/* ============================================================
   FitForge AI Planner — Complete Design System v2
   ============================================================ */

/* ──────────────────────────────────────────
   1. TOKENS & RESET
   ────────────────────────────────────────── */
:root {
  --primary: #10B981;
  --primary-dark: #059669;
  --primary-light: #34D399;
  --secondary: #6366F1;
  --secondary-dark: #4F46E5;
  --accent: #F97316;
  --accent-red: #EF4444;
  --accent-blue: #3B82F6;
  --accent-yellow: #F59E0B;

  --gradient-primary: linear-gradient(135deg, #10B981 0%, #6366F1 100%);
  --gradient-hero: linear-gradient(160deg, #0f172a 0%, #1e293b 50%, #0f2918 100%);

  --bg: #F8FAFC;
  --bg-section: #FFFFFF;
  --bg-alt: #F1F5F9;
  --bg-card: #FFFFFF;

  --text-primary: #0F172A;
  --text-secondary: #374151;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;

  --border: #E5E7EB;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 16px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.14), 0 8px 24px rgba(0,0,0,0.08);
  --shadow-primary: 0 8px 32px rgba(16,185,129,0.28);

  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  --container: 1200px;
  --section-gap: 100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--text-primary); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-gap) 0; }
.hidden { display: none !important; }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ──────────────────────────────────────────
   2. TYPOGRAPHY
   ────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 60px; }

.section-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px;
  background: rgba(16,185,129,0.1);
  color: var(--primary-dark);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--radius-pill);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title { font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 700; line-height: 1.2; color: var(--text-primary); margin-bottom: 16px; }
.section-sub { max-width: 560px; margin: 0 auto; color: var(--text-muted); font-size: 1.05rem; line-height: 1.7; }

/* ──────────────────────────────────────────
   3. BUTTONS
   ────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: var(--gradient-primary); color: #fff;
  border-radius: var(--radius-pill); font-weight: 600; font-size: 0.95rem;
  transition: var(--transition); box-shadow: var(--shadow-primary);
  position: relative; overflow: hidden;
}
.btn-primary::before { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0); transition: var(--transition); }
.btn-primary:hover::before { background: rgba(255,255,255,0.1); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 40px rgba(16,185,129,0.36); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border: 1.5px solid rgba(255,255,255,0.25); color: rgba(255,255,255,0.9);
  border-radius: var(--radius-pill); font-weight: 500; font-size: 0.95rem;
  transition: var(--transition); backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }

/* ──────────────────────────────────────────
   4. NAVBAR
   ────────────────────────────────────────── */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 0; transition: background var(--transition-slow), box-shadow var(--transition-slow); }
.navbar.scrolled { background: rgba(15,23,42,0.88); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: 0 2px 24px rgba(0,0,0,0.3); }
.nav-container { max-width: var(--container); margin: 0 auto; padding: 18px 24px; display: flex; align-items: center; gap: 32px; }

.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: #fff; flex-shrink: 0; }
.nav-logo-icon { width: 32px; height: 32px; background: var(--gradient-primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; padding: 5px; color: #fff; }
.nav-logo-icon svg { width: 100%; height: 100%; }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-link { padding: 8px 14px; color: rgba(255,255,255,0.75); font-size: 0.875rem; font-weight: 500; border-radius: var(--radius-sm); transition: var(--transition); }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }

.btn-nav-cta { padding: 10px 22px; background: var(--gradient-primary); color: #fff; border-radius: var(--radius-pill); font-size: 0.875rem; font-weight: 600; transition: var(--transition); box-shadow: 0 4px 16px rgba(16,185,129,0.3); flex-shrink: 0; }
.btn-nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(16,185,129,0.4); }

.nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.nav-hamburger span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); display: block; }

.mobile-menu { position: fixed; top: 0; right: -100%; bottom: 0; width: min(320px, 100vw); background: rgba(15,23,42,0.97); backdrop-filter: blur(20px); z-index: 999; padding: 80px 32px 40px; transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; gap: 0; }
.mobile-menu.open { right: 0; }
.mobile-link { display: block; padding: 16px 0; color: rgba(255,255,255,0.8); font-size: 1.1rem; font-weight: 500; border-bottom: 1px solid rgba(255,255,255,0.08); transition: var(--transition); }
.mobile-link:hover { color: var(--primary-light); padding-left: 8px; }
.mobile-cta { margin-top: 24px; text-align: center; }

/* ──────────────────────────────────────────
   5. HERO
   ────────────────────────────────────────── */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(160deg, rgba(15,23,42,0.78) 0%, rgba(30,41,59,0.68) 50%, rgba(15,41,24,0.82) 100%),
    url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1920&h=1080&fit=crop&q=80') center / cover no-repeat;
}
.hero-bg::before { content: ''; position: absolute; top: -20%; right: -15%; width: 60%; height: 80%; background: radial-gradient(ellipse, rgba(16,185,129,0.18) 0%, transparent 70%); animation: pulse 8s ease-in-out infinite alternate; }
.hero-bg::after { content: ''; position: absolute; bottom: 0; left: -10%; width: 50%; height: 60%; background: radial-gradient(ellipse, rgba(99,102,241,0.14) 0%, transparent 70%); animation: pulse 10s ease-in-out infinite alternate-reverse; }

.hero-content { position: relative; z-index: 1; padding: 140px 24px 80px; text-align: center; width: 100%; }

.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); border-radius: var(--radius-pill); color: var(--primary-light); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 28px; }

.hero-headline { font-family: var(--font-heading); font-size: clamp(2.8rem, 7vw, 5.5rem); font-weight: 800; line-height: 1.1; color: #fff; margin-bottom: 24px; letter-spacing: -0.02em; }
.hero-sub { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.65); max-width: 600px; margin: 0 auto 40px; line-height: 1.75; }

.hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 64px; flex-wrap: wrap; }
.hero-cta { padding: 17px 36px; font-size: 1rem; }

.hero-stats { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.hero-stat { padding: 0 40px; text-align: center; }
.hero-stat-number { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; color: #fff; line-height: 1; }
.hero-stat-number::after { content: '+'; font-size: 1.4rem; }
.hero-stat:last-child .hero-stat-number::after { content: '%'; }
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.hero-stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,0.15); }

.hero-scroll-indicator { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); animation: float 2.5s ease-in-out infinite; }
.scroll-mouse { width: 24px; height: 38px; border: 2px solid rgba(255,255,255,0.35); border-radius: 12px; display: flex; justify-content: center; padding-top: 6px; }
.scroll-wheel { width: 3px; height: 8px; background: rgba(255,255,255,0.5); border-radius: 3px; animation: scroll-wheel 2s ease-in-out infinite; }

/* ──────────────────────────────────────────
   6. FEATURES
   ────────────────────────────────────────── */
.features { background: var(--bg-section); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.feature-card { padding: 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); transition: var(--transition-slow); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-primary); opacity: 0; transition: var(--transition); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-card:hover::before { opacity: 1; }

.feature-icon-wrap { width: 56px; height: 56px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--icon-color, var(--primary)); transition: var(--transition); }
.feature-card:hover .feature-icon-wrap { transform: scale(1.05); }
.feature-card h3 { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }

/* ──────────────────────────────────────────
   7. PLANNER
   ────────────────────────────────────────── */
.planner-section { background: var(--bg-alt); }
.planner-wrapper { max-width: 720px; margin: 0 auto; background: #fff; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); overflow: hidden; }

.planner-progress { padding: 28px 40px 0; display: flex; align-items: center; gap: 16px; }
.progress-track { flex: 1; height: 6px; background: #E5E7EB; border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--gradient-primary); border-radius: 3px; width: 8.33%; transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.step-counter { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); white-space: nowrap; }

.step-dots { display: flex; gap: 8px; padding: 16px 40px 0; justify-content: center; flex-wrap: wrap; }
.step-dot { width: 8px; height: 8px; border-radius: 50%; background: #E5E7EB; transition: var(--transition); }
.step-dot.active { background: var(--gradient-primary); transform: scale(1.25); }
.step-dot.completed { background: var(--primary); }

.steps-container { padding: 0 40px 40px; }

.planner-step { display: none; animation: stepIn 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.planner-step.active { display: block; }
.planner-step.exiting { animation: stepOut 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.planner-step.entering-back { animation: stepInBack 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.planner-step.exiting-back { animation: stepOutBack 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards; }

.step-welcome-banner { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(16,185,129,0.1); border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 20px; margin-top: 32px; }

.step-title { font-family: var(--font-heading); font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; line-height: 1.25; color: var(--text-primary); margin-bottom: 10px; margin-top: 32px; }
.step-welcome-banner + .step-title { margin-top: 8px; }
.step-sub { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.65; }

/* ── Option Cards ── */
.option-grid { display: grid; gap: 12px; }
.option-grid-2 { grid-template-columns: repeat(2, 1fr); }
.option-grid-3 { grid-template-columns: repeat(3, 1fr); }
.option-grid-goals { grid-template-columns: repeat(3, 1fr); }
.option-grid-activity { grid-template-columns: 1fr; }
.option-grid.tight { gap: 8px; }

.option-card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 20px 16px; background: var(--bg-alt); border: 2px solid var(--border); border-radius: var(--radius); cursor: pointer; transition: var(--transition); position: relative; }
.option-card:hover { border-color: var(--primary); background: rgba(16,185,129,0.04); transform: translateY(-1px); }
.option-card.selected, .option-card[aria-checked="true"] { border-color: var(--primary); background: rgba(16,185,129,0.08); box-shadow: 0 0 0 4px rgba(16,185,129,0.12); }
.option-card.selected::after { content: '✓'; position: absolute; top: -8px; right: -8px; width: 20px; height: 20px; background: var(--primary); color: #fff; border-radius: 50%; font-size: 0.65rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }

.option-icon { font-size: 1.8rem; margin-bottom: 8px; line-height: 1; }
.option-icon.sm { font-size: 1.3rem; }
.option-label { font-weight: 700; font-size: 0.9rem; color: var(--text-primary); font-family: var(--font-heading); }
.option-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 3px; line-height: 1.4; }

.activity-card { flex-direction: row; align-items: center; text-align: left; gap: 14px; padding: 16px 18px; }
.activity-card .option-icon { margin-bottom: 0; flex-shrink: 0; font-size: 1.4rem; }
.activity-multiplier { margin-left: auto; font-size: 0.8rem; font-weight: 700; color: var(--primary); background: rgba(16,185,129,0.1); padding: 3px 10px; border-radius: var(--radius-pill); flex-shrink: 0; }

.small-card { padding: 16px 12px; }
.micro-card { padding: 12px 8px; }

/* ── Nav buttons ── */
.step-nav { display: flex; align-items: center; justify-content: space-between; margin-top: 32px; gap: 12px; }

.btn-next, .btn-back, .btn-generate { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius-pill); font-weight: 600; font-size: 0.95rem; transition: var(--transition); }
.btn-next { background: var(--gradient-primary); color: #fff; box-shadow: var(--shadow-primary); margin-left: auto; }
.btn-next:hover { transform: translateY(-1px); box-shadow: 0 12px 36px rgba(16,185,129,0.36); }
.btn-back { color: var(--text-muted); border: 1.5px solid var(--border); }
.btn-back:hover { color: var(--text-primary); border-color: #9CA3AF; }
.btn-generate { background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%); color: #fff; box-shadow: 0 8px 28px rgba(99,102,241,0.3); padding: 16px 36px; font-size: 1rem; margin-left: auto; }
.btn-generate:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(99,102,241,0.4); }

/* ── Inputs ── */
.input-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; }
.optional-tag { font-size: 0.75rem; font-weight: 400; color: var(--text-muted); text-transform: none; letter-spacing: 0; }
.input-field-wrap { margin-bottom: 8px; }
.text-input { width: 100%; padding: 14px 18px; border: 2px solid var(--border); border-radius: var(--radius); font-size: 1rem; color: var(--text-primary); background: var(--bg-alt); transition: var(--transition); }
.text-input:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(16,185,129,0.1); }
.text-input::placeholder { color: var(--text-light); }

.input-group-single { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 24px 0; }
.number-input-wrap { display: flex; align-items: center; gap: 0; border: 2px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg-alt); }
.number-input-wrap.flex-grow { flex: 1; }
.num-btn { width: 48px; height: 52px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: var(--text-muted); transition: var(--transition); background: none; flex-shrink: 0; }
.num-btn:hover { background: rgba(16,185,129,0.1); color: var(--primary); }
.number-input { width: 90px; height: 52px; text-align: center; font-size: 1.5rem; font-weight: 700; font-family: var(--font-heading); border: none; background: none; color: var(--text-primary); -moz-appearance: textfield; }
.number-input::-webkit-outer-spin-button, .number-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.number-input:focus { outline: none; }
.input-unit { font-size: 0.875rem; color: var(--text-muted); font-weight: 500; }

.range-slider { width: 100%; max-width: 320px; -webkit-appearance: none; height: 6px; border-radius: 3px; background: linear-gradient(to right, var(--primary) calc(var(--slider-progress, 50%)), #E5E7EB calc(var(--slider-progress, 50%))); outline: none; cursor: pointer; }
.range-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--primary); cursor: pointer; box-shadow: 0 2px 8px rgba(16,185,129,0.4); border: 3px solid #fff; transition: var(--transition); }
.range-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.range-slider::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--primary); cursor: pointer; border: 3px solid #fff; box-shadow: 0 2px 8px rgba(16,185,129,0.4); }

.unit-toggle { display: flex; border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.unit-toggle.small .unit-btn { padding: 5px 12px; font-size: 0.8rem; }
.unit-btn { padding: 8px 16px; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); background: none; }
.unit-btn.active { background: var(--gradient-primary); color: #fff; }

.split-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.split-input-group { display: flex; flex-direction: column; gap: 12px; }
.split-header { display: flex; align-items: center; justify-content: space-between; }
.split-header .input-label { margin-bottom: 0; }

.target-weight-section { margin-bottom: 8px; }
.target-weight-row { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.skip-link { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; text-decoration: underline; cursor: pointer; display: block; background: none; border: none; padding: 4px 0; }
.skip-link:hover { color: var(--primary); }

.timeline-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.timeline-pill { padding: 10px 20px; border: 2px solid var(--border); border-radius: var(--radius-pill); font-size: 0.875rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); background: none; }
.timeline-pill:hover { border-color: var(--primary); color: var(--primary); }
.timeline-pill.selected, .timeline-pill[aria-checked="true"] { border-color: var(--primary); background: rgba(16,185,129,0.1); color: var(--primary-dark); }

.equipment-subsection { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); animation: stepIn 0.3s cubic-bezier(0.4,0,0.2,1); }
.check-group { display: flex; flex-direction: column; gap: 8px; }
.check-item { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border: 2px solid var(--border); border-radius: var(--radius); cursor: pointer; transition: var(--transition); background: var(--bg-alt); }
.check-item:hover { border-color: var(--primary); background: rgba(16,185,129,0.04); }
.check-item:has(input:checked) { border-color: var(--primary); background: rgba(16,185,129,0.08); }
.check-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; }
.check-icon { font-size: 1.2rem; }
.check-label { font-size: 0.9rem; font-weight: 500; color: var(--text-primary); }

.schedule-section {}
.days-display { text-align: center; margin: 12px 0 16px; }
.days-count { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.days-label { font-size: 0.875rem; color: var(--text-muted); margin-left: 6px; }
.days-buttons { display: flex; gap: 8px; justify-content: center; }
.day-pill { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--border); font-weight: 700; font-size: 0.95rem; color: var(--text-muted); transition: var(--transition); background: none; }
.day-pill:hover { border-color: var(--primary); color: var(--primary); }
.day-pill.active { background: var(--gradient-primary); border-color: transparent; color: #fff; box-shadow: var(--shadow-primary); }
.days-hint { text-align: center; margin-top: 10px; font-size: 0.8rem; color: var(--primary-dark); font-weight: 600; }

.duration-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.duration-card { display: flex; flex-direction: column; align-items: center; padding: 16px 8px; background: var(--bg-alt); border: 2px solid var(--border); border-radius: var(--radius); transition: var(--transition); cursor: pointer; }
.duration-card:hover { border-color: var(--primary); background: rgba(16,185,129,0.04); }
.duration-card.selected, .duration-card[aria-checked="true"] { border-color: var(--primary); background: rgba(16,185,129,0.08); }
.duration-time { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }
.duration-unit { font-size: 0.7rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; }
.duration-desc { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; text-align: center; }

.meals-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.meal-pill { width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--border); font-weight: 700; font-size: 1.1rem; color: var(--text-muted); transition: var(--transition); background: none; }
.meal-pill:hover { border-color: var(--primary); color: var(--primary); }
.meal-pill.active { background: var(--gradient-primary); border-color: transparent; color: #fff; }
.pill-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 8px; font-style: italic; }

.lifestyle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.lifestyle-card { padding: 20px; background: var(--bg-alt); border-radius: var(--radius); border: 1px solid var(--border); }
.lifestyle-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; font-size: 1.2rem; }
.lifestyle-value { font-weight: 700; color: var(--primary); background: rgba(16,185,129,0.1); padding: 2px 8px; border-radius: var(--radius-pill); font-size: 0.8rem; margin-left: 4px; }
.slider-labels { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--text-muted); margin-top: 6px; }

/* ──────────────────────────────────────────
   8. RESULTS
   ────────────────────────────────────────── */
.results-section { background: var(--bg-alt); }

.results-summary-card { background: linear-gradient(135deg, #0F172A 0%, #1E3A2F 100%); border-radius: var(--radius-xl); padding: 40px; margin-bottom: 40px; position: relative; overflow: hidden; color: #fff; }
.results-summary-card::before { content: ''; position: absolute; top: -40%; right: -10%; width: 350px; height: 350px; background: radial-gradient(ellipse, rgba(16,185,129,0.2), transparent 70%); pointer-events: none; }
.results-summary-inner { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.results-greeting { flex: 1; min-width: 280px; }
.results-greeting-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(16,185,129,0.2); border: 1px solid rgba(16,185,129,0.3); color: var(--primary-light); padding: 5px 14px; border-radius: var(--radius-pill); font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.results-name { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.results-goal-label { font-size: 0.95rem; color: rgba(255,255,255,0.65); }
.results-stats-mini { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-start; }
.results-stat-mini { text-align: center; padding: 16px 20px; background: rgba(255,255,255,0.06); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.1); min-width: 90px; }
.rsm-value { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--primary-light); }
.rsm-label { font-size: 0.7rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }

.results-tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 40px; overflow-x: auto; scrollbar-width: none; }
.results-tabs::-webkit-scrollbar { display: none; }
.result-tab { display: flex; align-items: center; gap: 8px; padding: 16px 24px; font-size: 0.9rem; font-weight: 600; color: var(--text-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; transition: var(--transition); white-space: nowrap; }
.result-tab:hover { color: var(--text-primary); }
.result-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.results-tab-content { animation: stepIn 0.35s cubic-bezier(0.4,0,0.2,1); }

.results-section-title { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; color: var(--text-primary); margin: 32px 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--border); display: flex; align-items: center; gap: 10px; }
.results-section-title:first-child { margin-top: 0; }

.results-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.result-stat-card { background: #fff; border-radius: var(--radius-lg); padding: 24px; border: 1px solid var(--border); text-align: center; position: relative; overflow: hidden; }
.result-stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--card-color, var(--gradient-primary)); }
.rsc-icon { font-size: 1.6rem; margin-bottom: 8px; }
.rsc-value { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.rsc-unit { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.rsc-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.04em; }

.macros-section { background: #fff; border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); margin-bottom: 24px; }
.macros-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; margin-bottom: 24px; }
.macros-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.macro-ring-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.macro-ring-svg { width: 100px; height: 100px; }
.macro-ring-bg { fill: none; stroke: #F3F4F6; stroke-width: 8; }
.macro-ring-fill { fill: none; stroke-width: 8; stroke-linecap: round; transform: rotate(-90deg); transform-origin: center; stroke-dasharray: 245; stroke-dashoffset: 245; transition: stroke-dashoffset 1.2s cubic-bezier(0.4,0,0.2,1) 0.5s; }
.macro-ring-text { text-anchor: middle; dominant-baseline: middle; }
.macro-ring-value { font-size: 16px; font-weight: 800; fill: #0F172A; }
.macro-ring-unit-text { font-size: 8px; fill: #6B7280; }
.macro-ring-label { font-weight: 700; font-size: 0.9rem; color: var(--text-primary); }
.macro-ring-cal { font-size: 0.78rem; color: var(--text-muted); }

.results-bmi-card { background: #fff; border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); margin-bottom: 24px; }
.bmi-split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.bmi-number-big { font-family: var(--font-heading); font-size: 4rem; font-weight: 900; line-height: 1; }
.bmi-category-label { font-size: 1rem; font-weight: 600; margin-top: 8px; }
.bmi-description { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; margin-top: 8px; }

.readiness-card { background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%); border-radius: var(--radius-lg); padding: 28px 32px; color: #fff; display: flex; align-items: center; gap: 24px; margin-bottom: 24px; flex-wrap: wrap; }
.readiness-score-wrap { display: flex; align-items: baseline; gap: 4px; flex-shrink: 0; }
.readiness-score { font-family: var(--font-heading); font-size: 3.5rem; font-weight: 900; line-height: 1; }
.readiness-denom { font-size: 1.5rem; opacity: 0.5; font-weight: 300; }
.readiness-text h4 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.readiness-text p { font-size: 0.85rem; opacity: 0.75; line-height: 1.5; }
.readiness-stars { display: flex; gap: 4px; margin-top: 8px; }
.readiness-star { font-size: 1rem; opacity: 0.3; }
.readiness-star.filled { opacity: 1; }

.workout-schedule { display: flex; flex-direction: column; gap: 12px; }
.workout-day-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.workout-day-header { display: flex; align-items: center; gap: 16px; padding: 16px 20px; cursor: pointer; transition: var(--transition); background: var(--bg-alt); user-select: none; }
.workout-day-header:hover { background: rgba(16,185,129,0.05); }
.workout-day-label { font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem; }
.workout-day-type { font-size: 0.8rem; color: var(--text-muted); margin-left: auto; }
.workout-day-badge { padding: 3px 12px; border-radius: var(--radius-pill); font-size: 0.75rem; font-weight: 700; background: rgba(16,185,129,0.1); color: var(--primary-dark); }
.workout-day-body { display: none; }
.workout-day-body.open { display: block; }
.exercise-list-item { display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-top: 1px solid var(--border); font-size: 0.875rem; color: var(--text-secondary); }
.eli-name { font-weight: 600; color: var(--text-primary); flex: 1; }
.eli-sets { color: var(--primary); font-weight: 700; font-size: 0.8rem; background: rgba(16,185,129,0.1); padding: 2px 10px; border-radius: var(--radius-pill); white-space: nowrap; }
.eli-note { font-size: 0.75rem; color: var(--accent); font-weight: 600; background: rgba(249,115,22,0.1); padding: 2px 8px; border-radius: var(--radius-pill); }

.recs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.rec-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.rec-card-icon { font-size: 1.4rem; margin-bottom: 8px; }
.rec-card h5 { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; margin-bottom: 6px; }
.rec-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }

.meals-plan { display: flex; flex-direction: column; gap: 16px; }
.meal-plan-card { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); overflow: hidden; }
.mpc-header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.mpc-icon { font-size: 1.3rem; }
.mpc-title { font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem; }
.mpc-cals { margin-left: auto; font-size: 0.8rem; font-weight: 700; color: var(--primary); background: rgba(16,185,129,0.1); padding: 3px 10px; border-radius: var(--radius-pill); }
.mpc-body { padding: 16px 20px; }
.mpc-name { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); margin-bottom: 4px; }
.mpc-desc { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 12px; line-height: 1.5; }
.mpc-macros { display: flex; gap: 16px; flex-wrap: wrap; }
.mpc-macro { display: flex; gap: 4px; align-items: center; font-size: 0.78rem; color: var(--text-muted); }
.mpc-macro strong { font-weight: 700; color: var(--text-primary); }

.water-card { background: linear-gradient(135deg, #0EA5E9, #0284C7); border-radius: var(--radius-lg); padding: 28px; color: #fff; display: flex; align-items: center; gap: 24px; margin-bottom: 24px; flex-wrap: wrap; }
.water-amount { font-family: var(--font-heading); font-size: 3rem; font-weight: 900; line-height: 1; }
.water-unit-label { font-size: 1.2rem; opacity: 0.7; font-weight: 400; }
.water-desc { font-size: 0.9rem; opacity: 0.85; line-height: 1.5; }
.water-glasses { display: flex; gap: 4px; margin-top: 8px; flex-wrap: wrap; }
.water-glass { font-size: 1rem; opacity: 0.35; }
.water-glass.filled { opacity: 1; }

.roadmap-timeline { position: relative; padding-left: 40px; }
.roadmap-timeline::before { content: ''; position: absolute; left: 16px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary), var(--secondary)); }
.roadmap-milestone { position: relative; margin-bottom: 24px; padding: 20px 24px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); transition: var(--transition); }
.roadmap-milestone:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.roadmap-milestone::before { content: ''; position: absolute; left: -32px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; border-radius: 50%; background: var(--primary); border: 3px solid #fff; box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }
.milestone-date { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.milestone-title { font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem; color: var(--text-primary); margin-bottom: 4px; }
.milestone-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }
.milestone-badge { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; }

.progress-bar-wrap { margin-bottom: 16px; }
.progress-bar-label { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; }
.progress-bar-track { height: 8px; background: #F3F4F6; border-radius: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 4px; background: var(--gradient-primary); transition: width 1.5s cubic-bezier(0.4,0,0.2,1) 0.5s; }

.results-footer-actions { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 48px; flex-wrap: wrap; }
.btn-restart { padding: 14px 28px; border: 2px solid var(--border); border-radius: var(--radius-pill); font-weight: 600; color: var(--text-muted); transition: var(--transition); }
.btn-restart:hover { border-color: var(--text-muted); color: var(--text-primary); }
.btn-print { gap: 8px; }

/* ──────────────────────────────────────────
   9. EXERCISE LIBRARY
   ────────────────────────────────────────── */
.exercises-section { background: #fff; }
.filter-bar { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; justify-content: center; }
.filter-btn { padding: 9px 20px; border: 2px solid var(--border); border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); background: none; }
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--gradient-primary); border-color: transparent; color: #fff; box-shadow: var(--shadow-primary); }

.exercise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.exercise-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; transition: var(--transition-slow); }
.exercise-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.exercise-card-img-wrap { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.exercise-card-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }
.exercise-card:hover .exercise-card-img { transform: scale(1.06); }
.exercise-card-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.7)); opacity: 0; transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.exercise-card:hover .exercise-card-overlay { opacity: 1; }
.exercise-play-btn { width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,0.95); display: flex; align-items: center; justify-content: center; color: var(--primary); }
.exercise-card-body { padding: 16px; }
.exercise-card-muscle { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--primary); margin-bottom: 4px; }
.exercise-card-name { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.exercise-card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.exercise-tag { padding: 2px 9px; border-radius: var(--radius-pill); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; }
.tag-easy { background: rgba(16,185,129,0.1); color: var(--primary-dark); }
.tag-medium { background: rgba(245,158,11,0.1); color: #B45309; }
.tag-hard { background: rgba(239,68,68,0.1); color: #B91C1C; }

/* ──────────────────────────────────────────
   10. MODAL
   ────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(6px); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 20px; animation: fadeIn 0.2s ease; }
.modal-overlay.hidden { display: none; }
.modal-container { background: #fff; border-radius: var(--radius-xl); width: 100%; max-width: 760px; max-height: 90vh; overflow-y: auto; position: relative; animation: modalSlideIn 0.3s cubic-bezier(0.4,0,0.2,1); }
.modal-close { position: absolute; top: 16px; right: 16px; z-index: 10; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.95); box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: var(--transition); }
.modal-close:hover { color: var(--accent-red); transform: rotate(90deg); }
.modal-video-wrap { aspect-ratio: 16/9; background: #000; border-radius: var(--radius-xl) var(--radius-xl) 0 0; overflow: hidden; }
.modal-video { width: 100%; height: 100%; border: none; }
.modal-body { padding: 28px 32px; }
.modal-badges { display: flex; gap: 8px; margin-bottom: 12px; }
.modal-badge { padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; background: rgba(16,185,129,0.1); color: var(--primary-dark); }
.modal-badge.difficulty { background: rgba(99,102,241,0.1); color: var(--secondary-dark); }
.modal-title { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; margin-bottom: 8px; }
.modal-desc { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 24px; line-height: 1.65; }
.modal-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.modal-section h4 { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 12px; }
.modal-list { counter-reset: item; display: flex; flex-direction: column; gap: 8px; }
.modal-list li { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.55; padding-left: 20px; position: relative; }
.modal-list li::before { content: counter(item); counter-increment: item; position: absolute; left: 0; font-weight: 700; color: var(--primary); font-size: 0.75rem; top: 2px; }
.tips-list li::before { content: '→'; font-size: 0.8rem; top: 1px; }

/* ──────────────────────────────────────────
   11. NUTRITION LIBRARY
   ────────────────────────────────────────── */
.nutrition-section { background: var(--bg-alt); }
.nutrition-filter-bar { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; justify-content: center; }
.nutrition-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.food-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition-slow); }
.food-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.food-card-img-wrap { aspect-ratio: 4/3; overflow: hidden; }
.food-card-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.food-card:hover .food-card-img { transform: scale(1.05); }
.food-card-body { padding: 16px; }
.food-card-category { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--secondary); margin-bottom: 4px; }
.food-card-name { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; margin-bottom: 2px; }
.food-card-serving { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 14px; }
.food-macros { display: flex; flex-direction: column; gap: 6px; }
.food-macro-row { display: flex; align-items: center; gap: 8px; }
.food-macro-label { font-size: 0.72rem; font-weight: 700; color: var(--text-muted); width: 52px; flex-shrink: 0; }
.food-macro-bar-wrap { flex: 1; height: 5px; background: #F3F4F6; border-radius: 3px; overflow: hidden; }
.food-macro-bar { height: 100%; border-radius: 3px; transition: width 1s ease 0.3s; }
.food-macro-val { font-size: 0.72rem; font-weight: 700; width: 28px; text-align: right; flex-shrink: 0; }
.bar-protein { background: #10B981; } .bar-carbs { background: #6366F1; } .bar-fat { background: #F97316; }
.food-macro-val.protein { color: #059669; } .food-macro-val.carbs { color: #4F46E5; } .food-macro-val.fat { color: #EA580C; }
.food-calories-row { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.food-calories { font-family: var(--font-heading); font-size: 1rem; font-weight: 800; color: var(--text-primary); }
.food-cal-label { font-size: 0.72rem; color: var(--text-muted); }

/* ──────────────────────────────────────────
   12. BMI CALCULATOR
   ────────────────────────────────────────── */
.bmi-section { background: #fff; }
.bmi-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: 900px; margin: 0 auto; }
.bmi-inputs { display: flex; flex-direction: column; gap: 20px; }
.bmi-input-group label { display: block; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); margin-bottom: 8px; }
.bmi-unit-row { display: flex; gap: 12px; align-items: center; }
.bmi-input { flex: 1; padding: 14px 18px; border: 2px solid var(--border); border-radius: var(--radius); font-size: 1.1rem; font-weight: 600; color: var(--text-primary); background: var(--bg-alt); transition: var(--transition); }
.bmi-input:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(16,185,129,0.1); }
.bmi-calculate-btn { padding: 16px; font-size: 1rem; justify-content: center; }
.bmi-result { text-align: center; }
.bmi-gauge-wrap { display: flex; justify-content: center; margin-bottom: 16px; }
.bmi-gauge { width: 200px; height: 120px; }
.bmi-category { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; margin-bottom: 16px; }
.bmi-scale { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.bmi-scale-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 14px; border-radius: var(--radius-sm); font-size: 0.82rem; font-weight: 600; }
.bmi-note { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ──────────────────────────────────────────
   13. TIPS
   ────────────────────────────────────────── */
.tips-section { background: var(--bg-alt); }
.tips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tip-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: var(--transition-slow); position: relative; overflow: hidden; }
.tip-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.tip-card-emoji { font-size: 2rem; margin-bottom: 14px; display: block; }
.tip-card h3 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.tip-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }
.tip-card-num { position: absolute; top: 16px; right: 18px; font-family: var(--font-heading); font-size: 3rem; font-weight: 900; color: rgba(0,0,0,0.04); line-height: 1; }

/* ──────────────────────────────────────────
   14. FAQ
   ────────────────────────────────────────── */
.faq-section { background: #fff; }
.faq-grid { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1.5px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item.open { border-color: rgba(16,185,129,0.3); box-shadow: 0 4px 20px rgba(16,185,129,0.08); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; font-weight: 600; font-size: 0.95rem; color: var(--text-primary); transition: var(--transition); user-select: none; background: none; width: 100%; text-align: left; }
.faq-question:hover { background: rgba(16,185,129,0.03); }
.faq-chevron { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; transition: transform 0.3s ease, background 0.2s ease; color: var(--text-muted); }
.faq-item.open .faq-chevron { transform: rotate(180deg); background: rgba(16,185,129,0.12); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1); }
.faq-answer-inner { padding: 0 24px 20px; font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }
.faq-item.open .faq-answer { max-height: 500px; }

/* ──────────────────────────────────────────
   15. FOOTER
   ────────────────────────────────────────── */
.footer { background: #0A0F1E; }
.footer-top { padding: 70px 0 50px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 48px; }
.footer-logo { color: #fff; }
.footer-tagline { font-size: 0.875rem; color: rgba(255,255,255,0.45); line-height: 1.7; margin-top: 16px; margin-bottom: 24px; max-width: 240px; }
.footer-social { display: flex; gap: 10px; }
.social-link { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); transition: var(--transition); }
.social-link svg { width: 16px; height: 16px; }
.social-link:hover { background: var(--gradient-primary); border-color: transparent; color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.875rem; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-col ul a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-col > p { font-size: 0.875rem; color: rgba(255,255,255,0.45); margin-bottom: 14px; line-height: 1.6; }
.footer-newsletter { display: flex; border: 1.5px solid rgba(255,255,255,0.12); border-radius: var(--radius); overflow: hidden; }
.newsletter-input { flex: 1; padding: 12px 16px; background: rgba(255,255,255,0.05); border: none; color: #fff; font-size: 0.875rem; }
.newsletter-input::placeholder { color: rgba(255,255,255,0.3); }
.newsletter-input:focus { outline: none; }
.newsletter-btn { padding: 12px 18px; background: var(--gradient-primary); color: #fff; font-size: 1rem; font-weight: 700; transition: var(--transition); }
.newsletter-btn:hover { opacity: 0.9; }
.footer-bottom { padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.07); }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.8rem; color: rgba(255,255,255,0.3); transition: var(--transition); }
.footer-links a:hover { color: rgba(255,255,255,0.6); }

/* ──────────────────────────────────────────
   16. LOADING OVERLAY
   ────────────────────────────────────────── */
.loading-overlay { position: fixed; inset: 0; background: rgba(15,23,42,0.97); backdrop-filter: blur(8px); z-index: 3000; display: flex; align-items: center; justify-content: center; flex-direction: column; }
.loading-content { text-align: center; }
.loading-ring { position: relative; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 32px; }
.loading-ring svg { width: 96px; height: 96px; }
.loading-ring-path { animation: spin 1.4s linear infinite; }
.loading-logo { position: absolute; font-family: var(--font-heading); font-size: 1.2rem; font-weight: 900; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.loading-text { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 8px; min-height: 1.75em; }
.loading-sub { font-size: 0.875rem; color: rgba(255,255,255,0.5); margin-bottom: 32px; }
.loading-steps { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.loading-step { font-size: 0.875rem; color: rgba(255,255,255,0.25); font-weight: 500; transition: color 0.4s ease; display: flex; align-items: center; gap: 8px; }
.loading-step.active { color: var(--primary-light); }

/* ──────────────────────────────────────────
   17. SCROLL ANIMATIONS
   ────────────────────────────────────────── */
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1); }
.animate-on-scroll.animated { opacity: 1; transform: translateY(0); }
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-fade-up { animation: fadeUp 0.7s cubic-bezier(0.4,0,0.2,1) both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ──────────────────────────────────────────
   18. KEYFRAMES
   ────────────────────────────────────────── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes stepIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes stepOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(-24px); } }
@keyframes stepInBack { from { opacity: 0; transform: translateX(-24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes stepOutBack { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(24px); } }
@keyframes modalSlideIn { from { opacity: 0; transform: scale(0.95) translateY(16px); } to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse { from { transform: scale(1) translate(0,0); opacity: 0.6; } to { transform: scale(1.1) translate(2%, -2%); opacity: 1; } }
@keyframes float { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-8px); } }
@keyframes scroll-wheel { 0%,100% { opacity: 0; transform: translateY(0); } 50% { opacity: 1; transform: translateY(6px); } }

/* ──────────────────────────────────────────
   19. PRINT STYLES
   ────────────────────────────────────────── */
@media print {
  .navbar, .hero, .features, .exercises-section, .nutrition-section, .bmi-section, .tips-section, .faq-section, .footer, .results-footer-actions, .planner-section { display: none !important; }
  .results-section { display: block !important; padding: 0; }
  .results-tabs, .result-tab { display: none; }
  .results-tab-content { display: block !important; page-break-inside: avoid; }
  body { background: #fff; }
}

/* ──────────────────────────────────────────
   20. RESPONSIVE
   ────────────────────────────────────────── */
@media (max-width: 1100px) {
  .exercise-grid, .nutrition-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-col:last-child { grid-column: 1 / -1; }
  .results-stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  :root { --section-gap: 70px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .exercise-grid, .nutrition-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-grid { grid-template-columns: 1fr 1fr; }
  .nav-links, .btn-nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .modal-sections { grid-template-columns: 1fr; }
  .bmi-layout { grid-template-columns: 1fr; gap: 32px; }
  .split-inputs { grid-template-columns: 1fr; gap: 16px; }
  .results-summary-inner { flex-direction: column; }
  .recs-grid { grid-template-columns: 1fr; }
  .duration-grid { grid-template-columns: repeat(2, 1fr); }
  .lifestyle-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  :root { --section-gap: 52px; }
  .container { padding: 0 16px; }
  .planner-wrapper { border-radius: var(--radius-lg); }
  .steps-container { padding: 0 20px 28px; }
  .planner-progress { padding: 20px 20px 0; }
  .step-dots { padding: 12px 20px 0; gap: 5px; }
  .step-dot { width: 6px; height: 6px; }
  .step-title { font-size: 1.5rem; }
  .option-grid-3 { grid-template-columns: 1fr 1fr; }
  .option-grid-goals { grid-template-columns: 1fr 1fr; }
  .exercise-grid, .nutrition-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .results-stats-grid { grid-template-columns: 1fr 1fr; }
  .duration-grid { grid-template-columns: 1fr 1fr; }
  .days-buttons { gap: 5px; }
  .day-pill { width: 38px; height: 38px; font-size: 0.85rem; }
  .result-tab { padding: 12px 14px; font-size: 0.82rem; }
  .hero-headline { font-size: 2.4rem; }
  .modal-body { padding: 20px; }
}
@media (max-width: 400px) {
  .option-grid-3 { grid-template-columns: 1fr; }
  .option-grid-goals { grid-template-columns: 1fr; }
  .exercise-grid, .nutrition-grid { grid-template-columns: 1fr; }
}

.hide-mobile { display: inline; }
@media (max-width: 640px) { .hide-mobile { display: none; } }

/* ──────────────────────────────────────────
   21. GLASSMORPHISM HERO CARDS
   ────────────────────────────────────────── */
.hero-stat {
  position: relative;
  padding: 20px 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
}
.hero-stat:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.hero-stat-divider { display: none; }

/* ──────────────────────────────────────────
   22. ANIMATED RESULT COUNTERS
   ────────────────────────────────────────── */
.rsc-value { transition: color 0.3s ease; }
.rsc-value.counting { color: var(--primary); }

@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ──────────────────────────────────────────
   23. GOAL OVERVIEW CARD
   ────────────────────────────────────────── */
.goal-overview-card {
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.goal-overview-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 100%);
}
.goc-icon { font-size: 2.5rem; position: relative; z-index: 1; }
.goc-body { position: relative; z-index: 1; }
.goc-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; margin-bottom: 4px; }
.goc-desc { font-size: 0.875rem; opacity: 0.8; line-height: 1.55; }
.goc-rate { position: relative; z-index: 1; text-align: center; background: rgba(255,255,255,0.12); border-radius: var(--radius); padding: 14px 18px; min-width: 100px; }
.goc-rate-value { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 900; }
.goc-rate-label { font-size: 0.68rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }

/* ──────────────────────────────────────────
   24. SLEEP CARD
   ────────────────────────────────────────── */
.sleep-card {
  background: linear-gradient(135deg, #1E1B4B, #312E81);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  color: #fff;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  margin-bottom: 24px;
}
.sleep-icon { font-size: 2.5rem; }
.sleep-body h4 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.sleep-body p { font-size: 0.875rem; opacity: 0.8; line-height: 1.55; }
.sleep-bar-row { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.sleep-bar-wrap { flex: 1; height: 8px; background: rgba(255,255,255,0.15); border-radius: 4px; overflow: hidden; }
.sleep-bar-fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, #818CF8, #C7D2FE); transition: width 1.5s cubic-bezier(0.4,0,0.2,1) 0.5s; }
.sleep-hours { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; opacity: 0.9; white-space: nowrap; }

/* ──────────────────────────────────────────
   25. NUTRITION RECOMMENDATIONS
   ────────────────────────────────────────── */
.nutr-recs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.nutr-recs-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.nutr-recs-card h5 { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.nutr-recs-list { display: flex; flex-direction: column; gap: 7px; }
.nutr-recs-item { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-secondary); }
.nutr-recs-item::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.nutr-recs-item.avoid::before { background: var(--accent-red); }
.pre-post-card { background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%); border-radius: var(--radius-lg); padding: 24px; color: #fff; margin-bottom: 24px; }
.pre-post-card h5 { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 700; margin-bottom: 12px; color: var(--primary-light); }
.pre-post-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pre-post-item h6 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: rgba(255,255,255,0.5); margin-bottom: 6px; }
.pre-post-item p { font-size: 0.82rem; color: rgba(255,255,255,0.8); line-height: 1.5; }

/* ──────────────────────────────────────────
   26. ACTION PLAN
   ────────────────────────────────────────── */
.action-plan { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.action-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.action-item:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(16,185,129,0.08); }
.action-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.action-body h5 { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.action-body p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }
.action-priority { margin-left: auto; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 3px 10px; border-radius: var(--radius-pill); flex-shrink: 0; }
.priority-high { background: rgba(239,68,68,0.1); color: #B91C1C; }
.priority-medium { background: rgba(245,158,11,0.1); color: #B45309; }
.priority-low { background: rgba(16,185,129,0.1); color: var(--primary-dark); }

/* ──────────────────────────────────────────
   27. SUCCESS TIPS
   ────────────────────────────────────────── */
.success-tips-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 32px; }
.success-tip {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.success-tip:hover { border-color: rgba(99,102,241,0.3); box-shadow: 0 4px 16px rgba(99,102,241,0.06); }
.success-tip-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }
.success-tip-body h6 { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 3px; }
.success-tip-body p { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; }

/* ──────────────────────────────────────────
   28. MODAL IMPROVEMENTS (equipment + mistakes)
   ────────────────────────────────────────── */
.modal-badge.equipment-badge { background: rgba(249,115,22,0.1); color: #C2410C; }
.modal-mistakes-section { margin-top: 24px; padding: 20px; background: rgba(239,68,68,0.04); border: 1px solid rgba(239,68,68,0.15); border-radius: var(--radius); }
.modal-mistakes-section h4 { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700; color: #B91C1C; text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 12px; }
.modal-mistakes-list { counter-reset: mistake; display: flex; flex-direction: column; gap: 8px; }
.modal-mistakes-list li { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.55; padding-left: 20px; position: relative; }
.modal-mistakes-list li::before { content: '✗'; position: absolute; left: 0; color: var(--accent-red); font-weight: 700; font-size: 0.8rem; }

/* ──────────────────────────────────────────
   29. EXERCISE CARD EQUIPMENT BADGE
   ────────────────────────────────────────── */
.exercise-equip-tag {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(249,115,22,0.1);
  color: #C2410C;
}

/* ──────────────────────────────────────────
   30. FEATURE CARDS — GLASSMORPHISM GLOW
   ────────────────────────────────────────── */
.feature-card {
  background: linear-gradient(145deg, rgba(255,255,255,1) 0%, rgba(248,250,252,1) 100%);
}
.feature-card:hover { box-shadow: 0 12px 40px rgba(16,185,129,0.12), 0 4px 12px rgba(0,0,0,0.05); }
.feature-icon-wrap { background: linear-gradient(135deg, color-mix(in srgb, var(--icon-color) 15%, transparent), color-mix(in srgb, var(--icon-color) 8%, transparent)); }

/* ──────────────────────────────────────────
   31. GOAL COLOR THEMING
   ────────────────────────────────────────── */
.goal-fat-loss { background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%); }
.goal-muscle-gain { background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%); }
.goal-recomposition { background: linear-gradient(135deg, #10B981 0%, #059669 100%); }
.goal-strength { background: linear-gradient(135deg, #F97316 0%, #EA580C 100%); }
.goal-endurance { background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%); }
.goal-general { background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%); }

/* ──────────────────────────────────────────
   32. STAT CARD COUNTER ANIMATION
   ────────────────────────────────────────── */
.result-stat-card { transition: var(--transition-slow); }
.result-stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ──────────────────────────────────────────
   33. RESPONSIVE ADDITIONS
   ────────────────────────────────────────── */
@media (max-width: 900px) {
  .goal-overview-card { grid-template-columns: auto 1fr; }
  .goc-rate { display: none; }
  .nutr-recs-grid { grid-template-columns: 1fr; }
  .pre-post-grid { grid-template-columns: 1fr; }
  .success-tips-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .action-priority { display: none; }
  .sleep-card { grid-template-columns: 1fr; text-align: center; }
  .sleep-icon { font-size: 2rem; }
}