/* ============================================
   Snow Fox Academy - Landing Page & Auth Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #e8873c;
  --primary-dark: #d4722a;
  --accent: #f5c842;
  --bg-dark: #0f172a;
  --bg-mid: #1e293b;
  --bg-light: #334155;
  --text-white: #f8fafc;
  --text-muted: #94a3b8;
  --success: #22c55e;
  --radius: 16px;
  --radius-sm: 10px;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-white);
  overflow-x: hidden;
}

/* ============================================ NAV */
.landing-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,23,42,0.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.nav-logo { color: var(--text-white); text-decoration: none; font-weight: 900; font-size: 1.2rem; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-weight: 600; transition: color 0.2s; font-size: 0.9rem; }
.nav-links a:hover { color: var(--text-white); }
.nav-btn-login { border: 1px solid rgba(255,255,255,0.2); padding: 8px 20px !important; border-radius: var(--radius-sm); }
.nav-btn-signup { background: var(--primary) !important; color: var(--text-white) !important; padding: 8px 20px !important; border-radius: var(--radius-sm); }
.nav-hamburger { display: none; background: none; border: none; color: var(--text-white); font-size: 1.5rem; cursor: pointer; }

/* ============================================ HERO */
.hero {
  padding: 140px 24px 80px; max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-content { z-index: 1; }
.hero-badge { display: inline-block; background: rgba(232,135,60,0.15); color: var(--primary); padding: 6px 16px; border-radius: 20px; font-weight: 700; font-size: 0.85rem; margin-bottom: 16px; }
.hero h1 { font-size: 3.5rem; font-weight: 900; line-height: 1.15; margin-bottom: 16px; }
.hero-highlight { color: var(--primary); }
.hero-subtitle { color: var(--text-muted); font-size: 1.15rem; line-height: 1.6; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.btn-hero-primary {
  background: linear-gradient(135deg, var(--primary), #f59e0b);
  color: white; padding: 16px 36px; border-radius: var(--radius); font-weight: 800;
  text-decoration: none; font-size: 1.1rem; transition: all 0.3s; display: inline-block;
  box-shadow: 0 4px 15px rgba(232,135,60,0.4);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(232,135,60,0.5); }
.btn-hero-secondary {
  background: transparent; color: var(--text-white); padding: 16px 36px; border-radius: var(--radius);
  font-weight: 700; text-decoration: none; font-size: 1.05rem; border: 2px solid rgba(255,255,255,0.2);
  transition: all 0.2s;
}
.btn-hero-secondary:hover { border-color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.05); }
.hero-note { color: var(--text-muted); font-size: 0.85rem; }

.hero-stats { display: flex; gap: 24px; margin-top: 32px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.stat-num { display: block; font-size: 1.8rem; font-weight: 900; color: var(--primary); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }

.hero-visual { display: flex; justify-content: center; }
.hero-app-preview {
  background: var(--bg-mid); border-radius: 20px; border: 2px solid rgba(255,255,255,0.1);
  padding: 20px; width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: perspective(600px) rotateY(-5deg); transition: transform 0.3s;
}
.hero-app-preview:hover { transform: perspective(600px) rotateY(0deg); }
.preview-header { display: flex; justify-content: space-between; color: var(--text-muted); font-size: 0.8rem; margin-bottom: 16px; font-weight: 700; }
.preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.preview-card { padding: 20px 12px; border-radius: var(--radius-sm); color: white; font-weight: 800; font-size: 0.85rem; text-align: center; }

/* ============================================ SOCIAL PROOF */
.social-proof {
  background: var(--bg-mid); padding: 24px; text-align: center; border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.social-proof p { color: var(--text-muted); font-size: 0.9rem; font-weight: 600; margin-bottom: 8px; }
.proof-logos { display: flex; gap: 16px; justify-content: center; align-items: center; flex-wrap: wrap; }
.proof-logos > span:first-child { color: var(--text-muted); font-size: 0.8rem; }
.proof-badge { background: rgba(255,255,255,0.1); padding: 6px 16px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; }

/* ============================================ SECTIONS */
.section-container { max-width: 1100px; margin: 0 auto; padding: 80px 24px; }
.section-container h2 { font-size: 2.5rem; font-weight: 900; text-align: center; margin-bottom: 10px; }
.highlight { color: var(--primary); }
.section-subtitle { text-align: center; color: var(--text-muted); font-size: 1.05rem; margin-bottom: 40px; }

/* ============================================ FEATURES */
.features { background: var(--bg-dark); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-mid); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius);
  padding: 28px; transition: all 0.3s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(232,135,60,0.3); }
.feature-icon { font-size: 2.5rem; margin-bottom: 12px; }
.feature-card h3 { font-weight: 800; margin-bottom: 8px; font-size: 1.1rem; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.5; }

/* ============================================ SUBJECTS */
.subjects { background: var(--bg-mid); }
.subjects-showcase { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 40px; }
.subject-pill {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1);
  padding: 12px 24px; border-radius: 30px; font-weight: 700; font-size: 0.9rem;
}
.age-range { text-align: center; }
.age-range h3 { margin-bottom: 8px; }
.age-range > p { color: var(--text-muted); margin-bottom: 16px; }
.age-bars { max-width: 500px; margin: 0 auto; }
.age-bar { display: flex; justify-content: space-between; padding: 10px 16px; background: rgba(255,255,255,0.05); border-radius: var(--radius-sm); margin-bottom: 6px; }
.age-label { font-weight: 700; }
.age-level { color: var(--text-muted); font-size: 0.85rem; }

/* ============================================ HOW IT WORKS */
.how-it-works { background: var(--bg-dark); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.step { text-align: center; }
.step-num { width: 50px; height: 50px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1.3rem; margin: 0 auto 14px; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: 0.9rem; }

/* ============================================ PRICING */
.pricing { background: var(--bg-mid); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.price-card { background: var(--bg-dark); border: 2px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 32px 24px; text-align: center; transition: all 0.3s; }
.price-card.popular { border-color: var(--primary); transform: scale(1.05); box-shadow: 0 10px 40px rgba(232,135,60,0.2); }
.price-badge { display: inline-block; background: rgba(255,255,255,0.1); padding: 4px 14px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; margin-bottom: 12px; }
.price-card.popular .price-badge { background: var(--primary); }
.price-card h3 { font-size: 1.4rem; font-weight: 900; margin-bottom: 8px; }
.price-amount { font-size: 2.5rem; font-weight: 900; color: var(--text-white); }
.price-amount span { font-size: 1rem; color: var(--text-muted); font-weight: 600; }
.price-savings { color: var(--success); font-weight: 700; font-size: 0.85rem; margin-top: 4px; }
.price-features { list-style: none; text-align: left; margin: 20px 0; }
.price-features li { padding: 6px 0; color: var(--text-muted); font-size: 0.9rem; position: relative; padding-left: 24px; }
.price-features li::before { content: '✓'; position: absolute; left: 0; color: var(--success); font-weight: 900; }
.btn-price {
  display: block; width: 100%; padding: 14px; border-radius: var(--radius-sm); text-align: center;
  font-weight: 800; text-decoration: none; color: var(--text-white); border: 2px solid rgba(255,255,255,0.2);
  transition: all 0.2s; font-size: 0.95rem;
}
.btn-price:hover { border-color: var(--primary); }
.btn-price-primary { background: var(--primary); border-color: var(--primary); }
.btn-price-primary:hover { background: var(--primary-dark); }

/* ============================================ TESTIMONIALS */
.testimonials { background: var(--bg-dark); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial { background: var(--bg-mid); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius); padding: 24px; }
.testimonial-stars { margin-bottom: 12px; }
.testimonial p { color: var(--text-muted); line-height: 1.6; font-size: 0.9rem; font-style: italic; margin-bottom: 16px; }
.testimonial-name { display: block; font-weight: 800; color: var(--text-white); }
.testimonial-role { display: block; font-size: 0.8rem; color: var(--text-muted); }

/* ============================================ FINAL CTA */
.final-cta { background: linear-gradient(135deg, var(--bg-mid), var(--bg-dark)); padding: 80px 24px; text-align: center; }
.final-cta h2 { font-size: 2.2rem; margin-bottom: 12px; }
.final-cta p { color: var(--text-muted); margin-bottom: 24px; font-size: 1.05rem; }

/* ============================================ FOOTER */
.landing-footer { background: var(--bg-dark); border-top: 1px solid rgba(255,255,255,0.05); }
.footer-container { max-width: 1100px; margin: 0 auto; padding: 50px 24px 30px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand h3 { margin-bottom: 8px; }
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; }
.footer-links h4 { margin-bottom: 12px; font-size: 0.9rem; }
.footer-links a { display: block; color: var(--text-muted); text-decoration: none; font-size: 0.85rem; padding: 4px 0; transition: color 0.2s; }
.footer-links a:hover { color: var(--text-white); }
.footer-bottom { text-align: center; padding: 20px 24px; color: var(--text-muted); font-size: 0.8rem; border-top: 1px solid rgba(255,255,255,0.05); }

/* ============================================ AUTH PAGE */
.auth-page { display: flex; flex-direction: column; min-height: 100vh; }
.auth-container { flex: 1; display: flex; align-items: center; justify-content: center; padding: 100px 24px 40px; }
.auth-card { background: var(--bg-mid); border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; padding: 40px; max-width: 440px; width: 100%; }
.auth-fox { font-size: 3rem; text-align: center; margin-bottom: 12px; }
.auth-card h2 { text-align: center; font-weight: 900; margin-bottom: 4px; }
.auth-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 24px; }
.auth-field { margin-bottom: 16px; }
.auth-field label { display: block; font-weight: 700; margin-bottom: 4px; font-size: 0.85rem; }
.auth-field input { width: 100%; background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm); padding: 12px 16px; color: var(--text-white); font-size: 0.95rem; font-family: inherit; transition: border-color 0.2s; }
.auth-field input:focus { outline: none; border-color: var(--primary); }
.auth-remember { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; font-size: 0.85rem; }
.auth-remember a { color: var(--primary); text-decoration: none; }
.auth-remember label { color: var(--text-muted); cursor: pointer; }
.auth-terms { margin-bottom: 20px; font-size: 0.8rem; color: var(--text-muted); }
.auth-terms a { color: var(--primary); }
.auth-submit-btn {
  width: 100%; padding: 14px; background: linear-gradient(135deg, var(--primary), #f59e0b);
  border: none; border-radius: var(--radius-sm); color: white; font-weight: 800; font-size: 1rem;
  cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.auth-submit-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(232,135,60,0.4); }
.auth-divider { text-align: center; margin: 20px 0; color: var(--text-muted); font-size: 0.85rem; position: relative; }
.auth-divider::before, .auth-divider::after { content: ''; position: absolute; top: 50%; width: 40%; height: 1px; background: rgba(255,255,255,0.1); }
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }
.auth-social-btn {
  width: 100%; padding: 12px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm); color: var(--text-white); font-weight: 700; cursor: pointer;
  font-size: 0.95rem; transition: all 0.2s; font-family: inherit;
}
.auth-social-btn:hover { background: rgba(255,255,255,0.12); }
.auth-switch { text-align: center; margin-top: 20px; font-size: 0.85rem; color: var(--text-muted); }
.auth-switch a { color: var(--primary); text-decoration: none; font-weight: 700; }
.auth-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); border-radius: var(--radius-sm); padding: 12px; margin-top: 16px; color: #f87171; text-align: center; font-size: 0.9rem; }
.auth-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); border-radius: var(--radius-sm); padding: 12px; margin-top: 16px; color: #4ade80; text-align: center; font-size: 0.9rem; }
.signup-plan-badge { display: none; background: rgba(232,135,60,0.15); color: var(--primary); padding: 8px 16px; border-radius: var(--radius-sm); text-align: center; font-weight: 700; font-size: 0.85rem; margin-bottom: 16px; }

/* ============================================ ONBOARDING */
.onboarding-page { background: linear-gradient(180deg, var(--bg-dark), #1a2a4a, var(--bg-dark)); min-height: 100vh; }
.onboarding-container { max-width: 650px; margin: 0 auto; padding: 40px 24px; }

.onboarding-progress { height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; margin-bottom: 16px; overflow: hidden; }
.ob-progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 3px; transition: width 0.5s; }
.onboarding-steps-indicator { display: flex; justify-content: center; gap: 12px; margin-bottom: 32px; }
.ob-step { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem; color: var(--text-muted); transition: all 0.3s; }
.ob-step.active { background: var(--primary); color: white; transform: scale(1.15); }
.ob-step.completed { background: var(--success); color: white; }

.ob-step-content { display: none; text-align: center; }
.ob-step-content.active { display: block; animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.ob-fox-large { font-size: 5rem; margin-bottom: 16px; animation: petBounce 2s ease-in-out infinite; }
@keyframes petBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.ob-step-content h1 { font-size: 2rem; font-weight: 900; margin-bottom: 8px; }
.ob-step-content h2 { font-size: 1.6rem; font-weight: 900; margin-bottom: 8px; }
.ob-subtitle { color: var(--text-muted); font-size: 1rem; margin-bottom: 24px; }

.ob-features-preview { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 32px; }
.ob-feature { background: rgba(255,255,255,0.08); padding: 10px 18px; border-radius: 20px; font-weight: 700; font-size: 0.85rem; }

.ob-btn-primary {
  background: linear-gradient(135deg, var(--primary), #f59e0b); color: white; border: none;
  padding: 16px 40px; border-radius: var(--radius); font-weight: 800; font-size: 1.1rem;
  cursor: pointer; transition: all 0.3s; font-family: inherit;
}
.ob-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(232,135,60,0.4); }
.ob-btn-secondary { background: transparent; color: var(--text-muted); border: 2px solid rgba(255,255,255,0.15); padding: 14px 30px; border-radius: var(--radius); font-weight: 700; cursor: pointer; font-family: inherit; font-size: 0.95rem; }
.ob-btn-secondary:hover { border-color: rgba(255,255,255,0.3); }
.ob-nav-btns { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }

/* Onboarding Form */
.ob-form { text-align: left; max-width: 400px; margin: 0 auto 20px; }
.ob-form-compact { max-width: 100%; display: grid; grid-template-columns: 1fr 80px 80px auto; gap: 10px; align-items: end; }
.ob-field { margin-bottom: 16px; }
.ob-field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 0.85rem; }
.ob-field input, .ob-field select { width: 100%; background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm); padding: 12px 16px; color: var(--text-white); font-size: 0.95rem; font-family: inherit; }
.ob-field input:focus, .ob-field select:focus { outline: none; border-color: var(--primary); }

.ob-age-selector { display: flex; flex-wrap: wrap; gap: 8px; }
.ob-age-btn { width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,0.08); border: 2px solid transparent; color: var(--text-white); font-weight: 800; cursor: pointer; font-size: 0.95rem; transition: all 0.2s; font-family: inherit; }
.ob-age-btn:hover { border-color: var(--primary); }
.ob-age-btn.selected { background: var(--primary); border-color: var(--primary); }

.ob-avatar-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.ob-avatar-btn { width: 56px; height: 56px; border-radius: 12px; background: rgba(255,255,255,0.08); border: 2px solid transparent; font-size: 1.8rem; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; justify-content: center; }
.ob-avatar-btn:hover { border-color: var(--primary); }
.ob-avatar-btn.selected { background: rgba(232,135,60,0.2); border-color: var(--primary); }

/* Children list */
.ob-children-list { display: grid; gap: 10px; margin-bottom: 20px; }
.ob-child-card { background: rgba(255,255,255,0.08); border-radius: var(--radius-sm); padding: 12px 16px; display: flex; align-items: center; gap: 12px; }
.ob-child-avatar { font-size: 1.8rem; }
.ob-child-info { flex: 1; }
.ob-child-info strong { display: block; }
.ob-child-info span { color: var(--text-muted); font-size: 0.85rem; }
.ob-remove-btn { background: rgba(239,68,68,0.2); border: none; color: #f87171; padding: 6px 12px; border-radius: 8px; cursor: pointer; font-family: inherit; font-weight: 700; font-size: 0.8rem; }
.ob-primary-tag { background: rgba(34,197,94,0.2); color: #4ade80; padding: 4px 12px; border-radius: 8px; font-size: 0.75rem; font-weight: 700; }
.ob-btn-add { background: var(--primary); border: none; color: white; padding: 10px 20px; border-radius: var(--radius-sm); font-weight: 700; cursor: pointer; font-family: inherit; white-space: nowrap; }
#ob-add-child-form { background: rgba(255,255,255,0.04); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
#ob-add-child-form h3 { margin-bottom: 12px; font-size: 1rem; }

/* Focus areas */
.ob-focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 500px; margin: 0 auto 24px; }
.ob-focus-card { background: rgba(255,255,255,0.06); border: 2px solid transparent; border-radius: var(--radius); padding: 20px 12px; cursor: pointer; transition: all 0.2s; }
.ob-focus-card:hover { border-color: rgba(232,135,60,0.3); }
.ob-focus-card.selected { border-color: var(--primary); background: rgba(232,135,60,0.1); }
.ob-focus-icon { font-size: 2rem; display: block; margin-bottom: 6px; }
.ob-focus-name { font-weight: 800; display: block; }
.ob-focus-desc { color: var(--text-muted); font-size: 0.75rem; }

.ob-daily-goal { margin-bottom: 20px; }
.ob-daily-goal h3 { margin-bottom: 4px; }
.ob-daily-goal p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 12px; }
.ob-goal-options { display: flex; gap: 10px; justify-content: center; }
.ob-goal-btn { background: rgba(255,255,255,0.08); border: 2px solid transparent; border-radius: var(--radius-sm); padding: 12px 24px; color: var(--text-white); font-weight: 700; cursor: pointer; font-family: inherit; transition: all 0.2s; }
.ob-goal-btn:hover { border-color: var(--primary); }
.ob-goal-btn.active { background: var(--primary); border-color: var(--primary); }

/* Summary */
.ob-celebration { animation: fadeIn 0.5s ease-out; }
.ob-fox-celebrate { font-size: 5rem; animation: petBounce 1.5s ease-in-out infinite; }
.ob-summary { display: grid; gap: 12px; max-width: 400px; margin: 24px auto; text-align: left; }
.ob-summary-item { background: rgba(255,255,255,0.06); border-radius: var(--radius-sm); padding: 14px 18px; display: flex; gap: 12px; align-items: center; }
.ob-summary-icon { font-size: 1.5rem; }
.ob-tips { text-align: left; max-width: 450px; margin: 20px auto; background: rgba(255,255,255,0.04); border-radius: var(--radius); padding: 20px; }
.ob-tips h3 { margin-bottom: 10px; }
.ob-tips ul { color: var(--text-muted); font-size: 0.9rem; padding-left: 20px; }
.ob-tips li { margin-bottom: 6px; }
.ob-btn-launch { font-size: 1.2rem !important; padding: 18px 50px !important; margin-top: 24px; }

/* ============================================ RESPONSIVE */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 100px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.popular { transform: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg-dark); padding: 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: block; }
  .ob-focus-grid { grid-template-columns: 1fr 1fr; }
  .ob-avatar-grid { grid-template-columns: repeat(4, 1fr); }
  .ob-form-compact { grid-template-columns: 1fr; }
}

/* Screen-reader only (visually hidden but accessible) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}