/* 6Pack Crunch Challenge - Website Styles */

:root {
    --color-primary: #FF6B00;
    --color-primary-light: #FF8533;
    --color-dark: #0F0F0F;
    --color-dark-light: #1A1A1A;
    --color-gray-800: #262626;
    --color-gray-700: #3F3F3F;
    --color-gray-600: #525252;
    --color-gray-500: #737373;
    --color-gray-400: #A3A3A3;
    --color-gray-300: #D4D4D4;
    --color-gray-900: #171717;
    --color-white: #FFFFFF;
    --color-accent: #10B981;
    --gradient-primary: linear-gradient(135deg, #FF6B00 0%, #FF8533 50%, #FFB366 100%);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); font-size: 1rem; line-height: 1.6; color: var(--color-gray-300); background: var(--color-dark); overflow-x: hidden; }
a { color: inherit; text-decoration: none; transition: color 0.15s ease; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Navigation */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 1rem 0; background: transparent; transition: all 0.25s ease; }
.nav.scrolled, .nav-dark { background: rgba(15, 15, 15, 0.95); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.125rem; color: var(--color-white); }
.logo-icon { font-size: 1.25rem; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-link { font-size: 0.875rem; font-weight: 500; color: var(--color-gray-400); position: relative; }
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--gradient-primary); transition: width 0.25s ease; }
.nav-link:hover, .nav-link.active { color: var(--color-white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 1rem 2rem; font-family: var(--font-family); font-size: 0.875rem; font-weight: 600; border: none; border-radius: var(--radius-lg); cursor: pointer; transition: all 0.25s ease; }
.btn-icon { width: 20px; height: 20px; }
.btn-primary { background: var(--gradient-primary); color: var(--color-white); box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 107, 0, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 30px rgba(255, 107, 0, 0.4); }
.btn-large { padding: 1.5rem 3rem; font-size: 1rem; border-radius: var(--radius-xl); }

/* Hero Section */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 6rem 0; overflow: hidden; width: 100%; }
.hero > .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-gradient { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255, 107, 0, 0.15) 0%, transparent 50%), radial-gradient(ellipse 60% 50% at 80% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%), linear-gradient(180deg, #0F0F0F 0%, #1A1A1A 100%); }
.hero-content { position: relative; z-index: 1; flex: 0 1 600px; max-width: 600px; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; background: rgba(255, 107, 0, 0.1); border: 1px solid rgba(255, 107, 0, 0.2); border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 500; color: var(--color-primary); margin-bottom: 2rem; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }
.badge-icon { font-size: 1rem; }
.hero-title { font-size: clamp(2rem, 5vw, 4.5rem); font-weight: 800; line-height: 1.1; color: var(--color-white); margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.125rem; color: var(--color-gray-400); margin-bottom: 3rem; max-width: 500px; }
.hero-cta { margin-bottom: 3rem; }
.hero-stats { display: flex; align-items: center; gap: 2rem; }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-size: 1.5rem; font-weight: 700; color: var(--color-white); }
.stat-label { font-size: 0.875rem; color: var(--color-gray-500); }
.stat-divider { width: 1px; height: 40px; background: var(--color-gray-700); }

/* Hero Visual */
.hero-visual { position: relative; flex: 0 0 auto; z-index: 1; }
.phone-mockup { position: relative; width: 280px; }
.phone-frame { background: linear-gradient(135deg, var(--color-gray-800) 0%, var(--color-gray-900) 100%); border-radius: 40px; padding: 12px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5); border: 1px solid var(--color-gray-700); }
.phone-screen { background: var(--color-dark); border-radius: 30px; overflow: hidden; aspect-ratio: 9 / 19; }
.app-preview { padding: 1.5rem; height: 100%; display: flex; flex-direction: column; }
.preview-header { text-align: center; margin-bottom: 2rem; padding-top: 2rem; }
.preview-day { display: block; font-size: 0.875rem; color: var(--color-primary); font-weight: 600; margin-bottom: 0.25rem; }
.preview-title { display: block; font-size: 1.25rem; font-weight: 700; color: var(--color-white); }
.preview-exercise { display: flex; align-items: center; gap: 1rem; padding: 1rem; background: var(--color-gray-900); border-radius: var(--radius-lg); margin-bottom: 1rem; }
.exercise-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: rgba(255, 107, 0, 0.1); border-radius: var(--radius-md); font-size: 1.125rem; }
.exercise-info { display: flex; flex-direction: column; }
.exercise-name { font-size: 0.875rem; font-weight: 600; color: var(--color-white); }
.exercise-reps { font-size: 0.75rem; color: var(--color-gray-500); }
.preview-progress { margin-top: auto; padding-bottom: 1.5rem; }
.progress-bar { height: 8px; background: var(--color-gray-800); border-radius: var(--radius-full); overflow: hidden; margin-bottom: 0.5rem; }
.progress-fill { width: 40%; height: 100%; background: var(--gradient-primary); border-radius: var(--radius-full); animation: progress-grow 2s ease-out; }
@keyframes progress-grow { from { width: 0; } to { width: 40%; } }
.progress-text { font-size: 0.75rem; color: var(--color-gray-500); }
.phone-glow { position: absolute; inset: -50px; background: radial-gradient(ellipse at center, rgba(255, 107, 0, 0.3) 0%, transparent 70%); z-index: -1; filter: blur(40px); animation: glow-pulse 3s ease-in-out infinite; }
@keyframes glow-pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 0.8; } }

/* Features Section */
.features { padding: 6rem 0; background: var(--color-dark); position: relative; }
.features::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--color-gray-700), transparent); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-badge { display: inline-block; padding: 0.5rem 1rem; background: rgba(255, 107, 0, 0.1); border: 1px solid rgba(255, 107, 0, 0.2); border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 500; color: var(--color-primary); margin-bottom: 1rem; }
.section-title { font-size: clamp(1.5rem, 4vw, 2.5rem); font-weight: 700; color: var(--color-white); margin-bottom: 1rem; }
.section-subtitle { font-size: 1.125rem; color: var(--color-gray-400); max-width: 500px; margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.feature-card { position: relative; padding: 2rem; background: var(--color-dark-light); border: 1px solid var(--color-gray-800); border-radius: var(--radius-xl); transition: all 0.25s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(255, 107, 0, 0.3); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 30px rgba(255, 107, 0, 0.1); }
.feature-card.featured { border-color: rgba(255, 107, 0, 0.3); background: linear-gradient(180deg, rgba(255, 107, 0, 0.05) 0%, var(--color-dark-light) 100%); }
.feature-badge { position: absolute; top: 1rem; right: 1rem; padding: 0.25rem 0.5rem; background: var(--gradient-primary); border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; color: var(--color-white); }
.feature-icon { width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: rgba(255, 107, 0, 0.1); border-radius: var(--radius-lg); margin-bottom: 1.5rem; font-size: 1.5rem; }
.feature-title { font-size: 1.25rem; font-weight: 600; color: var(--color-white); margin-bottom: 0.5rem; }
.feature-desc { font-size: 0.875rem; color: var(--color-gray-400); line-height: 1.7; }

/* About Section */
.about { padding: 6rem 0; background: var(--color-dark-light); }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }
.about-desc { font-size: 1rem; color: var(--color-gray-400); margin-bottom: 2rem; line-height: 1.8; }
.about-list { margin-bottom: 3rem; }
.about-item { display: flex; align-items: center; gap: 1rem; padding: 0.5rem 0; color: var(--color-gray-300); }
.check-icon { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; background: rgba(16, 185, 129, 0.2); color: var(--color-accent); border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 600; }
.about-visual { display: flex; justify-content: center; }
.visual-card { display: flex; align-items: center; gap: 2rem; padding: 3rem; background: var(--color-dark); border: 1px solid var(--color-gray-800); border-radius: var(--radius-2xl); }
.visual-before, .visual-after { text-align: center; }
.visual-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--color-gray-500); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.1em; }
.visual-placeholder { width: 140px; height: 180px; display: flex; align-items: center; justify-content: center; background: var(--color-gray-900); border: 2px dashed var(--color-gray-700); border-radius: var(--radius-xl); color: var(--color-gray-600); font-weight: 500; }
.visual-placeholder.glow { background: linear-gradient(180deg, rgba(255, 107, 0, 0.1) 0%, var(--color-gray-900) 100%); border-color: rgba(255, 107, 0, 0.3); color: var(--color-primary); box-shadow: 0 0 30px rgba(255, 107, 0, 0.2); }
.visual-arrow { font-size: 1.5rem; color: var(--color-primary); }

/* CTA Section */
.cta { padding: 6rem 0; background: var(--color-dark); position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 800px; height: 800px; background: radial-gradient(ellipse at center, rgba(255, 107, 0, 0.15) 0%, transparent 60%); pointer-events: none; }
.cta-content { position: relative; z-index: 1; text-align: center; margin: 0 auto; }
.cta-title { font-size: clamp(1.5rem, 4vw, 2.5rem); font-weight: 700; color: var(--color-white); margin-bottom: 1rem; }
.cta-subtitle { font-size: 1.125rem; color: var(--color-gray-400); margin-bottom: 3rem; }

/* Footer */
.footer { padding: 4rem 0; background: var(--color-dark-light); border-top: 1px solid var(--color-gray-800); }
.footer-content { text-align: center; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 0.5rem; font-weight: 700; font-size: 1.125rem; color: var(--color-white); margin-bottom: 1.5rem; }
.footer-links { display: flex; align-items: center; justify-content: center; gap: 2rem; margin-bottom: 1.5rem; }
.footer-links a { font-size: 0.875rem; color: var(--color-gray-400); }
.footer-links a:hover { color: var(--color-primary); }
.footer-disclaimer { font-size: 0.875rem; color: var(--color-gray-600); margin-bottom: 1rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.footer-copyright { font-size: 0.875rem; color: var(--color-gray-600); }

/* Privacy Page */
.privacy-page { padding-top: 100px; padding-bottom: 6rem; min-height: 100vh; }
.privacy-header { text-align: center; margin-bottom: 4rem; padding-bottom: 3rem; border-bottom: 1px solid var(--color-gray-800); }
.privacy-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; color: var(--color-white); margin-bottom: 1rem; }
.privacy-updated { font-size: 0.875rem; color: var(--color-gray-500); }
.privacy-content { max-width: 800px; margin: 0 auto; }
.privacy-section { margin-bottom: 3rem; }
.privacy-section h2 { font-size: 1.25rem; font-weight: 600; color: var(--color-white); margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--color-primary); display: inline-block; }
.privacy-section p { color: var(--color-gray-400); margin-bottom: 1rem; line-height: 1.8; }
.privacy-section ul { margin-bottom: 1rem; padding-left: 2rem; }
.privacy-section li { position: relative; color: var(--color-gray-400); margin-bottom: 0.5rem; padding-left: 1rem; line-height: 1.7; }
.privacy-section li::before { content: '•'; position: absolute; left: 0; color: var(--color-primary); font-weight: bold; }
.privacy-highlight { padding: 1.5rem; background: rgba(255, 107, 0, 0.1); border-left: 4px solid var(--color-primary); border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 1.5rem 0; }
.privacy-highlight strong { color: var(--color-primary); }
.contact-info { padding: 1.5rem; background: var(--color-dark-light); border: 1px solid var(--color-gray-800); border-radius: var(--radius-lg); }
.contact-info a { color: var(--color-primary); }
.contact-info a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-visual { display: none; }
    .hero-content { max-width: 100%; text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-stats { justify-content: center; }
    .about-content { grid-template-columns: 1fr; gap: 3rem; }
    .about-text { text-align: center; }
    .about-list { display: inline-block; text-align: left; }
}
@media (max-width: 768px) {
    .nav-links { gap: 1rem; }
    .hero { padding: 4rem 0; }
    .hero-stats { flex-direction: column; gap: 1rem; }
    .stat-divider { width: 50px; height: 1px; }
    .features-grid { grid-template-columns: 1fr; }
    .visual-card { flex-direction: column; gap: 1.5rem; }
    .visual-arrow { transform: rotate(90deg); }
}
@media (max-width: 480px) {
    .nav-container { padding: 0 1rem; }
    .logo-text { display: none; }
    .nav-links { gap: 0.5rem; }
    .nav-link { font-size: 0.75rem; }
    .btn { padding: 0.5rem 1rem; font-size: 0.75rem; }
    .btn-large { padding: 1rem 1.5rem; font-size: 0.875rem; }
    .visual-placeholder { width: 120px; height: 150px; }
}

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.hero-content > * { animation: fadeInUp 0.8s ease-out forwards; }
.hero-badge { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-subtitle { animation-delay: 0.3s; }
.hero-cta { animation-delay: 0.4s; }
.hero-stats { animation-delay: 0.5s; }
.feature-card { opacity: 0; animation: fadeInUp 0.6s ease-out forwards; }
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }