/* public/css/styles.css */

/* Design Tokens */
:root {
  /* Primary Palette */
  --color-navy-950: #0a0f1c;
  --color-navy-900: #0d1526;
  --color-navy-800: #131d35;
  --color-navy-700: #1a2744;

  /* Accent — Cyan/Teal */
  --color-cyan-400: #22d3ee;
  --color-cyan-500: #06b6d4;
  --color-cyan-600: #0891b2;

  /* Supporting */
  --color-slate-100: #f1f5f9;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-white: #ffffff;

  /* Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  
  --text-hero: clamp(2.5rem, 5vw, 4rem);
  --text-h2: clamp(1.75rem, 3.5vw, 2.5rem);
  --text-h3: clamp(1.25rem, 2.5vw, 1.75rem);
  --text-body: 1.125rem;
  --text-small: 0.875rem;
  --line-height: 1.7;

  /* Spacing */
  --section-padding-y: clamp(48px, 8vw, 80px);
  --container-max: 1200px;
  --container-padding: clamp(16px, 4vw, 32px);

  /* Effects */
  --glass-bg: rgba(19, 29, 53, 0.7);
  --glass-border: rgba(34, 211, 238, 0.15);
  --glass-blur: 12px;
  --glow-cyan: 0 0 30px rgba(6, 182, 212, 0.3);
  --glow-cyan-strong: 0 0 50px rgba(6, 182, 212, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  color: var(--color-slate-100);
  background-color: var(--color-navy-950);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-cyan-500);
  color: var(--color-white);
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-navy-950);
}
::-webkit-scrollbar-thumb {
  background: var(--color-navy-800);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-navy-700);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-white);
  line-height: 1.2;
}
h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-cyan-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-cyan-500);
  text-decoration: underline;
}

/* Utilities */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding-y) 0;
}

.eyebrow {
  display: block;
  font-size: var(--text-small);
  color: var(--color-cyan-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none !important;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan-500), var(--color-cyan-600));
  color: var(--color-white) !important;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-cyan-400), var(--color-cyan-500));
  box-shadow: var(--glow-cyan-strong);
  transform: scale(1.02);
}
.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--color-cyan-400) !important;
  border: 2px solid var(--color-cyan-500);
}
.btn-outline:hover {
  background: var(--color-cyan-500);
  color: var(--color-white) !important;
}

.btn.disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Navigation */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: all var(--transition-base);
  height: 80px;
}
#main-nav .container {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#main-nav.is-scrolled {
  background: rgba(13, 21, 38, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  height: 70px;
}

.nav-links a {
  color: var(--color-slate-100);
  font-weight: 500;
  margin: 0 15px;
  text-decoration: none;
}
.nav-links a:hover {
  color: var(--color-cyan-400);
  text-decoration: none;
}
.nav-cta .btn {
  padding: 10px 20px;
  font-size: var(--text-small);
  border-radius: 8px;
}

/* Mobile Nav */
.mobile-hamburger {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
}

.mobile-menu-overlay {
  display: none;
}

@media (max-width: 1024px) {
  .nav-links, .nav-cta { display: none !important; }
  .mobile-hamburger { display: block !important; }
  
  .mobile-menu-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100vh;
    background: var(--color-navy-950);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: transform var(--transition-base);
  }
  body.is-open .mobile-menu-overlay {
    transform: translateY(0);
  }
  .mobile-menu-overlay a {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    margin: 15px 0;
    color: var(--color-white);
  }
}

/* Hero Section */
#hero {
  position: relative;
  min-height: 100vh;
  padding-top: 100px;
  background-image: url('../images/hero-bg.webp');
  background-size: cover;
  background-position: center;
}
#hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(110deg, rgba(10, 15, 28, 0.85) 0%, rgba(10, 15, 28, 0.6) 100%);
  z-index: 1;
}
#hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-content {
  max-width: 800px;
}
.hero__headline {
  max-width: 18ch;
  margin-bottom: 20px;
  font-weight: 700;
}
.hero__subhead {
  color: var(--color-slate-300);
  max-width: 60ch;
  font-size: 1.125rem;
  margin-bottom: 30px;
}
.trust-bar {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.trust-bar > div {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  padding: 8px 16px;
  border-radius: 20px;
  font-size: var(--text-small);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--transition-fast);
}
.trust-bar > div:hover {
  transform: scale(1.05);
}

.hero-founder {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}
.hero-founder img {
  border-radius: 50%;
  width: 120px;
  height: 120px;
  object-fit: cover;
  border: 3px solid var(--color-cyan-500);
  box-shadow: var(--glow-cyan);
}
@media (min-width: 1024px) {
  #hero .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .hero-founder {
    flex-direction: column;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }
  .hero-founder img {
    width: 220px;
    height: 220px;
  }
}

.primary-cta-area {
  max-width: 500px;
  margin-bottom: 20px;
}
.primary-cta-area .btn {
  width: 100%;
  margin: 15px 0;
}
.secondary-cta-area .btn {
  width: 100%;
  max-width: 500px;
}
@media (min-width: 768px) {
  .primary-cta-area .btn, .secondary-cta-area .btn {
    width: auto;
  }
}

/* Sections */
#problem { background-color: var(--color-navy-900); }
#authority { background-color: var(--color-navy-950); }
#value-stack { background-color: var(--color-navy-900); }
#lead-magnet { background: linear-gradient(180deg, var(--color-navy-800) 0%, var(--color-navy-900) 100%); }
#social-proof { background-color: var(--color-navy-950); }
#faq { background-color: var(--color-navy-900); }
#final-cta { 
  background-image: url('../images/hero-bg.webp');
  background-size: cover;
  background-position: center;
  position: relative;
}
#final-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(13, 21, 38, 0.9);
  z-index: 1;
}
#final-cta .container {
  position: relative;
  z-index: 2;
}

/* Pain Cards */
.pain-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--color-danger);
  backdrop-filter: blur(var(--glass-blur));
  padding: 24px;
  border-radius: 8px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.pain-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.pain-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}
.pain-card p {
  color: var(--color-slate-300);
  font-size: 1rem;
}

/* Authority */
.authority-image img {
  border-radius: 16px;
  border: 1px solid var(--color-cyan-500);
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}
.authority-text p {
  margin-bottom: 1rem;
}
.before-after-caption {
  margin: 16px auto 0;
  max-width: 640px;
  padding: 0 16px;
  color: var(--color-slate-300);
  text-align: center;
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Value Stack */
.tracker-mockup {
  position: relative;
  transform: perspective(800px) rotateY(-5deg);
  box-shadow: -20px 20px 50px rgba(0,0,0,0.5), var(--glow-cyan);
  border-radius: 24px; /* Assuming phone frame */
  overflow: hidden;
  border: 6px solid #1f2937; /* Mock phone bezel */
  background: #000;
  transition: transform var(--transition-slow);
}
.tracker-mockup:hover {
  transform: perspective(800px) rotateY(-2deg) scale(1.02);
}

.value-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  padding: 24px;
  border-radius: 12px;
  transition: transform var(--transition-base);
}
.value-card:hover {
  transform: translateY(-5px);
}
.value-card h4 {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.value-card p {
  color: var(--color-slate-300);
  font-size: 0.95rem;
}

/* Pricing Block */
.pricing-block {
  background: var(--glass-bg);
  border: 1px solid var(--color-cyan-400) !important;
  box-shadow: var(--glow-cyan-strong);
  backdrop-filter: blur(var(--glass-blur));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}
.pricing-block__price {
  color: var(--color-cyan-400);
  font-size: 3rem;
  font-weight: 700;
  margin: 10px 0;
}
.pricing-block__price s {
  color: var(--color-slate-400);
  font-size: 1.5rem;
}
.pricing-block__price strong {
  color: var(--color-white);
}

/* Lead Magnet */
.lead-magnet-preview {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  padding: 40px;
  border-radius: 12px;
  text-align: center;
}
.lead-magnet-list {
  list-style: none;
  padding-left: 0;
  margin-top: 20px;
}
.lead-magnet-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
}
.lead-magnet-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-cyan-500);
  font-weight: bold;
}

/* Social Proof */
.social-proof-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(var(--glass-blur));
  padding: 24px;
  border-radius: 12px;
}
.founder-card {
  border: 2px solid var(--color-cyan-500) !important;
}

/* FAQ */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq__item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1) !important;
  border-radius: 8px;
  padding: 0 !important;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq__item.is-open {
  border-left: 4px solid var(--color-cyan-500) !important;
}
.faq__question {
  padding: 20px 24px !important;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.faq__question::after {
  content: '+';
  color: var(--color-cyan-400);
  font-size: 1.5rem;
  transition: transform 0.3s;
}
.faq__item.is-open .faq__question::after {
  content: '−';
  transform: rotate(180deg);
}
.faq__answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s ease;
}
.faq__item.is-open .faq__answer {
  max-height: 500px; /* arbitrary max-height larger than expected content */
  padding: 0 24px 20px 24px;
  opacity: 1;
}

/* Footer */
#footer {
  background: var(--color-navy-950);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 60px 0 20px;
}

/* Animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-animate-delay="1"] { transition-delay: 100ms; }
[data-animate-delay="2"] { transition-delay: 200ms; }
[data-animate-delay="3"] { transition-delay: 300ms; }
[data-animate-delay="4"] { transition-delay: 400ms; }

/* Desktop grids / Layout specific */
@media (min-width: 1024px) {
  .hero-content { max-width: 60%; }
}

/* Glassmorphism Fallback */
@supports not (backdrop-filter: blur(1px)) {
  :root {
    --glass-bg: rgba(19, 29, 53, 0.95);
  }
  #main-nav.is-scrolled {
    background: rgba(13, 21, 38, 0.98);
  }
}