/* UpRev AI — Premium Design System v3
   Boutique. Editorial. Intentional.
   ========================================= */

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

:root {
  --bg: #060608;
  --bg-alt: #08080c;
  --bg-card: rgba(255, 255, 255, 0.025);
  --bg-elevated: rgba(255, 255, 255, 0.04);
  --white: #ebebf0;
  --grey: #84848e;
  --grey-light: #62626c;
  --grey-dark: #3a3a44;
  --accent: #F5E71F;
  --accent-dim: rgba(245, 231, 31, 0.07);
  --accent-glow: rgba(245, 231, 31, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(245, 231, 31, 0.18);
  --radius: 14px;
  --radius-lg: 20px;
  --radius-full: 980px;
  --max-w: 1060px;
  --max-w-wide: 1180px;
  --max-w-narrow: 680px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ==========================================
   TYPOGRAPHY — Display + Body split
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.headline-hero {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 0.92;
  text-transform: uppercase;
}

.headline-section {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 0.98;
  text-transform: uppercase;
}

.headline-sub {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.08;
  text-transform: uppercase;
}

.text-body {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--grey);
  line-height: 1.7;
  max-width: 540px;
}

.text-large {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--grey);
  line-height: 1.6;
}

.text-small {
  font-size: 0.85rem;
  color: var(--grey-light);
  letter-spacing: 0.01em;
}

.text-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Section marker dot */
.text-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.text-center { text-align: center; }
.text-accent { color: var(--accent); }

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #fff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================
   LAYOUT
   ========================================== */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-wide {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 6, 8, 0.8);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.3s var(--ease);
}

.nav-inner {
  max-width: var(--max-w-wide);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-logo .logo-mark {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: #000;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--grey);
  transition: color 0.3s var(--ease);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-cta {
  font-size: 0.75rem;
  font-weight: 600;
  color: #000;
  background: var(--accent);
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius-full);
  transition: all 0.3s var(--ease);
  border: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-cta:hover {
  background: #e6d81b;
  box-shadow: 0 0 24px rgba(245, 231, 31, 0.2);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 20px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s var(--ease);
}

/* ==========================================
   SECTIONS
   ========================================== */

.section {
  padding: 10rem 2rem;
  position: relative;
  overflow: hidden;
}

.section-full {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem;
}

.section-alt {
  background: var(--bg-alt);
}

/* Decorative gradient orb on alt sections */
.section-alt::before {
  content: '';
  position: absolute;
  top: -15%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 231, 31, 0.025) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section-content {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header .text-eyebrow {
  margin-bottom: 1.5rem;
  display: inline-flex;
}

.section-header .headline-section {
  margin-bottom: 1.5rem;
}

.section-header .text-body {
  margin: 0 auto;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ==========================================
   HERO — Perspective grid + gradient orb
   ========================================== */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10rem 2rem 8rem;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

/* Ambient gradient orb */
.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(245, 231, 31, 0.06) 0%,
    rgba(245, 231, 31, 0.02) 35%,
    transparent 65%
  );
  pointer-events: none;
  z-index: 0;
}

/* Perspective grid floor */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -50%;
  right: -50%;
  height: 70%;
  background-image:
    linear-gradient(rgba(245, 231, 31, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 231, 31, 0.05) 1px, transparent 1px);
  background-size: 70px 70px;
  transform: perspective(500px) rotateX(60deg);
  transform-origin: center bottom;
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%);
  mask-image: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Raise hero content above pseudo-elements */
.hero > * {
  position: relative;
  z-index: 1;
}

.hero .text-eyebrow {
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero .headline-hero {
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.35s forwards;
}

.hero .text-large {
  max-width: 520px;
  margin: 0 auto 3.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.65s forwards;
}

.hero-stats {
  display: flex;
  gap: 4rem;
  margin-top: 6rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.7rem;
  color: var(--grey-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.6rem;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  transition: all 0.3s var(--ease);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: #e6d81b;
  box-shadow: 0 0 30px rgba(245, 231, 31, 0.2);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(245, 231, 31, 0.2);
}

.btn-ghost:hover {
  background: var(--accent-dim);
  border-color: rgba(245, 231, 31, 0.4);
  box-shadow: 0 0 20px rgba(245, 231, 31, 0.08);
}

.btn-link {
  background: none;
  color: var(--accent);
  padding: 0;
  font-size: 0.85rem;
  font-weight: 600;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-link:hover {
  gap: 0.7rem;
}

.btn-link .arrow {
  transition: transform 0.3s var(--ease);
  display: inline-block;
}

.btn-link:hover .arrow {
  transform: translateX(4px);
}

.btn-white {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-lg {
  font-size: 0.9rem;
  padding: 1rem 2.5rem;
}

/* ==========================================
   CARDS — Glass morphism
   ========================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.8rem 2.2rem;
  border: 1px solid var(--border);
  transition: all 0.5s var(--ease);
  position: relative;
  overflow: hidden;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

/* Subtle top-edge glass highlight */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  pointer-events: none;
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(245, 231, 31, 0.04), 0 0 0 1px rgba(245, 231, 31, 0.06);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(245, 231, 31, 0.08);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.card p {
  color: var(--grey);
  font-size: 0.9rem;
  line-height: 1.65;
}

.card-large {
  padding: 4rem 3rem;
  text-align: center;
}

.card-large h3 {
  font-size: 1.8rem;
}

/* ==========================================
   STATS BAR
   ========================================== */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3.5rem 0;
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  line-height: 1;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--grey-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

/* ==========================================
   PROCESS — Editorial timeline
   ========================================== */

.process-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 2.5rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
  transition: opacity 0.3s var(--ease);
}

.process-step:last-child {
  border-bottom: none;
}

.process-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  line-height: 1;
  min-width: 70px;
  opacity: 0.3;
  transition: opacity 0.3s var(--ease);
}

.process-step:hover .process-num {
  opacity: 0.7;
}

.process-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.process-content p {
  color: var(--grey);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ==========================================
   FAQ
   ========================================== */

.faq-list {
  max-width: 680px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.8rem 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font);
  letter-spacing: -0.01em;
  transition: color 0.3s var(--ease);
}

.faq-q:hover {
  color: var(--accent);
}

.faq-q .icon {
  font-size: 1.5rem;
  color: var(--grey-dark);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-q .icon {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
}

.faq-item.active .faq-a {
  max-height: 400px;
  padding-bottom: 1.8rem;
}

.faq-a p {
  color: var(--grey);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ==========================================
   CTA SECTION — Ambient glow
   ========================================== */

.cta-section {
  text-align: center;
  padding: 10rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(
    circle,
    rgba(245, 231, 31, 0.06) 0%,
    rgba(245, 231, 31, 0.02) 35%,
    transparent 65%
  );
  pointer-events: none;
}

.cta-section .headline-section {
  margin-bottom: 1.2rem;
}

.cta-section .text-body {
  margin: 0 auto 2.5rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

/* ==========================================
   CONTACT FORM — Glass inputs
   ========================================== */

.contact-form {
  max-width: 520px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field {
  margin-bottom: 1rem;
}

.form-field label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--grey-light);
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  outline: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(245, 231, 31, 0.3);
  box-shadow: 0 0 0 3px rgba(245, 231, 31, 0.06);
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2386868b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg);
}

.footer-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  font-size: 0.75rem;
  color: var(--grey-dark);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.75rem;
  color: var(--grey-dark);
  transition: color 0.3s var(--ease);
  letter-spacing: 0.02em;
}

.footer-links a:hover {
  color: var(--white);
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ==========================================
   SUBPAGE: PROSE CONTENT
   ========================================== */

.prose {
  max-width: 680px;
  margin: 0 auto;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-top: 4rem;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.prose h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.prose p {
  color: var(--grey);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.prose strong {
  color: var(--white);
  font-weight: 600;
}

.prose ul, .prose ol {
  color: var(--grey);
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  line-height: 1.65;
}

/* ==========================================
   CHATGPT MOCKUP
   ========================================== */

.mockup-container {
  max-width: 520px;
  margin: 0 auto;
}

.chatgpt-mockup {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: #1a1a1a;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(245, 231, 31, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.mockup-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #10a37f;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: white;
  font-weight: 700;
}

.mockup-prompt {
  background: #f7f7f8;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  font-size: 0.88rem;
  color: #374151;
  margin-bottom: 1.2rem;
  font-style: italic;
}

.mockup-response {
  font-size: 0.88rem;
  color: #374151;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.mockup-ad {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.2rem;
}

.mockup-ad-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6b7280;
  margin-bottom: 0.5rem;
}

.mockup-ad h4 {
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.3rem;
  letter-spacing: 0;
  text-transform: none;
}

.mockup-ad .mockup-ad-url {
  font-size: 0.78rem;
  color: #2563eb;
  margin-bottom: 0.5rem;
}

.mockup-ad p {
  font-size: 0.82rem;
  color: #6b7280;
  line-height: 1.5;
}

.mockup-note {
  text-align: center;
  font-size: 0.65rem;
  color: var(--grey-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 1.5rem;
}

/* ==========================================
   CHECKLIST
   ========================================== */

.checklist {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.checklist li {
  padding: 0.8rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--grey);
  font-size: 1rem;
  line-height: 1.5;
  border-bottom: 1px solid var(--border);
}

.checklist li:last-child {
  border-bottom: none;
}

.checklist li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ==========================================
   COMPARISON TABLE
   ========================================== */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.comparison-table th,
.comparison-table td {
  padding: 1.1rem 1.3rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.comparison-table th {
  font-family: var(--font);
  font-weight: 600;
  color: var(--white);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.comparison-table td {
  color: var(--grey);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.cost-highlight {
  color: var(--accent) !important;
  font-weight: 600;
}

/* ==========================================
   ROI CALCULATOR — Glass
   ========================================== */

.calculator {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 520px;
  margin: 0 auto;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.calculator h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 2rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.calc-field {
  margin-bottom: 1.5rem;
}

.calc-field label {
  display: block;
  font-size: 0.8rem;
  color: var(--grey);
  margin-bottom: 0.5rem;
}

.calc-field input[type="range"] {
  width: 100%;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  -webkit-appearance: none;
}

.calc-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(245, 231, 31, 0.3);
}

.calc-field .value-display {
  text-align: right;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
  margin-top: 0.3rem;
  letter-spacing: 0.02em;
}

.calc-results {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 2rem;
  border: 1px solid var(--border);
}

.calc-result-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.calc-result-row:last-child {
  border-bottom: none;
  font-weight: 600;
  color: var(--accent);
}

.calc-result-row span:first-child {
  color: var(--grey);
}

/* ==========================================
   EXCLUSIVE / SELECTIVE SECTION
   ========================================== */

.exclusive-block {
  text-align: center;
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}

/* Decorative ambient orb */
.exclusive-block::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 231, 31, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.exclusive-block .headline-section {
  margin-bottom: 1.5rem;
}

.exclusive-block .text-body {
  margin: 0 auto 3rem;
  max-width: 520px;
}

.selective-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 480px;
  margin: 0 auto;
}

.selective-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
}

.selective-item:last-child {
  border-bottom: none;
}

.selective-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  border: 1px solid rgba(245, 231, 31, 0.08);
}

.selective-item span {
  font-size: 0.95rem;
  color: var(--grey);
}

/* ==========================================
   TWO-COL LAYOUT
   ========================================== */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.two-col-text h2 {
  margin-bottom: 1.2rem;
}

.two-col-text p {
  color: var(--grey);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .two-col { gap: 3rem; }
  .hero-stats { gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(6, 6, 8, 0.97);
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
  }

  .nav-links.active a {
    font-size: 1rem;
  }

  .section { padding: 6rem 1.5rem; }
  .section-full { padding: 5rem 1.5rem; }
  .cta-section { padding: 6rem 1.5rem; }

  .headline-hero { font-size: 2.8rem; }
  .headline-section { font-size: 2rem; }

  .hero { padding: 7rem 1.5rem 5rem; }

  /* Hide perspective grid on mobile */
  .hero::after {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
    margin-top: 4rem;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .card-grid,
  .card-grid-3 {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .process-step {
    flex-direction: column;
    gap: 1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .exclusive-block { padding: 5rem 1.5rem; }

  .comparison-table { font-size: 0.82rem; }
  .comparison-table th,
  .comparison-table td { padding: 0.8rem; }
}

@media (max-width: 480px) {
  .headline-hero { font-size: 2.2rem; }
  .headline-section { font-size: 1.7rem; }
  .card { padding: 2rem 1.5rem; }
  .calculator { padding: 2rem 1.5rem; }
  .hero-stats { gap: 1.5rem; }
}