/* ============================================================
   KD Social — PhD-Level Landing Page
   Animated mesh gradients · Glassmorphism · Micro-interactions
   Scroll-linked reveals · Noise textures · Living typography
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* --- Palette --- */
  --bg:          #060a14;
  --bg-alt:      #0c1220;
  --bg-card:     rgba(18, 28, 50, 0.6);
  --bg-card-hover:rgba(24, 38, 68, 0.8);
  --surface:     #243049;

  --text:        #f1f5f9;
  --text-muted:  #94a3b8;
  --text-dim:    #64748b;

  --accent:      #22d3ee;
  --accent-alt:  #06b6d4;
  --accent-soft: rgba(34, 211, 238, 0.08);
  --accent-glow: rgba(34, 211, 238, 0.3);

  --violet:      #a78bfa;
  --violet-soft: rgba(167, 139, 250, 0.12);
  --violet-glow: rgba(167, 139, 250, 0.3);

  --green:       #34d399;
  --green-soft:  rgba(52, 211, 153, 0.1);
  --green-glow:  rgba(52, 211, 153, 0.25);

  --rose:        #fb7185;
  --rose-soft:   rgba(251, 113, 133, 0.1);

  --amber:       #fbbf24;
  --amber-soft:  rgba(251, 191, 36, 0.1);

  --border:      rgba(148, 163, 184, 0.08);
  --border-hover:rgba(148, 163, 184, 0.2);

  /* --- Typography --- */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font);
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  2rem;
  --fs-4xl:  2.5rem;
  --fs-hero: clamp(2.5rem, 5.5vw, 4.25rem);

  /* --- Spacing --- */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* --- Radius --- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}


/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --bg:          #f8f9fc;
  --bg-alt:      #f0f1f5;
  --bg-card:     rgba(255, 255, 255, 0.85);
  --bg-card-hover:rgba(255, 255, 255, 0.95);
  --surface:     #e8eaf0;

  --text:        #1a1a2e;
  --text-muted:  #4a4a6a;
  --text-dim:    #7a7a9a;

  --accent:      #0891b2;
  --accent-alt:  #0e7490;
  --accent-soft: rgba(8, 145, 178, 0.08);
  --accent-glow: rgba(8, 145, 178, 0.2);

  --violet:      #7c3aed;
  --violet-soft: rgba(124, 58, 237, 0.08);
  --violet-glow: rgba(124, 58, 237, 0.2);

  --green:       #059669;
  --green-soft:  rgba(5, 150, 105, 0.08);
  --green-glow:  rgba(5, 150, 105, 0.15);

  --rose:        #e11d48;
  --rose-soft:   rgba(225, 29, 72, 0.06);

  --amber:       #d97706;
  --amber-soft:  rgba(217, 119, 6, 0.08);

  --border:      rgba(0, 0, 0, 0.08);
  --border-hover:rgba(0, 0, 0, 0.15);
}

[data-theme="light"] body::before {
  opacity: 0.02;
}

[data-theme="light"] .nav {
  background: rgba(248, 249, 252, 0.85);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .nav--scrolled {
  background: rgba(248, 249, 252, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .nav__links--open,
[data-theme="light"] .nav__actions--open {
  background: rgba(248, 249, 252, 0.97);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .hero__orb--1 {
  background: radial-gradient(circle, rgba(8, 145, 178, 0.3) 0%, transparent 70%);
}
[data-theme="light"] .hero__orb--2 {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.25) 0%, transparent 70%);
}
[data-theme="light"] .hero__orb--3 {
  background: radial-gradient(circle, rgba(5, 150, 105, 0.2) 0%, transparent 70%);
}
[data-theme="light"] .hero__grid {
  background-image:
    linear-gradient(rgba(8, 145, 178, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 145, 178, 0.04) 1px, transparent 1px);
}

[data-theme="light"] .btn--primary {
  box-shadow: 0 4px 16px rgba(8, 145, 178, 0.2), 0 1px 3px rgba(0,0,0,0.08);
}
[data-theme="light"] .btn--ghost {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .btn--ghost:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .section--dark {
  background: var(--bg-alt);
}
[data-theme="light"] .section--dark::before {
  background: radial-gradient(ellipse at 50% 0%, rgba(8, 145, 178, 0.05) 0%, transparent 60%);
}

[data-theme="light"] .faq__q::after {
  background: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .faq__item[open] {
  background: rgba(8, 145, 178, 0.04);
  border-color: rgba(8, 145, 178, 0.15);
}
[data-theme="light"] .faq__item[open] .faq__q::after {
  background: rgba(8, 145, 178, 0.1);
}

[data-theme="light"] .cta-section::before {
  opacity: 0.3;
}

[data-theme="light"] .trust-bar::before {
  background: linear-gradient(90deg, var(--bg), transparent);
}
[data-theme="light"] .trust-bar::after {
  background: linear-gradient(-90deg, var(--bg), transparent);
}

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 8px 12px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
  line-height: 1;
}
.theme-toggle:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--accent-soft);
}
.theme-toggle .theme-label {
  font-size: var(--fs-xs);
  font-weight: 500;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: var(--fs-base);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ===== NOISE TEXTURE OVERLAY ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ===== SCROLL PROGRESS BAR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--violet), var(--green));
  z-index: 10000;
  width: 0%;
  transition: width 0.1s linear;
}

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  position: relative;
}
.container--narrow { max-width: 800px; }

/* ===== NAVBAR ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 10, 20, 0.7);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: all 0.4s var(--ease-out);
}
.nav--scrolled {
  background: rgba(6, 10, 20, 0.92);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text);
  transition: transform 0.3s var(--ease-spring);
}
.nav__logo:hover {
  transform: scale(1.03);
}
.logo-icon {
  color: var(--accent);
  font-size: 1.4em;
  display: inline-block;
  animation: sparkle 3s ease-in-out infinite;
}
@keyframes sparkle {
  0%, 100% { opacity: 1; transform: rotate(0deg) scale(1); }
  50% { opacity: 0.7; transform: rotate(15deg) scale(1.15); }
}
.nav__links {
  display: flex;
  gap: var(--space-xl);
}
.nav__links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.25s;
  position: relative;
  padding: 4px 0;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.3s var(--ease-out);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav__burger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.nav__burger:hover { background: var(--accent-soft); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: var(--fs-sm);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn:hover::before { opacity: 1; }

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: var(--bg);
  box-shadow: 0 4px 16px var(--accent-glow), 0 1px 2px rgba(0,0,0,0.2);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.3);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.08);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.3);
}
.btn--outline:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn--lg {
  padding: 16px 36px;
  font-size: var(--fs-base);
}
.btn--full { width: 100%; }

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: calc(var(--space-5xl) + 72px) var(--space-xl) var(--space-5xl);
  overflow: hidden;
  text-align: center;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Animated mesh gradient orbs */
.hero__gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 20s ease-in-out infinite;
}
.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -15%;
  left: 10%;
  animation-delay: 0s;
}
.hero__orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--violet) 0%, transparent 70%);
  top: 20%;
  right: -5%;
  animation-delay: -7s;
  animation-duration: 25s;
}
.hero__orb--3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--green) 0%, transparent 70%);
  bottom: -10%;
  left: 30%;
  animation-delay: -14s;
  animation-duration: 22s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.02); }
}

/* Grid pattern overlay */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__inner {
  max-width: 850px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: rgba(34, 211, 238, 0.06);
  color: var(--accent);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-bottom: var(--space-2xl);
  border: 1px solid rgba(34, 211, 238, 0.15);
  backdrop-filter: blur(8px);
  animation: badge-pulse 4s ease-in-out infinite;
}
@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.1); }
  50% { box-shadow: 0 0 0 8px rgba(34, 211, 238, 0); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-xl);
}
.hero__accent {
  background: linear-gradient(135deg, var(--accent), var(--violet), var(--green));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease-in-out infinite;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero__sub {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
}
.hero__cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-4xl);
}

/* Stats with counter animation */
.hero__proof {
  display: flex;
  justify-content: center;
  gap: var(--space-4xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border);
  position: relative;
}
.hero__proof::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.hero__stat { text-align: center; }
.hero__stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.hero__stat-label {
  font-size: var(--fs-sm);
  color: var(--text-dim);
  margin-top: 4px;
}

/* ===== TRUST BAR (MARQUEE) ===== */
.trust-bar {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}
.trust-bar__label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: var(--space-md);
  font-weight: 500;
}
.trust-bar__track {
  display: flex;
  gap: var(--space-3xl);
  animation: marquee 30s linear infinite;
  width: max-content;
}
.trust-bar__logos {
  display: flex;
  gap: var(--space-3xl);
  flex-shrink: 0;
}
.trust-bar__logos span {
  color: var(--text-dim);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
  opacity: 0.6;
  transition: opacity 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-bar__logos span::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.4;
}
.trust-bar__logos span:hover { opacity: 1; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Edge fade for marquee */
.trust-bar::before,
.trust-bar::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.trust-bar::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}
.trust-bar::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg), transparent);
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
}
.section--dark {
  background: var(--bg-alt);
}
.section--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
}
.section__header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}
.section__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(34, 211, 238, 0.12);
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, var(--fs-4xl));
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
  line-height: 1.15;
}
.section__sub {
  color: var(--text-muted);
  font-size: var(--fs-lg);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== STEPS (WITH CONNECTOR) ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  position: relative;
}
/* Connecting dotted line */
.steps::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 16.67%;
  right: 16.67%;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0px,
    var(--accent) 4px,
    transparent 4px,
    transparent 12px
  );
  opacity: 0.3;
}
.step {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
  border-radius: var(--radius-xl);
  transition: all 0.4s var(--ease-out);
}
.step:hover {
  background: rgba(34, 211, 238, 0.03);
}
.step__num {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(34, 211, 238, 0.15);
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 1;
  transition: all 0.4s var(--ease-out);
}
.step:hover .step__num {
  background: rgba(34, 211, 238, 0.15);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-4px) scale(1.05);
}
.step__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.step__desc {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* ===== FEATURE CARDS (GLASSMORPHISM) ===== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}
/* Glow line on top */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px var(--accent-glow);
}
.feature-card:hover::before { opacity: 1; }

.feature-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  transition: all 0.4s var(--ease-spring);
  border: 1px solid rgba(34, 211, 238, 0.1);
}
.feature-card:hover .feature-card__icon {
  background: rgba(34, 211, 238, 0.15);
  transform: scale(1.1) rotate(-3deg);
  box-shadow: 0 0 20px var(--accent-glow);
}
.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.feature-card__desc {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  transition: all 0.4s var(--ease-out);
  backdrop-filter: blur(8px);
}
.testimonial::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 5rem;
  font-family: Georgia, serif;
  line-height: 1;
  color: var(--accent);
  opacity: 0.08;
  pointer-events: none;
}
.testimonial:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.testimonial__stars {
  color: var(--amber);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-lg);
  letter-spacing: 3px;
  filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.3));
}
.testimonial__text {
  color: var(--text-muted);
  font-size: var(--fs-base);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
  position: relative;
}
.testimonial__author strong {
  display: block;
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.testimonial__author span {
  color: var(--text-dim);
  font-size: var(--fs-xs);
}

/* ===== PRICING CARDS ===== */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1050px;
  margin: 0 auto;
  align-items: start;
}
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  transition: all 0.4s var(--ease-out);
  backdrop-filter: blur(12px);
}
.price-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Recommended card — glowing */
.price-card--recommended {
  border-color: rgba(34, 211, 238, 0.3);
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.06) 0%, var(--bg-card) 100%);
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.08);
  transform: scale(1.04);
  z-index: 2;
}
.price-card--recommended:hover {
  transform: scale(1.04) translateY(-8px);
  box-shadow: 0 0 60px rgba(34, 211, 238, 0.15), 0 24px 64px rgba(0, 0, 0, 0.3);
}
/* Shimmer animation on recommended card */
.price-card--recommended::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(34, 211, 238, 0.06),
    transparent
  );
  animation: shimmer 4s ease-in-out infinite;
  border-radius: var(--radius-xl);
  pointer-events: none;
}
@keyframes shimmer {
  0% { left: -100%; }
  50% { left: 100%; }
  100% { left: 100%; }
}

.price-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.price-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.price-card__desc {
  color: var(--text-dim);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-lg);
}
.price-card__price {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}
.price-card__amount {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.price-card__period {
  color: var(--text-dim);
  font-size: var(--fs-sm);
  font-weight: 400;
}
.price-card__features {
  margin-bottom: var(--space-xl);
}
.price-card__features li {
  padding: var(--space-xs) 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.price-card__features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}
.price-card__features li::marker { content: ''; }

/* ===== ADD-ON CARDS ===== */
.addons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.addon-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all 0.4s var(--ease-out);
  backdrop-filter: blur(8px);
}
.addon-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}
.addon-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(34, 211, 238, 0.1);
}
.addon-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.addon-card__price {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-md);
}
.addon-card__price span {
  color: var(--text-dim);
  font-size: var(--fs-sm);
  font-weight: 400;
}
.addon-card__features {
  margin-bottom: var(--space-lg);
}
.addon-card__features li {
  padding: 4px 0;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  display: flex;
  align-items: center;
  gap: 8px;
}
.addon-card__features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: var(--fs-sm);
}
.addon-card__features li::marker { content: ''; }

/* ===== FAQ ===== */
.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s var(--ease-out);
  backdrop-filter: blur(8px);
}
.faq__item:hover {
  border-color: var(--border-hover);
}
.faq__item[open] {
  border-color: rgba(34, 211, 238, 0.2);
  background: rgba(34, 211, 238, 0.03);
}
.faq__q {
  padding: var(--space-lg) var(--space-xl);
  font-weight: 600;
  font-size: var(--fs-base);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}
.faq__q:hover { color: var(--accent); }
.faq__q::after {
  content: '+';
  font-size: var(--fs-xl);
  color: var(--text-dim);
  transition: all 0.3s var(--ease-out);
  font-weight: 300;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
}
.faq__item[open] .faq__q::after {
  transform: rotate(45deg);
  color: var(--accent);
  background: var(--accent-soft);
}
.faq__a {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
  animation: faq-reveal 0.3s var(--ease-out);
}
@keyframes faq-reveal {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: var(--space-5xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, var(--accent-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, var(--violet-glow) 0%, transparent 50%);
  opacity: 0.5;
  animation: cta-breathe 6s ease-in-out infinite;
}
@keyframes cta-breathe {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}
.cta-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, var(--fs-4xl));
  font-weight: 700;
  margin-bottom: var(--space-md);
  position: relative;
  letter-spacing: -0.03em;
}
.cta-section__sub {
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
  font-size: var(--fs-lg);
  position: relative;
}

/* ===== FOOTER ===== */
.footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--border);
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}
.footer__brand {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
}
.footer__tagline {
  color: var(--text-dim);
  font-size: var(--fs-sm);
  font-weight: 400;
  margin-top: var(--space-sm);
  line-height: 1.6;
}
.footer__col h4 {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: var(--space-lg);
  font-weight: 600;
}
.footer__col a {
  display: block;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  padding: var(--space-xs) 0;
  transition: all 0.25s;
  position: relative;
}
.footer__col a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: var(--fs-xs);
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}
/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal-stagger.reveal--visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.reveal--visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.reveal--visible > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.reveal--visible > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.reveal--visible > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.reveal--visible > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.reveal--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .addons { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav__links, .nav__actions { display: none; }
  .nav__links--open, .nav__actions--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(6, 10, 20, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: var(--space-lg) var(--space-xl);
    gap: var(--space-md);
    animation: slide-down 0.3s var(--ease-out);
  }
  @keyframes slide-down {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .nav__actions--open { top: auto; bottom: 0; border-bottom: none; border-top: 1px solid var(--border); }
  .nav__burger { display: block; }
  .theme-toggle .theme-label { display: none; }
  .theme-toggle { padding: 8px 10px; }

  .hero { min-height: auto; padding-top: calc(var(--space-4xl) + 72px); }
  .hero__proof {
    flex-direction: column;
    gap: var(--space-lg);
  }
  .hero__proof::before { display: none; }

  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .features,
  .testimonials,
  .pricing { grid-template-columns: 1fr; }

  .price-card--recommended {
    transform: none;
    order: -1;
  }
  .price-card--recommended:hover {
    transform: translateY(-8px);
  }

  .addons { grid-template-columns: repeat(2, 1fr); }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 600px) {
  .hero__orb { filter: blur(60px); opacity: 0.25; }
  .hero__orb--1 { width: 300px; height: 300px; }
  .hero__orb--2 { width: 250px; height: 250px; }
  .hero__orb--3 { display: none; }

  .addons { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: var(--space-sm); }

  .section { padding: var(--space-4xl) 0; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .trust-bar__track { animation: none; }
  .hero__orb { animation: none; }
}


/* ===== EMAIL MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 440px;
  width: 100%;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s var(--ease-spring);
  position: relative;
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s;
}
.modal__close:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}
.modal__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.modal__plan-name {
  color: var(--accent);
}
.modal__desc {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-xl);
}
.modal__input-group {
  margin-bottom: var(--space-md);
}
.modal__label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}
.modal__input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--fs-base);
  transition: all 0.2s;
  outline: none;
}
.modal__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.modal__input::placeholder {
  color: var(--text-dim);
}
.modal__error {
  color: var(--rose);
  font-size: var(--fs-xs);
  margin-top: var(--space-xs);
  display: none;
}
.modal__error.visible {
  display: block;
}
.modal__submit {
  width: 100%;
  margin-top: var(--space-md);
}
.modal__footer {
  text-align: center;
  margin-top: var(--space-md);
  color: var(--text-dim);
  font-size: var(--fs-xs);
}


/* ===== URGENCY BANNER ===== */
.urgency-banner {
  background: linear-gradient(90deg, var(--accent-soft), var(--violet-soft));
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 10px var(--space-xl);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  position: relative;
  z-index: 99;
}
.urgency-banner strong {
  color: var(--accent);
}
.urgency-banner a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== SOCIAL PROOF BAR ===== */
.proof-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  padding: var(--space-xl) 0;
  flex-wrap: wrap;
}
.proof-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-dim);
  font-size: var(--fs-sm);
}
.proof-bar__icon {
  font-size: 1.4rem;
}

/* ===== RESPONSIVE: PROOF BAR ===== */
@media (max-width: 600px) {
  .proof-bar {
    gap: var(--space-lg);
    flex-direction: column;
    align-items: center;
  }
}