/* ═══════════════════════════════════════════
   LINKGUARD — CSS
   Mobile-first · Cinematic Dark · Syne + Figtree
═══════════════════════════════════════════ */

/* ─── Custom Properties ─── */
:root {
  --bg:          #050A14;
  --bg-2:        #080F1F;
  --bg-3:        #0C1528;
  --surface:     rgba(255,255,255,0.04);
  --surface-2:   rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.08);
  --border-2:    rgba(0,229,255,0.2);

  --cyan:        #00E5FF;
  --cyan-dim:    rgba(0,229,255,0.15);
  --cyan-glow:   rgba(0,229,255,0.08);
  --indigo:      #6366F1;
  --indigo-dim:  rgba(99,102,241,0.15);
  --red:         #FF4C6A;

  --text-1:      #F0F6FF;
  --text-2:      #8A9DC0;
  --text-3:      #5A6E8A;

  --font-head:   'DM Sans', sans-serif;
  --font-body:   'Figtree', sans-serif;

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 999px;

  --shadow-glow: 0 0 40px rgba(0,229,255,0.12);
  --shadow-card: 0 4px 32px rgba(0,0,0,0.4);

  --transition:      0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --max-w:    1200px;
  --gutter:   1.1rem;
  --section:  3.5rem;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
details { list-style: none; }
details summary { list-style: none; }
details summary::-webkit-details-marker { display: none; }

/* ─── Noise Grain ─── */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ─── Ambient Orbs ─── */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: orbFloat 20s ease-in-out infinite alternate;
}
.orb--1 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--cyan), transparent);
  top: -5%; left: -15%;
  animation-duration: 22s;
}
.orb--2 {
  width: 280px; height: 280px;
  background: radial-gradient(circle, var(--indigo), transparent);
  top: 50%; right: -10%;
  animation-duration: 18s;
  animation-delay: -5s;
}
.orb--3 {
  width: 220px; height: 220px;
  background: radial-gradient(circle, #2563EB, transparent);
  bottom: 10%; left: 20%;
  animation-duration: 25s;
  animation-delay: -10s;
}
@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 50px) scale(1.08); }
}

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

/* ══════════════════════════
   BUTTONS
══════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.97); }

.btn__icon { width: 16px; height: 16px; flex-shrink: 0; }

.btn--sm  { padding: 0.5rem 1.1rem;  font-size: 0.82rem; }
.btn--lg  { padding: 0.8rem 1.6rem;  font-size: 0.93rem; }
.btn--xl  { padding: 0.9rem 2rem;    font-size: 0.95rem; }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--cyan);
  color: #020810;
  box-shadow: 0 0 20px rgba(0,229,255,0.35);
}
.btn--primary:hover {
  box-shadow: 0 0 36px rgba(0,229,255,0.55);
  transform: translateY(-1px);
}
.btn--ghost {
  background: var(--surface-2);
  color: var(--text-1);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--border-2); }

/* ══════════════════════════
   NAV
══════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 0.85rem 0;
  transition: background var(--transition), backdrop-filter var(--transition);
}
.nav.scrolled {
  background: rgba(5,10,20,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav__inner { display: flex; align-items: center; gap: 0.75rem; }

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--text-1);
  font-weight: 400;
  flex-shrink: 0;
}
.nav__logo strong  { color: var(--cyan); font-weight: 800; }
.nav__logo-icon    { width: 20px; height: 20px; color: var(--cyan); }

.nav__links {
  display: none;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
  font-size: 0.87rem;
  color: var(--text-2);
}
.nav__links a:hover { color: var(--text-1); }

.nav__cta { display: none; margin-left: 0; }

.nav__burger {
  width: 38px; height: 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 7px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  background: var(--surface);
  flex-shrink: 0;
}
.nav__burger span {
  display: block;
  height: 1.5px;
  background: var(--text-1);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__mobile {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: rgba(6,12,24,0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem var(--gutter) 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.97rem;
  color: var(--text-2);
}
.nav__mobile[hidden] { display: none; }
.nav__mobile a       { transition: color var(--transition); padding: 0.15rem 0; }
.nav__mobile a:hover { color: var(--text-1); }

/* ══════════════════════════
   HERO
══════════════════════════ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 6.5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.2rem;
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--border-2);
  padding: 0.38rem 0.8rem;
  border-radius: var(--radius-full);
}
.hero__badge svg { width: 12px; height: 12px; flex-shrink: 0; }

.hero__title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.hero__title-accent {
  color: var(--cyan);
  display: inline-block;
  position: relative;
}
.hero__title-accent::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.hero__subtitle {
  font-size: 0.95rem;
  color: var(--text-2);
  max-width: 100%;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  width: 100%;
}
.hero__actions .btn { width: 100%; justify-content: center; }

/* Stats — 2×2 grid on mobile */
.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 0.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  width: 100%;
}
.stat { display: flex; flex-direction: column; gap: 0.1rem; }
.stat__number {
  font-family: var(--font-head);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1;
}
.stat__label {
  font-size: 0.65rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat__divider { display: none; }

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  margin: auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: 0.8; }
  50%      { opacity: 0.2; }
}

/* ══════════════════════════
   TRUST BAR
══════════════════════════ */
.trust {
  padding: 2.25rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.trust__label {
  text-align: center;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-3);
  margin-bottom: 1.1rem;
}
.trust__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
}
.trust__logo {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-3);
}
.trust__logo svg { width: 13px; height: 13px; }

/* ══════════════════════════
   SECTION HEADER
══════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--border-2);
  padding: 0.36rem 0.8rem;
  border-radius: var(--radius-full);
}
.section-tag svg { width: 12px; height: 12px; }
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 7vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.section-title em { font-style: normal; color: var(--cyan); }
.section-desc {
  font-size: 0.92rem;
  color: var(--text-2);
  max-width: 420px;
  line-height: 1.65;
}

/* ══════════════════════════
   HOW IT WORKS
══════════════════════════ */
.how { padding: var(--section) 0; }

.how__step {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  align-items: center;
  margin-bottom: 3.5rem;
}
.how__step:last-child { margin-bottom: 0; }

.how__content {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  width: 100%;
}

.how__step-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  letter-spacing: -0.04em;
  user-select: none;
}

.how__step-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.how__step-title svg { width: 19px; height: 19px; color: var(--cyan); flex-shrink: 0; }

.how__step-desc { color: var(--text-2); font-size: 0.9rem; line-height: 1.75; }

.how__step-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.2rem;
}
.how__step-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  color: var(--text-2);
}
.how__step-features li svg { width: 13px; height: 13px; color: var(--cyan); flex-shrink: 0; }

/* Phone Mockup */
.how__mockup { width: 100%; display: flex; justify-content: center; }

.phone-frame {
  position: relative;
  width: 195px;
  height: 390px;
  background: linear-gradient(145deg, #1a2540, #0d1626);
  border-radius: 30px;
  border: 2px solid rgba(255,255,255,0.1);
  box-shadow:
    0 0 0 1px rgba(0,229,255,0.07),
    0 24px 50px rgba(0,0,0,0.5),
    inset 0 1px 0 rgba(255,255,255,0.05);
  overflow: hidden;
  flex-shrink: 0;
}
.phone-frame::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 31px;
  background: linear-gradient(135deg, rgba(0,229,255,0.18), transparent, rgba(99,102,241,0.12));
  z-index: -1;
}
.phone-frame__inner {
  position: absolute;
  inset: 4px;
  border-radius: 26px;
  overflow: hidden;
  background: var(--bg);
}
.phone-frame__notch {
  width: 72px; height: 16px;
  background: #020810;
  border-radius: 0 0 12px 12px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.phone-screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 0.75rem 1rem;
}

/* Chat UI */
.chat-ui { display: flex; flex-direction: column; gap: 0.6rem; width: 100%; }
.chat-bubble {
  max-width: 92%;
  padding: 0.55rem 0.75rem;
  border-radius: 13px;
  font-size: 0.66rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.chat-bubble--bot {
  background: rgba(0,229,255,0.09);
  border: 1px solid rgba(0,229,255,0.17);
  color: var(--text-1);
  align-self: flex-start;
}
.chat-bubble--bot svg { width: 11px; height: 11px; color: var(--cyan); flex-shrink: 0; }
.chat-bubble--user {
  background: rgba(99,102,241,0.18);
  border: 1px solid rgba(99,102,241,0.26);
  color: var(--text-1);
  align-self: flex-end;
  min-width: 50px; min-height: 28px;
}
.typing-text { word-break: break-all; }
.typing-cursor {
  display: inline-block;
  width: 2px; height: 10px;
  background: var(--cyan);
  animation: blink 0.8s step-end infinite;
  vertical-align: middle;
  margin-left: 1px;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* Scan UI */
.scan-ui { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; width: 100%; }
.scan-ring {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--cyan-dim);
  border: 2px solid var(--cyan);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 18px rgba(0,229,255,0.25);
  animation: scanPulse 2s ease-in-out infinite;
}
@keyframes scanPulse {
  0%,100% { box-shadow: 0 0 18px rgba(0,229,255,0.25); }
  50%      { box-shadow: 0 0 32px rgba(0,229,255,0.52); }
}
.scan-ring__inner svg { width: 22px; height: 22px; color: var(--cyan); }
.scan-status { font-size: 0.62rem; color: var(--text-2); text-align: center; min-height: 1em; }
.scan-progress { width: 86%; height: 3px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.scan-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
  border-radius: 4px;
  width: 0%;
  transition: width 0.3s ease;
}
.scan-checks { display: flex; flex-direction: column; gap: 0.28rem; width: 86%; }
.scan-check {
  display: flex;
  align-items: center;
  gap: 0.32rem;
  font-size: 0.6rem;
  color: var(--text-3);
  padding: 0.26rem 0.42rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: color var(--transition);
}
.scan-check svg { width: 10px; height: 10px; flex-shrink: 0; }
.scan-check.done { color: var(--cyan); }
.spin { animation: spinAnim 1s linear infinite; }
@keyframes spinAnim { to { transform: rotate(360deg); } }

/* Report UI */
.report-ui { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; width: 100%; }
.report-verdict {
  display: flex;
  align-items: center;
  gap: 0.32rem;
  padding: 0.32rem 0.85rem;
  border-radius: var(--radius-full);
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.report-verdict--safe {
  background: rgba(0,229,100,0.1);
  border: 1px solid rgba(0,229,100,0.26);
  color: #00E564;
}
.report-verdict svg { width: 11px; height: 11px; }
.report-score { display: flex; flex-direction: column; align-items: center; gap: 0.12rem; }
.report-score p { font-size: 0.56rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; }
.score-ring { position: relative; width: 48px; height: 48px; }
.score-ring svg { transform: rotate(-90deg); }
.score-ring__bg   { fill: none; stroke: var(--surface-2); stroke-width: 4; }
.score-ring__fill {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 157;
  stroke-dashoffset: 157;
  transition: stroke-dashoffset 1.5s ease;
}
.score-ring__number {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 800;
}
.report-rows { display: flex; flex-direction: column; gap: 0.26rem; width: 90%; }
.report-row {
  display: flex;
  align-items: center;
  gap: 0.32rem;
  font-size: 0.58rem;
  color: var(--text-2);
  padding: 0.26rem 0.42rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
}
.report-row svg { width: 10px; height: 10px; flex-shrink: 0; color: var(--text-3); }
.report-row__ok { margin-left: auto; color: #00E564 !important; }

/* ══════════════════════════
   FEATURES
══════════════════════════ */
.features { padding: var(--section) 0; background: var(--bg-2); }

.features__grid { display: grid; grid-template-columns: 1fr; gap: 0.8rem; }
.feature-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover { border-color: var(--border-2); transform: translateY(-2px); }
.feature-card:hover .feature-card__glow { opacity: 1; }
.feature-card__glow {
  position: absolute;
  inset: -1px;
  background: radial-gradient(ellipse at top left, var(--cyan-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.feature-card__icon {
  width: 38px; height: 38px;
  background: var(--cyan-dim);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.8rem;
}
.feature-card__icon svg { width: 17px; height: 17px; color: var(--cyan); }
.feature-card h3 { font-family: var(--font-head); font-size: 0.97rem; font-weight: 700; margin-bottom: 0.38rem; }
.feature-card p  { font-size: 0.84rem; color: var(--text-2); line-height: 1.65; }

/* ══════════════════════════
   PRICING
══════════════════════════ */
.pricing { padding: var(--section) 0; }

.pricing__grid { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 960px; margin-inline: auto; }
.pricing-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  transition: transform var(--transition), border-color var(--transition);
}
.pricing-card:hover { transform: translateY(-3px); }
.pricing-card--featured {
  border-color: var(--cyan);
  background: linear-gradient(135deg, rgba(0,229,255,0.05), var(--bg-3));
  box-shadow: var(--shadow-glow);
}
.pricing-card__badge {
  position: absolute;
  top: -1px; left: 50%; transform: translateX(-50%);
  background: var(--cyan);
  color: #020810;
  font-family: var(--font-head);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.75rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.pricing-card__tier {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}
.pricing-card__price { display: flex; align-items: baseline; gap: 0.3rem; }
.pricing-card__amount {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
}
.pricing-card__period { font-size: 0.86rem; color: var(--text-3); }
.pricing-card__features { display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.pricing-card__features li {
  display: flex; align-items: center; gap: 0.48rem; font-size: 0.86rem;
}
.pricing-card__features li svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--cyan); }
.pricing-card__features li.disabled { color: var(--text-3); }
.pricing-card__features li.disabled svg { color: var(--text-3); }

/* ══════════════════════════
   TESTIMONIALS
══════════════════════════ */
.testimonials { padding: var(--section) 0; background: var(--bg-2); }

.testimonials__grid { display: grid; grid-template-columns: 1fr; gap: 0.9rem; }
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: border-color var(--transition), transform var(--transition);
}
.testimonial-card:hover { border-color: var(--border-2); transform: translateY(-2px); }
.testimonial-card--accent {
  border-color: rgba(0,229,255,0.14);
  background: linear-gradient(135deg, rgba(0,229,255,0.03), var(--surface));
}
.testimonial-card__stars { display: flex; gap: 3px; }
.testimonial-card__stars svg { width: 13px; height: 13px; color: #F59E0B; fill: #F59E0B; }
.testimonial-card p { font-size: 0.88rem; color: var(--text-2); line-height: 1.7; flex: 1; }
.testimonial-card__author { display: flex; align-items: center; gap: 0.65rem; }
.testimonial-card__author strong { display: block; font-size: 0.87rem; color: var(--text-1); }
.testimonial-card__author span   { font-size: 0.74rem; color: var(--text-3); }
.testimonial-card__avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--indigo), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}

/* ══════════════════════════
   FAQ
══════════════════════════ */
.faq { padding: var(--section) 0; }
.faq__list { max-width: 700px; margin-inline: auto; display: flex; flex-direction: column; gap: 0.6rem; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: var(--border-2); }
.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-1);
  user-select: none;
  transition: color var(--transition);
}
.faq-item__q:hover { color: var(--cyan); }
.faq-item__icon {
  width: 16px; height: 16px;
  color: var(--text-3);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] .faq-item__icon { transform: rotate(180deg); }
.faq-item__a { padding: 0 1.1rem 1rem; }
.faq-item__a p { font-size: 0.87rem; color: var(--text-2); line-height: 1.75; }

/* ══════════════════════════
   CTA SECTION
══════════════════════════ */
.cta-section { padding: var(--section) 0; }
.cta-inner {
  position: relative;
  text-align: center;
  padding: 2.5rem 1.25rem;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(0,229,255,0.05), rgba(99,102,241,0.05));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}
.cta-inner__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center top, rgba(0,229,255,0.09), transparent 60%);
  pointer-events: none;
}
.cta-icon {
  width: 42px; height: 42px;
  color: var(--cyan);
  filter: drop-shadow(0 0 13px rgba(0,229,255,0.55));
}
.cta-title {
  font-family: var(--font-head);
  font-size: clamp(1.45rem, 6vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.cta-section p { color: var(--text-2); font-size: 0.93rem; }

/* ══════════════════════════
   FOOTER
══════════════════════════ */
.footer { background: var(--bg-2); border-top: 1px solid var(--border); padding-top: 2.75rem; }
.footer__inner { display: flex; flex-direction: column; gap: 2rem; padding-bottom: 2.25rem; }
.footer__logo  { margin-bottom: 0.35rem; }
.footer__brand p { font-size: 0.83rem; color: var(--text-2); line-height: 1.65; }
.footer__socials { display: flex; gap: 0.6rem; margin-top: 0.8rem; }
.footer__socials a {
  width: 33px; height: 33px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  transition: color var(--transition), border-color var(--transition);
}
.footer__socials a:hover { color: var(--cyan); border-color: var(--border-2); }
.footer__socials svg { width: 14px; height: 14px; }

.footer__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem 0.75rem; }
.footer__col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__col h4 {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.1rem;
}
.footer__col a { font-size: 0.84rem; color: var(--text-2); transition: color var(--transition); }
.footer__col a:hover { color: var(--text-1); }

.footer__bottom { border-top: 1px solid var(--border); padding: 1rem 0; }
.footer__bottom .container {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  align-items: center;
  text-align: center;
}
.footer__bottom p { font-size: 0.73rem; color: var(--text-3); }

/* ══════════════════════════
   BACK TO TOP
══════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 1.25rem; right: 1.25rem;
  z-index: 800;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-1);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), border-color var(--transition);
  pointer-events: none;
}
.back-to-top[hidden] { display: none; }
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover   { border-color: var(--cyan); color: var(--cyan); }
.back-to-top svg     { width: 16px; height: 16px; }

/* ══════════════════════════
   480px — PHABLET
══════════════════════════ */
@media (min-width: 480px) {
  :root { --gutter: 1.5rem; }

  .hero__actions { flex-direction: row; flex-wrap: wrap; }
  .hero__actions .btn { width: auto; }

  .phone-frame { width: 215px; height: 430px; }
}

/* ══════════════════════════
   640px — TABLET
══════════════════════════ */
@media (min-width: 640px) {
  :root { --gutter: 1.75rem; --section: 5rem; }

  .hero { padding: 8rem 0 4.5rem; }
  .hero__subtitle { font-size: 1rem; }

  /* Stats: row layout with dividers */
  .hero__stats { display: flex; align-items: center; gap: 2rem; }
  .stat__divider { display: block; width: 1px; height: 32px; background: var(--border); }
  .stat__number  { font-size: 1.75rem; }

  .features__grid { grid-template-columns: 1fr 1fr; }
  .feature-card--large { grid-column: span 2; }

  .testimonials__grid { grid-template-columns: 1fr 1fr; }
  .testimonials__grid .testimonial-card:last-child { grid-column: span 2; }

  .phone-frame { width: 235px; height: 470px; }
}

/* ══════════════════════════
   900px — DESKTOP
══════════════════════════ */
@media (min-width: 900px) {
  :root { --gutter: 2.5rem; --section: 6.5rem; }

  .nav__links { display: flex; }
  .nav__cta   { display: inline-flex; }
  .nav__burger { display: none; }

  .hero { padding: 9rem 0 5rem; }
  .hero__subtitle { font-size: 1.1rem; max-width: 560px; }

  .how__step {
    flex-direction: row;
    gap: 5rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6rem;
  }
  .how__step--reverse { flex-direction: row-reverse; }
  .how__content { max-width: 460px; flex-shrink: 0; }
  .how__step-title { font-size: 1.85rem; }
  .how__step-desc  { font-size: 1rem; }
  .how__mockup { justify-content: flex-end; }
  .how__step--reverse .how__mockup { justify-content: flex-start; }

  .features__grid { grid-template-columns: 1fr 1fr 1fr; }
  .feature-card--large { grid-column: span 1; }
  .features__grid .feature-card:first-child { grid-column: span 2; }
  .features__grid .feature-card:last-child  { grid-column: span 2; }

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

  .testimonials__grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials__grid .testimonial-card:last-child { grid-column: auto; }

  .section-header { margin-bottom: 3.5rem; }

  .cta-inner { padding: 5rem 3rem; }

  .footer__inner { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .footer__brand { max-width: 260px; }
  .footer__nav   { grid-template-columns: repeat(3, 1fr); }
  .footer__bottom .container { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ══════════════════════════
   ACCESSIBILITY
══════════════════════════ */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  [data-aos] { transition: none !important; }
}