/* ============================================================
   TripDrop — Cinematic dark theme
   Typography: Clash Display (display) + General Sans (body)
   Palette: Deep navy / teal accent / coral savings
   ============================================================ */

:root {
  --bg:          #060918;
  --bg-elevated: #0C1029;
  --bg-card:     #111638;
  --bg-card-hover: #161d48;

  --accent:      #0EA5E9;
  --accent-dark: #0284C7;
  --coral:       #FF6B6B;
  --coral-dark:  #EF4444;
  --success:     #10B981;
  --amber:       #F59E0B;

  --text:        #ECF0FF;
  --text-muted:  #7B88AD;
  --text-dim:    #4A5578;

  --border:      rgba(255,255,255,0.06);
  --glass:       rgba(255,255,255,0.04);
  --glass-border:rgba(255,255,255,0.08);

  --font-display: "Clash Display", system-ui, sans-serif;
  --font-body:    "General Sans", system-ui, sans-serif;

  --ease:      cubic-bezier(0.22,1,0.36,1);
  --ease-snap: cubic-bezier(0.16,1,0.3,1);
  --dur:       0.65s;
  --dur-fast:  0.35s;

  --container: min(92vw, 1180px);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

/* ---- Grain ---- */
.grain {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(1.6rem);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Shared section atoms ---- */
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.5vw, 2.4rem);
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: var(--text);
  margin: 0 0 1rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.92rem; font-weight: 600;
  text-decoration: none; border: none; border-radius: 0.6rem;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast);
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn--accent {
  background: var(--coral);
  color: #fff;
  box-shadow: 0 4px 24px rgba(255,107,107,0.3);
}
.btn--accent:hover {
  background: var(--coral-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,107,107,0.35);
}

.btn--glass {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
}
.btn--glass:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}

.btn--full { width: 100%; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 1rem 0;
  background: transparent;
  transition: background var(--dur-fast), box-shadow var(--dur-fast), padding var(--dur-fast);
}
.nav.scrolled {
  background: rgba(6,9,24,0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
  padding: 0.65rem 0;
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex; align-items: center; gap: 2rem;
}

.nav__logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.15rem;
  color: var(--text); text-decoration: none;
  letter-spacing: -0.02em;
}
.nav__logo-img {
  width: 32px; height: 32px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 22%;
}

.nav__links {
  display: flex; gap: 1.8rem; margin-left: auto;
}
.nav__links a {
  font-size: 0.88rem; font-weight: 500;
  color: var(--text-muted); text-decoration: none;
  transition: color var(--dur-fast);
}
.nav__links a:hover { color: var(--text); }

.nav__cta {
  font-family: var(--font-body);
  font-size: 0.82rem; font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: 0.5rem;
  background: var(--accent);
  color: #fff; text-decoration: none;
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.nav__cta:hover { background: var(--accent-dark); transform: translateY(-1px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center;
  padding: 6.5rem 1.5rem 4rem;
  overflow: hidden;
}

.hero__glow {
  position: absolute; border-radius: 50%;
  filter: blur(100px); pointer-events: none;
}
.hero__glow--1 {
  width: 55vmax; height: 55vmax;
  top: -18%; right: -12%;
  background: rgba(14,165,233,0.13);
  animation: glow-drift 16s var(--ease) infinite;
}
.hero__glow--2 {
  width: 40vmax; height: 40vmax;
  bottom: -12%; left: -8%;
  background: rgba(255,107,107,0.08);
  animation: glow-drift 20s var(--ease) infinite reverse;
}

@keyframes glow-drift {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(2%,-3%) scale(1.04); }
  66% { transform: translate(-1.5%,2%) scale(0.97); }
}

.hero__grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero__content {
  position: relative; z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

.hero__eyebrow {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 1.25rem;
}

.hero__highlight {
  color: var(--coral);
  position: relative;
}

.hero__sub {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 30rem;
  margin: 0 0 2rem;
}

.hero__actions {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
}

/* Hero phone */
.hero__phone {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero__phone img {
  width: min(300px, 60vw);
  border-radius: 1.6rem;
  filter: drop-shadow(0 32px 64px rgba(0,0,0,0.5));
  animation: phone-float 5s var(--ease) infinite;
  position: relative; z-index: 1;
}
.hero__phone-glow {
  position: absolute;
  width: 70%; height: 60%;
  top: 20%; left: 15%;
  background: radial-gradient(circle, rgba(14,165,233,0.18) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
}

@keyframes phone-float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  position: relative;
  padding: 2.5rem 1.5rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
}

.stat { text-align: center; }

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  color: var(--text);
}

.stat__label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.stat__divider {
  width: 1px; height: 2.4rem;
  background: var(--border);
  flex-shrink: 0;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how {
  padding: 5rem 1.5rem;
}

.how__inner {
  max-width: var(--container);
  margin: 0 auto;
}

.how__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.how__step {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast);
}
.how__step:hover {
  transform: translateY(-4px);
  border-color: rgba(14,165,233,0.2);
}

.how__step-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: -0.04em;
  color: var(--accent);
  opacity: 0.35;
  margin-bottom: 0.75rem;
}

.how__step h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.how__step p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

/* ============================================================
   SHOWCASE
   ============================================================ */
.showcase {
  padding: 5rem 1.5rem 6rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.showcase__inner {
  max-width: var(--container);
  margin: 0 auto;
}

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.showcase__item {
  text-align: center;
}

.showcase__phone {
  position: relative;
  margin-bottom: 1.25rem;
}
.showcase__phone img {
  width: 100%;
  max-width: 220px;
  margin: 0 auto;
  border-radius: 1.2rem;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.45));
  transition: transform var(--dur) var(--ease), filter var(--dur);
}
.showcase__item:hover .showcase__phone img {
  transform: translateY(-8px) scale(1.03);
  filter: drop-shadow(0 28px 56px rgba(0,0,0,0.55));
}

.showcase__caption h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 0.3rem;
  color: var(--text);
}

.showcase__caption p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.45;
}

/* ============================================================
   PROOF
   ============================================================ */
.proof {
  padding: 6rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.proof__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 4rem;
}

.proof__phone {
  position: relative;
}
.proof__phone img {
  width: min(280px, 55vw);
  border-radius: 1.6rem;
  filter: drop-shadow(0 32px 64px rgba(0,0,0,0.5));
  position: relative; z-index: 1;
}
.proof__phone-glow {
  position: absolute;
  width: 100%; height: 70%;
  top: 15%; left: 0;
  background: radial-gradient(circle, rgba(255,107,107,0.12) 0%, transparent 65%);
  filter: blur(50px);
  z-index: 0;
}

.proof__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 1rem;
}

.proof__amount {
  color: var(--coral);
  font-size: 1.15em;
}

.proof__desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  max-width: 30rem;
}

/* ============================================================
   REVIEWS
   ============================================================ */
.reviews {
  padding: 5rem 1.5rem 6rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.reviews__inner {
  max-width: var(--container);
  margin: 0 auto;
}

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.review {
  margin: 0;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: border-color var(--dur-fast);
}
.review:hover { border-color: rgba(14,165,233,0.18); }

.review__stars {
  color: var(--amber);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.review__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 1.25rem;
  font-style: italic;
}

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

.review__avatar {
  width: 2.2rem; height: 2.2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #06B6D4);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700; color: #fff;
}

.review__author strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text);
}

.review__author span {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  position: relative;
  padding: 6rem 1.5rem;
  text-align: center;
  overflow: hidden;
}

.cta-section__glow {
  position: absolute;
  width: 50vmax; height: 50vmax;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}

.cta-section__inner {
  position: relative; z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.cta-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.025em;
  margin: 0 0 0.75rem;
}

.cta-section__sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 2.5rem;
}

.cta-section__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  text-align: left;
}

.cta-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
}

.cta-card__badge {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.cta-card__badge--muted { color: var(--text-dim); }

.cta-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0 0 1.25rem;
}

/* Waitlist form */
.waitlist { display: flex; flex-direction: column; gap: 0.5rem; }

.waitlist__row {
  display: flex; gap: 0.5rem;
}

.waitlist__row input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: 0.5rem;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.waitlist__row input::placeholder { color: var(--text-dim); }
.waitlist__row input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.07);
}

.waitlist__row .btn { flex-shrink: 0; }

.waitlist__msg {
  font-size: 0.82rem;
  margin: 0; min-height: 1.2em;
}
.waitlist__msg--ok { color: var(--success); }
.waitlist__msg--err { color: var(--coral); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 2.5rem 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer__brand {
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.footer__logo-img {
  width: 24px; height: 24px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 22%;
}

.footer__links {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 1.5rem;
  margin-left: auto;
}
.footer__links a {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--dur-fast);
}
.footer__links a:hover { color: var(--accent); }

.footer__copy {
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin: 1rem 0 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__text { order: 1; }
  .hero__phone { order: 2; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }

  .how__steps { grid-template-columns: 1fr; }
  .showcase__grid { grid-template-columns: 1fr 1fr; }

  .proof__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .proof__phone { justify-self: center; }
  .proof__desc { margin-left: auto; margin-right: auto; }
  .proof .btn { margin: 0 auto; }

  .reviews__grid { grid-template-columns: 1fr; }
  .cta-section__cards { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav__links, .nav__cta { display: none; }

  .hero { min-height: auto; padding-top: 5.5rem; padding-bottom: 3rem; }
  .hero__phone img { width: min(240px, 70vw); }

  .stats__inner { flex-direction: column; gap: 1.5rem; }
  .stat__divider { width: 3rem; height: 1px; }

  .showcase__grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .showcase__phone img { max-width: 160px; }

  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }

  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { margin-left: 0; }
}