/* Get By — marketing site. Matches the app's warm-cream palette. */

:root {
  --page:      #fbf7f0;
  --page-warm: #f5efe4;
  --ink:       #1a1410;
  --ink-mute:  #5a4f43;
  --ink-dim:   #8a7f72;
  --line:      rgba(26, 20, 16, 0.08);
  --line-2:    rgba(26, 20, 16, 0.14);
  --cream:     #fef3e2;
  --dark:      #16110c;
  --accent:    #c86b3a; /* warm terracotta — similar to the Vietnamese/Spanish palette */
  --accent-2:  #b2541a;

  --serif: "Instrument Serif", "Crimson Pro", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono:  "JetBrains Mono", "SF Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent-2); }

/* ─── Header ─────────────────────────────────────────────────────────────── */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  max-width: 1080px;
  margin: 0 auto;
}
.nav-brand {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: -0.5px;
  color: var(--ink);
}
.nav-brand em { color: var(--accent); font-style: italic; }
.nav-links { display: flex; gap: 24px; font-size: 14px; font-weight: 500; }
.nav-links a.active { color: var(--accent-2); }
.nav-cta {
  background: var(--ink);
  color: var(--cream);
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--accent-2); color: var(--cream); }

@media (max-width: 640px) {
  .nav { padding: 16px 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ─── Hero ────────────────────────────────────────────────────────────────── */

.hero {
  max-width: 880px;
  margin: 40px auto 20px;
  padding: 0 28px;
  text-align: center;
}
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-dim);
  font-weight: 600;
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin: 14px 0 16px;
}
.hero-title em { color: var(--accent); font-style: italic; }
.hero-sub {
  font-size: 18px;
  color: var(--ink-mute);
  max-width: 560px;
  margin: 0 auto 28px;
}
.hero-cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--ink); color: var(--cream); }
.btn-primary:hover { background: var(--accent-2); color: var(--cream); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-2); }
.btn-ghost:hover { background: var(--page-warm); color: var(--ink); }

/* ─── Sections ────────────────────────────────────────────────────────────── */

.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 28px;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.5px;
  margin: 0 0 8px;
}
.section-sub {
  color: var(--ink-mute);
  margin-bottom: 28px;
}

/* Language grid on Home */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 24px;
}

@media (max-width: 720px) {
  .lang-grid { grid-template-columns: repeat(5, 1fr); gap: 6px; }
}

@media (max-width: 480px) {
  .lang-grid { grid-template-columns: repeat(5, 1fr); gap: 5px; }
}

.lang-card {
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 14px 10px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  user-select: none;
}
.lang-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(26,20,16,0.08);
}
.lang-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200,107,58,0.15);
}
.lang-card .flag-img {
  width: 36px;
  height: auto;
  display: block;
  margin: 0 auto 6px;
  border-radius: 3px;
  box-shadow: 0 1px 4px rgba(26,20,16,0.15);
}
.lang-card .name {
  font-family: var(--serif);
  font-size: 14px;
  margin-top: 6px;
  letter-spacing: -0.2px;
}
.lang-card .native {
  font-size: 10px;
  color: var(--ink-dim);
  margin-top: 2px;
}

/* Feature row */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.feature {
  padding: 22px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
}
.feature h3 {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.3px;
  margin: 0 0 8px;
}
.feature p { margin: 0; color: var(--ink-mute); font-size: 14px; line-height: 1.55; }

/* "Not Duolingo" callout */
.not-box {
  background: var(--dark);
  color: var(--cream);
  border-radius: 20px;
  padding: 40px 32px;
  margin: 28px 0;
}
.not-box h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 38px);
  letter-spacing: -0.5px;
  margin: 0 0 16px;
}
.not-box h2 em { color: var(--accent); font-style: italic; }
.not-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 14px;
}
.not-item {
  padding: 14px 16px;
  background: rgba(254, 243, 226, 0.06);
  border-radius: 12px;
  font-size: 14px;
  color: rgba(254, 243, 226, 0.85);
}
.not-item strong { color: var(--cream); font-weight: 600; }

/* ─── Pricing ─────────────────────────────────────────────────────────────── */

.price-tabs {
  display: inline-flex;
  padding: 4px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 100px;
  margin: 0 auto 28px;
  gap: 2px;
}
.price-tabs button {
  background: transparent;
  border: none;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink-mute);
}
.price-tabs button.active {
  background: var(--ink);
  color: var(--cream);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 24px;
  position: relative;
}
.price-card.featured {
  background: var(--dark);
  color: var(--cream);
  border-color: var(--dark);
}
.price-card .tier {
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 8px;
}
.price-card.featured .tier { color: var(--accent); }
.price-card .amount {
  font-family: var(--serif);
  font-size: 48px;
  letter-spacing: -1.5px;
  line-height: 1;
}
.price-card .amount .unit {
  font-size: 14px;
  color: var(--ink-dim);
  letter-spacing: 0;
  font-family: var(--sans);
}
.price-card.featured .amount .unit { color: rgba(254, 243, 226, 0.55); }
.price-card .save {
  display: inline-block;
  margin-top: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(200, 107, 58, 0.12);
  padding: 3px 8px;
  border-radius: 100px;
}
.price-card.featured .save { background: rgba(200, 107, 58, 0.18); color: var(--accent); }
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 22px 0 24px;
}
.price-card li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--ink-mute);
}
.price-card.featured li { color: rgba(254, 243, 226, 0.78); }
.price-card li::before { content: "✓  "; color: var(--accent-2); font-weight: 700; }
.price-card.featured li::before { color: var(--accent); }

.price-card .btn-primary { width: 100%; justify-content: center; }

/* ─── Screenshot carousel (demo page) ────────────────────────────────────── */

.ss-carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin: 32px 0 20px;
}

.ss-arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  background: #fff;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}
.ss-arrow:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); }

.ss-stage { text-align: center; }

.ss-phone {
  width: 280px;
  background: var(--dark);
  border-radius: 38px;
  border: 6px solid #1e1610;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 20px 40px rgba(26,20,16,0.22);
  overflow: hidden;
  margin: 0 auto;
}

.ss-notch {
  width: 80px;
  height: 18px;
  background: var(--dark);
  border-radius: 0 0 10px 10px;
  margin: 0 auto;
}

.ss-screen { overflow: hidden; }
.ss-screen img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.2s ease;
}
.ss-screen img.fade { opacity: 0; }

.ss-lang {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.ss-lang img { width: 22px; height: auto; border-radius: 2px; box-shadow: 0 1px 3px rgba(26,20,16,0.12); }
.ss-lang span { font-family: var(--serif); font-size: 16px; letter-spacing: -0.2px; }

.ss-dots {
  display: flex;
  justify-content: center;
  gap: 7px;
  margin-top: 20px;
}
.ss-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: none;
  background: var(--line-2);
  cursor: pointer;
  padding: 0;
  transition: background 0.15s, transform 0.15s;
}
.ss-dot.active { background: var(--accent); transform: scale(1.3); }

/* ─── Demo page ───────────────────────────────────────────────────────────── */

.demo-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.demo-row:last-child { border-bottom: none; }
.demo-row .label {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.5px;
}
.demo-row .label span {
  display: block;
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--ink-dim);
  font-family: var(--sans);
  margin-bottom: 4px;
}
.demo-row .copy {
  font-size: 15px;
  color: var(--ink-mute);
  line-height: 1.6;
}
.demo-row .copy strong { color: var(--ink); font-weight: 600; }

@media (max-width: 640px) {
  .demo-row { grid-template-columns: 1fr; gap: 12px; padding: 22px 0; }
}

/* ─── Contact ─────────────────────────────────────────────────────────────── */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; gap: 20px; } }

.contact-info li {
  list-style: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.contact-info li:last-child { border-bottom: none; }
.contact-info .addr {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink);
}
.contact-info .what {
  font-size: 12px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 4px;
}

.form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
}
.form label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--ink-dim);
  margin-bottom: 6px;
  margin-top: 14px;
}
.form label:first-of-type { margin-top: 0; }
.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--page);
}
.form textarea { min-height: 120px; resize: vertical; }
.form input:focus,
.form textarea:focus,
.form select:focus { outline: none; border-color: var(--accent); }
.form button {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}
.form .status { font-size: 13px; margin-top: 14px; min-height: 18px; }
.form .status.ok { color: #2f7d32; }
.form .status.err { color: #a8321c; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */

.footer {
  border-top: 1px solid var(--line);
  margin-top: 60px;
  padding: 28px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-dim);
}
.footer a { color: var(--ink-dim); margin: 0 8px; }
.footer a:hover { color: var(--ink); }

/* ─── Hero split layout (home page) ──────────────────────────────────────── */

.hero--split {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 80px;
  align-items: center;
  text-align: left;
  max-width: 1080px;
  margin: 0 auto;
  padding: 60px 28px 80px;
}

.hero--split .hero-eyebrow { text-align: left; }
.hero--split .hero-cta-row { justify-content: flex-start; }

@media (max-width: 880px) {
  .hero--split {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 48px 28px 40px;
    gap: 40px;
  }
  .hero--split .hero-eyebrow { text-align: center; }
  .hero--split .hero-cta-row { justify-content: center; }
}

/* ─── Phone mockup ───────────────────────────────────────────────────────── */

.phone-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 20px 50px 20px 20px;
}

.phone-shell {
  width: 260px;
  background: var(--dark);
  border-radius: 44px;
  border: 7px solid #1e1610;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.07),
    0 32px 64px rgba(26,20,16,0.28),
    0 8px 24px rgba(26,20,16,0.12);
  overflow: hidden;
  position: relative;
  transform: rotate(3deg);
  animation: phone-float 5s ease-in-out infinite;
}

@keyframes phone-float {
  0%, 100% { transform: rotate(3deg) translateY(0); }
  50%       { transform: rotate(3deg) translateY(-10px); }
}

.phone-notch {
  width: 90px;
  height: 24px;
  background: var(--dark);
  border-radius: 0 0 16px 16px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.phone-screen {
  background: var(--page);
  overflow: hidden;
}

.app-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  background: var(--page);
  border-bottom: 1px solid var(--line);
}

.ab-flag { font-size: 16px; line-height: 1; }
.ab-lang {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: -0.2px;
  color: var(--ink);
  flex: 1;
}
.ab-count {
  font-size: 9px;
  color: var(--ink-dim);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.phrase-item {
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
}

.phrase-item.active { background: rgba(200,107,58,0.05); }

.p-target {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: -0.2px;
  color: var(--ink);
  line-height: 1.2;
}

.p-en {
  font-size: 10px;
  color: var(--ink-dim);
  margin-top: 2px;
}

.p-controls {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 7px;
}

.p-play {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--cream);
  border: none;
  font-size: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding-left: 2px;
}

.p-rom {
  font-size: 10px;
  color: var(--ink-mute);
  font-family: var(--mono);
  flex: 1;
}

.p-score {
  font-size: 10px;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  padding: 2px 7px;
  border-radius: 100px;
}

.phone-glow {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,107,58,0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
}

.score-float {
  position: absolute;
  right: 0;
  bottom: 90px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 16px;
  box-shadow: 0 8px 28px rgba(26,20,16,0.1), 0 2px 8px rgba(26,20,16,0.06);
  min-width: 130px;
  z-index: 10;
  animation: badge-float 5s ease-in-out infinite 0.6s;
}

@keyframes badge-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.sf-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--ink-dim);
  font-weight: 700;
}

.sf-number {
  font-family: var(--serif);
  font-size: 34px;
  letter-spacing: -1px;
  line-height: 1;
  margin: 3px 0 8px;
  color: var(--ink);
}

.sf-number span {
  font-size: 13px;
  color: var(--ink-dim);
  font-family: var(--sans);
  letter-spacing: 0;
}

.score-bar {
  height: 4px;
  background: var(--line);
  border-radius: 100px;
  overflow: hidden;
}

.score-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 100px;
  width: 87%;
}

@media (max-width: 880px) {
  .phone-wrap { padding: 0; }
  .score-float { display: none; }
}

/* ─── Section bands (full-bleed backgrounds) ─────────────────────────────── */

.band { width: 100%; }
.band--white { background: #fff; }
.band--warm  { background: var(--page-warm); }

/* ─── Scroll-reveal animations ───────────────────────────────────────────── */

.anim {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.anim.in {
  opacity: 1;
  transform: none;
}

/* ─── Phone screen screenshot image ──────────────────────────────────────── */

.phone-screen-img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.25s ease;
}

.phone-screen-img.fade { opacity: 0; }

/* ─── Not-box texture ─────────────────────────────────────────────────────── */

.not-box {
  position: relative;
  overflow: hidden;
}

.not-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

/* ─── Mobile hamburger nav ───────────────────────────────────────────────── */

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--page);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  font-family: var(--serif);
  font-size: 34px;
  letter-spacing: -0.5px;
  color: var(--ink);
}

.nav-mobile a:hover { color: var(--accent); }

.nav-close {
  position: absolute;
  top: 22px;
  right: 26px;
  background: none;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: var(--ink-mute);
  line-height: 1;
}