/* TikTok — Get the app / watch short videos */

:root {
  --tt-black: #010101;
  --tt-muted: #8a8b91;
  --tt-line: rgba(255, 255, 255, 0.12);
  --tt-surface: #121212;
  --tt-surface-2: #1c1c1c;
  --tt-white: #ffffff;
  --tt-red: #fe2c55;
  --tt-red-deep: #e11d48;
  --tt-cyan: #25f4ee;
  --tt-cyan-soft: rgba(37, 244, 238, 0.15);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --nav-h: 64px;
  --max: 1080px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--tt-white);
  background: var(--tt-black);
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Logo —— */
.tt-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.tt-note {
  width: 28px;
  height: 28px;
  position: relative;
  flex-shrink: 0;
}

.tt-note svg {
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
  z-index: 2;
}

.tt-note::before,
.tt-note::after {
  content: "";
  position: absolute;
  inset: 0;
  background: center / contain no-repeat;
  z-index: 1;
  opacity: 0.95;
}

.tt-note::before {
  transform: translate(-2px, 1px);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2325F4EE' d='M19.59 6.69a4.83 4.83 0 0 1-3.77-4.25V2h-3.45v13.67a2.89 2.89 0 0 1-2.88 2.5 2.89 2.89 0 0 1-2.88-2.88 2.89 2.89 0 0 1 2.88-2.88c.28 0 .56.04.82.12v-3.57a6.27 6.27 0 0 0-.82-.05A6.34 6.34 0 0 0 3.15 15.2a6.34 6.34 0 0 0 6.34 6.34 6.34 6.34 0 0 0 6.34-6.34V8.73a8.18 8.18 0 0 0 4.76 1.52V6.8a4.84 4.84 0 0 1-1-.11z'/%3E%3C/svg%3E");
}

.tt-note::after {
  transform: translate(2px, -1px);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23FE2C55' d='M19.59 6.69a4.83 4.83 0 0 1-3.77-4.25V2h-3.45v13.67a2.89 2.89 0 0 1-2.88 2.5 2.89 2.89 0 0 1-2.88-2.88 2.89 2.89 0 0 1 2.88-2.88c.28 0 .56.04.82.12v-3.57a6.27 6.27 0 0 0-.82-.05A6.34 6.34 0 0 0 3.15 15.2a6.34 6.34 0 0 0 6.34 6.34 6.34 6.34 0 0 0 6.34-6.34V8.73a8.18 8.18 0 0 0 4.76 1.52V6.8a4.84 4.84 0 0 1-1-.11z'/%3E%3C/svg%3E");
}

.tt-wordmark {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.045em;
  color: var(--tt-white);
  line-height: 1;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(1, 1, 1, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--tt-line);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 0.4rem 0.7rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--tt-white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a.active {
  color: var(--tt-cyan);
}

.nav-cta {
  background: var(--tt-red) !important;
  color: var(--tt-white) !important;
  font-weight: 700 !important;
  border-radius: 4px !important;
  padding: 0.5rem 1rem !important;
  margin-left: 0.35rem;
}

.nav-cta:hover,
.nav-cta.active {
  background: var(--tt-red-deep) !important;
  color: var(--tt-white) !important;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--tt-line);
  border-radius: 4px;
  background: var(--tt-surface);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--tt-white);
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  border-radius: 4px;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s, filter 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--tt-red);
  color: var(--tt-white);
}

.btn-primary:hover {
  background: var(--tt-red-deep);
}

.btn-cyan {
  background: var(--tt-cyan);
  color: var(--tt-black);
}

.btn-cyan:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  color: var(--tt-white);
  border: 1px solid var(--tt-line);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.btn-store {
  background: var(--tt-white);
  color: var(--tt-black);
  min-width: 180px;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  padding: 0.75rem 1.15rem;
  text-align: left;
}

.btn-store small {
  font-size: 0.68rem;
  font-weight: 500;
  opacity: 0.65;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-store strong {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.btn-store:hover {
  filter: brightness(0.94);
}

/* —— Hero —— */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 3.5rem 0 4.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 85% 15%, rgba(37, 244, 238, 0.2), transparent 55%),
    radial-gradient(ellipse 45% 50% at 10% 75%, rgba(254, 44, 85, 0.22), transparent 50%),
    radial-gradient(ellipse 40% 30% at 50% 100%, rgba(37, 244, 238, 0.08), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy {
  max-width: 540px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--tt-line);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--tt-cyan);
  margin-bottom: 1.35rem;
  animation: rise-in 0.7s ease both;
}

.hero h1 {
  font-size: clamp(2.5rem, 6.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.05;
  margin-bottom: 1rem;
  animation: rise-in 0.7s ease 0.06s both;
}

.hero h1 .accent-cyan {
  color: var(--tt-cyan);
  text-shadow: 2px 0 0 rgba(254, 44, 85, 0.5);
}

.hero h1 .accent-red {
  color: var(--tt-red);
  text-shadow: -2px 0 0 rgba(37, 244, 238, 0.4);
}

.hero-lead {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1.85rem;
  max-width: 30rem;
  animation: rise-in 0.7s ease 0.12s both;
}

.store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  animation: rise-in 0.7s ease 0.18s both;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--tt-muted);
  animation: rise-in 0.7s ease 0.22s both;
}

.hero-note a {
  color: var(--tt-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Phone mock */
.phone-wrap {
  display: flex;
  justify-content: center;
  animation: float-soft 7s ease-in-out infinite;
}

.phone {
  width: min(100%, 280px);
  aspect-ratio: 9 / 19;
  border-radius: 36px;
  background: #0a0a0a;
  border: 3px solid #2a2a2a;
  box-shadow:
    0 0 0 1px #111,
    0 30px 60px rgba(0, 0, 0, 0.55),
    inset 0 0 0 2px #1a1a1a;
  position: relative;
  overflow: hidden;
}

.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 38%;
  height: 22px;
  background: #010101;
  border-radius: 14px;
  z-index: 3;
}

.phone-screen {
  position: absolute;
  inset: 8px;
  border-radius: 28px;
  overflow: hidden;
  background: #0a0a0a;
}

.phone-screen-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.phone-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.15) 0%,
    transparent 35%,
    rgba(0, 0, 0, 0.55) 70%,
    rgba(0, 0, 0, 0.85) 100%
  );
  pointer-events: none;
}

.phone-feed {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem 1rem 2rem;
  color: #fff;
}

.phone-feed .tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--tt-cyan);
  margin-bottom: 0.35rem;
}

.phone-feed strong {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.phone-feed p {
  font-size: 0.78rem;
  opacity: 0.75;
  line-height: 1.4;
}

.phone-side {
  position: absolute;
  right: 0.75rem;
  bottom: 4.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  z-index: 3;
}

.phone-side span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
}

/* —— Page hero —— */
.page-hero {
  padding: 3rem 0 1.75rem;
  text-align: center;
}

.page-hero .eyebrow {
  color: var(--tt-cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.65rem;
  animation: rise-in 0.6s ease both;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.6);
  max-width: 34rem;
  margin-inline: auto;
  font-size: 1.05rem;
  animation: rise-in 0.6s ease 0.06s both;
}

/* —— Sections —— */
.section {
  padding: 4rem 0;
}

.section-head {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 0.55rem;
}

.section-head p {
  color: rgba(255, 255, 255, 0.55);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature {
  background: var(--tt-surface);
  border: 1px solid var(--tt-line);
  border-radius: 10px;
  padding: 1.5rem 1.25rem;
  transition: border-color 0.2s, transform 0.2s;
}

.feature:hover {
  border-color: rgba(37, 244, 238, 0.35);
  transform: translateY(-3px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--tt-cyan-soft);
  color: var(--tt-cyan);
}

.feature:nth-child(2) .feature-icon,
.feature:nth-child(5) .feature-icon {
  background: rgba(254, 44, 85, 0.15);
  color: var(--tt-red);
}

.feature h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.feature p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.55);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  text-align: center;
  padding: 1.5rem 1rem;
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--tt-cyan), var(--tt-red));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.step p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Platform cards */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.platform-card {
  background: var(--tt-surface);
  border: 1px solid var(--tt-line);
  border-radius: 12px;
  padding: 1.75rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color 0.2s, transform 0.2s;
}

.platform-card:hover {
  border-color: rgba(254, 44, 85, 0.4);
  transform: translateY(-3px);
}

.platform-card .plat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.08);
}

.platform-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.platform-card p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.55);
  flex: 1;
}

.platform-card .btn {
  align-self: flex-start;
  margin-top: 0.35rem;
}

.cta-band {
  margin: 1rem 0 3rem;
  padding: 2.75rem 1.75rem;
  border-radius: 12px;
  text-align: center;
  background:
    linear-gradient(120deg, rgba(254, 44, 85, 0.18), rgba(37, 244, 238, 0.12)),
    var(--tt-surface);
  border: 1px solid var(--tt-line);
}

.cta-band h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.45rem;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 1.35rem;
}

.cta-band .store-row {
  justify-content: center;
  margin-bottom: 0;
}

/* FAQ */
.faq-list {
  max-width: 680px;
  margin-inline: auto;
}

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

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 0;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--tt-cyan);
  font-weight: 400;
  font-size: 1.25rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item .faq-body {
  padding: 0 0 1.15rem;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.95rem;
}

/* About / Contact */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.about-prose p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.02rem;
}

.about-prose p + p {
  margin-top: 1rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--tt-line);
}

.stat strong {
  display: block;
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--tt-cyan);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat:nth-child(2) strong {
  color: var(--tt-red);
}

.stat span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
}

.visual-panel {
  border-radius: 12px;
  aspect-ratio: 4/5;
  max-height: 420px;
  background:
    linear-gradient(160deg, rgba(37, 244, 238, 0.25), transparent 50%),
    linear-gradient(320deg, rgba(254, 44, 85, 0.3), transparent 45%),
    #0a0a0a;
  border: 1px solid var(--tt-line);
  position: relative;
  overflow: hidden;
  animation: float-soft 7s ease-in-out infinite;
}

.visual-panel-inner {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.35rem;
}

.visual-panel-inner strong {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.visual-panel-inner span {
  opacity: 0.55;
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
}

.contact-info h2 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
}

.contact-info > p {
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 1.35rem;
}

.contact-meta {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.contact-meta strong {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tt-muted);
  margin-bottom: 0.15rem;
}

.contact-form {
  display: grid;
  gap: 0.95rem;
  background: var(--tt-surface);
  border: 1px solid var(--tt-line);
  border-radius: 12px;
  padding: 1.5rem;
}

.form-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--tt-line);
  border-radius: 4px;
  background: var(--tt-black);
  color: var(--tt-white);
  outline: none;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--tt-cyan);
}

.form-field select option {
  background: var(--tt-black);
}

.form-field textarea {
  min-height: 130px;
  resize: vertical;
}

.form-message {
  display: none;
  padding: 0.8rem 1rem;
  border-radius: 4px;
  background: var(--tt-cyan-soft);
  color: var(--tt-cyan);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-message.show {
  display: block;
  animation: rise-in 0.35s ease both;
}

.notice {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  background: rgba(37, 244, 238, 0.08);
  border: 1px solid rgba(37, 244, 238, 0.25);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--tt-line);
  padding: 2.75rem 0 1.75rem;
  background: #000;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  margin-bottom: 0.65rem;
}

.footer-desc {
  color: var(--tt-muted);
  font-size: 0.9rem;
  max-width: 16rem;
}

.footer-col h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tt-muted);
  margin-bottom: 0.75rem;
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.footer-col a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--tt-cyan);
}

.footer-bottom {
  padding-top: 1.35rem;
  border-top: 1px solid var(--tt-line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.65rem;
  font-size: 0.8rem;
  color: var(--tt-muted);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-soft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(1, 1, 1, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1.25rem;
    border-bottom: 1px solid var(--tt-line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links .nav-cta {
    text-align: center;
    margin: 0.5rem 0 0;
  }

  .hero-grid,
  .features,
  .steps,
  .platform-grid,
  .split,
  .contact-grid,
  .footer-grid,
  .stats-row {
    grid-template-columns: 1fr;
  }

  .phone-wrap {
    order: -1;
  }

  .phone {
    width: min(100%, 220px);
  }

  .visual-panel {
    max-height: 300px;
    aspect-ratio: 16/10;
  }
}

@media (max-width: 560px) {
  .store-row .btn-store {
    width: 100%;
  }
}