:root {
  --bg: #edf5ff;
  --bg-soft: #dfeeff;
  --bg-tint: #f2fbff;
  --ink: #08142f;
  --muted: #365073;
  --brand: #1367d4;
  --brand-strong: #0d4ca0;
  --brand-soft: #5e9aeb;
  --brand-cyan: #21a5d8;
  --brand-teal: #2f8fb6;
  --brand-deep: #0a356e;
  --accent: #8ec6ff;
  --accent-ice: #b7e4ff;
  --accent-mist: #d7efff;
  --card: #ffffff;
  --line: rgba(13, 53, 112, 0.16);
  --shadow: 0 14px 34px rgba(11, 42, 87, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at 16% 12%, rgba(40, 133, 245, 0.24), transparent 44%),
    radial-gradient(circle at 72% 18%, rgba(33, 165, 216, 0.16), transparent 40%),
    radial-gradient(circle at 92% 88%, rgba(115, 185, 255, 0.24), transparent 46%),
    linear-gradient(145deg, var(--bg) 0%, var(--bg-soft) 58%, var(--bg-tint) 100%);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.5;
}

h1,
h2,
.brand-name {
  font-family: "Syne", sans-serif;
  margin: 0;
  letter-spacing: 0.01em;
}

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

.site-header,
main,
.site-footer {
  width: min(1080px, calc(100% - 2.2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.1rem;
  padding-top: 1.15rem;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.32rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 22px rgba(11, 42, 87, 0.1);
}

.site-nav a {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.52rem 0.9rem;
  transition: background-color 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  background: linear-gradient(145deg, rgba(19, 103, 212, 0.12), rgba(33, 165, 216, 0.14));
  color: var(--brand-strong);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-logo {
  display: block;
  height: 2.5rem;
  width: auto;
  object-fit: contain;
}

.brand-badge {
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(160deg, var(--brand), var(--brand-soft));
  font-family: "Syne", sans-serif;
  font-weight: 800;
}

.brand-name {
  font-weight: 700;
  font-size: 1.1rem;
}

main {
  padding-bottom: 2.5rem;
}

.top-logo-panel {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-top: 2.8rem;
  margin-bottom: 2rem;
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-radius: 0;
  background: linear-gradient(120deg, #0d4ca0 0%, #1367d4 44%, #21a5d8 100%);
  box-shadow: 0 18px 36px rgba(10, 53, 110, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.top-logo-image {
  width: min(1120px, calc(100% - 2.2rem));
  height: auto;
  max-height: 220px;
  object-fit: contain;
  display: block;
  transform: translateX(-100px);
}

.hero {
  margin-top: 2.8rem;
  max-width: 820px;
}

.kicker {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-strong);
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 4.3rem);
  line-height: 1;
  max-width: 12ch;
  margin-top: 0.35rem;
}

.hero-copy {
  margin-top: 1.25rem;
  font-size: clamp(1rem, 2.8vw, 1.22rem);
  color: var(--muted);
  max-width: 62ch;
}

.hero-copy-stack {
  margin-top: 0.75rem;
}

.hero-copy-stack .hero-copy {
  margin-top: 0;
}

.hero-copy-compact {
  margin-top: 0.45rem;
  font-size: clamp(0.95rem, 2.4vw, 1.1rem);
}

.hero-points {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.hero-points article {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.68rem 0.75rem;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.hero-glyph {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: "Syne", sans-serif;
  font-size: 0.78rem;
  background: linear-gradient(165deg, var(--brand), var(--brand-soft));
  box-shadow: 0 7px 12px rgba(13, 76, 160, 0.2);
}

.hero-points .value {
  margin: 0;
  font-family: "Syne", sans-serif;
  color: var(--brand-strong);
  font-size: 0.95rem;
}

.hero-points .label {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(160deg, var(--brand), var(--brand-strong));
  color: #fff;
  box-shadow: 0 10px 24px rgba(13, 76, 160, 0.28);
}

.btn-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.btn-outline {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.75);
}

.hero-highlights {
  margin-top: 1.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.hero-highlights article {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.8rem 0.85rem;
}

.hero-highlights .value {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: 1.05rem;
  color: var(--brand-strong);
}

.hero-highlights .label {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-showcase {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.85fr);
  gap: 1rem;
  align-items: stretch;
  background: linear-gradient(125deg, #f6fbff 0%, #eaf5ff 58%, #def0ff 100%);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  padding: 1rem;
}

.showcase-screen {
  margin: 0;
  min-height: 340px;
  border-radius: 1rem;
  border: 1px solid rgba(13, 53, 112, 0.2);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.95), rgba(206, 232, 255, 0.68));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.phone-frame {
  position: relative;
  width: min(100%, 320px);
  aspect-ratio: 9 / 19;
  border-radius: 2rem;
  border: 5px solid #0a356e;
  background: #08142f;
  padding: 0.45rem;
  box-shadow: 0 16px 32px rgba(8, 20, 47, 0.34);
  overflow: hidden;
}

.phone-notch {
  position: absolute;
  top: 0.35rem;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 0.5rem;
  border-radius: 999px;
  background: rgba(8, 20, 47, 0.95);
  z-index: 2;
}

.showcase-image {
  width: 100%;
  height: 100%;
  border-radius: 1.45rem;
  object-fit: cover;
}

.showcase-copy {
  border-radius: 1rem;
  border: 1px solid rgba(13, 53, 112, 0.16);
  background: rgba(255, 255, 255, 0.82);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.showcase-copy h2 {
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  line-height: 1.16;
}

.showcase-copy p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.split {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 1rem;
}

.split-copy,
.split-panel {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.split-copy h2 {
  font-size: clamp(1.4rem, 3.4vw, 2.2rem);
  line-height: 1.12;
  max-width: 20ch;
}

.split-copy p {
  color: var(--muted);
  margin-top: 0.75rem;
}

.split-panel ul {
  margin: 0.72rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.feature-grid {
  margin-top: 2.4rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.feature-card {
  width: min(100%, 760px);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.05rem;
  box-shadow: var(--shadow);
}

.feature-card:nth-child(odd) {
  justify-self: start;
}

.feature-card:nth-child(even) {
  justify-self: end;
}

.feature-card:nth-child(3n + 1) {
  border-top: 3px solid rgba(19, 103, 212, 0.36);
}

.feature-card:nth-child(3n + 2) {
  border-top: 3px solid rgba(33, 165, 216, 0.34);
}

.feature-card:nth-child(3n) {
  border-top: 3px solid rgba(142, 198, 255, 0.6);
}

.feature-card h2 {
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.screenshots {
  margin-top: 2.2rem;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.section-heading h2 {
  font-size: clamp(1.4rem, 3.3vw, 2rem);
  line-height: 1.15;
}

.section-heading p {
  color: var(--muted);
  margin-top: 0.7rem;
}

.screenshots-strip {
  margin-top: 2.2rem;
  padding: 0.8rem 0 0;
}

.flow-ribbon {
  margin-top: 1rem;
  padding: 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.flow-ribbon p {
  margin: 0;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.78);
}

.flow-ribbon span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  margin-right: 0.32rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(165deg, var(--brand), var(--brand-soft));
}

.screenshots-strip .btn {
  margin-top: 1rem;
}

.shot-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

.shot-card {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  padding: 0.75rem;
}

.shot-frame {
  height: 360px;
  border-radius: 0.7rem;
  border: 2px dashed rgba(19, 103, 212, 0.28);
  background: linear-gradient(165deg, #edf5ff, #d6e8ff);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #3a66a4;
  font-weight: 700;
}

.shot-card figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.tutorial-teaser {
  margin-top: 2.2rem;
  background: linear-gradient(145deg, #ffffff, #ebf6ff 62%, #e1f4ff 100%);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: var(--shadow);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.tutorial-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tutorial-teaser h2 {
  font-size: clamp(1.35rem, 3.1vw, 2rem);
  line-height: 1.14;
}

.tutorial-teaser p {
  color: var(--muted);
}

.release {
  margin-top: 1.9rem;
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 1rem;
}

.release-copy,
.release-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.release-copy h2 {
  font-size: clamp(1.5rem, 4.2vw, 2.25rem);
  line-height: 1.08;
}

.release-copy p {
  color: var(--muted);
  margin-top: 0.8rem;
}

.release-panel {
  background: linear-gradient(170deg, #f2f9ff, #e9f7ff 52%, #fff 100%);
}

.panel-label {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
}

.release-panel ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.release-help {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.guide-intro {
  margin-top: 2.25rem;
  max-width: 78ch;
}

.guide-intro h2 {
  font-size: clamp(1.45rem, 3.5vw, 2.2rem);
  line-height: 1.14;
  max-width: 28ch;
}

.guide-intro p {
  color: var(--muted);
  margin-top: 0.65rem;
}

.flow-separator {
  margin: 1.2rem 0;
  height: 1.4rem;
  background:
    linear-gradient(90deg, transparent 0%, rgba(19, 103, 212, 0.25) 48%, transparent 100%),
    repeating-linear-gradient(90deg, transparent 0 26px, rgba(13, 76, 160, 0.2) 26px 28px);
  border-radius: 999px;
  opacity: 0.8;
}

.tutorial-section {
  margin-top: 0.4rem;
}

.tutorial-picker {
  margin-top: 0.8rem;
}

.tutorial-picker h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-top: 0.35rem;
}

.tutorial-choice-grid {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.tutorial-choice {
  display: block;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, border-color 180ms ease;
}

.tutorial-choice:hover {
  transform: translateY(-2px);
  border-color: rgba(19, 103, 212, 0.45);
}

.choice-title {
  margin: 0;
  font-family: "Syne", sans-serif;
  color: var(--brand-strong);
  font-size: 1rem;
}

.choice-copy {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.tutorial-topic {
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid var(--line);
  grid-template-columns: 88px minmax(0, 1fr) minmax(300px, 0.82fr);
  padding: 1rem;
}

.topic-steps {
  margin: 0.5rem 0 0;
  color: var(--muted);
  grid-template-columns: 88px minmax(0, 1fr);
}

.topic-steps li + li {
  margin-top: 0.42rem;
}

.topic-shots {
  margin-top: 0.95rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.topic-shots-four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.topic-shots .step-shot-frame {
  height: 300px;
}

.tutorial-section .section-heading {
  margin-bottom: 1rem;
}

.tutorial-section .section-heading h2 {
  font-size: clamp(1.45rem, 3.2vw, 2rem);
}

.tutorial-section .section-heading p {
  color: var(--muted);
}

.tutorial-step {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) minmax(300px, 0.82fr);
  align-items: start;
  gap: 1.1rem;
  margin-bottom: 0.9rem;
}

.hero + .tutorial-step {
  margin-top: 1.55rem;
}

.tutorial-step-text {
  grid-template-columns: 72px minmax(0, 1fr);
}

.tutorial-step::before {
  content: '';
  position: absolute;
  left: 72px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(19, 103, 212, 0.46), rgba(19, 103, 212, 0.08));
}

.tutorial-step-reverse {
  grid-template-columns: 88px minmax(300px, 0.82fr) minmax(0, 1fr);
}

.tutorial-step-reverse .step-copy {
  order: 3;
}

.tutorial-step-reverse .step-shot {
  order: 2;
}

.step-meta {
  position: relative;
  z-index: 1;
  padding-top: 0.2rem;
  transform: translateX(-0.7rem);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-number {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(165deg, var(--brand), var(--brand-soft));
  color: #fff;
  font-family: "Syne", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 8px 14px rgba(13, 76, 160, 0.2);
}

.step-meta .panel-label {
  margin-top: 0.45rem;
  max-width: 7ch;
  text-align: center;
}

.step-copy h2 {
  font-size: clamp(1.38rem, 3.2vw, 2rem);
  line-height: 1.14;
  max-width: 24ch;
}

.step-copy h3 {
  margin: 0.7rem 0 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  line-height: 1.16;
  max-width: 26ch;
}

.step-copy h3 + p {
  margin-top: 0.45rem;
}

.step-copy p {
  color: var(--muted);
  margin-top: 0.6rem;
}

.step-copy ul {
  margin: 0.6rem 0 0;
  color: var(--muted);
  padding-left: 1.1rem;
}

.step-shot {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-shot-image {
  width: min(100%, 330px);
  aspect-ratio: 9 / 19;
  height: auto;
  border-radius: 1rem;
  border: 1px solid var(--line);
  object-fit: contain;
  background: linear-gradient(180deg, #f8fbff, #ecf4ff);
  box-shadow: var(--shadow);
}

.step-shot-media,
.step-shot-video {
  width: min(100%, 330px);
  aspect-ratio: 9 / 19;
  height: auto;
  border-radius: 1rem;
  border: 1px solid var(--line);
  object-fit: contain;
  background: linear-gradient(180deg, #f8fbff, #ecf4ff);
  box-shadow: var(--shadow);
}

.step-shot-frame {
  min-height: 440px;
  border-radius: 1rem;
  border: 2px dashed rgba(19, 103, 212, 0.34);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.98), rgba(227, 240, 255, 0.95)),
    repeating-linear-gradient(0deg, transparent 0 18px, rgba(19, 103, 212, 0.06) 18px 19px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #325e99;
  font-family: "Syne", sans-serif;
  font-size: 1.12rem;
  text-align: center;
  padding: 1rem;
  line-height: 1.28;
}

.step-shot figcaption {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  max-width: 42ch;
}

.guide-checklist {
  margin-top: 2rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(13, 53, 112, 0.2);
  border-bottom: 1px solid rgba(13, 53, 112, 0.2);
}

.guide-checklist ul {
  margin: 0.55rem 0 0;
  color: var(--muted);
  padding-left: 1.1rem;
}

.contact-section {
  margin-top: 2.2rem;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.contact-form {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.contact-form label {
  grid-column: span 2;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-strong);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  grid-column: span 2;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 0.72rem 0.8rem;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  margin-top: 0.4rem;
  width: fit-content;
}

.form-status {
  grid-column: span 2;
  font-size: 0.88rem;
  padding: 0.65rem 0.85rem;
  border-radius: 0.6rem;
  display: none;
}

.form-status:not(:empty) {
  display: block;
}

.form-status--success {
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-status--error {
  background: rgba(239, 68, 68, 0.12);
  color: #991b1b;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.guide-grid {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.guide-card {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.15rem;
  box-shadow: var(--shadow);
}

.guide-card h2 {
  font-size: clamp(1.3rem, 2.7vw, 1.7rem);
  line-height: 1.18;
}

.guide-card p {
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: flex-start;
  gap: 1.3rem;
  align-items: center;
  padding: 1.2rem 0 1.8rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  border-radius: 999px;
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--line);
  transition: transform 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.social-link:hover {
  transform: translateY(-1px);
}

.instagram-link {
  color: var(--brand-deep);
  background: linear-gradient(145deg, rgba(142, 198, 255, 0.26), rgba(33, 165, 216, 0.2));
}

.instagram-link:hover {
  box-shadow: 0 9px 18px rgba(13, 76, 160, 0.2);
}

.play-link {
  color: var(--brand-deep);
  background: linear-gradient(145deg, rgba(183, 228, 255, 0.34), rgba(94, 154, 235, 0.2));
}

.play-link:hover {
  box-shadow: 0 9px 18px rgba(13, 76, 160, 0.18);
}

.social-icon {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
  flex-shrink: 0;
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 280px;
  height: 280px;
  pointer-events: none;
  border-radius: 30% 70% 65% 35% / 40% 36% 64% 60%;
  filter: blur(28px);
  opacity: 0.45;
}

.ambient-top {
  top: -90px;
  right: -70px;
  background: rgba(44, 147, 255, 0.5);
}

.ambient-bottom {
  left: -70px;
  bottom: -90px;
  background: rgba(58, 168, 214, 0.45);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 520ms ease, transform 520ms ease;
}

@media (max-width: 840px) {
  .site-header {
    flex-wrap: wrap;
  }

  .top-logo-panel {
    margin-top: 0.7rem;
  }

  .top-logo-image {
    width: calc(100% - 1.2rem);
    max-height: 120px;
    transform: translateX(-40px);
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    border-radius: 0.95rem;
  }

  .hero-highlights,
  .hero-points,
  .tutorial-choice-grid,
  .topic-shots,
  .topic-shots-four,
  .guide-grid,
  .shot-grid {
    grid-template-columns: 1fr;
  }

  .flow-ribbon {
    border-radius: 1rem;
  }

  .tutorial-step,
  .tutorial-step-reverse {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .tutorial-step-text {
    grid-template-columns: 1fr;
  }

  .tutorial-step::before {
    display: none;
  }

  .step-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transform: none;
  }

  .step-meta .panel-label {
    margin-top: 0;
    max-width: none;
    text-align: left;
  }

  .tutorial-step-reverse .step-copy,
  .tutorial-step-reverse .step-shot {
    order: unset;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .hero-showcase {
    grid-template-columns: 1fr;
  }

  .showcase-screen {
    min-height: 280px;
  }

  .phone-frame {
    width: min(100%, 280px);
  }

  .tutorial-teaser {
    flex-direction: column;
    align-items: flex-start;
  }

  .tutorial-actions {
    width: 100%;
  }

  .feature-card {
    width: 100%;
    justify-self: stretch;
  }

  .release {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .site-header,
  main,
  .site-footer {
    width: min(1080px, calc(100% - 1.2rem));
  }

  .top-logo-image {
    transform: translateX(-20px);
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

  .hero {
    margin-top: 1.8rem;
  }

  .shot-frame {
    height: 290px;
  }

  .step-shot-frame {
    min-height: 360px;
  }

  .step-shot-image {
    width: min(100%, 290px);
  }

  .step-shot-media,
  .step-shot-video {
    width: min(100%, 290px);
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }
}