:root {
  --ink: #1b1f3b;
  --muted: #66708f;
  --bg: #f3f7ff;
  --surface: #ffffff;
  --line: rgba(27, 31, 59, 0.1);
  --coral: #ff5d6c;
  --sky: #4eb8ff;
  --mint: #3ad29f;
  --lemon: #ffd24d;
  --grape: #7b6cff;
  --night: #1b1f3b;
  --display: "Fredoka", system-ui, sans-serif;
  --sans: "Nunito", system-ui, sans-serif;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(ellipse 50% 40% at 100% 10%, rgba(78, 184, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 45% 35% at 0% 40%, rgba(255, 93, 108, 0.1), transparent 50%),
    var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  width: min(100% - 2.4rem, var(--max));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: #fff;
  padding: 0.5rem 0.75rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(243, 247, 255, 0.82);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 28px rgba(27, 31, 59, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(27, 31, 59, 0.14);
}

.brand-name {
  font-family: var(--display);
  font-size: 0.95rem;
  max-width: 12.5rem;
  line-height: 1.15;
}

.nav {
  display: flex;
  gap: 1.25rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--muted);
}

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

.lang {
  display: inline-flex;
  border-radius: 999px;
  overflow: hidden;
  border: 2px solid rgba(27, 31, 59, 0.08);
  background: #fff;
}

.lang button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0.35rem 0.7rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--muted);
  cursor: pointer;
}

.lang button.is-active {
  background: linear-gradient(135deg, var(--coral), #ff8a5c);
  color: #fff;
}

.menu-btn {
  display: none;
  appearance: none;
  border: 2px solid rgba(27, 31, 59, 0.08);
  background: #fff;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 18px;
  height: 2.5px;
  margin: 4px auto;
  background: var(--ink);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(ellipse 50% 55% at 85% 30%, rgba(78, 184, 255, 0.35), transparent 55%),
    radial-gradient(ellipse 40% 45% at 15% 80%, rgba(255, 93, 108, 0.28), transparent 50%),
    radial-gradient(ellipse 35% 40% at 50% 50%, rgba(255, 210, 77, 0.12), transparent 55%),
    linear-gradient(165deg, #151833 0%, #23285a 48%, #1b1f3b 100%);
  min-height: min(92vh, 800px);
  display: flex;
  align-items: center;
  padding: 6.2rem 0 3.5rem;
}

.hero-bubbles i {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  animation: floaty 7s ease-in-out infinite;
}

.hero-bubbles i:nth-child(1) {
  width: 120px;
  height: 120px;
  top: 12%;
  left: 8%;
}
.hero-bubbles i:nth-child(2) {
  width: 70px;
  height: 70px;
  top: 60%;
  left: 18%;
  animation-delay: 1s;
}
.hero-bubbles i:nth-child(3) {
  width: 90px;
  height: 90px;
  top: 20%;
  right: 12%;
  animation-delay: 0.5s;
}
.hero-bubbles i:nth-child(4) {
  width: 40px;
  height: 40px;
  bottom: 18%;
  right: 28%;
  animation-delay: 1.4s;
}
.hero-bubbles i:nth-child(5) {
  width: 56px;
  height: 56px;
  top: 42%;
  left: 42%;
  animation-delay: 0.8s;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-18px);
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero-kicker {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-family: var(--display);
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  opacity: 0;
  animation: rise 0.7s var(--ease) 0.05s forwards;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5.8vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: rise 0.8s var(--ease) 0.15s forwards;
}

.hero-lead {
  margin: 1.15rem 0 0;
  max-width: 34rem;
  font-size: 1.08rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  opacity: 0;
  animation: rise 0.8s var(--ease) 0.28s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.85rem;
  opacity: 0;
  animation: rise 0.8s var(--ease) 0.4s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.btn:hover {
  transform: translateY(-3px) scale(1.03);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--lemon), #ffb347 40%, var(--coral));
  color: #1b1f3b;
  box-shadow: 0 12px 28px rgba(255, 93, 108, 0.35);
}

.btn-ghost {
  border: 2px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
  opacity: 0;
  animation: rise 0.8s var(--ease) 0.52s forwards;
}

.metric-chip {
  padding: 0.7rem 0.95rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  min-width: 7.2rem;
}

.metric-chip strong {
  display: block;
  font-family: var(--display);
  font-size: 1.15rem;
}

.metric-chip span {
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.62);
}

/* Phone */
.hero-stage {
  position: relative;
  display: flex;
  justify-content: center;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.3s forwards;
}

.phone {
  width: min(100%, 280px);
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45));
  transform-style: preserve-3d;
  transition: transform 0.15s linear;
}

.phone-bezel {
  background: linear-gradient(160deg, #2a3058, #12152c);
  border-radius: 36px;
  padding: 12px;
  border: 2px solid rgba(255, 255, 255, 0.12);
}

.phone-notch {
  width: 38%;
  height: 10px;
  margin: 0 auto 10px;
  border-radius: 999px;
  background: #0c0e1c;
}

.phone-screen {
  background: linear-gradient(180deg, #2d3568, #1e2448);
  border-radius: 26px;
  padding: 1rem 0.9rem 1.1rem;
  min-height: 460px;
}

.ui-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-family: var(--display);
  font-weight: 600;
}

.stars {
  color: var(--lemon);
  letter-spacing: 0.1em;
}

.ui-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  margin-bottom: 1rem;
  overflow: hidden;
}

.ui-bar i {
  display: block;
  width: 68%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--sky));
  animation: barFill 2.8s ease-in-out infinite alternate;
}

@keyframes barFill {
  from {
    width: 48%;
  }
  to {
    width: 86%;
  }
}

.puzzle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.puzzle-grid b {
  aspect-ratio: 1;
  border-radius: 14px;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.18);
  animation: tilePop 3.2s ease-in-out infinite;
}

.puzzle-grid b:nth-child(odd) {
  animation-delay: 0.2s;
}
.puzzle-grid b:nth-child(3n) {
  animation-delay: 0.45s;
}

@keyframes tilePop {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.c1 {
  background: linear-gradient(145deg, #ff8a96, var(--coral));
}
.c2 {
  background: linear-gradient(145deg, #7ecfff, var(--sky));
}
.c3 {
  background: linear-gradient(145deg, #6eecc0, var(--mint));
}
.c4 {
  background: linear-gradient(145deg, #ffe27a, var(--lemon));
}

.puzzle-grid .pop {
  animation: clearBurst 1.6s ease-in-out infinite;
}

@keyframes clearBurst {
  0%,
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
  40% {
    transform: scale(1.12);
    filter: brightness(1.2);
  }
  55% {
    transform: scale(0.92);
  }
}

.ui-hint {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.75rem;
}

.ui-btn {
  text-align: center;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  padding: 0.7rem;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--lemon), var(--coral));
  color: #1b1f3b;
  box-shadow: 0 6px 0 #c94a56;
  animation: btnBounce 2s ease-in-out infinite;
}

@keyframes btnBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.float-bits .bit {
  position: absolute;
  font-family: var(--display);
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  animation: chipFloat 3.5s ease-in-out infinite;
}

.b1 {
  top: 18%;
  right: 2%;
  background: var(--lemon);
}
.b2 {
  top: 48%;
  left: 0;
  background: var(--sky);
  color: #fff;
  animation-delay: 0.6s;
}
.b3 {
  bottom: 16%;
  right: 4%;
  background: var(--mint);
  color: #fff;
  animation-delay: 1s;
}

@keyframes chipFloat {
  0%,
  100% {
    transform: translateY(0) rotate(-4deg);
  }
  50% {
    transform: translateY(-12px) rotate(4deg);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Strip */
.strip {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0.95rem 0;
}

.strip-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem 1.4rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--muted);
}

.strip-inner span::before {
  content: "◆";
  color: var(--coral);
  margin-right: 0.45rem;
  font-size: 0.7rem;
}

/* Sections */
.section {
  padding: 5.2rem 0;
}

.section-head {
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
}

.section-head p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-weight: 600;
}

.eyebrow {
  margin: 0 0 0.45rem;
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--coral);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.biz {
  background: var(--surface);
  border: 2px solid rgba(27, 31, 59, 0.06);
  border-radius: var(--radius);
  padding: 1.55rem 1.4rem 1.4rem;
  box-shadow: 0 10px 0 rgba(27, 31, 59, 0.04);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.biz:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 0 rgba(27, 31, 59, 0.05);
}

.biz:nth-child(1) {
  border-top: 5px solid var(--coral);
}
.biz:nth-child(2) {
  border-top: 5px solid var(--sky);
}
.biz:nth-child(3) {
  border-top: 5px solid var(--mint);
}

.biz-badge {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--grape);
  margin-bottom: 0.7rem;
}

.biz h3 {
  margin: 0 0 0.6rem;
  font-family: var(--display);
  font-size: 1.25rem;
}

.biz p {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.biz ul {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.biz li {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: #eef3ff;
  color: var(--ink);
}

/* Advantages */
.advantages {
  background: #fff;
  border-block: 1px solid var(--line);
}

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

.adv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1.25rem;
  border-radius: 20px;
  background: var(--bg);
  border: 2px solid transparent;
  transition: border-color 0.2s ease, transform 0.25s var(--ease);
}

.adv:hover {
  border-color: rgba(78, 184, 255, 0.35);
  transform: translateY(-3px);
}

.adv-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  position: relative;
  background: #fff;
  box-shadow: 0 6px 0 rgba(27, 31, 59, 0.06);
  flex-shrink: 0;
}

.adv-icon::before,
.adv-icon::after {
  content: "";
  position: absolute;
}

.ai-aim::before {
  inset: 12px;
  border: 3px solid var(--coral);
  border-radius: 50%;
}
.ai-aim::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  top: 50%;
  left: 50%;
  translate: -50% -50%;
}

.ai-chart::before {
  left: 12px;
  right: 12px;
  bottom: 12px;
  height: 3px;
  background: var(--sky);
  border-radius: 2px;
}
.ai-chart::after {
  left: 14px;
  bottom: 16px;
  width: 8px;
  height: 16px;
  background: linear-gradient(180deg, var(--mint), var(--sky));
  border-radius: 3px 3px 0 0;
  box-shadow: 12px -6px 0 var(--lemon), 24px 2px 0 var(--coral);
}

.ai-globe::before {
  inset: 11px;
  border: 3px solid var(--mint);
  border-radius: 50%;
}
.ai-globe::after {
  top: 14px;
  bottom: 14px;
  left: 50%;
  width: 3px;
  margin-left: -1.5px;
  background: var(--mint);
  border-radius: 2px;
  box-shadow: -8px 10px 0 -1px var(--mint), 8px 10px 0 -1px var(--mint);
}

.ai-heart::before {
  width: 18px;
  height: 18px;
  background: var(--lemon);
  border-radius: 6px;
  top: 15px;
  left: 15px;
  rotate: 18deg;
}
.ai-heart::after {
  width: 12px;
  height: 12px;
  background: var(--coral);
  border-radius: 4px;
  top: 20px;
  right: 14px;
  rotate: -12deg;
}

.adv h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.1rem;
}

.adv p {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.94rem;
}

/* About */
.about-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
}

.about-copy h2 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(1.85rem, 3vw, 2.4rem);
  line-height: 1.15;
}

.about-copy p {
  margin: 0 0 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.about-aside {
  border-radius: 28px;
  padding: 1.75rem;
  color: #fff;
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(255, 210, 77, 0.3), transparent 55%),
    linear-gradient(150deg, #2a3166, #1b1f3b);
  border: 2px solid rgba(255, 255, 255, 0.08);
}

.aside-phone {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  margin-bottom: 1.2rem;
}

.mini-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  width: 54px;
}

.mini-board i {
  aspect-ratio: 1;
  border-radius: 6px;
}
.mini-board i:nth-child(1),
.mini-board i:nth-child(5),
.mini-board i:nth-child(9) {
  background: var(--coral);
}
.mini-board i:nth-child(2),
.mini-board i:nth-child(6) {
  background: var(--sky);
}
.mini-board i:nth-child(3),
.mini-board i:nth-child(7) {
  background: var(--mint);
}
.mini-board i:nth-child(4),
.mini-board i:nth-child(8) {
  background: var(--lemon);
}

.about-aside blockquote {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
  line-height: 1.3;
  font-weight: 600;
}

.about-aside cite {
  display: block;
  margin-top: 1.1rem;
  font-style: normal;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.65);
}

/* Contact */
.contact {
  color: #fff;
  background:
    radial-gradient(ellipse 45% 60% at 0% 50%, rgba(255, 93, 108, 0.28), transparent 55%),
    radial-gradient(ellipse 40% 50% at 100% 40%, rgba(78, 184, 255, 0.25), transparent 50%),
    linear-gradient(145deg, #1b1f3b, #2a3166);
}

.contact .section-head h2,
.contact .section-head p {
  color: inherit;
}

.contact .section-head p {
  color: rgba(255, 255, 255, 0.75);
}

.contact .eyebrow {
  color: var(--lemon);
}

.contact-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1.7rem;
  border-radius: 24px;
  border: 2px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.contact-panel a.mail {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.3vw, 1.6rem);
  font-weight: 700;
  word-break: break-all;
}

.contact-hint {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.65);
}

/* Footer */
.site-footer {
  padding: 2.3rem 0 1.9rem;
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.3rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--display);
  font-weight: 700;
}

.footer-brand img {
  width: 22px;
  height: 22px;
  border-radius: 6px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-weight: 800;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.7rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
}

.footer-legal {
  display: flex;
  gap: 0.85rem;
}

.footer-legal a,
.footer-legal a:visited {
  color: var(--muted);
}

.footer-legal a:hover {
  color: var(--ink);
}

.legal-nav {
  display: flex !important;
}

.legal-page {
  padding: 4.2rem 0 4.5rem;
}

.legal-wrap {
  max-width: 760px;
}

.legal-page h1 {
  margin: 0 0 0.45rem;
  font-family: var(--display);
  font-size: clamp(2rem, 3.4vw, 2.7rem);
}

.legal-page .updated {
  margin: 0 0 1.8rem;
  color: var(--muted);
  font-weight: 700;
}

.legal-page h2 {
  margin: 2rem 0 0.65rem;
  font-family: var(--display);
  font-size: 1.2rem;
}

.legal-page h3 {
  margin: 1.2rem 0 0.5rem;
  font-family: var(--display);
  font-size: 1.02rem;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
  font-weight: 600;
  line-height: 1.7;
}

.legal-page a {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.legal-page ul {
  padding-left: 1.15rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 960px) {
  .hero-grid,
  .business-grid,
  .adv-grid,
  .about-layout {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    order: -1;
  }

  .phone {
    width: min(100%, 250px);
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 0.7rem 1.2rem 1rem;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
  }

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

  .nav a {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
  }

  .menu-btn {
    display: inline-block;
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-top: 5.4rem;
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}