:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #111114;
  --muted: #68686f;
  --soft: #f5f5f7;
  --soft-strong: #ececf1;
  --line: #dedee5;
  --gold: #ffc20d;
  --gold-deep: #ff8a00;
  --coral: #ff5a3d;
  --cyan: #20b9d8;
  --green: #45c46a;
  --violet: #c548e9;
  --radius: 28px;
  --shadow: 0 24px 80px rgba(17, 17, 20, 0.13);
  --max: 1180px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
  letter-spacing: 0;
}

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

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

p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
  margin: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(4rem, 10.4vw, 8.3rem);
  font-weight: 760;
  line-height: 0.9;
}

h2 {
  font-size: clamp(2.2rem, 5vw, 5.1rem);
  font-weight: 740;
  line-height: 0.98;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 720;
  line-height: 1.08;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(22px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(222, 222, 229, 0);
  display: flex;
  height: 72px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(18px, 4vw, 54px);
  position: sticky;
  right: 0;
  top: 0;
  transition: border-color 220ms ease, box-shadow 220ms ease;
  z-index: 50;
}

.site-header.is-scrolled {
  border-color: rgba(222, 222, 229, 0.78);
  box-shadow: 0 12px 35px rgba(17, 17, 20, 0.05);
}

.brand,
.footer-brand {
  align-items: center;
  display: inline-flex;
  font-size: 0.98rem;
  font-weight: 720;
  gap: 10px;
  line-height: 1;
}

.brand-mark,
.footer-mark {
  border-radius: 14px;
  height: 38px;
  object-fit: cover;
  width: 38px;
}

.nav-links,
.site-footer nav {
  align-items: center;
  display: flex;
  gap: clamp(16px, 2.8vw, 34px);
}

.nav-links a,
.site-footer a {
  color: rgba(17, 17, 20, 0.74);
  font-size: 0.91rem;
  font-weight: 620;
}

.nav-links a:hover,
.site-footer a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.section-shell {
  margin: 0 auto;
  max-width: var(--max);
  padding-left: clamp(20px, 5vw, 58px);
  padding-right: clamp(20px, 5vw, 58px);
}

.hero {
  align-items: center;
  display: grid;
  gap: clamp(34px, 7vw, 86px);
  grid-template-columns: minmax(0, 1.03fr) minmax(270px, 0.72fr);
  min-height: min(760px, calc(100svh - 112px));
  overflow: clip;
  padding-bottom: clamp(18px, 3vw, 32px);
  padding-top: clamp(42px, 8vw, 88px);
}

.hero-copy {
  max-width: 680px;
}

.hero-lede {
  color: #303035;
  font-size: clamp(1.35rem, 2.3vw, 2.05rem);
  line-height: 1.24;
  margin-top: clamp(22px, 3vw, 34px);
  max-width: 670px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.98rem;
  font-weight: 720;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: #111114;
  box-shadow: 0 16px 30px rgba(17, 17, 20, 0.16);
  color: #fff;
}

.button-secondary {
  background: var(--soft);
  color: #111114;
}

.button-secondary:hover {
  background: #ececf1;
}

.hero-visual {
  display: grid;
  justify-items: center;
  position: relative;
}

.sun-orbit {
  animation: sunPulse 7.5s ease-in-out infinite;
  background: linear-gradient(132deg, rgba(255, 194, 13, 0.22), rgba(32, 185, 216, 0.11) 45%, rgba(255, 90, 61, 0.18));
  border-radius: 46px;
  clip-path: polygon(24% 0, 100% 18%, 76% 100%, 0 78%);
  filter: blur(0.5px);
  height: min(43vw, 520px);
  opacity: 0.9;
  position: absolute;
  right: 50%;
  top: 50%;
  transform: translate(50%, -50%);
  width: min(35vw, 430px);
}

.phone-shell {
  animation: phoneFloat 6s ease-in-out infinite;
  aspect-ratio: 1206 / 2622;
  background: linear-gradient(145deg, #25252b, #050506 38%, #2f3038 100%);
  border-radius: clamp(42px, 4vw, 66px);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.2),
    inset 0 0 0 8px rgba(255, 255, 255, 0.04),
    0 38px 95px rgba(17, 17, 20, 0.22);
  padding: clamp(8px, 1vw, 12px);
  position: relative;
  height: clamp(510px, 78svh, 700px);
  width: auto;
  z-index: 2;
}

.phone-screen {
  background: #fff;
  border-radius: clamp(34px, 3.5vw, 54px);
  height: 100%;
  overflow: hidden;
  position: relative;
}

.phone-screen img {
  height: 100%;
  object-fit: cover;
  object-position: top center;
  width: 100%;
}

.phone-button {
  background: linear-gradient(180deg, #3d3e46, #0c0c10);
  border-radius: 999px;
  position: absolute;
  width: 4px;
}

.phone-button-left {
  height: 76px;
  left: -3px;
  top: 21%;
}

.phone-button-right {
  height: 108px;
  right: -3px;
  top: 28%;
}

.preview-ribbon {
  align-items: stretch;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: -78px auto 0;
  max-width: var(--max);
  overflow: hidden;
  padding: 0 clamp(20px, 5vw, 58px) clamp(70px, 10vw, 140px);
}

.ribbon-item {
  background: var(--soft);
  min-height: 120px;
  padding: 26px;
}

.ribbon-item:first-child {
  border-bottom-left-radius: var(--radius);
  border-top-left-radius: var(--radius);
}

.ribbon-item:last-child {
  border-bottom-right-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

.ribbon-item span {
  color: var(--muted);
  display: block;
  font-size: 0.83rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.ribbon-item strong {
  display: block;
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  line-height: 1;
}

.split-section {
  display: grid;
  gap: clamp(36px, 7vw, 88px);
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1fr);
  padding-bottom: clamp(84px, 13vw, 180px);
}

.section-intro {
  position: sticky;
  top: 120px;
}

.section-intro p,
.timeline-copy p,
.detail-panel p,
.notice-section p,
.support-hero p {
  margin-top: 24px;
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-card {
  background: var(--soft);
  border: 1px solid rgba(222, 222, 229, 0.82);
  border-radius: 24px;
  padding: clamp(24px, 4vw, 36px);
}

.feature-card p {
  margin-top: 16px;
}

.feature-icon {
  border-radius: 50%;
  display: block;
  height: 46px;
  margin-bottom: 30px;
  position: relative;
  width: 46px;
}

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

.sun-icon {
  background: rgba(255, 194, 13, 0.2);
}

.sun-icon::before {
  background: var(--gold);
  border-radius: 50%;
  height: 18px;
  left: 14px;
  top: 14px;
  width: 18px;
}

.sun-icon::after {
  border: 2px solid var(--gold-deep);
  border-left-color: transparent;
  border-radius: 50%;
  height: 28px;
  left: 7px;
  top: 7px;
  width: 28px;
}

.skin-icon {
  background: rgba(32, 185, 216, 0.15);
}

.skin-icon::before {
  background: var(--cyan);
  border-radius: 17px 17px 19px 19px;
  height: 25px;
  left: 12px;
  top: 10px;
  transform: rotate(42deg);
  width: 20px;
}

.timer-icon {
  background: rgba(69, 196, 106, 0.16);
}

.timer-icon::before {
  border: 3px solid var(--green);
  border-radius: 50%;
  height: 24px;
  left: 11px;
  top: 12px;
  width: 24px;
}

.timer-icon::after {
  background: var(--green);
  border-radius: 999px;
  height: 14px;
  left: 22px;
  top: 8px;
  width: 3px;
}

.timeline-section {
  background: #111114;
  color: #fff;
  overflow: hidden;
  padding: clamp(78px, 12vw, 150px) 0;
}

.timeline-section p {
  color: rgba(255, 255, 255, 0.72);
}

.timeline-grid {
  align-items: center;
  display: grid;
  gap: clamp(34px, 7vw, 90px);
  grid-template-columns: minmax(0, 0.75fr) minmax(300px, 1fr);
}

.sunline {
  min-width: 0;
}

.sunline-track {
  background:
    linear-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px) 0 0 / 100% 25%,
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px) 0 0 / 25% 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  min-height: 310px;
  overflow: hidden;
  position: relative;
}

.sunline-track svg {
  inset: 45px 28px 28px;
  position: absolute;
}

.sunline-path {
  animation: drawLine 2.4s ease forwards;
  fill: none;
  stroke: url("#uvGradient");
  stroke-dasharray: 820;
  stroke-dashoffset: 820;
  stroke-linecap: round;
  stroke-width: 15;
}

.sunline-dot {
  animation: dotRise 5s ease-in-out infinite;
  border-radius: 50%;
  height: 20px;
  position: absolute;
  width: 20px;
  z-index: 2;
}

.sunline-dot-low {
  background: var(--green);
  bottom: 72px;
  left: 16%;
}

.sunline-dot-peak {
  animation-delay: 650ms;
  background: var(--gold);
  left: 51%;
  top: 62px;
}

.sunline-dot-cool {
  animation-delay: 1.1s;
  background: var(--violet);
  bottom: 72px;
  right: 12%;
}

.sunline-labels {
  color: rgba(255, 255, 255, 0.72);
  display: flex;
  font-size: 0.9rem;
  font-weight: 720;
  justify-content: space-between;
  margin-top: 18px;
}

.detail-section {
  display: grid;
  gap: clamp(34px, 7vw, 84px);
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  padding-bottom: clamp(76px, 11vw, 150px);
  padding-top: clamp(76px, 11vw, 150px);
}

.detail-panel {
  max-width: 760px;
}

.detail-columns {
  display: grid;
  gap: 28px;
  padding-top: 10px;
}

.detail-columns div {
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.detail-columns p {
  margin-top: 14px;
}

.notice-section {
  align-items: center;
  background: var(--soft);
  border-radius: 34px;
  display: grid;
  gap: clamp(24px, 5vw, 62px);
  grid-template-columns: auto minmax(0, 1fr);
  margin-bottom: clamp(78px, 11vw, 140px);
  padding-bottom: clamp(28px, 5vw, 54px);
  padding-top: clamp(28px, 5vw, 54px);
}

.notice-logo {
  border-radius: 30px;
  box-shadow: 0 22px 55px rgba(255, 138, 0, 0.2);
  height: clamp(88px, 12vw, 150px);
  object-fit: cover;
  width: clamp(88px, 12vw, 150px);
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr auto 1fr;
  padding: 30px clamp(20px, 5vw, 58px);
}

.site-footer p {
  color: rgba(17, 17, 20, 0.54);
  font-size: 0.88rem;
  justify-self: end;
}

.footer-mark {
  height: 32px;
  width: 32px;
}

.legal-page,
.support-page {
  padding-bottom: clamp(80px, 12vw, 150px);
  padding-top: clamp(72px, 10vw, 130px);
}

.support-page {
  padding-top: clamp(48px, 7vw, 88px);
}

.legal-heading,
.support-hero {
  margin: 0 auto clamp(44px, 8vw, 86px);
  max-width: 860px;
  text-align: center;
}

.support-hero {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.legal-heading h1,
.support-hero h1 {
  font-size: clamp(3.4rem, 8vw, 7.4rem);
}

.support-hero h1 {
  font-size: clamp(3.2rem, 7vw, 5.8rem);
}

.legal-heading p {
  margin-top: 18px;
}

.legal-copy {
  margin: 0 auto;
  max-width: 820px;
}

.legal-copy h2 {
  border-top: 1px solid var(--line);
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  line-height: 1.12;
  margin-top: 34px;
  padding-top: 32px;
}

.legal-copy h2:first-child {
  margin-top: 0;
}

.legal-copy p {
  margin-top: 14px;
}

.support-form {
  background: var(--soft);
  border: 1px solid rgba(222, 222, 229, 0.9);
  border-radius: 30px;
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 auto;
  max-width: 880px;
  padding: clamp(22px, 4vw, 44px);
}

.form-row {
  display: grid;
  gap: 9px;
}

.form-row-full,
.form-submit,
.form-status,
noscript {
  grid-column: 1 / -1;
}

label {
  color: #303035;
  font-size: 0.9rem;
  font-weight: 720;
}

input,
select,
textarea {
  appearance: none;
  background: #fff;
  border: 1px solid #d8d8df;
  border-radius: 16px;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  min-height: 52px;
  outline: none;
  padding: 14px 15px;
  transition: border-color 180ms ease, box-shadow 180ms ease;
  width: 100%;
}

textarea {
  min-height: 180px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--gold-deep);
  box-shadow: 0 0 0 4px rgba(255, 194, 13, 0.22);
}

.form-submit {
  justify-self: start;
  margin-top: 4px;
}

.form-status {
  color: #4c4c54;
  font-size: 0.95rem;
  min-height: 1.5em;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 760ms ease, transform 760ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes phoneFloat {
  0%,
  100% {
    transform: translateY(0) rotate(-1.5deg);
  }

  50% {
    transform: translateY(-16px) rotate(1deg);
  }
}

@keyframes sunPulse {
  0%,
  100% {
    opacity: 0.78;
    transform: translate(50%, -50%) scale(0.94) rotate(0deg);
  }

  50% {
    opacity: 0.98;
    transform: translate(50%, -50%) scale(1.06) rotate(28deg);
  }
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes dotRise {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-8px) scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 920px) {
  .site-header {
    height: auto;
    min-height: 68px;
  }

  .nav-links {
    gap: 14px;
  }

  .hero,
  .split-section,
  .timeline-grid,
  .detail-section,
  .notice-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 42px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .phone-shell {
    height: auto;
    width: min(74vw, 335px);
  }

  .sun-orbit {
    width: min(75vw, 400px);
  }

  .section-intro {
    position: static;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .site-footer p {
    justify-self: start;
  }
}

@media (max-width: 700px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-bottom: 14px;
    padding-top: 14px;
    position: relative;
  }

  .nav-links,
  .site-footer nav {
    flex-wrap: wrap;
  }

  .nav-links a,
  .site-footer a {
    font-size: 0.86rem;
  }

  h1 {
    font-size: clamp(2.85rem, 13.8vw, 3.75rem);
  }

  .hero-lede {
    font-size: 1.03rem;
    margin-left: auto;
    margin-right: auto;
    max-width: 18.5rem;
  }

  .hero-actions {
    gap: 10px;
  }

  .button {
    font-size: 0.9rem;
    min-height: 46px;
    padding: 0 14px;
  }

  .preview-ribbon {
    grid-template-columns: 1fr;
    padding-bottom: 72px;
  }

  .ribbon-item,
  .ribbon-item:first-child,
  .ribbon-item:last-child {
    border-radius: 22px;
  }

  .phone-shell {
    width: min(64vw, 260px);
  }

  .support-form {
    grid-template-columns: 1fr;
  }

  .notice-section {
    border-radius: 26px;
  }
}
