.landing-page {
  overflow-x: hidden;
  background:
    radial-gradient(circle at 72% 7%, color-mix(in srgb, var(--color-text) 3%, transparent) 0, transparent 32rem),
    radial-gradient(circle at 15% 36%, color-mix(in srgb, var(--color-text) 2%, transparent) 0, transparent 34rem),
    var(--color-bg);
  background-attachment: fixed;
  text-rendering: optimizeLegibility;
}

:root[data-theme="dark"] .landing-page {
  --color-bg: #090909;
  --color-bg-elevated: #111111;
  --color-surface: #111111;
  --color-surface-hover: #171717;
  --color-surface-strong: #1c1c1c;
  --color-text: #ffffff;
  --color-text-muted: rgb(255 255 255 / 0.72);
  --color-text-subtle: rgb(255 255 255 / 0.5);
  --color-border: rgb(255 255 255 / 0.08);
  --color-border-strong: rgb(255 255 255 / 0.14);
  --color-header: rgb(9 9 9 / 0.82);
  --shadow-sm: 0 8px 30px rgb(0 0 0 / 0.14);
  --shadow-md: 0 28px 80px rgb(0 0 0 / 0.28);
  --shadow-lg: 0 50px 140px rgb(0 0 0 / 0.42);
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: calc(var(--z-menu) + 1);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  font-weight: 750;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.landing-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-header);
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background-color 400ms var(--ease-standard), border-color 400ms var(--ease-standard), box-shadow 400ms var(--ease-standard);
}

.landing-header.is-scrolled {
  border-color: color-mix(in srgb, var(--color-border) 75%, transparent);
  background: var(--color-header);
  box-shadow: 0 10px 40px rgb(0 0 0 / 0.08);
  backdrop-filter: blur(24px) saturate(1.2);
}

.landing-nav { min-height: 5rem; }

.wordmark {
  color: var(--color-text);
  font-size: var(--font-size-md);
  font-weight: 820;
  letter-spacing: 0.25em;
}

.landing-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
}

.landing-nav__links a,
.landing-footer a {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: color 240ms var(--ease-standard), opacity 240ms var(--ease-standard);
}

.landing-nav__links a:hover,
.landing-footer a:hover { color: var(--color-text); }
.landing-nav__actions { margin-left: var(--space-6); }

.language-picker { position: relative; }

.language-toggle {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--color-border) 72%, transparent);
  border-radius: 0.8rem;
  background: color-mix(in srgb, var(--color-surface) 82%, transparent);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 750;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 240ms var(--ease-standard), border-color 240ms var(--ease-standard), color 240ms var(--ease-standard);
}

.language-toggle:hover,
.language-toggle[aria-expanded="true"] {
  border-color: var(--color-border-strong);
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.language-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.language-toggle svg,
.language-menu svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.language-toggle__icon { opacity: 0.72; }
.language-toggle__chevron { transition: transform 240ms var(--ease-standard); }
.language-toggle[aria-expanded="true"] .language-toggle__chevron { transform: rotate(180deg); }

.language-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  z-index: var(--z-menu);
  width: max-content;
  min-width: 11rem;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-md);
}

.language-menu a {
  display: grid;
  grid-template-columns: 1fr 1rem;
  align-items: center;
  gap: var(--space-4);
  padding: 0.75rem 0.8rem;
  border-radius: 0.7rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: background-color 180ms var(--ease-standard), color 180ms var(--ease-standard);
}

.language-menu a:hover,
.language-menu a:focus-visible {
  outline: none;
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.language-menu a[aria-checked="true"] { color: var(--color-text); font-weight: 750; }
.language-option__check { visibility: hidden; color: var(--color-accent); }
.language-menu a[aria-checked="true"] .language-option__check { visibility: visible; }

.landing-page .button {
  border-radius: 0.95rem;
  transition: background-color 240ms var(--ease-standard), border-color 240ms var(--ease-standard), color 240ms var(--ease-standard), box-shadow 240ms var(--ease-standard), transform 240ms var(--ease-standard);
}

.landing-page .button:hover { transform: translateY(-2px); }
.landing-page .button:active { transform: translateY(0); }
.landing-page .button-primary { box-shadow: 0 10px 28px color-mix(in srgb, var(--color-accent) 20%, transparent); }
.landing-page .button-primary:hover { box-shadow: 0 14px 36px color-mix(in srgb, var(--color-accent) 27%, transparent); }
.landing-page .button-secondary { border-color: var(--color-border-strong); background: color-mix(in srgb, var(--color-surface) 76%, transparent); backdrop-filter: blur(12px); }

.button-large {
  min-height: 3.75rem;
  padding-inline: 1.75rem;
  font-size: var(--font-size-md);
}

.hero {
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(0, 1fr) minmax(30rem, 1fr);
  align-items: center;
  gap: clamp(3rem, 4.5vw, 5.5rem);
  padding-block: calc(var(--header-height) + 5rem) 7rem;
}

.hero__copy { position: relative; z-index: 2; }

.hero h1 {
  max-width: 13ch;
  margin-bottom: 0;
  font-size: clamp(4.1rem, 5.9vw, 7.15rem);
  font-weight: 720;
  letter-spacing: -0.072em;
  line-height: 0.9;
}

.hero__lead,
.section-lead {
  max-width: 34rem;
  margin: 1.75rem 0 0;
  color: var(--color-text-muted);
  font-size: clamp(1.08rem, 1.35vw, 1.3rem);
  line-height: 1.55;
}

.hero__actions,
.final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: 2.25rem;
}

.hero-product {
  position: relative;
  min-height: clamp(40rem, 77vh, 60rem);
  isolation: isolate;
}

.phone {
  position: absolute;
  width: clamp(15rem, 21vw, 20rem);
  aspect-ratio: 853 / 1843;
  padding: 0.42rem;
  border: 1px solid color-mix(in srgb, var(--color-border-strong) 78%, transparent);
  border-radius: clamp(2rem, 3.4vw, 3rem);
  background: var(--color-surface-strong);
  box-shadow: 0 36px 110px rgb(0 0 0 / 0.42), 0 0 0 1px rgb(255 255 255 / 0.025) inset;
  will-change: transform;
}

.phone::before {
  position: absolute;
  top: 0.8rem;
  left: 50%;
  z-index: 2;
  width: 36%;
  height: 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--color-inverse-bg);
  content: "";
  transform: translateX(-50%);
}

.phone--front { z-index: 3; right: 7%; bottom: 0; animation: hero-float-front 9s ease-in-out infinite; }
.phone--rear { z-index: 1; top: 0; left: 6%; animation: hero-float-rear 11s ease-in-out infinite; }

.product-phone {
  overflow: hidden;
  background: var(--color-inverse-bg);
}

.product-phone img {
  width: 100%;
  height: 100%;
  border-radius: clamp(1.7rem, 3vw, 2.6rem);
  object-fit: contain;
}

.hero-product__mark {
  position: absolute;
  z-index: 2;
  top: 48%;
  left: 47%;
  width: clamp(7rem, 10vw, 9.5rem);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 2rem;
  background: center / cover no-repeat url("/assets/roozio-icon-dark.webp");
  box-shadow: 0 26px 70px rgb(0 0 0 / 0.38), 0 0 0 1px rgb(255 255 255 / 0.06);
  transform: translate(-50%, -50%) rotate(3deg);
}

:root[data-theme="light"] .hero-product__mark { background-image: url("/assets/roozio-icon-light.webp"); }

.product-preview-note {
  max-width: 30rem;
  margin: 1.1rem 0 0;
  color: var(--color-text-subtle);
  font-size: 0.72rem;
  letter-spacing: 0.01em;
}

@keyframes hero-float-front {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(1.6deg); }
  50% { transform: translate3d(0, -0.75rem, 0) rotate(1deg); }
}

@keyframes hero-float-rear {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-4.5deg) scale(0.94); }
  50% { transform: translate3d(0, 0.6rem, 0) rotate(-3.8deg) scale(0.94); }
}

.product-section { padding-block: clamp(8rem, 13vw, 14rem); }
.product-section h2,
.studio-showcase h2,
.security-section h2,
.final-cta h2 {
  max-width: 13ch;
  margin-bottom: 0;
  font-size: clamp(3.4rem, 6.5vw, 7rem);
  font-weight: 690;
  letter-spacing: -0.062em;
  line-height: 0.95;
}

.coach-section { position: relative; }
.coach-section h2 { max-width: 22ch; }
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-top: clamp(4rem, 7vw, 6.5rem); }
.advantage-grid > div {
  min-height: 15rem;
  padding: 2rem;
  border: 1px solid color-mix(in srgb, var(--color-border) 58%, transparent);
  border-radius: 1.75rem;
  background: color-mix(in srgb, var(--color-bg-elevated) 72%, transparent);
  transition: background-color 320ms var(--ease-standard), border-color 320ms var(--ease-standard), transform 320ms var(--ease-standard);
}
.advantage-grid > div + div { padding-left: 2rem; }
.advantage-grid > div:hover { border-color: var(--color-border); background: var(--color-bg-elevated); transform: translateY(-3px); }
.advantage-grid span { color: var(--color-accent); font-size: var(--font-size-xs); font-weight: 800; letter-spacing: 0.08em; }
.advantage-grid h3 { margin: 3.5rem 0 var(--space-3); font-size: 1.25rem; }
.advantage-grid p { max-width: 17rem; margin: 0; color: var(--color-text-muted); font-size: var(--font-size-sm); line-height: 1.65; }

.product-shot,
.studio-product-shot {
  position: relative;
  margin-block: clamp(5rem, 9vw, 8rem) 0;
}

.product-shot::before,
.studio-product-shot::before {
  position: absolute;
  z-index: -1;
  inset: 8% 9% -3%;
  border-radius: 3rem;
  background: radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--color-text) 5%, transparent), transparent 68%);
  content: "";
  filter: blur(2rem);
  opacity: 0.7;
}

.product-shot img,
.studio-product-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid color-mix(in srgb, var(--color-border) 66%, transparent);
  border-radius: 2rem;
  box-shadow: 0 36px 110px rgb(0 0 0 / 0.2), 0 0 0 1px rgb(255 255 255 / 0.018) inset;
  transition: border-color 500ms var(--ease-standard), transform 700ms var(--ease-standard), box-shadow 700ms var(--ease-standard);
}

.product-shot:hover img,
.studio-product-shot:hover img { border-color: var(--color-border); transform: translateY(-3px); box-shadow: 0 44px 130px rgb(0 0 0 / 0.26); }

.product-shot figcaption,
.studio-product-shot figcaption {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.01em;
}

.product-shot--secondary { width: min(calc(100% - 7rem), 86rem); margin-top: clamp(7rem, 11vw, 11rem); }

.client-section { position: relative; }
.client-section::before { position: absolute; inset: 0; background: radial-gradient(circle at 22% 48%, color-mix(in srgb, var(--color-text) 3%, transparent), transparent 30rem); content: ""; pointer-events: none; }
.split-layout { display: grid; grid-template-columns: minmax(23rem, 0.92fr) minmax(0, 1.08fr); align-items: center; gap: clamp(5rem, 10vw, 10rem); }
.client-phone { position: relative; min-height: 53rem; }
.client-device { width: min(18rem, 68%); box-shadow: 0 34px 100px rgb(0 0 0 / 0.35); }
.client-device--front { z-index: 2; top: 5%; right: 0; transform: rotate(2.2deg); }
.client-device--rear { z-index: 1; bottom: 2%; left: 0; transform: rotate(-5deg) scale(0.94); opacity: 0.88; }
.feature-list { margin: var(--space-8) 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; align-items: center; gap: var(--space-5); padding-block: 1.2rem; border-bottom: 1px solid color-mix(in srgb, var(--color-border) 62%, transparent); font-size: var(--font-size-lg); font-weight: 650; }
.feature-list li > span:first-child { color: var(--color-accent); font-size: var(--font-size-xs); }
.feature-list__label { color: inherit; font-size: inherit; }

.studio-showcase { position: relative; padding-block: clamp(9rem, 13vw, 14rem); overflow: hidden; color: var(--color-text); }
.studio-showcase::before { position: absolute; top: -20rem; left: 50%; width: 70rem; height: 42rem; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--color-text) 3.5%, transparent), transparent 70%); content: ""; transform: translateX(-50%); pointer-events: none; }
.studio-showcase h2 { color: var(--color-text); }
.studio-showcase__copy { text-align: center; }
.studio-showcase__copy > p:not(.eyebrow) { max-width: 34rem; margin: 1.75rem auto 0; color: var(--color-text-muted); font-size: var(--font-size-lg); line-height: 1.6; }
.studio-showcase__copy .button { margin-top: var(--space-8); }
.studio-showcase__copy > small { display: block; margin-top: var(--space-4); color: var(--color-text-muted); }
.studio-product-shot { isolation: isolate; }
.studio-product-shot img { border-color: rgb(255 255 255 / 0.08); box-shadow: 0 50px 150px rgb(0 0 0 / 0.55); }
.studio-product-shot figcaption { color: var(--color-text-muted); text-align: center; }
.split-layout--wide { grid-template-columns: 0.8fr 1.2fr; }
.nutrition-photo { margin: 0; }
.nutrition-photo picture { display: block; }
.nutrition-photo img { width: 100%; min-height: 34rem; border-radius: 2rem; object-fit: cover; box-shadow: 0 30px 90px rgb(0 0 0 / 0.18); }
.nutrition-photo figcaption { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--font-size-sm); }

.progress-section { padding-top: clamp(8rem, 13vw, 14rem); }
.progress-copy { text-align: center; }
.progress-copy .section-lead { margin-inline: auto; }
.security-section { padding-block: clamp(9rem, 13vw, 14rem); }
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-top: clamp(4rem, 7vw, 7rem); }
.security-grid > div { min-height: 12rem; padding: 2rem; border: 1px solid color-mix(in srgb, var(--color-border) 55%, transparent); border-radius: 1.75rem; background: color-mix(in srgb, var(--color-bg-elevated) 58%, transparent); }
.security-grid svg { width: 1.75rem; height: 1.75rem; fill: none; stroke: var(--color-accent); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.security-grid h3 { max-width: 13rem; margin: 3rem 0 0; font-size: var(--font-size-md); font-weight: 640; line-height: 1.4; }

.final-cta { position: relative; padding-block: clamp(10rem, 16vw, 17rem); overflow: hidden; text-align: center; }
.final-cta::before { position: absolute; top: -24rem; left: 50%; width: 70rem; height: 55rem; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--color-text) 4%, transparent), transparent 68%); content: ""; transform: translateX(-50%); pointer-events: none; }
.final-cta .container { position: relative; }
.final-cta h2 { margin-inline: auto; }
.final-cta p:not(.eyebrow) { margin: var(--space-6) auto 0; color: var(--color-text-muted); font-size: var(--font-size-lg); }
.final-cta__actions { justify-content: center; }
[aria-disabled="true"].button { cursor: not-allowed; opacity: 0.7; }

.landing-footer { padding: 6rem 0 2.5rem; border-top: 1px solid color-mix(in srgb, var(--color-border) 58%, transparent); }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: var(--space-10); }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-3); }
.footer-grid h2 { margin: 0 0 var(--space-2); font-size: var(--font-size-sm); letter-spacing: 0; }
.footer-brand p { max-width: 20rem; margin-top: var(--space-4); color: var(--color-text-muted); font-size: var(--font-size-sm); }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-4); margin-top: 4rem; padding-top: 1.75rem; border-top: 1px solid color-mix(in srgb, var(--color-border) 58%, transparent); color: var(--color-text-subtle); font-size: var(--font-size-xs); }

.reveal-ready [data-reveal] { opacity: 0; transform: translateY(2rem); transition: opacity 900ms var(--ease-standard), transform 900ms var(--ease-standard); }
.reveal-ready [data-reveal][data-reveal-delay="1"] { transition-delay: 120ms; }
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 64rem) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(24rem, 0.95fr); gap: 3rem; }
  .hero h1 { font-size: clamp(3.6rem, 6.3vw, 5.3rem); }
  .hero-product { min-height: 43rem; }
  .phone--front { right: 2%; }
  .phone--rear { left: 0; }
  .client-phone { min-height: 46rem; }
  .advantage-grid > div { min-height: 14rem; padding: 1.6rem; }
  .advantage-grid > div + div { padding-left: 1.6rem; }
}

@media (max-width: 52rem) {
  .landing-nav__links { display: none; }
  .landing-nav__actions { margin-left: auto; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 5rem; padding-top: calc(var(--header-height) + 6rem); padding-bottom: 8rem; text-align: center; }
  .hero h1 { max-width: none; }
  .hero__lead { margin-inline: auto; }
  .hero__actions { justify-content: center; }
  .product-preview-note { margin-inline: auto; }
  .hero-product { width: min(100%, 42rem); min-height: 48rem; margin-inline: auto; }
  .phone--front { right: 12%; }
  .phone--rear { left: 12%; }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-8); }
  .split-layout,
  .split-layout--wide { grid-template-columns: 1fr; }
  .client-phone { order: 2; width: min(100%, 38rem); min-height: 50rem; margin-inline: auto; }
  .client-section .split-copy { order: 1; text-align: center; }
  .client-section .section-lead { margin-inline: auto; }
  .feature-list { max-width: 32rem; margin-inline: auto; text-align: left; }
  .nutrition-photo { margin-top: var(--space-8); }
  .product-shot--secondary { width: min(100% - (2 * var(--space-6)), var(--container-wide)); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr repeat(3, 1fr); }
}

@media (max-width: 38rem) {
  .landing-nav { width: calc(100% - (2 * var(--space-4))); }
  .landing-nav__store { display: none; }
  .landing-nav__actions { gap: 0; }
  .language-picker { margin-right: var(--space-1); }
  .language-toggle { min-height: 2.6rem; padding-inline: 0.65rem; }
  .language-toggle__icon { display: none; }
  .hero { gap: 4rem; padding-top: calc(var(--header-height) + 4.5rem); padding-bottom: 7rem; text-align: left; }
  .hero h1 { font-size: clamp(3.1rem, 14.5vw, 4.6rem); line-height: 0.93; }
  .hero__lead { margin-inline: 0; font-size: var(--font-size-lg); }
  .hero__actions { align-items: stretch; justify-content: flex-start; }
  .hero__actions .button { width: 100%; }
  .product-preview-note { margin-inline: 0; }
  .hero-product { min-height: 36rem; }
  .phone { width: 12.25rem; }
  .phone--front { right: 0; }
  .phone--rear { left: 0; }
  .hero-product__mark { width: 6rem; }
  .product-section { padding-block: 7.5rem; }
  .product-section h2,
  .studio-showcase h2,
  .security-section h2,
  .final-cta h2 { font-size: clamp(2.85rem, 12.5vw, 4rem); line-height: 0.98; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-grid > div { min-height: 13rem; padding: 1.6rem; }
  .advantage-grid > div + div { padding-left: 1.6rem; }
  .advantage-grid h3 { margin-top: 3rem; }
  .product-shot,
  .studio-product-shot { margin-top: 4rem; }
  .product-shot img,
  .studio-product-shot img,
  .nutrition-photo img { border-radius: 1.25rem; }
  .product-shot--secondary { width: min(100% - (2 * var(--space-4)), var(--container-wide)); margin-top: 6rem; }
  .client-phone { min-height: 38rem; }
  .client-device { width: 12.5rem; }
  .client-device--front { right: 0; }
  .client-device--rear { left: 0; }
  .nutrition-photo img { min-height: 22rem; }
  .studio-showcase { padding-block: 8rem; }
  .security-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .security-grid > div { min-height: 10rem; }
  .final-cta { padding-block: 9rem; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-ready [data-reveal] { opacity: 1; transform: none; transition: none; }
  .phone--front { animation: none; transform: rotate(1.6deg); }
  .phone--rear { animation: none; transform: rotate(-4.5deg) scale(0.94); }
  .product-shot:hover img,
  .studio-product-shot:hover img,
  .advantage-grid > div:hover,
  .landing-page .button:hover { transform: none; }
}