:root {
  --ink: #001d39;
  --navy: #0a4174;
  --steel: #49769f;
  --teal: #4e8ea2;
  --mist: #6ea2b3;
  --sky: #7bbde8;
  --ice: #bdd8e9;
  --paper: #f7fbfd;
  --white: #ffffff;
  --graphite: #16202c;
  --warm: #c46a3a;
  --line: rgba(0, 29, 57, 0.16);
  --shadow: 0 24px 80px rgba(0, 29, 57, 0.2);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 720ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 720ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

body {
  margin: 0;
  color: var(--graphite);
  background:
    linear-gradient(180deg, rgba(189, 216, 233, 0.95), rgba(247, 251, 253, 0.98) 42%, #ffffff 100%),
    var(--paper);
  font-family:
    Satoshi,
    "Avenir Next",
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  margin: 18px auto 0;
  padding: 10px;
  color: var(--white);
  background: rgba(0, 29, 57, 0.88);
  border: 1px solid rgba(189, 216, 233, 0.28);
  border-radius: var(--radius);
  box-shadow: 0 16px 44px rgba(0, 29, 57, 0.22);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.language-switcher,
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  overflow: hidden;
  border-radius: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  justify-content: center;
  gap: clamp(12px, 3vw, 32px);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
}

.nav-links a {
  padding: 8px 0;
}

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

.language-switcher {
  gap: 4px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 7px;
}

.lang-button {
  min-width: 38px;
  min-height: 32px;
  color: rgba(255, 255, 255, 0.78);
  background: transparent;
  border: 0;
  border-radius: 5px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}

.lang-button.is-active {
  color: var(--ink);
  background: var(--sky);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(360px, 0.92fr);
  gap: clamp(44px, 6vw, 86px);
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  min-height: calc(100vh - 86px);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 92px) 0 clamp(32px, 6vw, 64px);
}

.hero-copy {
  max-width: 680px;
  min-width: 0;
  position: relative;
  z-index: 4;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  color: var(--ink);
  max-width: 6.4em;
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 0.9;
  font-weight: 950;
  letter-spacing: 0;
  overflow-wrap: normal;
  text-wrap: balance;
}

h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 4.6rem);
  line-height: 0.96;
  font-weight: 900;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 1.18rem;
  line-height: 1.16;
}

.hero-lede {
  max-width: 580px;
  margin-bottom: 28px;
  color: rgba(22, 32, 44, 0.8);
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 1.42;
}

.hero-actions,
.contact-actions {
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 850;
  line-height: 1;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 18px 42px rgba(0, 29, 57, 0.24);
}

.button-secondary {
  color: var(--ink);
  background: var(--sky);
  border-color: rgba(0, 29, 57, 0.1);
}

.button-ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
  margin: 38px 0 0;
}

.hero-stats div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(0, 29, 57, 0.1);
  border-radius: var(--radius);
}

.hero-stats dt {
  color: var(--ink);
  font-weight: 950;
  font-size: 1.2rem;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: rgba(22, 32, 44, 0.64);
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
  z-index: 1;
  min-width: 0;
  min-height: 620px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(123, 189, 232, 0.95), rgba(10, 65, 116, 0.94)),
    var(--navy);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-visual::before,
.hero-visual::after {
  position: absolute;
  inset: auto auto 54px -32px;
  width: 320px;
  height: 190px;
  content: "";
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  transform: rotate(-22deg);
}

.hero-visual::after {
  inset: 42px -86px auto auto;
  width: 250px;
  height: 250px;
  background: rgba(0, 29, 57, 0.25);
}

.hero-sneaker {
  position: absolute;
  left: 50%;
  top: 49%;
  z-index: 2;
  width: min(88%, 560px);
  filter: drop-shadow(0 34px 36px rgba(0, 29, 57, 0.36));
  transform: translate(-50%, -50%) rotate(-7deg);
}

.before-after-strip {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
}

.before-after-strip span {
  padding: 16px;
  font-weight: 900;
  text-align: center;
  background: rgba(0, 29, 57, 0.72);
}

.before-after-strip span+span {
  color: var(--ink);
  background: rgba(189, 216, 233, 0.9);
}

section {
  scroll-margin-top: 96px;
}

.service-band,
.results-section,
.video-section,
.process-section,
.contact-section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(64px, 9vw, 112px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.48fr 1fr;
  gap: clamp(22px, 4vw, 54px);
  align-items: end;
  margin-bottom: 34px;
}

.service-grid,
.results-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.service-grid article {
  min-height: 250px;
  padding: 24px;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius);
}

.service-grid article:nth-child(2) {
  background: var(--navy);
}

.service-grid article:nth-child(3) {
  color: var(--ink);
  background: var(--ice);
}

.service-grid article:nth-child(3) h3 {
  color: var(--ink);
}

.service-grid h3 {
  color: var(--white);
}

.service-grid p {
  margin-bottom: 0;
  color: currentColor;
  line-height: 1.55;
  opacity: 0.78;
}

.service-number {
  display: block;
  margin-bottom: 74px;
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.14em;
}

.result-card {
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 46px rgba(0, 29, 57, 0.08);
}

.result-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--ice);
}

.result-card figcaption {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.result-card strong {
  color: var(--ink);
}

.result-card span {
  color: rgba(22, 32, 44, 0.68);
  line-height: 1.42;
}

.video-section {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(22px, 5vw, 64px);
  align-items: center;
}

.video-copy p:not(.eyebrow),
.contact-section p {
  max-width: 560px;
  color: rgba(22, 32, 44, 0.72);
  font-size: 1.05rem;
  line-height: 1.65;
}

.video-copy h2 {
  margin-bottom: 20px;
  line-height: 1.04;
}

.video-slot {
  position: relative;
  display: grid;
  align-content: start;
  width: 100%;
  max-width: 260px;
  aspect-ratio: 9 / 16;
  padding: 18px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius);
}

.video-slot::after {
  display: none;
}

.video-slot-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-slot span {
  position: relative;
  z-index: 3;
  font-weight: 900;
  max-width: calc(100% - 58px);
  pointer-events: none;
  text-shadow: 0 2px 14px rgba(0, 29, 57, 0.54);
}

.play-dot {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  width: 42px;
  height: 42px;
  pointer-events: none;
  background: var(--sky);
  border-radius: 50%;
  box-shadow: 0 12px 26px rgba(0, 29, 57, 0.28);
}

.play-dot::after {
  position: absolute;
  left: 17px;
  top: 12px;
  width: 0;
  height: 0;
  content: "";
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 13px solid var(--ink);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.process-list span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  background: var(--navy);
  border-radius: 6px;
  font-weight: 950;
}

.process-list p {
  margin: 0;
  line-height: 1.5;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin-bottom: 28px;
  padding: clamp(34px, 6vw, 54px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(0, 29, 57, 0.98), rgba(10, 65, 116, 0.94)),
    var(--ink);
  border-radius: var(--radius);
}

.contact-section .eyebrow,
.contact-section h2,
.contact-section p {
  color: var(--white);
}

.contact-section p {
  margin-bottom: 0;
  opacity: 0.76;
}

.contact-section .button-secondary {
  background: var(--ice);
}

.contact-section .button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}

.contact-actions {
  justify-content: flex-end;
  max-width: 320px;
}

.contact-actions .button {
  width: 100%;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
  color: rgba(22, 32, 44, 0.62);
  font-size: 0.92rem;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 950;
}

.whatsapp-float {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 50;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  background: #25d366;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  box-shadow: 0 14px 32px rgba(0, 29, 57, 0.22);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.whatsapp-float:hover {
  background: #1fb85a;
  box-shadow: 0 18px 42px rgba(0, 29, 57, 0.28);
  transform: translateY(-3px);
}

.whatsapp-float img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: none;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .section-heading,
  .video-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 520px;
  }

  .service-grid,
  .results-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .video-grid {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
  }

  .video-slot {
    scroll-snap-align: start;
  }

  .contact-actions {
    justify-content: flex-start;
    max-width: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: calc(100% - 20px);
    margin-top: 10px;
  }

  .brand {
    font-size: 0.72rem;
  }

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

  .language-switcher {
    gap: 2px;
  }

  .lang-button {
    min-width: 32px;
    min-height: 30px;
    font-size: 0.72rem;
  }

  .hero,
  .service-band,
  .results-section,
  .video-section,
  .process-section {
    width: calc(100% - 20px);
  }

  h1 {
    max-width: 100%;
    font-size: clamp(3.25rem, 16vw, 4.55rem);
    line-height: 0.92;
  }

  h2 {
    font-size: clamp(1.9rem, 11vw, 3rem);
  }

  .hero-actions .button,
  .contact-actions .button {
    width: 100%;
  }

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

  .hero-stats .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-visual {
    min-height: 330px;
  }

  .hero .hero-visual.reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-sneaker {
    width: 98%;
  }

  .service-number {
    margin-bottom: 42px;
  }

  .video-slot {
    position: relative;
    overflow: hidden;
    background: #001d39;
  }

  .contact-section {
    width: calc(100% - 20px);
    padding: 28px 18px;
  }

  .site-footer {
    flex-direction: column;
    width: calc(100% - 20px);
  }

  .whatsapp-float {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    width: 52px;
    height: 52px;
  }

  .whatsapp-float img {
    width: 31px;
    height: 31px;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}