@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Tamil:wght@500;600&display=swap");

:root {
  --bg: oklch(0.145 0.025 250);
  --bg-deep: oklch(0.105 0.018 250);
  --surface: oklch(0.205 0.035 250);
  --surface-high: oklch(0.255 0.045 250);
  --line: oklch(0.39 0.045 250 / 0.55);
  --line-soft: oklch(0.48 0.035 250 / 0.24);
  --ink: oklch(0.975 0.008 245);
  --ink-soft: oklch(0.82 0.025 245);
  --ink-muted: oklch(0.7 0.03 245);
  --blue: oklch(0.62 0.17 255);
  --blue-bright: oklch(0.76 0.12 240);
  --blue-dark: oklch(0.36 0.12 255);
  --whatsapp: oklch(0.72 0.19 145);
  --whatsapp-dark: oklch(0.59 0.17 145);
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Manrope", Arial, sans-serif;
  --tamil: "Noto Sans Tamil", var(--body);
  --shell: min(1240px, calc(100vw - 48px));
  --header-height: 84px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --z-header: 30;
  --z-mobile-cta: 40;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg-deep);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--blue);
  color: var(--ink);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--bg-deep);
  transform: translateY(-160%);
  transition: transform 180ms var(--ease-out);
}

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

:focus-visible {
  outline: 3px solid var(--blue-bright);
  outline-offset: 4px;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding-block: clamp(88px, 11vw, 164px);
}

.site-header {
  position: fixed;
  z-index: var(--z-header);
  inset: 0 0 auto;
  height: var(--header-height);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding-inline: max(24px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid transparent;
  transition:
    background-color 260ms ease,
    border-color 260ms ease,
    backdrop-filter 260ms ease;
}

.header-tools {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-toggle {
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line);
  background: oklch(0.12 0.025 250 / 0.54);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition:
    border-color 180ms ease,
    background-color 180ms ease;
}

.language-toggle:hover {
  border-color: var(--blue-bright);
  background: var(--surface);
}

.site-header.is-scrolled,
.site-header.is-open {
  background: oklch(0.12 0.025 250 / 0.92);
  border-color: var(--line-soft);
  backdrop-filter: blur(18px) saturate(1.2);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
}

.brand-logo {
  width: clamp(178px, 15vw, 224px);
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0.96;
}

.footer-logo {
  width: min(250px, 100%);
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  aspect-ratio: 1;
  background: var(--blue);
  color: var(--ink);
  font: 800 25px/1 var(--display);
  letter-spacing: -0.03em;
  box-shadow: inset 0 0 0 1px oklch(0.9 0.04 245 / 0.2);
}

.brand-copy,
.footer-brand div {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-copy strong,
.footer-brand strong {
  font: 700 22px/1 var(--display);
  text-transform: uppercase;
  letter-spacing: 0.035em;
}

.brand-copy small,
.footer-brand small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 44px);
}

.site-nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 -9px;
  height: 1px;
  background: var(--blue-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 240ms var(--ease-out);
}

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

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-height: 44px;
  padding: 0 17px;
  background: var(--whatsapp);
  color: oklch(0.16 0.055 150);
  font-size: 13px;
  font-weight: 800;
  transition:
    transform 180ms var(--ease-out),
    background-color 180ms ease;
}

.header-cta:hover {
  background: oklch(0.78 0.19 145);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: max(720px, 100svh);
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  overflow: hidden;
  background: var(--bg-deep);
}

.hero-video,
.hero-wash,
.hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-video {
  z-index: -4;
  object-fit: cover;
  object-position: center 38%;
  filter: saturate(0.76) contrast(1.08) brightness(0.76);
  transform: scale(1.02);
}

.hero-wash {
  z-index: -3;
  background:
    linear-gradient(90deg, oklch(0.09 0.025 250 / 0.96) 0%, oklch(0.11 0.035 250 / 0.82) 43%, oklch(0.1 0.03 250 / 0.28) 76%),
    linear-gradient(0deg, oklch(0.08 0.025 250 / 0.96) 0%, transparent 48%, oklch(0.08 0.02 250 / 0.42) 100%);
}

.hero-grid {
  z-index: -2;
  opacity: 0.22;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
}

.hero-content {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  padding-top: calc(var(--header-height) + 72px);
  padding-bottom: clamp(90px, 11vh, 130px);
}

.hero-copy {
  width: min(760px, 72vw);
  min-width: 0;
  animation: hero-copy-in 900ms 120ms var(--ease-out) both;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 11px;
  width: fit-content;
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero-kicker b,
.inline-link b,
.hero h1 b {
  font: inherit;
}

.hero h1 b {
  display: block;
  letter-spacing: 0.025em;
  word-spacing: 0.08em;
}

.hero-kicker span {
  width: 32px;
  height: 2px;
  background: var(--blue-bright);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2 {
  text-wrap: balance;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font: 700 clamp(4rem, 8vw, 6rem) / 0.84 var(--display);
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.hero h1 span {
  display: block;
  color: var(--blue-bright);
}

html[lang="ta"] .hero h1 span {
  margin-top: 0.08em;
  font-family: var(--tamil);
  font-size: 0.78em;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

html[lang="ta"] .section-intro h2,
html[lang="ta"] .machine-heading h2,
html[lang="ta"] .process-heading h2,
html[lang="ta"] .film-copy h2,
html[lang="ta"] .coverage h2,
html[lang="ta"] .faq h2,
html[lang="ta"] .contact h2 {
  font-family: var(--tamil);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.hero-lede {
  max-width: 610px;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: stretch;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 62px;
  transition:
    transform 180ms var(--ease-out),
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-whatsapp {
  gap: 14px;
  min-width: 310px;
  justify-content: flex-start;
  padding: 11px 20px;
  background: var(--whatsapp);
  color: oklch(0.14 0.045 150);
}

.button-whatsapp:hover {
  background: oklch(0.78 0.19 145);
}

.button-whatsapp svg {
  width: 27px;
  fill: currentColor;
  flex: 0 0 auto;
}

.button-whatsapp span {
  display: flex;
  flex-direction: column;
  line-height: 1.18;
}

.button-whatsapp strong {
  font-size: 14px;
  font-weight: 800;
}

.button-whatsapp small {
  margin-top: 5px;
  font-size: 11px;
  font-weight: 600;
}

.button-quiet {
  padding-inline: 24px;
  border: 1px solid var(--line);
  background: oklch(0.14 0.025 250 / 0.48);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.button-quiet:hover {
  border-color: var(--blue-bright);
  background: oklch(0.22 0.045 250 / 0.72);
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 14px;
  width: min(340px, 28vw);
  padding: 18px 0 18px 22px;
  border-left: 1px solid var(--line);
  animation: hero-copy-in 900ms 350ms var(--ease-out) both;
}

.status-light {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--whatsapp);
  box-shadow: 0 0 18px var(--whatsapp);
  flex: 0 0 auto;
}

.hero-status div {
  display: flex;
  flex-direction: column;
}

.hero-status small {
  color: var(--ink-muted);
  font-size: 10px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero-status strong {
  margin-top: 5px;
  font: 600 17px/1.2 var(--display);
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.video-toggle {
  position: absolute;
  right: 24px;
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border: 1px solid var(--line-soft);
  background: oklch(0.1 0.02 250 / 0.62);
  color: var(--ink-soft);
  font-size: 10px;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.pause-icon {
  width: 9px;
  height: 9px;
  border-inline: 2px solid currentColor;
}

.video-toggle[aria-pressed="true"] .pause-icon {
  border: 0;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-muted);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue i {
  width: 46px;
  height: 1px;
  overflow: hidden;
  background: var(--line);
}

.scroll-cue i::after {
  content: "";
  display: block;
  width: 60%;
  height: 1px;
  background: var(--blue-bright);
  animation: scan-line 2s var(--ease-standard) infinite;
}

.services {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(480px, 1.4fr);
  gap: clamp(64px, 9vw, 140px);
}

.section-index,
.machine-heading > p,
.film-copy > p,
.contact-inner > p:first-child {
  margin: 0 0 20px;
  color: var(--blue-bright);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.105em;
  text-transform: uppercase;
}

.section-intro h2,
.machine-heading h2,
.process-heading h2,
.film-copy h2,
.coverage h2,
.faq h2,
.contact h2 {
  margin: 0;
  font: 700 clamp(3rem, 5.6vw, 5.4rem) / 0.92 var(--display);
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.section-intro > p:last-child {
  max-width: 46ch;
  margin: 30px 0 0;
  color: var(--ink-soft);
}

.service-list {
  border-top: 1px solid var(--line);
}

.service-row {
  display: grid;
  grid-template-columns: 44px minmax(180px, 0.8fr) 1.2fr;
  gap: 24px;
  align-items: baseline;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
  transition:
    padding-inline 240ms var(--ease-out),
    background-color 240ms ease;
}

.service-row:hover {
  padding-inline: 16px;
  background: oklch(0.25 0.055 250 / 0.45);
}

.service-row > span {
  color: var(--blue-bright);
  font: 600 13px/1 var(--display);
}

.service-row h3 {
  margin: 0;
  font: 600 clamp(24px, 2.4vw, 34px) / 1 var(--display);
  text-transform: uppercase;
}

.service-row p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.machines {
  position: relative;
  overflow: hidden;
  padding: clamp(86px, 10vw, 150px) 0;
  background:
    radial-gradient(circle at 18% 20%, oklch(0.45 0.16 255 / 0.35), transparent 34%),
    linear-gradient(125deg, var(--surface-high), var(--bg-deep));
  border-block: 1px solid var(--line-soft);
}

.machine-marquee {
  position: absolute;
  top: 20px;
  left: -2vw;
  display: flex;
  align-items: center;
  gap: 30px;
  width: max-content;
  color: oklch(0.82 0.09 245 / 0.075);
  font: 800 clamp(82px, 11vw, 170px) / 0.8 var(--display);
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.machine-marquee i {
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  transform: rotate(45deg);
}

.machines-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.72fr;
  gap: 80px;
  align-items: end;
  padding-top: 70px;
}

.machine-copy {
  max-width: 54ch;
}

.machine-copy p {
  margin: 0 0 28px;
  color: var(--ink-soft);
}

.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--blue-bright);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.inline-link span {
  transition: transform 180ms var(--ease-out);
}

.inline-link:hover span {
  transform: translate(3px, -3px);
}

.process {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(64px, 9vw, 140px);
}

.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.process-steps li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.process-steps li > span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--blue);
  color: var(--ink);
  font: 700 19px/1 var(--display);
}

.process-steps h3 {
  margin: 0 0 8px;
  font: 600 28px/1 var(--display);
  text-transform: uppercase;
}

.process-steps p {
  max-width: 58ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.film-section {
  padding: clamp(88px, 10vw, 150px) 0;
  background: oklch(0.115 0.018 250);
  border-block: 1px solid var(--line-soft);
}

.film-copy {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 44px;
}

.film-copy > p {
  align-self: flex-start;
  margin-top: 8px;
}

.film-frame {
  position: relative;
  min-height: 640px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, oklch(0.22 0.08 255 / 0.5), transparent 50%),
    url("assets/images/gk-services-team.jpg") center / cover;
}

.film-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: oklch(0.08 0.02 250 / 0.63);
  backdrop-filter: blur(12px);
}

.film-frame video {
  position: relative;
  width: min(360px, 76vw);
  max-height: 590px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: black;
  box-shadow: 0 32px 90px oklch(0.03 0.01 250 / 0.78);
}

.coverage {
  position: relative;
  min-height: 650px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(110deg, oklch(0.17 0.045 250), oklch(0.29 0.105 255));
}

.coverage-word {
  position: absolute;
  inset: 50% auto auto 50%;
  color: oklch(0.9 0.06 245 / 0.075);
  font: 800 min(18vw, 270px) / 0.75 var(--display);
  letter-spacing: -0.045em;
  white-space: nowrap;
  transform: translate(-50%, -50%);
}

.coverage-content {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.62fr;
  gap: 90px;
  align-items: end;
}

.coverage-detail {
  padding: 25px 0 4px 26px;
  border-left: 1px solid oklch(0.82 0.08 245 / 0.35);
}

.coverage-detail > p {
  margin: 0;
  color: oklch(0.9 0.02 245);
}

.coverage-signal {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.coverage-signal span {
  width: 32px;
  height: 2px;
  background: var(--whatsapp);
}

.faq {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(64px, 9vw, 140px);
}

.faq-heading p {
  max-width: 34ch;
  color: var(--ink-soft);
}

.faq-list {
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  position: relative;
  padding: 27px 50px 27px 0;
  color: var(--ink);
  font: 600 23px/1.2 var(--display);
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before,
summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 8px;
  width: 17px;
  height: 1px;
  background: var(--blue-bright);
  transition: transform 220ms var(--ease-out);
}

summary::after {
  transform: rotate(90deg);
}

details[open] summary::after {
  transform: rotate(0deg);
}

details p {
  max-width: 62ch;
  margin: -2px 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
}

.contact {
  position: relative;
  overflow: hidden;
  padding: clamp(100px, 13vw, 190px) 0;
  background: var(--bg-deep);
  text-align: center;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black, transparent 70%);
}

.contact-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(900px, 90vw);
  height: 500px;
  border-radius: 50%;
  background: oklch(0.47 0.18 255 / 0.24);
  filter: blur(90px);
  transform: translate(-50%, -50%);
}

.contact-inner {
  position: relative;
}

.contact h2 {
  max-width: 920px;
  margin-inline: auto;
  font-size: clamp(3.6rem, 8vw, 6rem);
}

.contact-support {
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-family: var(--tamil);
  font-size: clamp(15px, 1.8vw, 19px);
}

.contact-action {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  width: min(500px, 100%);
  margin: 42px auto 0;
  padding: 14px 17px;
  background: var(--whatsapp);
  color: oklch(0.14 0.045 150);
  text-align: left;
  transition:
    transform 220ms var(--ease-out),
    box-shadow 220ms ease,
    background-color 220ms ease;
}

.contact-action:hover {
  background: oklch(0.78 0.19 145);
  box-shadow: 0 18px 50px oklch(0.72 0.19 145 / 0.2);
  transform: translateY(-4px);
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 50px;
  aspect-ratio: 1;
  background: oklch(0.96 0.02 145 / 0.9);
}

.contact-icon svg {
  width: 28px;
  fill: var(--whatsapp-dark);
}

.contact-action > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.contact-action small {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-action strong {
  margin-top: 5px;
  font: 700 29px/1 var(--display);
  letter-spacing: 0.02em;
}

.contact-action i {
  font-style: normal;
  font-size: 22px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 32px;
  align-items: center;
  min-height: 150px;
  color: var(--ink-muted);
  font-size: 11px;
}

.site-footer > p:nth-child(2) {
  text-align: center;
}

.site-footer > p:last-child {
  text-align: right;
}

.mobile-whatsapp {
  display: none;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 700ms var(--ease-out),
    transform 700ms var(--ease-out);
}

.reveal.is-visible {
  animation: section-settle 700ms var(--ease-out) both;
}

@keyframes hero-copy-in {
  from {
    opacity: 0;
    transform: translateY(30px);
    clip-path: inset(0 0 18% 0);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    clip-path: inset(0);
  }
}

@keyframes scan-line {
  0% { transform: translateX(-110%); }
  60%, 100% { transform: translateX(180%); }
}

@keyframes section-settle {
  from {
    opacity: 0.86;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  :root {
    --header-height: 74px;
  }

  .site-header {
    grid-template-columns: 1fr auto auto;
    gap: 9px;
    padding-inline: 24px;
  }

  .header-tools {
    grid-column: 2;
    grid-row: 1;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: grid;
    place-content: center;
    gap: 7px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--line-soft);
    background: oklch(0.13 0.025 250 / 0.7);
    color: var(--ink);
    grid-column: 3;
    grid-row: 1;
  }

  .menu-toggle span:not(.sr-only) {
    display: block;
    width: 18px;
    height: 1px;
    background: currentColor;
    transition: transform 220ms var(--ease-out);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 22px 24px 32px;
    background: oklch(0.12 0.025 250 / 0.98);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    visibility: hidden;
    transition:
      transform 320ms var(--ease-out),
      visibility 320ms;
  }

  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    padding: 16px 0;
    border-bottom: 1px solid var(--line-soft);
    font: 600 26px/1 var(--display);
    text-transform: uppercase;
  }

  .site-nav a::after,
  .header-cta {
    display: none;
  }

  .hero-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy {
    width: min(760px, 100%);
  }

  .hero-status {
    width: min(420px, 100%);
  }

  .services,
  .process,
  .faq,
  .coverage-content,
  .machines-inner {
    grid-template-columns: 1fr;
  }

  .services,
  .process,
  .faq {
    gap: 60px;
  }

  .machines-inner,
  .coverage-content {
    gap: 48px;
  }

  .coverage-detail {
    max-width: 620px;
  }

  .film-copy {
    display: block;
  }

  .film-copy > p {
    margin-bottom: 20px;
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
    padding-block: 36px;
  }

  .site-footer > p:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: left;
  }
}

@media (max-width: 680px) {
  :root {
    --shell: calc(100vw - 32px);
  }

  body {
    padding-bottom: 78px;
  }

  .brand-mark {
    width: 42px;
    font-size: 22px;
  }

  .brand-logo {
    width: 150px;
  }

  .brand-copy strong {
    font-size: 19px;
  }

  .brand-copy small {
    display: none;
  }

  .language-toggle {
    min-height: 42px;
    padding-inline: 11px;
    font-size: 11px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-video {
    object-position: center;
  }

  .hero-wash {
    background:
      linear-gradient(0deg, oklch(0.08 0.025 250 / 0.97) 0%, oklch(0.09 0.025 250 / 0.68) 60%, oklch(0.08 0.02 250 / 0.35) 100%),
      linear-gradient(90deg, oklch(0.08 0.02 250 / 0.6), transparent);
  }

  .hero-grid {
    background-size: 48px 48px;
    mask-image: linear-gradient(0deg, black, transparent 70%);
  }

  .hero-content {
    gap: 30px;
    padding-top: 130px;
    padding-bottom: 88px;
  }

  .hero-kicker {
    font-size: 10px;
  }

  .hero h1 {
    font-size: clamp(3.75rem, 18.5vw, 5.2rem);
    line-height: 0.86;
  }

  .hero h1 b {
    letter-spacing: 0.018em;
    word-spacing: 0.06em;
  }

  html[lang="ta"] .hero h1 span {
    font-size: 0.67em;
    line-height: 1.15;
  }

  .hero-lede {
    margin-top: 24px;
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    margin-top: 28px;
  }

  .button-whatsapp {
    min-width: 0;
    width: 100%;
  }

  .button-quiet {
    width: 100%;
  }

  .hero-status {
    padding: 15px 0 15px 18px;
  }

  .video-toggle {
    right: 16px;
    bottom: 16px;
  }

  .scroll-cue {
    display: none;
  }

  .section {
    padding-block: 86px;
  }

  .section-intro h2,
  .machine-heading h2,
  .process-heading h2,
  .film-copy h2,
  .coverage h2,
  .faq h2 {
    font-size: clamp(2.9rem, 14vw, 4.3rem);
  }

  .service-row {
    grid-template-columns: 36px 1fr;
    gap: 8px 14px;
    padding: 24px 0;
  }

  .service-row p {
    grid-column: 2;
  }

  .service-row:hover {
    padding-inline: 8px;
  }

  .machine-marquee {
    top: 32px;
  }

  .machines-inner {
    padding-top: 45px;
  }

  .process-steps li {
    grid-template-columns: 52px 1fr;
  }

  .film-frame {
    min-height: 590px;
    width: 100%;
  }

  .film-frame video {
    width: min(330px, 80vw);
    max-height: 550px;
  }

  .coverage {
    min-height: 690px;
  }

  .coverage-word {
    font-size: 31vw;
    transform: translate(-50%, -55%) rotate(-90deg);
  }

  .coverage-detail {
    padding-left: 18px;
  }

  .faq-heading p {
    margin-bottom: 0;
  }

  summary {
    font-size: 21px;
  }

  .contact h2 {
    font-size: clamp(3.25rem, 15vw, 4.8rem);
  }

  .contact-action {
    gap: 12px;
    padding: 12px;
  }

  .contact-icon {
    width: 46px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-block: 36px;
  }

  .site-footer > p,
  .site-footer > p:nth-child(2),
  .site-footer > p:last-child {
    grid-column: auto;
    grid-row: auto;
    margin: 0;
    text-align: left;
  }

  .mobile-whatsapp {
    position: fixed;
    z-index: var(--z-mobile-cta);
    inset: auto 10px 10px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    min-height: 62px;
    padding: 9px 14px;
    background: var(--whatsapp);
    color: oklch(0.14 0.045 150);
    box-shadow: 0 16px 44px oklch(0.04 0.02 250 / 0.55);
  }

  .mobile-whatsapp > span:nth-child(2) {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }

  .mobile-whatsapp strong {
    font-size: 13px;
  }

  .mobile-whatsapp small {
    margin-top: 3px;
    font-size: 10px;
    font-weight: 600;
  }

  .mobile-whatsapp i {
    font-style: normal;
    font-size: 20px;
  }

  .mobile-whatsapp .status-light {
    background: oklch(0.98 0.02 145);
    box-shadow: none;
  }
}

@media (max-width: 390px) {
  .site-header {
    gap: 7px;
    padding-inline: 16px;
  }

  .brand-logo {
    width: 132px;
  }

  .language-toggle {
    padding-inline: 8px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-video {
    display: none;
  }

  .hero {
    background:
      linear-gradient(90deg, oklch(0.09 0.025 250 / 0.97), oklch(0.1 0.03 250 / 0.5)),
      url("assets/images/gk-services-team.jpg") center / cover;
  }

  .video-toggle {
    display: none;
  }

  .reveal,
  .reveal.is-visible {
    opacity: 1;
    transform: none;
    animation: none;
  }
}