/* ==========================================================================
   SkyEarth Innovation — landing page
   Palette sampled from the company logo: deep ocean blue (#034C79) and the
   cyan glow (#65D2E9), on near-black. Violet appears only as a secondary
   accent, matching the orbital arcs in the mark.
   ========================================================================== */

:root {
  --bg:          #05070A;
  --bg-alt:      #080C12;
  --surface:     #0C121A;
  --surface-2:   #111925;
  --line:        rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.16);

  --ink:         #F2F6FA;
  --ink-2:       #A8B6C4;
  --ink-3:       #6E7E8E;

  --cyan:        #35D6EE;
  --cyan-soft:   #65D2E9;
  --blue:        #1E7FC2;
  --blue-deep:   #034C79;
  --violet:      #8B8FE8;

  --radius:      16px;
  --radius-sm:   10px;
  --wrap:        1180px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }

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

html { overflow-x: clip; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* height:auto is essential — the width/height attributes on <img> (present so
   the browser can reserve layout space and avoid CLS) otherwise act as a
   presentational height and stretch the image when width is set in CSS. */
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--cyan); color: #04121A; padding: .75rem 1.25rem;
  border-radius: 0 0 var(--radius-sm) 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

:where(a, button, input, select, textarea):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Type ---------- */

h1, h2, h3, h4, h5 { margin: 0; line-height: 1.15; letter-spacing: -.02em; font-weight: 650; }
h1 { font-size: clamp(2.6rem, 6.2vw, 4.4rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.9rem); letter-spacing: -.03em; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1rem; }

.grad {
  background: linear-gradient(100deg, var(--cyan) 0%, var(--cyan-soft) 40%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.eyebrow {
  font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--cyan); margin: 0 0 1rem;
}

.lede { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--ink-2); max-width: 42ch; }
.lede strong { color: var(--ink); font-weight: 620; }

.body { color: var(--ink-2); max-width: 62ch; }
.body--lead { font-size: 1.12rem; color: var(--ink); }

.sec-head { max-width: 46rem; margin-bottom: 3.25rem; }
.sec-sub { color: var(--ink-2); margin-top: 1rem; font-size: 1.05rem; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7rem 1.25rem; border-radius: 999px;
  font-size: .92rem; font-weight: 620; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s var(--ease), background .18s, border-color .18s, box-shadow .18s;
  white-space: nowrap;
}
.btn--lg { padding: .95rem 1.7rem; font-size: 1rem; }

.btn--solid {
  background: linear-gradient(100deg, var(--cyan) 0%, var(--blue) 100%);
  color: #04121A;
  box-shadow: 0 6px 26px -8px rgba(53,214,238,.55);
}
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 12px 34px -10px rgba(53,214,238,.7); }

.btn--ghost { border-color: var(--line-strong); color: var(--ink); background: rgba(255,255,255,.03); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- WhatsApp ----------
   WhatsApp green is the platform's own brand colour, kept exact so the action
   is recognised instantly. It is used only for WhatsApp affordances and never
   as a general accent. */

.btn--wa {
  background: #25D366;
  color: #062B14;
  box-shadow: 0 6px 26px -8px rgba(37,211,102,.5);
}
.btn--wa:hover { background: #1FBE5B; transform: translateY(-2px); }
.wa-icon { width: 19px; height: 19px; flex-shrink: 0; }

/* Floating action button — the primary contact route on mobile in India. */
.wa-fab {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90;
  display: inline-flex; align-items: center; gap: .6rem;
  height: 56px; padding: 0 1.1rem; border-radius: 999px;
  background: #25D366; color: #062B14; text-decoration: none;
  font-weight: 650; font-size: .95rem;
  box-shadow: 0 10px 30px -8px rgba(37,211,102,.55), 0 2px 8px rgba(0,0,0,.4);
  transition: transform .2s var(--ease), box-shadow .2s, background .2s;
}
.wa-fab svg { width: 26px; height: 26px; flex-shrink: 0; }
.wa-fab:hover { background: #1FBE5B; transform: translateY(-3px); box-shadow: 0 16px 36px -10px rgba(37,211,102,.7); }
.wa-fab__label { white-space: nowrap; }

@media (max-width: 620px) {
  /* Collapse to a circle so it never covers content on a narrow screen. */
  .wa-fab { padding: 0; width: 56px; justify-content: center; right: 1rem; bottom: 1rem; }
  .wa-fab__label { display: none; }
}

@media print { .wa-fab { display: none; } }

/* ---------- Nav ---------- */

.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5,7,10,.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.nav.is-stuck { border-bottom-color: var(--line); background: rgba(5,7,10,.92); }

.nav__inner { display: flex; align-items: center; gap: 1.5rem; height: 72px; }

.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; flex-shrink: 0; }
.brand__mark { height: 40px; width: auto; }
.brand__text { font-weight: 700; letter-spacing: -.02em; font-size: 1.06rem; }
.brand__thin { font-weight: 400; color: var(--ink-2); }

.nav__links { display: flex; gap: 1.9rem; margin-left: auto; }
.nav__links a {
  text-decoration: none; color: var(--ink-2); font-size: .93rem; font-weight: 500;
  transition: color .18s; position: relative;
}
.nav__links a:hover { color: var(--ink); }

.nav__actions { display: flex; align-items: center; gap: .6rem; }

.nav__toggle {
  display: none; margin-left: auto; width: 42px; height: 42px;
  background: none; border: 1px solid var(--line-strong); border-radius: 10px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer;
}
.nav__toggle span { display: block; width: 17px; height: 1.6px; background: var(--ink); transition: transform .25s, opacity .2s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

.mobile { display: none; flex-direction: column; padding: .5rem 1.25rem 1.5rem; border-top: 1px solid var(--line); }
.mobile a { padding: .85rem .25rem; text-decoration: none; color: var(--ink-2); border-bottom: 1px solid var(--line); font-size: 1rem; }
.mobile__cta { margin-top: 1rem; text-align: center; background: linear-gradient(100deg, var(--cyan), var(--blue)); color: #04121A !important; border-radius: 999px; font-weight: 700; border-bottom: 0 !important; }

/* ---------- Hero ---------- */

.hero { position: relative; padding: clamp(3.5rem, 8vw, 7rem) 0 4.5rem; overflow: clip; }
.hero__glow {
  position: absolute; inset: -30% -10% auto -10%; height: 90vh; pointer-events: none;
  background:
    radial-gradient(48% 45% at 72% 38%, rgba(53,214,238,.20), transparent 68%),
    radial-gradient(38% 40% at 22% 18%, rgba(139,143,232,.14), transparent 70%);
  filter: blur(12px);
}
.hero__inner {
  position: relative; display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 3.5rem; align-items: center; margin-bottom: 4.5rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.25rem; }

.orb { position: relative; display: grid; place-items: center; aspect-ratio: 1; max-width: 480px; margin-inline: auto; overflow: clip; }
.orb__img { width: 88%; margin-inline: auto; filter: drop-shadow(0 0 60px rgba(53,214,238,.35)); }
.orb__ring {
  position: absolute; border-radius: 50%; border: 1px solid rgba(53,214,238,.16);
  animation: spin 26s linear infinite;
}
.orb__ring--1 { inset: 1%; border-top-color: rgba(53,214,238,.5); }
.orb__ring--2 { inset: 9%; border-bottom-color: rgba(139,143,232,.45); animation-duration: 40s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .orb__ring { animation: none; } }

/* ---------- Stats ---------- */

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; margin: 0;
}
.stat { background: var(--surface); padding: 1.6rem 1.4rem; }
.stat dt { font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: .55rem; }
.stat dd { margin: 0; }
.stat__num { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 680; letter-spacing: -.03em; color: var(--cyan); display: block; }
.stat__unit { font-size: .6em; }
.stat__sub { font-size: .82rem; color: var(--ink-3); display: block; margin-top: .3rem; }

/* ---------- Sections ---------- */

.section { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section--tech { background: radial-gradient(70% 100% at 80% 0%, rgba(3,76,121,.30), transparent 65%), var(--bg-alt); border-block: 1px solid var(--line); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.split--tech { gap: 4rem; align-items: center; }

/* ---------- Pressures list ---------- */

.pressures { list-style: none; margin: 0; padding: 0; display: grid; gap: .85rem; }
.pressures li {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem; transition: border-color .2s, transform .2s var(--ease);
}
.pressures li:hover { border-color: var(--line-strong); transform: translateX(4px); }
.pressures__k { display: block; font-weight: 650; color: var(--cyan); font-size: .9rem; margin-bottom: .25rem; }
.pressures__v { color: var(--ink-2); font-size: .95rem; }

/* ---------- Cards ---------- */

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem 1.75rem; display: flex; flex-direction: column;
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(53,214,238,.35); box-shadow: 0 22px 50px -28px rgba(53,214,238,.5); }
.card--feature { border-color: rgba(53,214,238,.3); background: linear-gradient(180deg, rgba(53,214,238,.06), transparent 42%), var(--surface); }

.card__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(53,214,238,.18), rgba(30,127,194,.10));
  border: 1px solid rgba(53,214,238,.22); color: var(--cyan); margin-bottom: 1.4rem;
}
.card__icon svg { width: 26px; height: 26px; }
.card__tag { color: var(--cyan); font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin: .5rem 0 .9rem; }
.card p { color: var(--ink-2); font-size: .96rem; }
.card__link {
  margin-top: auto; padding-top: 1.1rem; display: inline-flex; align-items: center; gap: .45rem;
  color: var(--cyan); text-decoration: none; font-weight: 620; font-size: .92rem;
}
.card__link:hover { gap: .75rem; }
.card__link svg { transition: transform .2s; }

.ticks { list-style: none; margin: 1.1rem 0 0; padding: 0; display: grid; gap: .55rem; }
.ticks li { position: relative; padding-left: 1.5rem; color: var(--ink-2); font-size: .92rem; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 0 3px rgba(53,214,238,.14);
}
.ticks--lg li { font-size: 1rem; padding-left: 1.7rem; }

/* ---------- Process flow ---------- */

.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; counter-reset: none; }
.flow__step {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.6rem 1.35rem;
  transition: border-color .25s, transform .25s var(--ease);
}
.flow__step:hover { border-color: rgba(53,214,238,.35); transform: translateY(-4px); }
/* Connector between stages — the process is a sequence, so say so visually. */
.flow__step::after {
  content: ""; position: absolute; top: 50%; right: -1rem; width: 1rem; height: 1px;
  background: linear-gradient(90deg, rgba(53,214,238,.5), rgba(53,214,238,.05));
}
.flow__step:last-child::after { display: none; }
.flow__n {
  display: block; font-size: .8rem; font-weight: 750; letter-spacing: .12em;
  color: var(--cyan); margin-bottom: .8rem;
}
.flow__step h3 { font-size: 1.02rem; margin-bottom: .55rem; }
.flow__step p { color: var(--ink-2); font-size: .89rem; margin: 0; }

/* ---------- Benefits ---------- */

.grid6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.benefit { padding: 1.6rem 0 0; border-top: 2px solid var(--line-strong); transition: border-color .25s; }
.benefit:hover { border-top-color: var(--cyan); }
.benefit h3 { font-size: 1.06rem; margin-bottom: .5rem; }
.benefit p { color: var(--ink-2); font-size: .95rem; margin: 0; }

/* ---------- Use cases ---------- */

.uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.use {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.75rem 1.5rem; transition: transform .25s var(--ease), border-color .25s, background .25s;
}
.use:hover { transform: translateY(-4px); border-color: rgba(53,214,238,.3); background: var(--surface-2); }
.use h3 { font-size: 1.14rem; }
.use__lead { color: var(--cyan); font-size: .8rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; margin: .45rem 0 .8rem; }
.use p:last-child { color: var(--ink-2); font-size: .94rem; margin: 0; }

/* ---------- Technology panel ---------- */

.panel {
  background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.9), 0 0 0 1px rgba(53,214,238,.08);
}
.panel__bar { display: flex; gap: .45rem; padding: .85rem 1rem; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.panel__bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.panel__body { padding: 1.4rem; }
.panel__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.panel__row--sm { margin-top: 1.1rem; padding-top: 1.1rem; border-top: 1px solid var(--line); }
.panel__kpi small { display: block; font-size: .72rem; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); margin-bottom: .3rem; }
.panel__kpi b { font-size: 1.5rem; font-weight: 680; letter-spacing: -.02em; }
.panel__kpi b i { font-style: normal; font-size: .58em; color: var(--ink-2); font-weight: 500; }
.panel__kpi .ok { color: var(--cyan); }
.panel__chart { width: 100%; height: 90px; margin-top: 1.2rem; display: block; }
.panel__note { margin-top: .9rem; font-size: .8rem; color: var(--ink-3); text-align: center; }

/* ---------- Team ---------- */

.team__title { margin: 4rem 0 1.75rem; font-size: 1.3rem; }
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.member { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.9rem 1.6rem; }
.member__avatar {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; letter-spacing: .04em; color: #04121A; margin-bottom: 1.1rem;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
}
.member h4 { font-size: 1.08rem; }
.member__role { color: var(--cyan); font-size: .84rem; font-weight: 650; margin: .3rem 0 .85rem; }
.member p:last-child { color: var(--ink-2); font-size: .92rem; margin: 0; }

/* ---------- Contact ---------- */

.section--cta { background: radial-gradient(60% 90% at 20% 10%, rgba(3,76,121,.35), transparent 60%), var(--bg-alt); border-top: 1px solid var(--line); }
.cta { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }

.contact-lines { margin-top: 2rem; display: grid; gap: .9rem; }
.contact-lines p { margin: 0; display: flex; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
.contact-lines span {
  min-width: 104px; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3);
}
.contact-lines a { color: var(--cyan); text-decoration: none; }
.contact-lines a:hover { text-decoration: underline; }

.form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.9rem;
}
.field { display: flex; flex-direction: column; gap: .4rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .8rem; color: var(--ink-2); font-weight: 550; }
.field input, .field select, .field textarea {
  background: var(--bg); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: .75rem .9rem; color: var(--ink); font: inherit; font-size: .95rem; width: 100%;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); outline: none; }
.field input[aria-invalid="true"], .field--error input { border-color: #E0645F; }
.form__alt { font-size: .87rem; color: var(--ink-3); margin: -.25rem 0 0; }
.form__alt a { color: var(--cyan); text-decoration: none; font-weight: 550; }
.form__alt a:hover { text-decoration: underline; }
.form__note { font-size: .88rem; margin: 0; min-height: 1.2em; }
.form__note.ok { color: var(--cyan); }
.form__note.err { color: #E0645F; }

/* ---------- Footer ---------- */

.footer { border-top: 1px solid var(--line); padding: 3.5rem 0 2rem; background: var(--bg); }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 2.5rem; }
.footer__blurb { color: var(--ink-3); font-size: .9rem; margin-top: 1rem; max-width: 30ch; }
.footer__col h5 { font-size: .76rem; letter-spacing: .13em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 1rem; font-weight: 700; }
.footer__col a, .footer__col p { display: block; color: var(--ink-2); text-decoration: none; font-size: .92rem; margin-bottom: .55rem; }
.footer__col a:hover { color: var(--cyan); }
.footer__base {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line);
}
.footer__base p { color: var(--ink-3); font-size: .84rem; margin: 0; }

/* ---------- Reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1080px) {
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow__step::after { display: none; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 940px) {
  .nav__links, .nav__dash { display: none; }
  .nav__actions { margin-left: auto; }
  .nav__toggle { display: flex; margin-left: .5rem; }
  .mobile[data-open="true"] { display: flex; }

  .hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__art { order: -1; }
  .orb { max-width: 300px; }
  .lede { max-width: none; }

  .split, .split--tech, .cta { grid-template-columns: 1fr; gap: 2.25rem; }
  .cards, .grid6, .uses, .team { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { width: min(100% - 1.75rem, var(--wrap)); }

  /* The header CTA duplicates one already in the mobile menu, and at this
     width brand + CTA + hamburger no longer fit on one row. */
  .nav__actions { display: none; }
  .brand__thin { display: none; }
  .brand__mark { height: 34px; }
  .nav__inner { height: 62px; }

  .cards, .grid6, .uses, .team, .flow { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }

  .hero { padding-top: 2.5rem; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }

  .form { grid-template-columns: 1fr; padding: 1.4rem; }
  .panel__row { grid-template-columns: 1fr; gap: 1rem; }
  .footer__inner { grid-template-columns: 1fr; }
  .sec-head { margin-bottom: 2.25rem; }

  /* Comfortable touch targets. */
  .btn { padding: .85rem 1.35rem; }
  .field input, .field select, .field textarea { font-size: 16px; } /* stops iOS zoom-on-focus */
}