/* ============================================================
   GRAVITAS VISION — agency portfolio homepage
   Deep space navy · electric blue→violet gradient · clean white
   ============================================================ */

/* ---------- 0. Tokens ---------- */
:root {
  --ink: #0a0f1e;
  --ink-2: #101832;
  --white: #ffffff;
  --soft: #f5f7fc;
  --text: #232b40;
  --muted: #5f6a85;
  --blue: #2f6bff;
  --violet: #7b3bff;
  --cyan: #22d3ee;
  --grad: linear-gradient(115deg, var(--blue), var(--violet));
  --grad-text: linear-gradient(110deg, #4f86ff, #22d3ee 50%, #a06bff);

  --font-display: "Sora", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, sans-serif;

  --radius: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 8px 30px rgba(16, 24, 50, 0.09);
  --shadow-card: 0 18px 50px rgba(16, 24, 50, 0.16);
  --shadow-grad: 0 10px 30px rgba(47, 107, 255, 0.35);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --s2: 1rem; --s3: 1.5rem; --s4: 2.5rem; --s5: 4rem; --s6: 6rem;
}

/* ---------- 1. Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  font-family: var(--font-body); font-weight: 400; line-height: 1.7;
  color: var(--text); background: var(--white);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.container { width: min(1180px, 92%); margin-inline: auto; }
.center { text-align: center; margin-top: var(--s4); }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; color: var(--ink); }
h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); font-weight: 800; letter-spacing: -0.02em; }
.section--dark h2 { color: #fff; }
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.eyebrow {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 0.9rem;
}
.section--dark .eyebrow { color: var(--cyan); }

/* ---------- 2. Buttons ---------- */
.btn {
  display: inline-block;
  font-size: 0.84rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.9em 2em; border-radius: 12px;
  border: 2px solid transparent; cursor: pointer;
  white-space: nowrap; min-width: max-content; text-align: center;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s, color 0.35s;
}
.btn--lg { padding: 1.05em 2.4em; font-size: 0.88rem; }
.btn--grad {
  position: relative; overflow: hidden;
  background: var(--grad); color: #fff;
  box-shadow: var(--shadow-grad);
}
.btn--grad::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: -80%;
  width: 45%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,0.5), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s var(--ease);
}
.btn--grad:hover { transform: translateY(-3px); box-shadow: 0 14px 38px rgba(47,107,255,0.5); }
.btn--grad:hover::before { left: 130%; }
.btn--ghost {
  border-color: rgba(255,255,255,0.6); color: #fff;
  background: rgba(255,255,255,0.07); backdrop-filter: blur(6px);
}
.btn--ghost:hover { background: #fff; color: var(--ink); transform: translateY(-3px); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-2); transform: translateY(-3px); box-shadow: var(--shadow-card); }

/* ---------- 3. Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; padding: 1rem 0;
  transition: background 0.4s var(--ease), box-shadow 0.4s, padding 0.4s var(--ease);
}
.nav.is-scrolled {
  background: rgba(255,255,255,0.95); backdrop-filter: blur(14px);
  padding: 0.6rem 0; box-shadow: 0 4px 22px rgba(16,24,50,0.10);
}
.nav__inner { display: flex; align-items: center; gap: var(--s3); }
.nav__logo { display: flex; align-items: center; gap: 0.65rem; }
.nav__logo-img {
  height: 52px; width: auto;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.3);
  transition: height 0.4s var(--ease);
}
.nav.is-scrolled .nav__logo-img { height: 42px; }
.nav__logo-fallback { display: none; align-items: center; gap: 0.65rem; }
.footer__logo-img {
  height: 64px; width: auto;
  border-radius: 12px;
}
.nav__logo-mark {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
  background: var(--grad); color: #fff;
  font-family: var(--font-display); font-weight: 800; font-size: 0.95rem;
  box-shadow: var(--shadow-grad);
}
.nav__logo-text {
  font-family: var(--font-display); font-size: 0.95rem; font-weight: 800;
  letter-spacing: 0.14em; color: #fff; transition: color 0.3s;
}
.nav__logo-text em { font-style: normal; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav.is-scrolled .nav__logo-text { color: var(--ink); }
.nav__menu { display: flex; gap: 1.3rem; margin-left: auto; }
.nav__menu a {
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase;
  color: rgba(255,255,255,0.85); position: relative; padding: 0.3rem 0; transition: color 0.3s;
}
.nav.is-scrolled .nav__menu a { color: var(--muted); }
.nav__menu a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; border-radius: 2px; background: var(--grad);
  transition: width 0.35s var(--ease);
}
.nav__menu a:hover { color: #fff; }
.nav.is-scrolled .nav__menu a:hover { color: var(--blue); }
.nav__menu a:hover::after { width: 100%; }
.nav__cta { margin-left: 0.4rem; flex-shrink: 0; }
.nav__cta-mobile { display: none; }
.nav__burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; margin-left: auto; }
.nav__burger span { width: 25px; height: 2.5px; border-radius: 3px; background: #fff; transition: transform 0.3s var(--ease), opacity 0.3s, background 0.3s; }
.nav.is-scrolled .nav__burger span { background: var(--ink); }
.nav__burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- 4. Hero ---------- */
.hero {
  position: relative; min-height: 96svh;
  display: flex; align-items: center; overflow: hidden; color: #fff;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover;
  animation: heroZoom 26s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.07); } }
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(10,15,30,0.92) 20%, rgba(10,15,30,0.68) 55%, rgba(10,15,30,0.45)),
    radial-gradient(900px 400px at 85% 15%, rgba(123,59,255,0.25), transparent);
}
.hero__content { position: relative; z-index: 2; padding: 8.5rem 0 6rem; max-width: 780px; }
.hero__title {
  font-size: clamp(2.4rem, 5.8vw, 4.3rem); font-weight: 800; color: #fff;
  letter-spacing: -0.02em;
}
.hero__sub { max-width: 600px; margin-top: var(--s3); font-size: clamp(1rem, 1.6vw, 1.13rem); font-weight: 300; color: #ccd6ee; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s2); margin-top: var(--s4); }
.hero__badges { display: flex; flex-wrap: wrap; gap: 0.6rem 1.8rem; margin-top: var(--s4); }
.hero__badges li {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: #9fb2d8; display: flex; align-items: center; gap: 0.55rem;
}
.hero__badges li::before { content: "▸"; color: var(--cyan); }

/* ---------- 5. Stats ---------- */
.stats { background: var(--ink); padding: 2.4rem 0; border-top: 1px solid rgba(255,255,255,0.06); }
.stats__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.stat { text-align: center; }
.stat b {
  font-family: var(--font-display); font-size: 2.4rem; font-weight: 800;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat p { font-size: 0.78rem; color: #9fb2d8; margin-top: 0.3rem; line-height: 1.5; }

/* ---------- 6. Sections ---------- */
.section { padding: var(--s6) 0; }
.section--tint { background: var(--soft); }
.section--dark {
  background:
    radial-gradient(1000px 460px at 85% -10%, rgba(123,59,255,0.18), transparent),
    radial-gradient(800px 400px at 10% 110%, rgba(47,107,255,0.14), transparent),
    var(--ink);
  color: #ccd6ee;
}
.section__head { max-width: 700px; margin-bottom: var(--s5); }
.section__head--light { color: #fff; }
.section__lede { margin-top: var(--s2); color: var(--muted); font-size: 1.02rem; }
.section__head--light .section__lede { color: #9fb2d8; }

/* ---------- 7. Grids ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

/* ---------- 8. Service cards ---------- */
.svc {
  background: var(--white); border: 1px solid #e5eaf5;
  border-radius: var(--radius-lg); padding: 1.9rem 1.7rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s var(--ease), box-shadow 0.4s, border-color 0.4s;
}
.svc:hover { transform: translateY(-7px); box-shadow: var(--shadow-card); border-color: rgba(47,107,255,0.35); }
.svc__icon {
  display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 12px;
  background: linear-gradient(135deg, rgba(47,107,255,0.12), rgba(123,59,255,0.12));
  font-size: 1.4rem; margin-bottom: 1rem;
}
.svc h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; }
.svc p { font-size: 0.88rem; color: var(--muted); }
.svc__tag {
  display: inline-block; margin-top: 0.9rem;
  font-size: 0.66rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue); background: rgba(47,107,255,0.08);
  padding: 0.35em 0.9em; border-radius: 100px;
}

/* ---------- 9. Portfolio cards ---------- */
#portfolioGrid { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 880px) { #portfolioGrid { grid-template-columns: 1fr; } }
.pcard {
  display: block;
  background: var(--ink-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 18px 50px rgba(0,0,0,0.35);
  transition: transform 0.45s var(--ease), box-shadow 0.45s, border-color 0.45s;
}
.pcard:hover { transform: translateY(-9px); border-color: rgba(34,211,238,0.5); box-shadow: 0 26px 60px rgba(0,0,0,0.5), 0 0 34px rgba(34,211,238,0.15); }
.pcard__media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.pcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.07); }
.pcard__ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(120% 140% at 15% 0%, rgba(34,211,238,0.28), transparent 55%),
    radial-gradient(120% 140% at 90% 100%, rgba(233,113,50,0.30), transparent 55%),
    linear-gradient(150deg, #0b1a3a, #04102b);
  transition: transform 0.8s var(--ease);
}
.pcard:hover .pcard__ph { transform: scale(1.07); }
.pcard__ph span {
  font-size: 1.35rem; font-weight: 700; letter-spacing: 0.04em; color: #fff;
  opacity: 0.92; text-align: center; padding: 0 1rem;
}
.pcard__tag {
  position: absolute; top: 0.9rem; left: 0.9rem; z-index: 2;
  font-size: 0.64rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: #fff; background: var(--grad);
  padding: 0.4em 1em; border-radius: 100px;
  box-shadow: var(--shadow-grad);
}
.pcard__body { padding: 1.4rem 1.5rem 1.6rem; }
.pcard__body h3 { color: #fff; font-size: 1.15rem; font-weight: 700; margin-bottom: 0.35rem; }
.pcard__body p { font-size: 0.86rem; color: #9fb2d8; }
.pcard__link {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan);
  transition: gap 0.3s var(--ease);
}
.pcard__link::after { content: "↗"; }
.pcard:hover .pcard__link { gap: 0.85rem; }

/* ---------- 10. Channels + SEO points ---------- */
.chan {
  background: var(--white); border: 1px solid #e5eaf5;
  border-radius: var(--radius); padding: 1.4rem 1.1rem; text-align: center;
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.chan:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.chan__icon { font-size: 1.7rem; }
.chan h3 { font-size: 0.95rem; font-weight: 700; margin: 0.5rem 0 0.25rem; }
.chan p { font-size: 0.76rem; color: var(--muted); line-height: 1.5; }
.seo-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: var(--s4); }
.spoint {
  border-left: 4px solid; border-image: var(--grad) 1;
  padding: 0.4rem 0 0.4rem 1.3rem;
}
.spoint h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: 0.35rem; }
.spoint p { font-size: 0.88rem; color: var(--muted); }

/* ---------- 11. Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.2rem 1.6rem; }
.steps li {
  position: relative;
  background: var(--white); border-radius: var(--radius-lg);
  padding: 2.1rem 1.5rem 1.7rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.4s var(--ease), box-shadow 0.4s;
}
.steps li:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.steps li span {
  position: absolute; top: -1.15rem; left: 1.4rem;
  display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: 50%;
  background: var(--grad); color: #fff; font-weight: 800;
  box-shadow: var(--shadow-grad);
}
.steps h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.35rem; }
.steps p { font-size: 0.85rem; color: var(--muted); }

/* ---------- 12. Blog cards ---------- */
.bcard {
  display: block;
  background: var(--white); border: 1px solid #e5eaf5;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.45s var(--ease), box-shadow 0.45s;
}
.bcard:hover { transform: translateY(-7px); box-shadow: var(--shadow-card); }
.bcard__top { height: 8px; background: var(--grad); }
.bcard__body { padding: 1.4rem 1.4rem 1.5rem; }
.bcard__cat {
  display: inline-block; font-size: 0.64rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--violet); margin-bottom: 0.6rem;
}
.bcard h3 { font-size: 1rem; font-weight: 700; line-height: 1.4; margin-bottom: 0.45rem; }
.bcard p { font-size: 0.82rem; color: var(--muted); }
.bcard__link {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 0.9rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--blue); transition: gap 0.3s var(--ease);
}
.bcard__link::after { content: "→"; }
.bcard:hover .bcard__link { gap: 0.85rem; }

/* ---------- 13. Contact ---------- */
.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--s5); align-items: start; }
.contact__body h2 { margin-bottom: var(--s3); }
.contact__body p { color: #9fb2d8; max-width: 46ch; }
.contact__info { margin-top: var(--s3); display: grid; gap: 0.7rem; }
.contact__info li { font-size: 0.95rem; font-weight: 600; color: #ccd6ee; }
.contact__form {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  box-shadow: 0 30px 70px rgba(0,0,0,0.4);
}
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { margin-bottom: 1.1rem; }
.field label {
  display: block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 0.4rem;
}
.field input, .field textarea {
  width: 100%; padding: 0.8em 1em;
  border: 1.5px solid #e5eaf5; border-radius: 10px;
  font-family: var(--font-body); font-size: 0.92rem; color: var(--text);
  background: var(--soft);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(47,107,255,0.14);
}
.contact__submit { width: 100%; }
.contact__note { margin-top: 1rem; font-size: 0.72rem; color: var(--muted); line-height: 1.6; }

/* ---------- 14. Footer ---------- */
.footer { background: #060a16; color: #8ea0c4; padding: var(--s5) 0 var(--s3); }
.footer .nav__logo-text { color: #fff; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1.1fr 1fr; gap: var(--s4); }
.footer h4 {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 0.8rem;
}
.footer p, .footer a { font-size: 0.85rem; line-height: 2; }
.footer a:hover { color: var(--cyan); }
.footer__tag { margin-top: 0.8rem; max-width: 40ch; }
.footer__social { display: flex; gap: 0.7rem; margin-top: 1.1rem; }
.footer__social a {
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.16); border-radius: 50%;
  transition: border-color 0.3s, color 0.3s, transform 0.3s var(--ease);
}
.footer__social a:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-3px); }
.footer__legal {
  margin-top: var(--s4); padding-top: var(--s3);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s2);
}
.footer__legal p, .footer__legal a { font-size: 0.74rem; color: #5f708f; }

/* ---------- 15. Reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.85s var(--ease), transform 0.85s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__bg img { animation: none; }
}

/* ---------- 16. Responsive ---------- */
@media (max-width: 1220px) {
  .nav__menu { gap: 0.9rem; }
  .nav__menu a { font-size: 0.7rem; }
  .nav__cta { padding: 0.8em 1.4em; font-size: 0.76rem; }
}
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .seo-points { grid-template-columns: 1fr; }
}
@media (max-width: 880px) {
  .grid--3 { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  .nav__menu {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 84vw);
    flex-direction: column; gap: 0.3rem;
    background: rgba(10, 15, 30, 0.97); backdrop-filter: blur(18px);
    padding: 5.5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
  }
  .nav__menu.is-open { transform: none; }
  .nav__menu a { font-size: 0.95rem; padding: 0.65rem 0; color: #ccd6ee !important; }
  .nav__cta { display: none; }
  .nav__cta-mobile { display: inline-block; margin-top: 1rem; }
  .nav__burger { display: flex; z-index: 110; }
}
@media (max-width: 600px) {
  .grid--4, .grid--5 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 2.4rem; }
  .stats__inner { grid-template-columns: 1fr 1fr; }
  .frow { grid-template-columns: 1fr; gap: 0; }
  .hero__actions .btn { width: 100%; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s3); }
}