/* ==========================================================================
   GokuLabs — design system
   Dark, glassy, high-end tech lab. No frameworks.
   ========================================================================== */

:root {
  /* Surfaces */
  --bg: #07060d;
  --bg-alt: #0a0913;
  --surface: rgba(255, 255, 255, 0.034);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);

  /* Text */
  --text: #f4f2ff;
  --muted: #a29fbd;
  --muted-dim: #7d7a97;

  /* Accents */
  --purple: #8b5cf6;
  --purple-bright: #a78bfa;
  --blue: #22d3ee;
  --yellow: #facc15;
  --danger: #ff6b8b;

  /* Gradients */
  --grad-primary: linear-gradient(120deg, var(--purple) 0%, var(--blue) 100%);
  --grad-text: linear-gradient(100deg, #ffffff 0%, var(--purple-bright) 45%, var(--blue) 90%);

  /* Shape & motion */
  --radius: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-glass: 0 24px 60px -30px rgba(0, 0, 0, 0.9);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --maxw: 1180px;
  --nav-h: 74px;
}

/* --- Reset ---------------------------------------------------------------- */

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

* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 18px);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.65;
  letter-spacing: 0.006em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, textarea { font: inherit; color: inherit; }

h1, h2, h3 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.028em;
}

::selection { background: rgba(139, 92, 246, 0.4); color: #fff; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

/* --- Ambient background --------------------------------------------------- */

.noise {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  filter: blur(90px);
  opacity: 0.5;
}

.aurora__blob {
  position: absolute;
  width: 46vmax;
  height: 46vmax;
  border-radius: 50%;
  animation: drift 26s var(--ease) infinite alternate;
}

.aurora__blob--purple { top: -14vmax; left: -8vmax; background: rgba(139, 92, 246, 0.42); }
.aurora__blob--blue { top: 26vmax; right: -16vmax; background: rgba(34, 211, 238, 0.24); animation-delay: -8s; }
.aurora__blob--yellow { bottom: -20vmax; left: 22vmax; background: rgba(250, 204, 21, 0.14); animation-delay: -16s; }

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(6vmax, -4vmax, 0) scale(1.18); }
}

/* Full-viewport constellation field. Sits behind all content so the motif runs
   the length of the page rather than stopping at the hero. */
.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* --- Layout primitives ---------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  z-index: 1;
  padding-block: clamp(5rem, 11vw, 8.5rem);
}

.section--alt {
  background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.045) 40%, transparent);
  border-block: 1px solid var(--border);
  /* `clip` (not `hidden`) contains the decorative aura without breaking the sticky panel */
  overflow: clip;
}

.section__head {
  max-width: 62ch;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__title {
  font-size: clamp(1.9rem, 1.2rem + 3vw, 3.1rem);
  margin-bottom: 0.75rem;
}

.section__lead { color: var(--muted); max-width: 56ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--grad-primary);
}

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

.btn {
  --btn-bg: var(--surface-strong);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.6rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease), color 0.35s var(--ease);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  translate: -120% 0;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transition: translate 0.7s var(--ease);
}

.btn:hover { transform: translateY(-3px); border-color: rgba(255, 255, 255, 0.32); }
.btn:hover::after { translate: 120% 0; }
.btn:active { transform: translateY(-1px); }

.btn--primary {
  border-color: transparent;
  background: var(--grad-primary);
  color: #0a0714;
  box-shadow: 0 12px 34px -14px rgba(139, 92, 246, 0.95), 0 0 0 0 rgba(139, 92, 246, 0.5);
  animation: glow-pulse 3.6s ease-in-out infinite;
}

.btn--primary:hover {
  box-shadow: 0 18px 44px -12px rgba(139, 92, 246, 1), 0 0 0 6px rgba(139, 92, 246, 0.14);
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 12px 34px -14px rgba(139, 92, 246, 0.95), 0 0 0 0 rgba(139, 92, 246, 0.42); }
  50% { box-shadow: 0 14px 40px -12px rgba(34, 211, 238, 0.8), 0 0 0 8px rgba(139, 92, 246, 0.06); }
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn--secondary:hover { background: rgba(255, 255, 255, 0.09); }

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  padding-inline: 1.15rem;
}

.btn--sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; }

.btn--block { width: 100%; }

.btn[disabled] { opacity: 0.65; pointer-events: none; }

.btn__spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(10, 7, 20, 0.35);
  border-top-color: #0a0714;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn.is-loading .btn__spinner { display: block; }

@keyframes spin { to { transform: rotate(1turn); } }

/* --- Navigation ----------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 50;
  padding: 0.75rem 1.25rem;
  background: var(--purple);
  color: #fff;
  border-radius: var(--radius);
}

.skip-link:focus { left: 1rem; top: 1rem; }

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: var(--nav-h);
  background: rgba(7, 6, 13, 0.55);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}

.nav.is-scrolled {
  background: rgba(7, 6, 13, 0.82);
  border-bottom-color: var(--border);
}

.nav__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--grad-primary);
  box-shadow: 0 8px 22px -10px rgba(139, 92, 246, 0.9);
  transition: transform 0.5s var(--ease);
}

.logo__mark svg { width: 18px; height: 18px; fill: #0a0714; }

.logo:hover .logo__mark { transform: rotate(-12deg) scale(1.06); }

.logo__text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo--sm { font-size: 1.05rem; }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.9rem);
  font-size: 0.94rem;
}

.nav__links a {
  position: relative;
  color: var(--muted);
  transition: color 0.3s var(--ease);
}

.nav__links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1.5px;
  background: var(--grad-primary);
  scale: 0 1;
  transform-origin: left;
  transition: scale 0.4s var(--ease);
}

.nav__links > a:not(.btn):hover,
.nav__links > a.is-active { color: var(--text); }

.nav__links > a:not(.btn):hover::after,
.nav__links > a.is-active::after { scale: 1 1; }

.nav__cta { color: var(--text); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: transparent;
}

.nav__progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--grad-primary);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.9);
}

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

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(100svh, 900px);
  padding-top: calc(var(--nav-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(4rem, 9vw, 7rem);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    420px circle at var(--mx, 78%) var(--my, 26%),
    rgba(139, 92, 246, 0.22),
    rgba(34, 211, 238, 0.08) 42%,
    transparent 70%
  );
  transition: background 0.25s linear;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, var(--bg));
  pointer-events: none;
}

.hero__inner { position: relative; z-index: 2; max-width: 60rem; }

.hero__title {
  font-size: clamp(2.6rem, 1.4rem + 6.4vw, 5.2rem);
  font-weight: 700;
  max-width: 20ch;
  margin-bottom: 1.25rem;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-wrap: balance;
}

.hero__sub {
  max-width: 46ch;
  margin-bottom: 2.25rem;
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.28rem);
  color: var(--muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

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

.cards { display: grid; gap: clamp(1.1rem, 2vw, 1.6rem); }
.cards--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }
.cards--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }

.card,
.quote {
  position: relative;
  padding: clamp(1.6rem, 3vw, 2.2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease), background 0.5s var(--ease);
}

.card::before,
.quote::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(139, 92, 246, 0.75), rgba(34, 211, 238, 0.45) 45%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}

.card:hover,
.quote:hover {
  transform: translateY(-8px);
  background: var(--surface-strong);
  box-shadow: 0 34px 70px -34px rgba(139, 92, 246, 0.65);
}

.card:hover::before,
.quote:hover::before { opacity: 1; }

.card__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 1.3rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(150deg, rgba(139, 92, 246, 0.22), rgba(34, 211, 238, 0.1));
  transition: transform 0.5s var(--ease);
}

.card__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--purple-bright);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card:hover .card__icon { transform: translateY(-3px) rotate(-6deg); }

.card__title { font-size: 1.35rem; margin-bottom: 0.5rem; }

.card__text { color: var(--muted); margin-bottom: 1.1rem; }

.card__list {
  display: grid;
  gap: 0.45rem;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
  color: var(--muted);
}

.card__list li {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
}

.card__list li::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  translate: 0 -2px;
}

.card__index {
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.16);
}

/* --- Why us --------------------------------------------------------------- */

.why__aura {
  position: absolute;
  inset: 12% -14% auto auto;
  width: min(40vmax, 620px);
  height: min(40vmax, 620px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.16), transparent 62%);
  pointer-events: none;
}

.why {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.steps {
  display: grid;
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  padding: clamp(1.2rem, 2.4vw, 1.7rem);
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  transition: background 0.45s var(--ease), border-color 0.45s var(--ease), transform 0.45s var(--ease);
}

.step:hover {
  background: var(--surface-strong);
  border-color: var(--border);
  transform: translateX(6px);
}

.step__num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: transparent;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  letter-spacing: 0.06em;
}

.step__title { font-size: 1.22rem; margin-bottom: 0.4rem; }

.step__text { color: var(--muted); font-size: 0.96rem; }

.panel {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
  padding: 1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(139, 92, 246, 0.55), rgba(34, 211, 238, 0.25) 55%, transparent);
}

.panel__inner {
  padding: clamp(1.6rem, 3vw, 2.2rem);
  border-radius: calc(var(--radius-lg) - 1px);
  background: rgba(10, 9, 19, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.panel__eyebrow {
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 1.1rem;
}

.panel__list {
  display: grid;
  gap: 0.85rem;
  padding: 0;
  margin: 0;
  list-style: none;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.08rem;
}

.panel__list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.panel__list li:last-child { border-bottom: 0; padding-bottom: 0; }

.panel__list span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.15);
  color: var(--blue);
  font-size: 0.85rem;
}

/* --- Testimonials --------------------------------------------------------- */

.quote { margin: 0; padding-top: 2.6rem; }

.quote__mark {
  position: absolute;
  top: 0.6rem;
  left: 1.6rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 4.4rem;
  line-height: 1;
  color: transparent;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.55;
}

.quote blockquote {
  margin-bottom: 1.5rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: -0.015em;
}

.quote figcaption {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

.quote figcaption > span:not(.avatar) { display: block; }

.quote figcaption strong { display: block; font-weight: 600; }

.quote figcaption em {
  font-style: normal;
  font-size: 0.86rem;
  color: var(--muted-dim);
}

.avatar {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #0a0714;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  line-height: 1;
}

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

.section--contact {
  background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.05));
  border-top: 1px solid var(--border);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: start;
}

.contact__details {
  display: grid;
  gap: 1.1rem;
  margin-top: 2.25rem;
  font-style: normal;
}

.contact__label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 0.15rem;
}

.contact__details a {
  border-bottom: 1px solid var(--border-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.contact__details a:hover { color: var(--blue); border-color: var(--blue); }

.form {
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.6rem, 3.4vw, 2.4rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  box-shadow: var(--shadow-glass);
}

.field { display: grid; gap: 0.45rem; }

.field label {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(7, 6, 13, 0.6);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.field textarea { resize: vertical; min-height: 120px; }

.field input::placeholder,
.field textarea::placeholder { color: var(--muted-dim); }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--purple);
  background: rgba(7, 6, 13, 0.85);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.16);
}

.field.has-error input,
.field.has-error textarea { border-color: var(--danger); }

.field__error {
  min-height: 0;
  font-size: 0.82rem;
  color: var(--danger);
}

.field__error:empty { display: none; }

.form__status {
  min-height: 1.3rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.form__status.is-success { color: #4ade80; }
.form__status.is-error { color: var(--danger); }

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

.footer {
  position: relative;
  z-index: 1;
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
  border-top: 1px solid var(--border);
  background: rgba(7, 6, 13, 0.7);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer__links { display: flex; flex-wrap: wrap; gap: 1.2rem; }

.footer__links a:hover { color: var(--blue); }

.footer__copy { color: var(--muted-dim); font-size: 0.84rem; }

/* --- Scroll reveal & tilt ------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

[data-reveal].is-visible { opacity: 1; transform: none; }

[data-tilt] {
  transform-style: preserve-3d;
  will-change: transform;
}

/* --- Responsive ----------------------------------------------------------- */

@media (max-width: 900px) {
  .why,
  .contact { grid-template-columns: minmax(0, 1fr); }

  .panel { position: static; }
}

@media (max-width: 760px) {
  .nav__toggle { display: flex; }

  .nav__links {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem var(--gutter) 1.4rem;
    background: #0b0a14;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s;
  }

  .nav__links.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav__links > a:not(.btn) { padding: 0.7rem 0; }

  .nav__links > a:not(.btn)::after { display: none; }

  .nav__cta { align-self: flex-start; margin-top: 0.5rem; }
}

@media (max-width: 460px) {
  .hero__actions .btn { width: 100%; }
}

/* --- Accessibility -------------------------------------------------------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] { opacity: 1; transform: none; }

  /* The starfield keeps a single static frame rather than disappearing —
     `display: none` here would erase the background for anyone with
     "Animation effects" switched off in their OS. */
}