/* ============================================================
   BRIXLY — style.css
   Clean white. Confident. Editorial.
   ============================================================ */

@import url('fonts.css');

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --bg:           #f4f2ed;
  --bg-2:         #fcfbf8;
  --bg-3:         #ebe6dd;
  --bg-4:         #e2ddd4;
  --text:         #0f1216;
  --text-muted:   #626871;
  --accent:       #0bb7a3;
  --accent-2:     #ff6a3d;
  --accent-3:     #2c67f2;
  --border:       #dcd6cc;
  --border-light: #e9e3da;
  --card:         #ffffff;
  --shadow:       0 20px 60px rgba(14, 18, 22, 0.08);

  --font:         'Inter Tight', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  --size-xs:      0.75rem;
  --size-sm:      0.875rem;
  --size-base:    1rem;
  --size-md:      1.25rem;
  --size-lg:      1.75rem;
  --size-xl:      2.5rem;
  --size-2xl:     3.5rem;
  --size-3xl:     5rem;
  --size-hero:    clamp(3.5rem, 10vw, 8.5rem);

  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.76, 0, 0.24, 1);

  --site-bg:      url('images/code-bg.png');
  --site-bg-size: 90%;
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background-color: var(--bg);
  position: relative;
  z-index: 0;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.intro-bg {
  position: relative;
  background-image: var(--site-bg);
  background-size: var(--site-bg-size);
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.intro-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(11, 183, 163, 0.18), transparent 60%),
    radial-gradient(900px 500px at 10% 10%, rgba(255, 106, 61, 0.16), transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.intro-bg > * { position: relative; z-index: 1; }

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* ── NAV ─────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: block;
  padding: 1.25rem 3rem;
  transition: background 0.4s var(--ease-out), padding 0.4s var(--ease-out), border-bottom 0.4s;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  position: relative;
}
nav.scrolled {
  background: rgba(252, 251, 248, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.9rem 3rem;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 0;
  font-family: var(--font-display);
  flex-shrink: 0;
}
.nav-logo span { color: var(--text-muted); }
.nav-links {
  display: flex;
  gap: 2.25rem;
  align-items: center;
  margin-left: auto;
  justify-content: flex-end;
}
.nav-links a {
  font-size: var(--size-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--accent-3);
  transition: width 0.3s var(--ease-out);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  font-size: var(--size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bg) !important;
  background: linear-gradient(120deg, var(--accent), var(--accent-3));
  padding: 0.55rem 1.4rem;
  transition: background 0.2s, color 0.2s, transform 0.2s var(--ease-out) !important;
  border-radius: 999px;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: linear-gradient(120deg, var(--accent-2), var(--accent));
  color: var(--bg) !important;
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: 1rem;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

/* ── HERO ─────────────────────────────────────────────────── */
#hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: flex-end;
  padding: 0 3rem 5rem;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(252, 251, 248, 0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 1;
  pointer-events: none;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 20%, rgba(11, 183, 163, 0.22) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 70%, rgba(255, 106, 61, 0.18) 0%, transparent 65%),
    linear-gradient(120deg, rgba(252, 251, 248, 0.6), rgba(244, 242, 237, 0.9));
  will-change: transform;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(12, 15, 18, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 15, 18, 0.08) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
  will-change: transform;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.7); }
}
.hero-eyebrow-text {
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.hero-headline {
  font-size: var(--size-hero);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 2rem;
  font-family: var(--font-display);
}
.hero-headline em {
  font-style: normal;
  color: var(--accent-3);
}
.hero-sub {
  font-size: var(--size-md);
  font-weight: 300;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 3rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(120deg, var(--accent), var(--accent-3));
  color: var(--bg);
  font-size: var(--size-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  transition: background 0.2s, transform 0.2s var(--ease-out), box-shadow 0.2s;
}
.btn-primary:hover {
  background: linear-gradient(120deg, var(--accent-2), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 28px 70px rgba(15, 18, 22, 0.18);
}
.btn-primary svg { transition: transform 0.2s var(--ease-out); }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost {
  font-size: var(--size-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--accent-3); border-color: var(--accent-3); }

.hero-scroll-indicator {
  position: absolute;
  right: 3rem; bottom: 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 2;
}
.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--text-muted));
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}
.hero-scroll-text {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}

/* ── MARQUEE ─────────────────────────────────────────────── */
.marquee-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  overflow: hidden;
  background: var(--bg-2);
}
.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 22s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0 2.5rem;
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.marquee-item .dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── SECTION BASE ────────────────────────────────────────── */
section { padding: 7.5rem 3rem; position: relative; scroll-margin-top: 110px; }
.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.section-label-line {
  width: 32px; height: 1px;
  background: var(--text-muted);
}
.section-label-text {
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.section-headline {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text);
  margin-bottom: 1.5rem;
  font-family: var(--font-display);
}
.section-body {
  font-size: var(--size-base);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 560px;
}

/* ── ABOUT ───────────────────────────────────────────────── */
#about {
  background: transparent;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  isolation: isolate;
  --about-blur: 8px;
  --about-dim: 0.45;
  padding: 12rem 3rem 18rem;
}
#about::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(252, 251, 248, var(--about-dim));
  backdrop-filter: blur(var(--about-blur));
  -webkit-backdrop-filter: blur(var(--about-blur));
  z-index: 0;
  pointer-events: none;
}
.about-flow {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  min-height: 360vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.about-stage {
  position: sticky;
  top: 120px;
  height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 2;
}
.about-center {
  width: min(460px, 80vw);
  padding: 2.5rem 2.75rem;
  border-radius: 28px;
  background: rgba(252, 251, 248, 0.65);
  border: 1px solid var(--border);
  box-shadow: 0 40px 90px rgba(15, 18, 22, 0.18);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  position: relative;
  pointer-events: auto;
  transition: box-shadow 0.3s var(--ease-out);
}
.about-center:hover {
  box-shadow: 0 50px 110px rgba(15, 18, 22, 0.22);
}
.about-center-tag {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-3);
}
.about-orbit {
  position: absolute;
  inset: -40%;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}
.orbit-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(15, 18, 22, 0.18);
  opacity: 0.6;
}
.orbit-ring--two {
  inset: 12%;
  border-color: rgba(44, 103, 242, 0.35);
  opacity: 0.8;
}
.orbit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 14px rgba(255, 106, 61, 0.5);
}
.orbit-dot--a { top: 8%; left: 20%; }
.orbit-dot--b { bottom: 12%; right: 18%; background: var(--accent); box-shadow: 0 0 14px rgba(11, 183, 163, 0.45); }
.orbit-dot--c { top: 40%; right: 6%; background: var(--accent-3); box-shadow: 0 0 14px rgba(44, 103, 242, 0.45); }
.about-tiles {
  width: min(560px, 62%);
  margin-left: auto;
  display: grid;
  gap: 2rem;
  padding: 14vh 0 10rem;
  position: relative;
  z-index: 1;
  will-change: transform;
}
.about-tile {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 18px;
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.about-tile h3 {
  font-family: var(--font-display);
  font-size: var(--size-base);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.about-tile p {
  font-family: var(--font-display);
  font-size: var(--size-sm);
  color: var(--text-muted);
  line-height: 1.7;
}
.about-tile--stat {
  display: grid;
  gap: 0.4rem;
  text-align: left;
}
.tile-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--text);
}
.tile-number span { color: var(--accent-3); }
.tile-label {
  font-family: var(--font-display);
  font-size: var(--size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.about-hero {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 1rem;
  font-family: var(--font-display);
}
.about-left-body {
  font-size: var(--size-base);
  color: var(--text-muted);
  line-height: 1.8;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.75rem;
  transition: border-color 0.3s;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.stat-card:hover { border-color: var(--accent-3); }
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat-number span { color: var(--accent); }
.stat-label {
  font-size: var(--size-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── SERVICES ────────────────────────────────────────────── */
#services { background: var(--bg); }
.services-header {
  max-width: 1200px;
  margin: 0 auto 4rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 2.5rem;
  transition: background 0.3s, transform 0.3s var(--ease-out), box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(44, 103, 242, 0.18), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out);
}
.service-card:hover {
  background: var(--bg-2);
  transform: translateY(-6px);
  box-shadow: 0 30px 70px rgba(15, 18, 22, 0.15);
}
.service-card:hover::before { opacity: 1; }
.service-number {
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-3);
  margin-bottom: 1.5rem;
}
.service-name {
  font-size: var(--size-lg);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
}
.service-desc {
  font-size: var(--size-sm);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
}
.service-arrow {
  margin-top: 2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.service-card:hover .service-arrow { opacity: 1; transform: translateX(0); }
.service-card:focus-within .service-arrow { opacity: 1; transform: translateX(0); }

/* ── IMPACT / ORBIT ─────────────────────────────────────── */
#impact {
  background-color: var(--bg-2);
  background-image: linear-gradient(140deg, rgba(11, 183, 163, 0.1), rgba(255, 106, 61, 0.12));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.impact-bg {
  position: absolute;
  inset: -20% 0;
  background:
    radial-gradient(ellipse 60% 45% at 20% 30%, rgba(44, 103, 242, 0.25), transparent 65%),
    radial-gradient(ellipse 50% 60% at 80% 70%, rgba(11, 183, 163, 0.2), transparent 70%);
  opacity: 0.7;
  pointer-events: none;
  will-change: transform;
}
.impact-glow {
  position: absolute;
  right: -10%;
  bottom: -20%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(255, 106, 61, 0.3), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
  will-change: transform;
}
.orbit-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}
.impact-points {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}
.impact-point {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}
.impact-point-title {
  font-size: var(--size-base);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.impact-point-body {
  font-size: var(--size-sm);
  color: var(--text-muted);
  line-height: 1.7;
}
.orbit-stage {
  position: sticky;
  top: 140px;
  width: min(70vw, 460px);
  aspect-ratio: 1;
  margin: 0 auto;
  z-index: 1;
  perspective: 1200px;
  align-self: start;
}
.orbit-ring {
  position: absolute;
  inset: 10%;
  border: 1px dashed rgba(15, 18, 22, 0.2);
  border-radius: 50%;
  opacity: 0.7;
}
.orbit-device {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.9), rgba(12, 15, 18, 0.08));
  border: 1px solid rgba(15, 18, 22, 0.12);
  box-shadow: 0 30px 70px rgba(15, 18, 22, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  font-size: var(--size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform;
}
.orbit-device::after {
  content: '';
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle at 70% 30%, rgba(44, 103, 242, 0.25), transparent 65%);
  opacity: 0.8;
}
.orbit-item {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 190px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  transform: translate(-50%, -50%);
  transition: box-shadow 0.3s, transform 0.3s var(--ease-out);
}
.orbit-item h3 {
  font-size: var(--size-sm);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.orbit-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.impact-stats {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 3rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.impact-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.75rem;
}
.impact-stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
}
.impact-stat-label {
  font-size: var(--size-sm);
  color: var(--text-muted);
  line-height: 1.6;
}
.impact-source {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-3);
}

/* ── PROCESS ─────────────────────────────────────────────── */
#process {
  background-color: var(--bg-2);
  background-image: linear-gradient(160deg, rgba(44, 103, 242, 0.08), rgba(252, 251, 248, 0.9));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.process-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 4rem;
  gap: 1.5rem;
}
.process-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 70px rgba(15, 18, 22, 0.15);
}
.process-step-num {
  width: 2.5rem; height: 2.5rem;
  border: 1px solid var(--accent-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--size-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-3);
  margin-bottom: 1.5rem;
  background: rgba(44, 103, 242, 0.08);
  position: relative;
  z-index: 1;
}
.process-step-title {
  font-size: var(--size-md);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.process-step-body {
  font-size: var(--size-sm);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ── CONTACT ─────────────────────────────────────────────── */
#contact {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.contact-left .section-headline { margin-bottom: 1rem; }
.contact-statement {
  font-size: var(--size-md);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 3rem;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-detail-icon {
  width: 2rem; height: 2rem;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.contact-detail-label {
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}
.contact-detail-value {
  font-size: var(--size-sm);
  font-weight: 400;
  color: var(--text-muted);
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 0; }
.form-group {
  position: relative;
  border: 1px solid var(--border);
  border-bottom: none;
  transition: border-color 0.2s;
}
.form-group:last-of-type { border-bottom: 1px solid var(--border); }
.form-group:focus-within { border-color: var(--accent); z-index: 1; }
.form-group label {
  display: block;
  padding: 1rem 1.25rem 0;
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.form-group:focus-within label { color: var(--accent); }
.form-group input,
.form-group textarea,
.form-group select {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font);
  font-size: var(--size-base);
  font-weight: 400;
  padding: 0.25rem 1.25rem 1rem;
  resize: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group select option { background: var(--bg-2); color: var(--text); }
.form-group textarea { min-height: 120px; }

.form-submit {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.form-note {
  font-size: var(--size-xs);
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.6;
  max-width: 220px;
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(120deg, var(--accent-2), var(--accent));
  color: var(--bg);
  font-family: var(--font);
  font-size: var(--size-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border: none;
  border-radius: 999px;
  transition: background 0.2s, transform 0.2s var(--ease-out), box-shadow 0.2s;
  flex-shrink: 0;
}
.btn-submit:hover {
  background: linear-gradient(120deg, var(--accent-3), var(--accent));
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-submit:disabled { opacity: 0.5; pointer-events: none; }
.btn-submit svg { transition: transform 0.2s var(--ease-out); }
.btn-submit:hover svg { transform: translateX(4px); }

.form-success {
  display: none;
  padding: 2rem;
  border: 1px solid var(--accent-3);
  background: rgba(44, 103, 242, 0.08);
  text-align: center;
}
.form-success.visible { display: block; }
.form-success-title {
  font-size: var(--size-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.form-success-body {
  font-size: var(--size-sm);
  color: var(--text-muted);
  font-weight: 300;
}

/* ── FOOTER ──────────────────────────────────────────────── */
footer {
  background: var(--bg-3);
  border-top: 1px solid var(--border);
  padding: 3rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  font-family: var(--font-display);
}
.footer-logo span { color: var(--accent); }
.footer-copy {
  font-size: var(--size-xs);
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.footer-links {
  display: flex;
  gap: 2rem;
}
.footer-links a {
  font-size: var(--size-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* ── SCROLL REVEAL ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── MOBILE SAFETY ───────────────────────────────────────── */
html.is-mobile body {
  overflow-x: hidden;
}
html.is-mobile .intro-bg {
  background-attachment: scroll;
}
html.is-mobile #about,
html.is-mobile #impact,
html.is-mobile #hero {
  overflow-x: hidden;
}
html.is-mobile .about-center {
  overflow: hidden;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 960px) {
  nav { padding: 1.25rem 2rem; }
  nav.scrolled { padding: 0.85rem 2rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.mobile-open {
    display: flex;
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: var(--shadow);
  }

  section { padding: 5rem 2rem; }
  #hero { padding: 0 2rem 4rem; }
  .hero-scroll-indicator { display: none; }

  #about { padding: 7rem 2rem; }
  .about-flow { min-height: auto; }
  .about-stage { position: relative; top: auto; height: auto; margin-bottom: 3rem; }
  .about-center { transform: none !important; }
  .about-tiles { width: 100%; margin-left: 0; padding: 0; }
  .about-tile { opacity: 1; transform: none; }
  .services-grid { grid-template-columns: 1fr; }
  .orbit-inner { grid-template-columns: 1fr; }
  .orbit-stage { position: relative; top: auto; width: min(80vw, 380px); margin-top: 2rem; }
  .orbit-item { width: 170px; }
  .impact-stats { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .process-steps::before { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .services-header { flex-direction: column; align-items: flex-start; }
  footer .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
}

@media (max-width: 560px) {
  .about-stats { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .form-submit { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .orbit-stage { width: min(88vw, 320px); }
  .orbit-item { width: 150px; }
}