/* ============================================================
   BigSoft AI — Landing Page Styles
   Modern dark-mode AI enterprise aesthetic
   ============================================================ */

:root {
  --color-bg:          #050811;
  --color-surface:     #0d1421;
  --color-surface-2:   #111827;
  --color-border:      rgba(99, 179, 237, 0.12);
  --color-border-glow: rgba(99, 179, 237, 0.35);

  --color-primary:     #3b82f6;
  --color-primary-dim: #1d4ed8;
  --color-accent:      #8b5cf6;
  --color-accent-2:    #06b6d4;
  --color-success:     #10b981;

  --color-text:        #f1f5f9;
  --color-text-muted:  #94a3b8;
  --color-text-dim:    #64748b;

  --gradient-hero:    linear-gradient(135deg, #0a0f1e 0%, #0d1421 40%, #0f0a1e 100%);
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-glow:    linear-gradient(135deg, rgba(59,130,246,0.15) 0%, rgba(139,92,246,0.15) 100%);
  --gradient-card:    linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 9999px;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 8px 32px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 60px rgba(59,130,246,0.15), 0 0 120px rgba(139,92,246,0.08);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border-glow); border-radius: var(--radius-full); }

/* ── Typography ──────────────────────────────────────────── */
.label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.heading-xl {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.heading-lg {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.heading-md {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.3;
}

.body-lg  { font-size: 1.125rem; line-height: 1.75; color: var(--color-text-muted); }
.body-md  { font-size: 1rem;     line-height: 1.7;  color: var(--color-text-muted); }
.body-sm  { font-size: 0.875rem; line-height: 1.65; color: var(--color-text-muted); }

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--sm { padding: 64px 0; }

.section-header {
  max-width: 680px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-header .label { margin-bottom: 12px; }
.section-header .heading-lg { margin-bottom: 20px; }

/* ── Noise overlay ───────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(5, 8, 17, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.nav__logo-mark {
  width: 34px; height: 34px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.nav__link:hover { color: var(--color-text); }

.nav__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__mobile-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.45);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  border: 1px solid var(--color-border-glow);
  color: var(--color-text-muted);
  background: transparent;
}
.btn--ghost:hover {
  color: var(--color-text);
  border-color: rgba(99,179,237,0.5);
  background: rgba(255,255,255,0.04);
}

.btn--sm { padding: 8px 18px; font-size: 0.82rem; }
.btn--lg { padding: 16px 36px; font-size: 1rem; }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 68px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: -2;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}

.hero__orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.2) 0%, transparent 70%);
  top: -100px; left: -150px;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero__orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.18) 0%, transparent 70%);
  bottom: -80px; right: -100px;
  animation: orbFloat 15s ease-in-out infinite reverse;
}

.hero__orb--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(6,182,212,0.12) 0%, transparent 70%);
  top: 40%; left: 55%;
  animation: orbFloat 9s ease-in-out infinite 3s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -40px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.97); }
}

.hero__grid-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

.hero__inner {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-glow);
  background: rgba(59,130,246,0.08);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 28px;
  width: fit-content;
}

.hero__badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  margin-bottom: 24px;
}

.hero__title em {
  font-style: normal;
}

.hero__subtitle {
  margin-bottom: 40px;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 36px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.hero__stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 2px;
}

/* Hero visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__window {
  width: 100%;
  max-width: 480px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  animation: windowFloat 8s ease-in-out infinite;
}

@keyframes windowFloat {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

.hero__window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255,255,255,0.02);
}

.hero__window-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.hero__window-dot:nth-child(1) { background: #ff5f57; }
.hero__window-dot:nth-child(2) { background: #ffbd2e; }
.hero__window-dot:nth-child(3) { background: #28c840; }

.hero__window-title {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  margin-left: auto;
  font-family: var(--font-mono);
}

.hero__window-body {
  padding: 24px 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
}

.code-line { display: flex; align-items: baseline; gap: 12px; }
.code-ln { color: var(--color-text-dim); user-select: none; width: 18px; text-align: right; flex-shrink: 0; }
.code-keyword { color: #c792ea; }
.code-fn      { color: #82aaff; }
.code-string  { color: #c3e88d; }
.code-comment { color: var(--color-text-dim); }
.code-num     { color: #f78c6c; }
.code-op      { color: #89ddff; }
.code-type    { color: #ffcb6b; }

.hero__window-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.06);
}

.hero__window-status {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2.5s ease-in-out infinite;
}

.hero__window-status-text {
  font-size: 0.75rem;
  color: var(--color-success);
  font-family: var(--font-mono);
}

/* ── LOGOS BAR ───────────────────────────────────────────── */
.logos {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.logos__label {
  text-align: center;
  margin-bottom: 32px;
  color: var(--color-text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logos__track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}

.logos__item {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  opacity: 0.55;
  transition: opacity var(--transition);
}
.logos__item:hover { opacity: 0.9; }

/* ── SERVICES ────────────────────────────────────────────── */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition-slow);
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.service-card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 40px rgba(59,130,246,0.08);
}

.service-card:hover::before { opacity: 1; }

.service-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-glow);
  border: 1px solid var(--color-border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 24px;
  position: relative;
}

.service-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card__body {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  position: relative;
}

.service-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 20px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
}

/* ── HOW IT WORKS ────────────────────────────────────────── */
.how {
  background: linear-gradient(180deg, transparent 0%, rgba(13,20,33,0.6) 50%, transparent 100%);
}

.how__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  position: relative;
}

.how__steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-glow), transparent);
}

.how__step {
  padding: 0 24px;
  text-align: center;
}

.how__step-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 auto 24px;
  font-family: var(--font-mono);
  color: var(--color-primary);
  position: relative;
  z-index: 1;
}

.how__step-title { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.how__step-body  { font-size: 0.85rem; color: var(--color-text-muted); }

/* ── VALUES ──────────────────────────────────────────────── */
.values__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.value-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--gradient-card);
  transition: border-color var(--transition), transform var(--transition-slow);
}

.value-card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-3px);
}

.value-card__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.value-card__body  { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.65; }

/* ── ABOUT SPLIT ─────────────────────────────────────────── */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__label { margin-bottom: 12px; }
.about__title { margin-bottom: 20px; }
.about__body  { margin-bottom: 36px; }

.about__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.about__metric {
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--gradient-card);
}

.about__metric-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about__metric-label { font-size: 0.8rem; color: var(--color-text-dim); margin-top: 4px; }

.about__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-slow), border-color var(--transition);
}

.about__card:hover { transform: translateX(8px); border-color: var(--color-border-glow); }

.about__card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--gradient-glow);
  border: 1px solid var(--color-border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.about__card-title { font-size: 0.9rem; font-weight: 600; }
.about__card-sub   { font-size: 0.78rem; color: var(--color-text-dim); margin-top: 2px; }

/* ── CTA ─────────────────────────────────────────────────── */
.cta {
  padding: 96px 0;
}

.cta__box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.cta__box::before {
  content: '';
  position: absolute;
  top: -40%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta__label { margin-bottom: 16px; }
.cta__title { margin-bottom: 20px; }
.cta__body  { max-width: 560px; margin: 0 auto 40px; }

/* ── Waitlist form ─────────────────────────────────────────── */
.waitlist {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.waitlist__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.waitlist__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.waitlist__label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.waitlist__optional {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--color-text-dim);
}

.waitlist input[type="text"],
.waitlist input[type="email"],
.waitlist select,
.waitlist textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.waitlist input:focus,
.waitlist select:focus,
.waitlist textarea:focus {
  outline: none;
  border-color: var(--color-border-glow);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.waitlist select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-muted) 50%),
    linear-gradient(135deg, var(--color-text-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.waitlist__hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.waitlist__consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 8px 0 20px;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--color-text-dim);
}

.waitlist__consent input {
  margin-top: 3px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.waitlist__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.waitlist__status {
  margin-top: 16px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  min-height: 1.4em;
}

.waitlist__status--ok { color: var(--color-success); }
.waitlist__status--err { color: #f87171; }

@media (max-width: 640px) {
  .waitlist__row { grid-template-columns: 1fr; }
}

.cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta__note {
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  padding: 48px 0 36px;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand .nav__logo { margin-bottom: 14px; }
.footer__brand-tagline { font-size: 0.85rem; color: var(--color-text-dim); max-width: 260px; }

.footer__cols {
  display: flex;
  gap: 64px;
}

.footer__col-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 16px;
}

.footer__col-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer__col-link:hover { color: var(--color-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.footer__social {
  display: flex;
  gap: 16px;
}

.footer__social-link {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dim);
  font-size: 0.85rem;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.footer__social-link:hover {
  border-color: var(--color-border-glow);
  color: var(--color-text);
  background: rgba(255,255,255,0.04);
}

/* ── Scroll reveal ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.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 ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .how__steps     { grid-template-columns: repeat(2, 1fr); }
  .how__steps::before { display: none; }
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__mobile-toggle { display: flex; }

  .hero__inner  { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { display: none; }
  .hero__stats  { gap: 24px; }

  .services__grid { grid-template-columns: 1fr; }
  .how__steps     { grid-template-columns: 1fr; gap: 32px; }
  .values__grid   { grid-template-columns: 1fr; }
  .about__inner   { grid-template-columns: 1fr; gap: 48px; }
  .about__metrics { grid-template-columns: 1fr 1fr; }
  .about__visual  { display: none; }

  .cta__box { padding: 56px 28px; }

  .footer__inner  { flex-direction: column; gap: 40px; }
  .footer__cols   { gap: 40px; flex-wrap: wrap; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }

  .section { padding: 72px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .about__metrics { grid-template-columns: 1fr; }
}