/* Art direction: IAM/Security Startup → Authoritative, minimal, steel-dark
   Palette: near-black with steel-blue primary
   Typography: Cabinet Grotesk (display) + Satoshi (body)
   Mobile-first: all touch targets ≥ 44px, readable font sizes, proper spacing */

/* ===== DESIGN TOKENS ===== */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.25rem,  1rem    + 1.25vw, 2rem);
  --text-2xl:  clamp(1.5rem,   1.25rem + 1.5vw,  2.5rem);
  --text-3xl:  clamp(2rem,     1.5rem  + 2vw,    3.5rem);
  --text-4xl:  clamp(2.5rem,   2rem    + 2.5vw,  4.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --radius-xl: 24px; --radius-full: 9999px;
  --transition-fast: 150ms ease;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
  --section-y: clamp(var(--space-12), 8vw, var(--space-24));

  --font-display: 'Cabinet Grotesk', sans-serif;
  --font-body: 'Satoshi', system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
  --color-bg:           oklch(98% 0.005 250);
  --color-bg-alt:       oklch(96% 0.008 250);
  --color-surface:      oklch(100% 0 0);
  --color-border:       oklch(85% 0.01 250);
  --color-text:         oklch(16% 0.02 250);
  --color-text-muted:   oklch(44% 0.02 250);
  --color-text-faint:   oklch(65% 0.015 250);
  --color-text-inverse: oklch(98% 0.005 250);
  --color-primary:      oklch(52% 0.18 240);
  --color-primary-hover:oklch(46% 0.2 240);
  --color-accent:       oklch(62% 0.14 195);
  --color-hero-overlay: oklch(12% 0.03 250 / 0.75);
  --shadow-sm: 0 1px 3px oklch(0% 0 0 / 0.07), 0 1px 2px oklch(0% 0 0 / 0.04);
  --shadow-md: 0 4px 12px oklch(0% 0 0 / 0.08), 0 2px 4px oklch(0% 0 0 / 0.04);
  --shadow-lg: 0 16px 40px oklch(0% 0 0 / 0.1),  0 4px 12px oklch(0% 0 0 / 0.06);
}

[data-theme="dark"] {
  --color-bg:           oklch(11% 0.01 250);
  --color-bg-alt:       oklch(14% 0.013 250);
  --color-surface:      oklch(16% 0.016 250);
  --color-border:       oklch(26% 0.018 250);
  --color-text:         oklch(93% 0.007 250);
  --color-text-muted:   oklch(64% 0.013 250);
  --color-text-faint:   oklch(43% 0.01 250);
  --color-text-inverse: oklch(11% 0.01 250);
  --color-primary:      oklch(72% 0.14 220);
  --color-primary-hover:oklch(78% 0.16 220);
  --color-accent:       oklch(72% 0.13 190);
  --color-hero-overlay: oklch(9% 0.015 250 / 0.8);
  --shadow-sm: 0 1px 3px oklch(0% 0 0 / 0.35), 0 1px 2px oklch(0% 0 0 / 0.25);
  --shadow-md: 0 4px 12px oklch(0% 0 0 / 0.4),  0 2px 4px oklch(0% 0 0 / 0.25);
  --shadow-lg: 0 16px 40px oklch(0% 0 0 / 0.55), 0 4px 12px oklch(0% 0 0 / 0.35);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; scroll-padding-top: 5rem; }
body {
  font-family: var(--font-body);
  background: var(--color-bg); color: var(--color-text);
  line-height: 1.6; overflow-x: hidden;
  transition: background var(--transition-smooth), color var(--transition-smooth);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
.container { width: min(1200px, 100% - 2.5rem); margin-inline: auto; }
.section-padding { padding-block: var(--section-y); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.header--scrolled { border-color: var(--color-border); box-shadow: var(--shadow-sm); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: clamp(3.5rem, 5vw, 4.5rem); gap: var(--space-4);
}

/* ===== LOGO ===== */
.logo {
  display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 800; font-size: var(--text-lg);
  color: var(--color-text); flex-shrink: 0;
  transition: opacity var(--transition-fast);
  /* Minimum touch target */
  min-height: 44px;
}
.logo:hover { opacity: 0.8; }
.logo__text .accent { color: var(--color-primary); }

/* ===== NAV ===== */
.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav__links { display: flex; align-items: center; gap: 0; }
.nav__link {
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  position: relative; transition: color var(--transition-fast);
  /* 44px touch target height */
  min-height: 44px; display: inline-flex; align-items: center;
}
.nav__link::after {
  content:''; position: absolute; bottom: 4px; left: var(--space-3); right: var(--space-3);
  height: 2px; background: var(--color-primary); border-radius: 1px;
  transform: scaleX(0); transition: transform var(--transition-interactive);
}
.nav__link:hover { color: var(--color-text); }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }
.nav__link.active { color: var(--color-primary); }

.theme-toggle {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-bg-alt); }

.mobile-menu-btn {
  display: none;
  width: 44px; height: 44px; align-items: center; justify-content: center;
  color: var(--color-text-muted); border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  flex-shrink: 0;
}
.mobile-menu-btn:hover { color: var(--color-text); background: var(--color-bg-alt); }

/* Mobile nav — hidden by default, shown with .is-open */
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--space-3) 0 var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav ul { display: flex; flex-direction: column; }
.mobile-nav .nav__link {
  padding: var(--space-3) var(--space-4);
  min-height: 48px; /* slightly larger for mobile */
  border-radius: 0;
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.5);
  font-size: var(--text-base);
}
.mobile-nav .nav__link:last-child { border-bottom: none; }
.mobile-nav .nav__link::after { display: none; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600;
  min-height: 44px; /* always tappable */
  transition: all var(--transition-interactive);
  white-space: nowrap;
}
.btn-sm { padding: var(--space-2) var(--space-4); min-height: 36px; font-size: var(--text-xs); }
.btn-primary {
  background: var(--color-primary); color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 16px oklch(from var(--color-primary) l c h / 0.35);
  transform: translateY(-1px);
}
.btn-ghost {
  border: 1px solid var(--color-border); color: var(--color-text); background: transparent;
}
.btn-ghost:hover { background: var(--color-bg-alt); border-color: var(--color-primary); color: var(--color-primary); }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(135deg, oklch(10% 0.02 250) 0%, oklch(14% 0.03 240) 50%, oklch(11% 0.025 260) 100%);
}
.hero__bg-grid {
  position: absolute; inset: 0; z-index: 1; opacity: 0.035;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 60px, oklch(75% 0.08 220) 60px, oklch(75% 0.08 220) 61px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, oklch(75% 0.08 220) 60px, oklch(75% 0.08 220) 61px);
}
.hero__content {
  position: relative; z-index: 3;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-16); align-items: center;
  padding-block: clamp(var(--space-20), 12vw, var(--space-24));
  padding-top: calc(clamp(var(--space-20), 12vw, var(--space-24)) + 4.5rem);
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-primary); padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.35);
  background: oklch(from var(--color-primary) l c h / 0.1);
  margin-bottom: var(--space-6);
}
.hero__eyebrow svg { width: 12px; height: 12px; }
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl); font-weight: 900;
  line-height: 1.08; letter-spacing: -0.03em;
  color: oklch(96% 0.006 250); margin-bottom: var(--space-6);
}
.hero__title .highlight { color: var(--color-primary); }
.hero__desc {
  font-size: var(--text-base); color: oklch(72% 0.01 250);
  line-height: 1.75; max-width: 520px; margin-bottom: var(--space-8);
}
.hero__actions { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.hero__trust {
  margin-top: var(--space-10); padding-top: var(--space-8);
  border-top: 1px solid oklch(from var(--color-border) l c h / 0.25);
}
.hero__trust-label { font-size: var(--text-xs); color: oklch(52% 0.01 250); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--space-4); }
.hero__trust-badges { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.trust-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; color: oklch(68% 0.01 250);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  border: 1px solid oklch(from var(--color-border) l c h / 0.28);
  background: oklch(from var(--color-surface) l c h / 0.06);
}
.trust-badge svg { width: 13px; height: 13px; color: var(--color-accent); }

/* Hero visual */
.hero__visual { display: flex; flex-direction: column; gap: var(--space-4); }
.hero__card {
  background: oklch(from var(--color-surface) l c h / 0.08);
  border: 1px solid oklch(from var(--color-border) l c h / 0.22);
  backdrop-filter: blur(12px); border-radius: var(--radius-xl); padding: var(--space-6);
}
.hero__card-title {
  font-family: var(--font-display); font-size: var(--text-xs);
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-primary); margin-bottom: var(--space-5);
  display: flex; align-items: center; gap: var(--space-2);
}
.hero__card-title svg { width: 13px; height: 13px; }
.service-pills { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.service-pill {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  background: oklch(from var(--color-primary) l c h / 0.12);
  color: oklch(80% 0.1 220); border: 1px solid oklch(from var(--color-primary) l c h / 0.25);
  transition: all var(--transition-interactive);
}
.service-pill:hover { background: oklch(from var(--color-primary) l c h / 0.22); transform: translateY(-1px); }
.service-pill svg { width: 11px; height: 11px; }
.hero__stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.hero__stat {
  background: oklch(from var(--color-surface) l c h / 0.07);
  border: 1px solid oklch(from var(--color-border) l c h / 0.18);
  border-radius: var(--radius-lg); padding: var(--space-4); text-align: center;
}
.hero__stat-val {
  font-family: var(--font-display);
  font-size: var(--text-xl); font-weight: 800; color: var(--color-primary);
}
.hero__stat-lbl { font-size: var(--text-xs); color: oklch(58% 0.01 250); margin-top: var(--space-1); }

/* ===== STATS BAR ===== */
.stats { background: var(--color-bg-alt); border-block: 1px solid var(--color-border); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: var(--space-8) 0; gap: var(--space-4); }
.stat { text-align: center; padding: var(--space-6); }
.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl); font-weight: 800; color: var(--color-primary); line-height: 1;
}
.stat__label { font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-top: var(--space-2); }

/* ===== SECTION LABELS ===== */
.section-label {
  display: block; font-size: var(--text-xs); font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: var(--space-4);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl); font-weight: 800;
  line-height: 1.15; letter-spacing: -0.02em;
  color: var(--color-text); margin-bottom: var(--space-5);
}
.section-desc { font-size: var(--text-base); color: var(--color-text-muted); max-width: 560px; line-height: 1.7; }
.services__header { margin-bottom: var(--space-12); }

/* ===== SERVICES ===== */
.services__layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: start; }
.services__list { display: flex; flex-direction: column; gap: var(--space-4); }
.service-card {
  display: flex; align-items: flex-start; gap: var(--space-5);
  padding: var(--space-6); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); background: var(--color-surface);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}
.service-card:hover { box-shadow: var(--shadow-md); border-color: oklch(from var(--color-primary) l c h / 0.4); transform: translateY(-2px); }
.service-card__icon {
  width: 2.5rem; height: 2.5rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: oklch(from var(--color-primary) l c h / 0.1);
  border-radius: var(--radius-md); color: var(--color-primary);
}
.service-card__icon svg { width: 1.25rem; height: 1.25rem; }
.service-card__title { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-2); }
.service-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; }
.services__visual { position: sticky; top: calc(4.5rem + var(--space-8)); }
.services__visual-panel {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-6);
  box-shadow: var(--shadow-md);
}
.services__visual-panel h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-2); }
.compliance-badges { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.compliance-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 700;
  background: oklch(from var(--color-primary) l c h / 0.1);
  color: var(--color-primary); border: 1px solid oklch(from var(--color-primary) l c h / 0.3);
}
.compliance-badge.accent {
  background: oklch(from var(--color-accent) l c h / 0.1);
  color: var(--color-accent); border-color: oklch(from var(--color-accent) l c h / 0.3);
}
.arch-stack { display: flex; flex-direction: column; gap: var(--space-3); }
.arch-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4); background: var(--color-bg-alt);
  border-radius: var(--radius-md); border: 1px solid var(--color-border); font-size: var(--text-sm);
}
.arch-item__label { font-weight: 700; color: var(--color-text-muted); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; }
.arch-item__value { font-weight: 600; color: var(--color-text); }

/* ===== VERTICALS ===== */
.verticals { background: var(--color-bg-alt); }
.verticals__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: var(--space-10); }
.vertical-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-4);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.vertical-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.vertical-card__icon {
  width: 2.5rem; height: 2.5rem; display: flex; align-items: center; justify-content: center;
  background: oklch(from var(--color-primary) l c h / 0.1);
  border-radius: var(--radius-md); color: var(--color-primary);
}
.vertical-card__name { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; }
.vertical-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; }

/* ===== DPDP ===== */
.dpdp__layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: center; }
.dpdp__text p { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.75; margin-bottom: var(--space-5); }
.dpdp__pillars { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-top: var(--space-8); }
.dpdp__pillar {
  padding: var(--space-5); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); background: var(--color-surface);
}
.dpdp__pillar h4 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm); margin-bottom: var(--space-2); }
.dpdp__pillar p { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.6; }
.dpdp__visual {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8); box-shadow: var(--shadow-md);
}
.dpdp__timeline { display: flex; flex-direction: column; gap: var(--space-4); }
.dpdp__step {
  display: flex; align-items: flex-start; gap: var(--space-4);
  padding: var(--space-4); border-radius: var(--radius-md);
  border: 1px solid oklch(from var(--color-border) l c h / 0.5);
}
.dpdp__step-num {
  width: 2rem; height: 2rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: oklch(from var(--color-primary) l c h / 0.12);
  border-radius: var(--radius-full); color: var(--color-primary);
  font-weight: 800; font-size: var(--text-sm); font-family: var(--font-display);
}
.dpdp__step-title { font-weight: 700; font-size: var(--text-sm); margin-bottom: var(--space-1); }
.dpdp__step-desc { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.6; }

/* ===== PROCESS ===== */
.process__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); margin-top: var(--space-12); }
.step { display: flex; flex-direction: column; gap: var(--space-4); }
.step__number {
  font-family: var(--font-display); font-size: var(--text-4xl);
  font-weight: 800; color: oklch(from var(--color-primary) l c h / 0.18); line-height: 1;
}
.step__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.step__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }

/* ===== ABOUT ===== */
.about__layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: center; }
.about__text { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.75; margin-bottom: var(--space-5); }
.about__skills { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-6); }
.skill-tag {
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: 600;
  background: oklch(from var(--color-primary) l c h / 0.1);
  color: var(--color-primary); border: 1px solid oklch(from var(--color-primary) l c h / 0.25);
}
.about__visual {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8); box-shadow: var(--shadow-md);
}
.founder-card { display: flex; align-items: flex-start; gap: var(--space-5); margin-bottom: var(--space-6); }
.founder-avatar {
  width: 4rem; height: 4rem; border-radius: var(--radius-full); flex-shrink: 0;
  background: oklch(from var(--color-primary) l c h / 0.15);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 900;
  font-size: var(--text-lg); color: var(--color-primary);
}
.founder-info h4 { font-family: var(--font-display); font-weight: 800; font-size: var(--text-base); }
.founder-info p { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }
.founder-bio { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; margin-bottom: var(--space-5); }

/* ===== CONTACT ===== */
.contact__layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: var(--space-16); align-items: start; }
.contact__info { display: flex; flex-direction: column; gap: var(--space-6); }
.contact__item { display: flex; align-items: flex-start; gap: var(--space-4); }
.contact__item-icon {
  width: 2.5rem; height: 2.5rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: oklch(from var(--color-primary) l c h / 0.1);
  border-radius: var(--radius-md); color: var(--color-primary);
}
.contact__item-icon svg { width: 1.1rem; height: 1.1rem; }
.contact__item-label { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-faint); margin-bottom: var(--space-1); }
.contact__item-value { font-size: var(--text-sm); color: var(--color-text); font-weight: 500; }
.contact__form, .contact__form-wrap {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8); box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-group label, .form-label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.form-group input, .form-group select, .form-group textarea,
.form-input {
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-bg);
  color: var(--color-text); font-size: var(--text-sm); font-family: inherit;
  min-height: 44px;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  width: 100%;
  -webkit-appearance: none; appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus,
.form-input:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.form-textarea, .form-group textarea { resize: vertical; min-height: 120px; }

/* ===== FOOTER ===== */
.footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); }
.footer__inner {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12); padding-block: var(--space-16);
}
.footer__brand p, .footer__tagline {
  font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7;
  margin-top: var(--space-4); max-width: 280px;
}
.footer__col h4 { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 700; margin-bottom: var(--space-5); }
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a, .footer__link {
  font-size: var(--text-sm); color: var(--color-text-muted);
  transition: color var(--transition-fast);
  min-height: 36px; display: inline-flex; align-items: center;
}
.footer__links a:hover, .footer__link:hover { color: var(--color-primary); }
.footer__bottom, .footer__copy {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--space-6); border-top: 1px solid var(--color-border);
  font-size: var(--text-xs); color: var(--color-text-faint);
}
.footer__copy {
  /* subpage footer simplified */
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__bottom a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.footer__bottom a:hover { color: var(--color-primary); }

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in-view { opacity: 1; transform: none; }

/* ===== LOGO IMAGE ===== */
.logo__img {
  height: 42px; width: 42px;
  object-fit: contain; border-radius: 6px; display: block;
}
[data-theme="light"] .logo__img { mix-blend-mode: multiply; filter: none; }
[data-theme="dark"]  .logo__img { mix-blend-mode: screen; filter: brightness(1.3) contrast(1.1); }

.hero__logo-display { display: flex; justify-content: center; margin-bottom: var(--space-4); }
.hero__logo-display img { border-radius: var(--radius-lg); }
[data-theme="light"] .hero__logo-display img { mix-blend-mode: multiply; }
[data-theme="dark"]  .hero__logo-display img { mix-blend-mode: screen; filter: brightness(1.3) contrast(1.1); }

/* ===== TOUCH & KEYBOARD UX ===== */
.btn:active { transform: scale(0.97); opacity: 0.9; }
.service-card:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.vertical-card:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
button:focus-visible, a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

/* ===== RESPONSIVE — TABLET ===== */
@media (max-width: 1024px) {
  .hero__content { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero__visual { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .services__layout, .dpdp__layout, .about__layout, .contact__layout { grid-template-columns: 1fr; gap: var(--space-10); }
  .services__visual { position: static; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .process__steps { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .verticals__grid { grid-template-columns: 1fr 1fr; }
}

/* ===== RESPONSIVE — MOBILE ===== */
@media (max-width: 768px) {
  .container { width: min(100%, 100% - 2rem); }
  .section-padding { padding-block: clamp(var(--space-10), 6vw, var(--space-16)); }

  /* Nav */
  .nav__links, .nav .btn-sm { display: none; }
  .mobile-menu-btn { display: flex; }
  .theme-toggle { display: flex; }

  /* Hero — single column, reduce padding */
  .hero { min-height: auto; padding-bottom: var(--space-12); }
  .hero__content {
    grid-template-columns: 1fr;
    padding-top: calc(var(--space-16) + 4rem);
    gap: var(--space-8);
  }
  .hero__visual { display: flex; flex-direction: column; gap: var(--space-4); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; width: 100%; }
  .hero__trust-badges { gap: var(--space-2); }

  /* Stats — 2 col */
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: var(--space-4); }

  /* Verticals — 1 col on small mobile */
  .verticals__grid { grid-template-columns: 1fr; margin-top: var(--space-6); }

  /* Process — 1 col */
  .process__steps { grid-template-columns: 1fr; gap: var(--space-8); }

  /* DPDP pillars */
  .dpdp__pillars { grid-template-columns: 1fr; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact__layout { gap: var(--space-8); }
  .contact__form, .contact__form-wrap { padding: var(--space-6); }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-6); padding-block: var(--space-10); }
  .footer__bottom { flex-direction: column; gap: var(--space-3); text-align: center; }

  /* Section title size */
  .section-title { font-size: clamp(1.6rem, 5vw, 2.2rem); }
  .section-desc { font-size: var(--text-sm); }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .hero__stat-row { grid-template-columns: 1fr; gap: var(--space-2); }
  .about__visual { padding: var(--space-5); }
  .services__visual-panel { padding: var(--space-5); }
}