/* =============================================================
   Bronks IA — Premium Design System
   Dark futuristic · Corporate tech · Mobile-first
   ============================================================= */

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { line-height: 1; -webkit-font-smoothing: antialiased; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
p, h1, h2, h3, h4 { overflow-wrap: break-word; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
address, blockquote, cite { font-style: normal; }

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  /* Colors */
  --blue:        #0052FF;
  --blue-lt:     #00C8FF;
  --blue-glow:   rgba(0, 82, 255, 0.18);
  --purple:      #7C3AED;
  --purple-lt:   #A855F7;
  --purple-glow: rgba(124, 58, 237, 0.18);
  --cyan:        #06B6D4;
  --cyan-glow:   rgba(6, 182, 212, 0.18);
  --green:       #10B981;
  --green-glow:  rgba(16, 185, 129, 0.18);
  --amber:       #F59E0B;
  --rose:        #F43F5E;

  /* Backgrounds */
  --bg-900:  #020810;
  --bg-800:  #040D1A;
  --bg-700:  #071020;
  --bg-600:  #091526;
  --bg-500:  #0D1E36;
  --bg-400:  #112440;

  /* Borders */
  --border-subtle: rgba(255,255,255,0.06);
  --border-base:   rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.16);

  /* Text */
  --text-100: #F0F6FF;
  --text-200: #B8C9E0;
  --text-300: #6E85A3;
  --text-400: #3D5068;

  /* Typography */
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing scale (8px base) */
  --sp-1: 8px;   --sp-2: 16px;  --sp-3: 24px;  --sp-4: 32px;
  --sp-5: 40px;  --sp-6: 48px;  --sp-7: 56px;  --sp-8: 64px;
  --sp-10: 80px; --sp-12: 96px; --sp-16: 128px;

  /* Radius */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  16px;
  --r-xl:  24px;
  --r-2xl: 32px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.6);
  --shadow-blue: 0 0 40px rgba(0,82,255,0.2);
  --shadow-glow: 0 0 80px rgba(0,82,255,0.12);

  /* Transitions */
  --t-fast: 0.15s ease;
  --t-base: 0.3s ease;
  --t-slow: 0.5s ease;
}

/* ── Base ───────────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  background: var(--bg-900);
  color: var(--text-100);
  font-size: 16px;
  line-height: 1.6;
}
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  color: var(--text-100);
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 32px;
}
.section {
  padding-block: var(--sp-16);
}
.section--dark {
  background: var(--bg-800);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* ── Utilities ──────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--blue-lt) 0%, var(--purple-lt) 60%, var(--blue-lt) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}
@keyframes shimmer {
  to { background-position: 200% center; }
}

.glass {
  background: rgba(9, 21, 38, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-base);
}

/* ── Fade-up Reveal ─────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--delay, 0s);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Section Header ─────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--sp-10);
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-lt);
  background: rgba(0,82,255,0.1);
  border: 1px solid rgba(0,82,255,0.25);
  padding: 6px 16px;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-3);
}
.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: var(--sp-2);
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-200);
  line-height: 1.75;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 11px 22px;
  border-radius: var(--r-full);
  border: none;
  cursor: pointer;
  transition: var(--t-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: var(--t-fast);
}
.btn:hover::before { background: rgba(255,255,255,0.08); }

.btn--primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-lt) 100%);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0,82,255,0.4), 0 0 0 1px rgba(0,200,255,0.2) inset;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(0,82,255,0.55), 0 0 0 1px rgba(0,200,255,0.3) inset;
}
.btn--outline {
  background: transparent;
  color: var(--text-100);
  border: 1px solid var(--border-strong);
}
.btn--outline:hover {
  border-color: var(--blue-lt);
  color: var(--blue-lt);
  background: rgba(0,200,255,0.06);
}
.btn--ghost {
  background: transparent;
  color: var(--text-200);
  border: 1px solid var(--border-subtle);
}
.btn--ghost:hover { color: var(--text-100); border-color: var(--border-base); }
.btn--lg { padding: 14px 28px; font-size: 0.95rem; }

/* =============================================================
   HEADER
   ============================================================= */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 900;
  transition: var(--t-slow);
}
.header.scrolled {
  background: rgba(4, 13, 26, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 130px;
  gap: var(--sp-4);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  background: none;
}
.logo__mark { flex-shrink: 0; }
.logo__name {
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-100);
  letter-spacing: -0.01em;
}
.logo__highlight { color: var(--blue-lt); }
.logo__img {
  height: 190px;
  width: auto;
  object-fit: contain;
  display: block;
  background: transparent;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 12px rgba(0, 200, 255, 0.3));
}
.logo__img--footer {
  height: 160px;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 10px rgba(0, 200, 255, 0.25));
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-200);
  padding: 8px 14px;
  border-radius: var(--r-full);
  transition: var(--t-fast);
}
.nav__link:hover { color: var(--text-100); background: rgba(255,255,255,0.06); }
.nav__link--cta {
  color: var(--blue-lt);
  border: 1px solid rgba(0,200,255,0.25);
  background: rgba(0,82,255,0.08);
}
.nav__link--cta:hover { background: rgba(0,82,255,0.18); }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--r-md);
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-200);
  border-radius: 2px;
  transition: var(--t-base);
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 130px;
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 60% 40%, rgba(0,82,255,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(124,58,237,0.1) 0%, transparent 60%),
    linear-gradient(to bottom, transparent 60%, var(--bg-900) 100%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: center;
  padding-block: var(--sp-10);
}
.hero__content { max-width: 620px; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-lt);
  background: rgba(0,82,255,0.1);
  border: 1px solid rgba(0,200,255,0.2);
  padding: 7px 16px;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-3);
}
.badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-3);
}
.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-200);
  line-height: 1.8;
  margin-bottom: var(--sp-5);
}
.hero__cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: var(--sp-8);
}
.hero__metrics {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.metric__value {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--blue-lt);
  line-height: 1;
}
.metric__suffix {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue-lt);
}
.metric__label {
  font-size: 0.78rem;
  color: var(--text-300);
  font-weight: 500;
}
.metric__sep {
  width: 1px;
  height: 40px;
  background: var(--border-base);
  flex-shrink: 0;
}

/* AI Orb */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 480px;
}
.ai-orb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 220px;
}
.orb__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,200,255,0.15);
}
.orb__ring--1 { width: 100%; height: 100%; animation: spin 20s linear infinite; }
.orb__ring--2 { width: 75%; height: 75%; border-color: rgba(124,58,237,0.2); animation: spin 15s linear infinite reverse; }
.orb__ring--3 { width: 50%; height: 50%; border-color: rgba(0,82,255,0.3); animation: spin 10s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.orb__core {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(0,200,255,0.3), rgba(0,82,255,0.15));
  border: 1px solid rgba(0,200,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px rgba(0,82,255,0.3), 0 0 120px rgba(0,82,255,0.1);
  animation: orb-pulse 4s ease-in-out infinite;
}
@keyframes orb-pulse {
  0%, 100% { box-shadow: 0 0 60px rgba(0,82,255,0.3), 0 0 120px rgba(0,82,255,0.1); }
  50%       { box-shadow: 0 0 80px rgba(0,82,255,0.5), 0 0 160px rgba(0,82,255,0.15); }
}

/* Float cards */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(9,21,38,0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-base);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  animation: float-card 6s ease-in-out infinite;
}
.float-card--tl { top: 16%; left: -20px; animation-delay: -2s; }
.float-card--br { bottom: 16%; right: -20px; }
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
.float-card__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: rgba(250,204,21,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.float-card__icon--green { background: rgba(16,185,129,0.15); }
.float-card__title {
  display: block;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-100);
}
.float-card__sub {
  display: block;
  font-size: 0.75rem;
  color: var(--text-300);
  margin-top: 2px;
}

.hero__scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.scroll-cue__line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--blue-lt), transparent);
  animation: cue-scroll 2.5s ease-in-out infinite;
}
@keyframes cue-scroll {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* =============================================================
   ABOUT
   ============================================================= */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: center;
}
.about .section-tag,
.about .section-title { text-align: left; }
.about__lead {
  font-size: 1.1rem;
  color: var(--text-100);
  line-height: 1.75;
  margin-bottom: var(--sp-2);
}
.about__body {
  font-size: 0.95rem;
  color: var(--text-200);
  line-height: 1.8;
  margin-bottom: var(--sp-4);
}
.about__pillars { display: flex; flex-direction: column; gap: var(--sp-2); }
.pillar {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  transition: var(--t-base);
}
.pillar:hover { border-color: var(--border-base); background: rgba(255,255,255,0.02); }
.pillar__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  background: var(--bg-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pillar div { display: flex; flex-direction: column; gap: 4px; }
.pillar strong { font-family: var(--font-head); font-size: 0.9rem; font-weight: 600; color: var(--text-100); }
.pillar span { font-size: 0.82rem; color: var(--text-300); }

.about__card {
  border-radius: var(--r-xl);
  padding: var(--sp-4);
}
.about__card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-200);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border-subtle);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.status-dot--live {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
.about__stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: var(--sp-3);
}
.a-stat {
  background: var(--bg-600);
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: var(--t-base);
}
.a-stat:hover { background: var(--bg-500); }
.a-stat__n {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue-lt);
}
.a-stat__l { font-size: 0.78rem; color: var(--text-300); }
.about__domains {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.domain-tag {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-200);
  background: var(--bg-500);
  border: 1px solid var(--border-subtle);
  padding: 5px 12px;
  border-radius: var(--r-full);
}

/* =============================================================
   SERVICES
   ============================================================= */
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  background: var(--bg-600);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: var(--sp-3);
  transition: var(--t-base);
  transition-delay: var(--delay, 0s);
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: default;
}
.service-card:hover {
  border-color: var(--border-base);
  background: var(--bg-500);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: var(--ic);
  border: 1px solid color-mix(in srgb, var(--is) 30%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.service-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-100);
  line-height: 1.3;
}
.service-card__desc {
  font-size: 0.85rem;
  color: var(--text-300);
  line-height: 1.7;
  flex: 1;
}
.service-card__value {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-lt);
  opacity: 0.85;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  display: block;
}

/* =============================================================
   SOLUTIONS
   ============================================================= */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.solution-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  transition: var(--t-base);
  transition-delay: var(--delay, 0s);
}
.solution-item:hover {
  border-color: var(--border-base);
  background: rgba(255,255,255,0.02);
  transform: translateX(4px);
}
.solution-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--bg-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}
.solution-item div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.solution-item strong {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-100);
  line-height: 1.3;
}
.solution-item span {
  font-size: 0.82rem;
  color: var(--text-300);
  line-height: 1.6;
}

/* =============================================================
   DIFFERENTIALS
   ============================================================= */
.diff__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.diff-card {
  padding: var(--sp-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  background: var(--bg-600);
  transition: var(--t-base);
  transition-delay: var(--delay, 0s);
}
.diff-card:hover {
  border-color: rgba(0,200,255,0.2);
  background: var(--bg-500);
  transform: translateY(-2px);
}
.diff-card__number {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(0,200,255,0.15);
  line-height: 1;
  margin-bottom: var(--sp-2);
  letter-spacing: -0.03em;
}
.diff-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-100);
  margin-bottom: 10px;
  line-height: 1.3;
}
.diff-card p {
  font-size: 0.85rem;
  color: var(--text-300);
  line-height: 1.7;
}

/* =============================================================
   TECHNOLOGIES
   ============================================================= */
.tech__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.tech-badge {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--r-full);
  border: 1px solid transparent;
  transition: var(--t-base);
  cursor: default;
}
.tech-badge:hover { transform: translateY(-2px) scale(1.04); }
.tech-badge--blue   { color: var(--blue-lt);   background: rgba(0,82,255,0.1);   border-color: rgba(0,82,255,0.2); }
.tech-badge--purple { color: var(--purple-lt);  background: rgba(124,58,237,0.1); border-color: rgba(124,58,237,0.2); }
.tech-badge--cyan   { color: var(--cyan);       background: rgba(6,182,212,0.1);  border-color: rgba(6,182,212,0.2); }
.tech-badge--green  { color: var(--green);      background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); }
.tech-badge--blue:hover   { background: rgba(0,82,255,0.2); }
.tech-badge--purple:hover { background: rgba(124,58,237,0.2); }
.tech-badge--cyan:hover   { background: rgba(6,182,212,0.2); }
.tech-badge--green:hover  { background: rgba(16,185,129,0.2); }

/* =============================================================
   BENEFITS
   ============================================================= */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.benefit-card {
  padding: var(--sp-4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-xl);
  background: var(--bg-600);
  text-align: center;
  transition: var(--t-base);
  transition-delay: var(--delay, 0s);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.benefit-card:hover {
  border-color: var(--border-base);
  background: var(--bg-500);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.benefit-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-500);
  border: 1px solid var(--border-base);
  display: flex;
  align-items: center;
  justify-content: center;
}
.benefit-card__val {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue-lt);
  letter-spacing: -0.03em;
  line-height: 1;
}
.benefit-card h3 {
  font-size: 1rem;
  font-weight: 600;
}
.benefit-card p {
  font-size: 0.88rem;
  color: var(--text-300);
  line-height: 1.7;
}

/* =============================================================
   TESTIMONIALS
   ============================================================= */
.testi__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: var(--sp-8);
}
.testi-card {
  border-radius: var(--r-xl);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--t-base);
  transition-delay: var(--delay, 0s);
}
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testi-card__stars {
  font-size: 1rem;
  color: var(--amber);
  letter-spacing: 2px;
}
.testi-card blockquote {
  font-size: 0.92rem;
  color: var(--text-200);
  line-height: 1.8;
  flex: 1;
}
.testi-card footer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}
.testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--av);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 20px color-mix(in srgb, var(--av) 40%, transparent);
}
.testi-card cite {
  display: block;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-100);
}
.testi-card span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-300);
  margin-top: 3px;
}

.testi__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--r-xl);
  overflow: hidden;
}
.testi-metric {
  background: var(--bg-500);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  transition: var(--t-base);
}
.testi-metric:hover { background: var(--bg-400); }
.testi-metric__val {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue-lt);
  line-height: 1;
}
.testi-metric > span:nth-child(2) {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-lt);
}
.testi-metric > span:last-child {
  font-size: 0.82rem;
  color: var(--text-300);
  display: block;
}

/* =============================================================
   CTA FINAL
   ============================================================= */
.cta-final {
  position: relative;
  overflow: hidden;
  background: var(--bg-900);
}
.cta-final__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}
.cta-final__inner {
  position: relative;
  z-index: 1;
}
.cta-final__content {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
}
.cta-final__title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-block: var(--sp-2) var(--sp-3);
  line-height: 1.1;
}
.cta-final__sub {
  font-size: 1.05rem;
  color: var(--text-200);
  line-height: 1.8;
  margin-bottom: var(--sp-5);
}
.cta-final__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: var(--sp-3);
}
.cta-final__note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-400);
}

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  background: var(--bg-800);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--sp-10);
  padding-bottom: var(--sp-4);
}
.footer__top {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1fr 1.5fr;
  gap: var(--sp-8);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border-subtle);
}
.footer__brand { display: flex; flex-direction: column; gap: var(--sp-2); }
.footer__tagline {
  font-size: 0.88rem;
  color: var(--text-300);
  line-height: 1.7;
  max-width: 280px;
}
.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}
.social-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-base);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-300);
  transition: var(--t-fast);
}
.social-btn:hover {
  color: var(--blue-lt);
  border-color: rgba(0,200,255,0.3);
  background: rgba(0,82,255,0.1);
}
.footer__col-title {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-400);
  margin-bottom: var(--sp-2);
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a {
  font-size: 0.88rem;
  color: var(--text-300);
  transition: var(--t-fast);
}
.footer__col a:hover { color: var(--blue-lt); }
.footer__contact-col address { display: flex; flex-direction: column; gap: 12px; }
.footer__contact-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-300);
  transition: var(--t-fast);
}
a.footer__contact-link:hover { color: var(--blue-lt); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-4);
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.footer__bottom p { font-size: 0.82rem; color: var(--text-400); }
.footer__bottom nav { display: flex; gap: var(--sp-3); }
.footer__bottom nav a { font-size: 0.82rem; color: var(--text-400); transition: var(--t-fast); }
.footer__bottom nav a:hover { color: var(--text-200); }

/* =============================================================
   WHATSAPP FLOAT
   ============================================================= */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 800;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: var(--t-base);
}
.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 32px rgba(37,211,102,0.65);
}
.whatsapp-float__pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25D366;
  animation: wa-pulse 2.5s ease-out infinite;
}
@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* =============================================================
   FOCUS & ACCESSIBILITY
   ============================================================= */
:focus-visible {
  outline: 2px solid var(--blue-lt);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* =============================================================
   RESPONSIVE — 1280px
   ============================================================= */
@media (max-width: 1280px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); }
  .diff__grid { grid-template-columns: repeat(2, 1fr); }
}

/* 1024px */
@media (max-width: 1024px) {
  .section { padding-block: 96px; }
  .hero__inner { gap: var(--sp-6); }
  .about__grid { gap: var(--sp-6); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .solutions__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
}

/* 768px */
@media (max-width: 768px) {
  .container { padding-inline: 20px; }
  .section { padding-block: 80px; }

  /* Nav */
  .nav__links {
    position: fixed;
    inset-block-start: 130px;
    inset-inline: 0;
    background: rgba(4, 13, 26, 0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--t-base);
    pointer-events: none;
    z-index: 899;
  }
  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav__link { width: 100%; text-align: center; padding: 14px; border-radius: var(--r-md); }
  .nav__toggle { display: flex; }

  /* Hero */
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-block: 60px 80px;
  }
  .hero__cta { justify-content: center; }
  .hero__metrics { justify-content: center; }
  .hero__visual { display: none; }
  .hero__scroll-cue { display: none; }

  /* About */
  .about__grid { grid-template-columns: 1fr; }
  .about .section-tag, .about .section-title { text-align: center; }
  .about__lead, .about__body { text-align: center; }
  .about__pillars { align-items: stretch; }

  /* Services */
  .services__grid { grid-template-columns: 1fr 1fr; }

  /* Solutions */
  .solutions__grid { grid-template-columns: 1fr; }

  /* Differentials */
  .diff__grid { grid-template-columns: 1fr; }

  /* Benefits */
  .benefits__grid { grid-template-columns: 1fr 1fr; }

  /* Testimonials */
  .testi__grid { grid-template-columns: 1fr; }
  .testi__metrics { grid-template-columns: 1fr; }

  /* CTA */
  .cta-final__actions { flex-direction: column; align-items: stretch; }
  .cta-final__actions .btn { justify-content: center; }

  /* Footer */
  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
  .footer__bottom { flex-direction: column; text-align: center; }
  .footer__bottom nav { justify-content: center; }

  /* WhatsApp */
  .whatsapp-float { bottom: 20px; right: 20px; }
}

/* 480px */
@media (max-width: 480px) {
  .services__grid { grid-template-columns: 1fr; }
  .benefits__grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .hero__metrics { flex-direction: column; align-items: center; }
  .metric__sep { width: 40px; height: 1px; }
  .btn--lg { padding: 13px 22px; font-size: 0.9rem; }
}