/* PBO v1.0 — Rediseño completo 2026 · styles.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Paleta principal: Light elegante */
  --bg:           #fafbfc;
  --surface:      #ffffff;
  --surface-elev: #f4f6f8;
  --surface-dark: #0f172a;

  /* Acentos */
  --accent:       #f59e0b;        /* Ámbar dorado */
  --accent-light: #fbbf24;
  --accent-dark:  #d97706;
  --accent-10:    rgba(245, 158, 11, 0.08);
  --accent-20:    rgba(245, 158, 11, 0.15);

  /* Azul corporativo */
  --navy:         #0f172a;
  --navy-light:   #1e293b;
  --navy-muted:   #475569;
  --navy-10:      rgba(15, 23, 42, 0.04);
  --navy-20:      rgba(15, 23, 42, 0.08);

  /* Texto */
  --text:         #0f172a;
  --text-secondary: #475569;
  --text-muted:   #64748b;
  --text-light:   #94a3b8;
  --white:        #ffffff;

  /* Bordes */
  --border:       #e2e8f0;
  --border-light: #f1f5f9;
  --border-dark:  #cbd5e1;

  /* Estados */
  --green:        #10b981;
  --green-light:  rgba(16, 185, 129, 0.08);
  --red:          #ef4444;

  /* Radios */
  --r-sm:  8px;
  --r-md:  12px;
  --r-lg:  16px;
  --r-xl:  24px;
  --r-full: 9999px;

  /* Layout */
  --nav-h: 72px;
  --max-w: 1140px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.08);
  --shadow-xl: 0 24px 64px rgba(15, 23, 42, 0.12);

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-header {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ===== TIPOGRAFÍA ===== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: var(--accent-10);
  padding: 6px 14px;
  border-radius: var(--r-full);
  margin-bottom: 20px;
}

.section-h {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 400;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(250, 251, 252, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow var(--transition-fast), background var(--transition-fast);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.96);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  flex-shrink: 0;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

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

.nav__links {
  display: flex;
  gap: 28px;
  margin-right: auto;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

.nav__links a:hover {
  color: var(--text);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav__mobile {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 8px 0 20px;
  box-shadow: var(--shadow-lg);
}

.nav__mobile a {
  padding: 14px 24px;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  transition: background var(--transition-fast);
}

.nav__mobile a:hover {
  background: var(--surface-elev);
  color: var(--accent-dark);
}

.nav__mobile-lang {
  display: flex;
  gap: 8px;
  padding: 12px 24px;
  border-top: 1px solid var(--border-light);
  margin-top: 8px;
}

.nav__mobile-cta {
  margin: 12px 24px 0;
  display: block;
  text-align: center;
}

/* ===== LANG SWITCHER ===== */
.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: 'Inter', sans-serif;
}

.lang-btn.is-active,
.lang-btn[aria-pressed="true"],
.lang-btn:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--r-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary.lg {
  padding: 14px 32px;
  font-size: 15px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  font-weight: 500;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--r-lg);
  border: 1.5px solid var(--border-dark);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-10);
}

.btn-outline.lg {
  padding: 14px 32px;
  font-size: 15px;
}

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

/* ===== HERO ===== */
.hero {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
}

.hero__bg-shape {
  position: absolute;
  top: -100px;
  right: -150px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-20) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 24px;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.hero__h {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 5vw, 64px);
  color: var(--text);
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero__h-accent {
  display: block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  font-weight: 400;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.trust-icon {
  color: var(--green);
  flex-shrink: 0;
}

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

.hero__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 420px;
  overflow: hidden;
}

.hero__card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  background: var(--surface-elev);
}

.hero__card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ef4444;
}

.hero__card-dot.yellow { background: #f59e0b; }
.hero__card-dot.green { background: #10b981; }

.hero__card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: 8px;
}

.hero__card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-bubble {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  animation: fadeInUp 0.5s ease forwards;
  opacity: 0;
}

.chat-bubble:nth-child(1) { animation-delay: 0.2s; }
.chat-bubble:nth-child(2) { animation-delay: 0.6s; }
.chat-bubble:nth-child(3) { animation-delay: 1.0s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.chat-text {
  background: var(--surface-elev);
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 280px;
}

.chat-bubble--user {
  flex-direction: row-reverse;
}

.chat-bubble--user .chat-text {
  background: var(--navy);
  color: var(--white);
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.stat {
  padding: 40px 24px;
  text-align: center;
  border-right: 1px solid var(--border-light);
}

.stat:last-child { border-right: none; }

.stat__n {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2.8rem;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat--text .stat__n {
  font-size: 1.8rem;
  color: var(--accent-dark);
}

.stat__l {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  font-weight: 500;
}

/* ===== PILLARS ===== */
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: all var(--transition-base);
}

.pillar:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.pillar__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: var(--accent-10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  margin-bottom: 20px;
}

.pillar h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}

.pillar p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== PRODUCTS ===== */
.products {
  background: var(--surface-elev);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}

.product-card--partner::before {
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
}

.product-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-card__top {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  background: var(--accent-10);
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--r-full);
  width: fit-content;
}

.product-badge--partner {
  background: rgba(99, 102, 241, 0.08);
  color: #6366f1;
}

.product-card__name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.product-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.product-card__bottom {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--surface-elev);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-weight: 500;
}

.tag--accent {
  background: var(--accent-10);
  color: var(--accent-dark);
  border-color: var(--accent-20);
}

.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-dark);
  transition: gap var(--transition-fast);
}

.product-card__link:hover {
  gap: 10px;
}

.product-card__link svg {
  transition: transform var(--transition-fast);
}

.product-card__link:hover svg {
  transform: translateX(3px);
}

/* ===== TECH ===== */
.tech__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.tech-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: all var(--transition-fast);
}

.tech-block:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-sm);
}

.tech-block--highlight {
  background: linear-gradient(135deg, var(--navy-10), var(--accent-10));
  border-color: var(--accent-20);
}

.tech-block__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 16px;
}

.tech-block__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-item {
  background: var(--surface-elev);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--r-sm);
  transition: all var(--transition-fast);
}

.tech-item:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-10);
}

.tech-item--accent {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.tech-item--accent:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  color: var(--white);
}

.integrations {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
}

.integrations__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 18px;
}

.integrations__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.integration-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.integration-chip::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.integration-chip--comm::before { background: var(--accent); }
.integration-chip--pay::before { background: #6366f1; }

.integration-chip:hover {
  border-color: var(--border-dark);
  background: var(--surface);
}

/* ===== MODELO ===== */
.model {
  background: var(--surface-elev);
}

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

.model-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px;
  transition: all var(--transition-base);
}

.model-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-md);
}

.model-card--highlight {
  background: linear-gradient(135deg, var(--accent-10), rgba(245, 158, 11, 0.03));
  border-color: var(--accent-20);
}

.model-card--wide {
  grid-column: 1 / -1;
}

.model-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  background: var(--accent-10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  margin-bottom: 20px;
}

.model-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}

.model-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.model-card__cta {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-dark);
  transition: gap var(--transition-fast);
}

.link-arrow:hover {
  gap: 10px;
}

.region-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.region-tag {
  font-size: 12px;
  padding: 5px 14px;
  background: var(--surface-elev);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-weight: 500;
}

/* ===== EXPERIENCIA ===== */
.exp__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.exp__number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 7rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.exp__left .section-sub {
  margin-bottom: 0;
}

.exp__right {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 12px;
}

.exp-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  transition: all var(--transition-fast);
}

.exp-item:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-sm);
}

.exp-item__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 5px;
  box-shadow: 0 0 0 4px var(--accent-10);
}

.exp-item strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 15px;
}

.exp-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== CONTACTO ===== */
.contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact__sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact__info-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact__info-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact__info-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition-fast);
}

.contact__info-value:hover {
  color: var(--accent-dark);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input, textarea, select {
  width: 100%;
  background: var(--surface-elev);
  border: 1.5px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--r-md);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  outline: none;
  transition: all var(--transition-fast);
}

input::placeholder, textarea::placeholder {
  color: var(--text-light);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-10);
}

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

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

select option {
  background: var(--surface);
  color: var(--text);
}

.form-success {
  text-align: center;
  padding: 56px 32px;
  background: var(--surface-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.form-success__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.form-success p {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  padding: 64px 0 0;
  color: var(--white);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand .nav__logo-text {
  color: var(--white);
}

.footer__tagline {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.6;
  margin-top: 12px;
}

.footer__col-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 16px;
}

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

.footer__col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--accent-light);
}

.footer__langs {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.3);
  margin-top: 8px;
}

.footer__langs a {
  color: rgba(255, 255, 255, 0.5);
}

.footer__langs a:hover {
  color: var(--accent-light);
}

.footer__bottom {
  text-align: center;
  padding: 20px 24px;
}

.footer__bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.25);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__visual {
    order: -1;
  }

  .pillars__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .exp__inner {
    gap: 48px;
  }

  .contact__inner {
    gap: 48px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .nav__links, .nav__actions {
    display: none;
  }

  .nav__burger {
    display: flex;
    margin-left: auto;
  }

  .hero {
    padding-top: calc(var(--nav-h) + 48px);
    padding-bottom: 48px;
  }

  .hero__h {
    font-size: clamp(32px, 8vw, 48px);
  }

  .stats-bar__inner {
    grid-template-columns: 1fr 1fr;
  }

  .stat {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding: 24px 16px;
  }

  .stat:nth-child(2) {
    border-right: none;
  }

  .stat:nth-child(3), .stat:nth-child(4) {
    border-bottom: none;
  }

  .pillars__grid {
    grid-template-columns: 1fr;
  }

  .products__grid {
    grid-template-columns: 1fr;
  }

  .tech__grid {
    grid-template-columns: 1fr;
  }

  .model__grid {
    grid-template-columns: 1fr;
  }

  .model-card--wide {
    grid-column: 1;
  }

  .exp__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .exp__number {
    font-size: 5rem;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__ctas .btn-primary,
  .hero__ctas .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .stats-bar__inner {
    grid-template-columns: 1fr;
  }

  .stat {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }

  .stat:last-child {
    border-bottom: none;
  }

  .section-h {
    font-size: 26px;
  }
}