/* ═══════════════════════════════════════════════
   ROBÓTICA POTOSINA · stylesheet
   ═══════════════════════════════════════════════ */

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

:root {
  --navy:      #0C2A5C;
  --navy-mid:  #163874;
  --navy-deep: #081B3D;
  --gold:      #C5A23A;
  --gold-light:#D4B55C;
  --gold-pale: #F7F0DC;
  --white:     #FFFFFF;
  --off-white: #F8F7F4;
  --gray-100:  #F2F1EE;
  --gray-200:  #E4E2DC;
  --gray-400:  #9E9C96;
  --gray-600:  #5E5D59;
  --gray-900:  #1A1916;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --transition: 0.22s ease;
  --shadow-card: 0 2px 12px rgba(12,42,92,0.08);
  --shadow-hover: 0 8px 32px rgba(12,42,92,0.14);
}

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

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 600;
  color: var(--gray-900);
}
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.1rem; }
h4 { font-size: 1rem; }
p  { color: var(--gray-600); line-height: 1.75; }
em { font-style: normal; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-lg { padding: 13px 28px; font-size: 0.95rem; }
.btn-gold {
  background: var(--gold);
  color: var(--navy-deep);
}
.btn-gold:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(197,162,58,0.35); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-mid); transform: translateY(-1px); }
.btn-outline-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.45);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); }
.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--gray-200);
}
.btn-outline-dark:hover { border-color: var(--navy); background: var(--off-white); }

/* ─── BADGES ─── */
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: var(--font-display);
}
.badge-gold { background: var(--gold-pale); color: #7A5E10; }
.badge-blue { background: #E5EEF8; color: #0C3373; }
.badge-green { background: #E6F4EA; color: #1E6E35; }

/* ─── SECTION HELPERS ─── */
.section { padding: 80px 0; }
.section-alt { background: var(--off-white); }
.section-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold);
  margin-bottom: 10px;
}
.section-sub {
  color: var(--gray-400);
  font-size: 1rem;
  max-width: 540px;
  margin-top: 8px;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 20px;
}
.section-header h2 { margin-bottom: 0; }

/* ─── ANIMATIONS ─── */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}
[data-delay="80"]  { transition-delay: 80ms; }
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="160"] { transition-delay: 160ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="240"] { transition-delay: 240ms; }

/* ════════════════════════════════
   NAV
════════════════════════════════ */
.nav-wrapper {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--navy-deep);
  transition: box-shadow var(--transition);
}
.nav-wrapper.scrolled { box-shadow: 0 2px 24px rgba(8,27,61,0.4); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  gap: 20px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.logo-mark {
  width: 34px; height: 34px;
  background: var(--gold);
  color: var(--navy-deep);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.logo-text { font-family: var(--font-display); color: var(--white); font-size: 0.95rem; font-weight: 400; }
.logo-text strong { color: var(--gold-light); font-weight: 700; }
.nav-links {
  display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center;
}
.nav-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  font-family: var(--font-display);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.07); }
.nav-cta { flex-shrink: 0; }
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  flex-direction: column; gap: 4px;
  padding: 12px 24px 20px;
  background: var(--navy-deep);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu a {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-display);
  font-size: 0.9rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu.open { display: flex; }

/* ════════════════════════════════
   HERO
════════════════════════════════ */
.hero {
  background: linear-gradient(145deg, var(--navy-deep) 0%, var(--navy) 55%, #1C4A96 100%);
  padding: 140px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.tag {
  display: inline-block;
  background: rgba(197,162,58,0.15);
  border: 1px solid rgba(197,162,58,0.4);
  color: var(--gold-light);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 { color: var(--white); margin-bottom: 18px; }
.hero h1 em { color: var(--gold-light); }
.hero > .container > .hero-grid > .hero-copy > p { color: rgba(255,255,255,0.68); margin-bottom: 30px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* HERO CARD */
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 28px;
  backdrop-filter: blur(8px);
}
.hero-card-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold-light);
  margin-bottom: 18px;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.stat-box {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 5px;
}
.stat-num.gold { color: var(--gold-light); }
.stat-lbl {
  display: block;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.3;
}
.cert-banner {
  background: rgba(197,162,58,0.1);
  border: 1px solid rgba(197,162,58,0.25);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
}
.cert-check {
  width: 28px; height: 28px; flex-shrink: 0;
  background: var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-deep);
}
.cert-banner p { font-size: 0.8rem; color: rgba(255,255,255,0.75); margin: 0; line-height: 1.4; }

/* TRUST BAR */
.trust-bar {
  background: var(--navy-deep);
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.trust-inner {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 8px 28px;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.78rem;
  font-family: var(--font-display);
  font-weight: 500;
  white-space: nowrap;
}
.trust-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
}

/* ════════════════════════════════
   SERVICES
════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex; flex-direction: column;
  border-top: 3px solid transparent;
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}
.service-card:hover {
  border-top-color: var(--gold);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.service-card.featured { border-top-color: var(--navy); }
.service-card.featured:hover { border-top-color: var(--gold); }
.svc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.svc-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: #EBF0F9;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy);
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 0.88rem; flex: 1; }
.svc-link {
  display: inline-flex; align-items: center;
  margin-top: 16px;
  font-size: 0.82rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--navy);
  transition: gap var(--transition), color var(--transition);
  gap: 4px;
}
.svc-link:hover { color: var(--gold); gap: 8px; }

/* ════════════════════════════════
   AUDIENCES
════════════════════════════════ */
.audiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.audience-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px 24px;
  display: flex; flex-direction: column;
  transition: box-shadow var(--transition);
  box-shadow: var(--shadow-card);
}
.audience-card:hover { box-shadow: var(--shadow-hover); }
.audience-card--featured {
  background: var(--navy);
  border-color: var(--navy);
}
.audience-card--featured h3, .audience-card--featured p, .audience-card--featured .audience-num { color: var(--white); }
.audience-card--featured .audience-icon { color: var(--gold-light); background: rgba(255,255,255,0.1); }
.audience-card--featured .audience-list li { color: rgba(255,255,255,0.75); border-color: rgba(255,255,255,0.1); }
.audience-card--featured .audience-list li::before { color: var(--gold-light); }
.audience-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gray-200);
  line-height: 1;
  margin-bottom: 12px;
}
.audience-icon {
  width: 48px; height: 48px;
  background: #EBF0F9;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy);
  margin-bottom: 16px;
}
.audience-card h3 { margin-bottom: 8px; }
.audience-card p { font-size: 0.87rem; margin-bottom: 18px; }
.audience-list { flex: 1; margin-bottom: 22px; }
.audience-list li {
  font-size: 0.83rem;
  color: var(--gray-600);
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex; align-items: center; gap: 8px;
}
.audience-list li::before { content: "→"; color: var(--gold); font-weight: 700; flex-shrink: 0; }

/* ════════════════════════════════
   ONLINE SECTION
════════════════════════════════ */
.online-section { background: var(--off-white); }
.online-card {
  background: var(--navy);
  border-radius: var(--radius-xl);
  padding: 52px 48px;
  position: relative;
  overflow: hidden;
}
.online-card::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: rgba(197,162,58,0.08);
  pointer-events: none;
}
.online-badge-wrap { margin-bottom: 24px; }
.online-coming {
  display: inline-block;
  background: rgba(197,162,58,0.18);
  border: 1px solid rgba(197,162,58,0.4);
  color: var(--gold-light);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 20px;
  text-transform: uppercase;
}
.online-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.online-copy h2 { color: var(--white); margin-bottom: 14px; }
.online-copy p { color: rgba(255,255,255,0.65); }
.online-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.otag {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.75);
  font-size: 0.78rem;
  font-family: var(--font-display);
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
}
.online-form-wrap {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.online-form-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}
.online-form { display: flex; flex-direction: column; gap: 10px; }
.online-form input {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: var(--white);
  font-size: 0.87rem;
  outline: none;
  transition: border-color var(--transition);
}
.online-form input::placeholder { color: rgba(255,255,255,0.4); }
.online-form input:focus { border-color: var(--gold); }
.online-form .btn { width: 100%; justify-content: center; }
.online-form-note { font-size: 0.78rem; color: var(--gold-light); margin-top: 8px; min-height: 18px; }
.online-benefits { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.ob-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
}
.ob-item svg { color: var(--gold); flex-shrink: 0; }

/* ════════════════════════════════
   WHY / NOSOTROS
════════════════════════════════ */
.why-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: start;
}
.why-left h2 { margin-bottom: 14px; }
.why-left p { margin-bottom: 28px; }
.credentials-stack { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.cred-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px;
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
}
.cred-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: #EBF0F9;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy);
}
.cred-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-900);
}
.cred-item span { font-size: 0.78rem; color: var(--gray-400); }

.why-right { display: flex; flex-direction: column; gap: 0; }
.why-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 22px 0;
  border-bottom: 1px solid var(--gray-100);
}
.why-item:last-child { border-bottom: none; }
.why-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.55;
  flex-shrink: 0;
  line-height: 1;
  min-width: 36px;
}
.why-item h4 { margin-bottom: 6px; color: var(--gray-900); }
.why-item p { font-size: 0.87rem; }

/* ════════════════════════════════
   CTA BAND
════════════════════════════════ */
.cta-band {
  background: var(--navy);
  padding: 60px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-inner h2 { color: var(--white); max-width: 520px; }
.cta-inner p { color: rgba(255,255,255,0.6); margin-top: 8px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }

/* ════════════════════════════════
   FAQ
════════════════════════════════ */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}
.faq-left h2 { margin-bottom: 12px; }
.faq-left p { font-size: 0.9rem; }

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 0;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-900);
  background: none; border: none;
  text-align: left;
  transition: color var(--transition);
}
.faq-q:hover { color: var(--navy); }
.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
}
.faq-a.open {
  max-height: 400px;
  padding-bottom: 18px;
}
.faq-a p { font-size: 0.88rem; }

/* ════════════════════════════════
   CONTACT
════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 10px; }
.contact-info > p { margin-bottom: 28px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy);
  margin-top: 2px;
}
.contact-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
.contact-item a, .contact-item span {
  font-size: 0.87rem;
  color: var(--gray-900);
  display: block;
}
.contact-item a:hover { color: var(--navy); text-decoration: underline; }

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-card);
}
.contact-form h3 {
  font-size: 1.1rem;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-600);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 13px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.87rem;
  color: var(--gray-900);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(12,42,92,0.08);
}
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239E9C96' 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: 36px; }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 0.8rem; margin-top: 10px; min-height: 18px; color: var(--navy); }

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
.footer {
  background: var(--navy-deep);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-tagline {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  margin-top: 12px;
  line-height: 1.6;
}
.footer-cert {
  font-size: 0.73rem;
  color: var(--gold);
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 600;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold);
  margin-bottom: 14px;
}
.footer-col a, .footer-col span {
  display: block;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.wa-btn {
  display: inline-flex !important;
  align-items: center; gap: 6px;
  margin-top: 10px;
  background: #25D366;
  color: #fff !important;
  padding: 7px 14px !important;
  border-radius: var(--radius-md);
  font-size: 0.78rem !important;
  font-family: var(--font-display);
  font-weight: 600;
  transition: background var(--transition) !important;
}
.wa-btn:hover { background: #1DB954 !important; color: #fff !important; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 16px 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
}
.footer-bottom span { font-size: 0.75rem; color: rgba(255,255,255,0.3); }

/* ─── BACK TO TOP ─── */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 40px; height: 40px;
  background: var(--navy);
  color: var(--white);
  border: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(12,42,92,0.3);
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { background: var(--gold); transform: translateY(-2px); }

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-card { max-width: 500px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .online-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { padding: 110px 0 60px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .audiences-grid { grid-template-columns: 1fr; }
  .why-layout { gap: 32px; }
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .online-card { padding: 32px 24px; }
  .section-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .trust-inner { justify-content: flex-start; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }
}