/* ═══════════════════════════════════════════════════════
   RVA Servicios Generales — styles.css
   ═══════════════════════════════════════════════════════ */

:root {
  --blue-400: #60a5fa;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --dark-900: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
}

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

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

body { font-family: 'Inter', sans-serif; overflow-x: hidden; }

/* ─── LAYOUT ─── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 6rem 0; }

/* ─── LOADER ─── */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--dark-900);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s ease, visibility .5s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-inner { text-align: center; }

.loader-logo {
  font-size: 3rem; font-weight: 900; color: var(--blue-600);
  letter-spacing: 0.2em;
  animation: pulse 1.2s ease-in-out infinite alternate;
}
.loader-bar {
  width: 200px; height: 3px; background: var(--dark-700);
  border-radius: 99px; margin: 1.5rem auto 1rem;
  overflow: hidden;
}
.loader-fill {
  height: 100%; width: 0; background: var(--blue-600);
  border-radius: 99px;
  animation: load 1.8s ease forwards;
}
.loader-sub { color: var(--gray-400); font-size: .75rem; letter-spacing: .1em; }

@keyframes load { 0%{width:0} 100%{width:100%} }
@keyframes pulse { from{opacity:.6} to{opacity:1} }

/* ─── HEADER ─── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: transparent;
  transition: background .3s, box-shadow .3s, padding .3s;
  padding: 0;
}
#header.scrolled {
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.1);
}
/* Nav links oscuros sobre header blanco */
#header.scrolled .nav-link {
  color: #334155;
}
#header.scrolled .nav-link:hover {
  color: var(--blue-600);
}
#header.scrolled .mobile-link {
  color: #334155;
}

.header-container {
  max-width: 1280px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}

/* Logo */
.logo-wrap { display: flex; align-items: center; text-decoration: none; }

/* Hero: logo blanco (invertido) sobre fondo oscuro */
.header-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter .3s;
}
/* Al hacer scroll: header blanco → logo en sus colores naturales */
#header.scrolled .header-logo {
  filter: none;
}

/* Footer: logo blanco semitransparente */
.footer-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: .85;
}

/* Nav desktop */
.nav-desktop { display: flex; gap: 2rem; }
.nav-link {
  color: rgba(255,255,255,.8); font-size: .9rem; font-weight: 500;
  text-decoration: none; position: relative; padding-bottom: 4px;
  transition: color .2s;
}
.nav-link::after {
  content:''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--blue-400);
  transition: width .3s;
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }

/* CTA button */
.btn-cta {
  background: var(--blue-600); color: #fff;
  padding: .6rem 1.25rem; border-radius: 8px;
  font-size: .85rem; font-weight: 600; text-decoration: none;
  transition: background .2s, transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-cta:hover { background: var(--blue-700); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,.4); }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 1rem; }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: flex; flex-direction: column; gap: .5rem;
  padding: 0 1.5rem;
  max-height: 0; overflow: hidden;
  background: rgba(15,23,42,.98);
  transition: max-height .4s ease, padding .4s ease;
}
.mobile-menu.open { max-height: 400px; padding: 1rem 1.5rem 1.5rem; }
.mobile-link {
  color: rgba(255,255,255,.8); text-decoration: none;
  font-size: .95rem; font-weight: 500; padding: .5rem 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: color .2s;
}
.mobile-link:hover { color: var(--blue-400); }

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../img/hero.avif');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  /* Fallback mientras carga */
  background-color: #0b1a2e;
}
.hero-overlay {
  position: absolute; inset: 0;
  /* Degradado izquierda oscuro para legibilidad del texto, derecha más transparente */
  background: linear-gradient(
    to right,
    rgba(8, 18, 36, 0.58) 0%,
    rgba(8, 18, 36, 0.38) 50%,
    rgba(8, 18, 36, 0.08) 100%
  );
}

.hero-content {
  position: relative; z-index: 10;
  max-width: 1280px; margin: 0 auto;
  padding: 8rem 1.5rem 4rem;
  max-width: 680px;
  width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(37,99,235,.15); border: 1px solid rgba(37,99,235,.3);
  color: var(--blue-400); font-size: .8rem; font-weight: 600;
  padding: .4rem 1rem; border-radius: 99px;
  margin-bottom: 1.5rem; letter-spacing: .05em;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-400);
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900; color: #fff;
  line-height: 1.1; letter-spacing: -.02em;
  margin-bottom: 1.5rem;
  animation: fadeUp .8s ease both;
  text-shadow: 0 2px 16px rgba(0,0,0,.55), 0 1px 4px rgba(0,0,0,.4);
}
.hero-subtitle {
  font-size: 1.1rem; color: rgba(255,255,255,.92);
  line-height: 1.7; margin-bottom: 1rem;
  animation: fadeUp .8s .15s ease both;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}
.hero-support {
  font-size: .9rem; color: rgba(255,255,255,.72);
  line-height: 1.6;
  animation: fadeUp .8s .25s ease both;
  text-shadow: 0 1px 6px rgba(0,0,0,.45);
}
.hero-btns {
  display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.5rem;
  animation: fadeUp .8s .35s ease both;
}
.btn-hero-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--blue-600); color: #fff;
  padding: .9rem 1.75rem; border-radius: 10px;
  font-weight: 700; font-size: .95rem; text-decoration: none;
  transition: background .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 4px 24px rgba(37,99,235,.4);
}
.btn-hero-primary:hover { background: var(--blue-700); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(37,99,235,.5); }
.btn-hero-outline {
  display: inline-flex; align-items: center;
  border: 2px solid rgba(255,255,255,.3); color: #fff;
  padding: .9rem 1.75rem; border-radius: 10px;
  font-weight: 600; font-size: .95rem; text-decoration: none;
  transition: border-color .2s, background .2s;
}
.btn-hero-outline:hover { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.07); }

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 10; animation: bounce 2s ease-in-out infinite;
}
.scroll-mouse {
  width: 24px; height: 38px; border: 2px solid rgba(255,255,255,.4);
  border-radius: 12px; display: flex; justify-content: center; padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 8px; background: rgba(255,255,255,.6);
  border-radius: 2px; animation: scrollWheel 2s ease-in-out infinite;
}
@keyframes scrollWheel { 0%,100%{transform:translateY(0);opacity:1} 50%{transform:translateY(6px);opacity:.3} }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }

/* ─── SECTION HEADINGS ─── */
.tag {
  display: inline-block;
  background: rgba(37,99,235,.08); color: var(--blue-600);
  border: 1px solid rgba(37,99,235,.2);
  font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  padding: .35rem .9rem; border-radius: 99px; text-transform: uppercase;
  margin-bottom: 1rem;
}
.tag-dark {
  display: inline-block;
  background: rgba(96,165,250,.1); color: var(--blue-400);
  border: 1px solid rgba(96,165,250,.2);
  font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  padding: .35rem .9rem; border-radius: 99px; text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800; color: #0f172a; line-height: 1.2;
  letter-spacing: -.02em; margin-bottom: 1rem;
}
.section-title-dark {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800; color: #fff; line-height: 1.2;
  letter-spacing: -.02em; margin-bottom: 1rem;
}
.section-desc { color: var(--gray-500); line-height: 1.75; font-size: 1rem; }
.section-desc-dark { color: var(--gray-400); line-height: 1.75; font-size: 1rem; margin-bottom: 0; }

/* ─── NOSOTROS ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
/* Stats con iconos grandes */
.stats-icons {
  display: flex; gap: 2rem;
  margin-top: 2.5rem; flex-wrap: wrap;
}
.stat-icon-item {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; flex: 1; min-width: 100px;
}
.stat-svg {
  width: 80px; height: 80px;
  margin-bottom: .9rem;
  transition: transform .3s;
}
.stat-icon-item:hover .stat-svg { transform: translateY(-4px); }
.stat-svg svg { width: 100%; height: 100%; }
.stat-icon-num {
  font-size: 1.6rem; font-weight: 900;
  color: var(--blue-600); line-height: 1;
  margin-bottom: .35rem;
}
.stat-icon-label {
  font-size: .68rem; font-weight: 700;
  color: #475569; letter-spacing: .08em;
  text-transform: uppercase; line-height: 1.4;
}

.about-visual {
  position: relative; height: 420px;
}
.about-img-a {
  position: absolute; top: 0; right: 0; width: 75%; height: 75%;
  border-radius: 16px;
  background: url('../img/nosotros_1.avif') center/cover no-repeat;
  box-shadow: 0 20px 60px rgba(37,99,235,.2);
}
.about-img-b {
  position: absolute; bottom: 0; left: 0; width: 55%; height: 55%;
  border-radius: 16px;
  background: url('../img/nosotros_2.avif') center/cover no-repeat;
  border: 4px solid #fff;
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
}
.about-badge {
  position: absolute; bottom: 30%; right: -1rem;
  background: #fff; border-radius: 12px; padding: 1rem 1.25rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  display: flex; flex-direction: column; align-items: center; gap: .25rem;
  border: 1px solid #e2e8f0;
}
.about-badge-num { font-size: 1.75rem; font-weight: 900; color: var(--blue-600); line-height: 1; }
.about-badge-txt { font-size: .7rem; color: var(--gray-500); text-align: center; font-weight: 500; }

/* ─── BRANDS ─── */
.brands-section { background: var(--dark-900); padding: 5rem 0; overflow: hidden; }
.brands-carousel { margin-top: 3rem; overflow: hidden; position: relative; }
.brands-carousel::before,
.brands-carousel::after {
  content: ''; position: absolute; top: 0; width: 100px; height: 100%; z-index: 2;
}
.brands-carousel::before { left: 0; background: linear-gradient(to right, var(--dark-900), transparent); }
.brands-carousel::after  { right: 0; background: linear-gradient(to left, var(--dark-900), transparent); }

.brands-track {
  display: flex; gap: 2rem;
  animation: marquee 20s linear infinite;
  width: max-content;
}
.brands-track:hover { animation-play-state: paused; }

.brand-item {
  background: var(--dark-800); border: 1px solid var(--dark-700);
  border-radius: 10px; padding: 1.25rem 2.5rem;
  color: var(--gray-400); font-size: 1rem; font-weight: 700;
  letter-spacing: .05em; white-space: nowrap;
  transition: color .2s, border-color .2s, filter .2s;
  min-width: 160px; text-align: center;
  display: flex; align-items: center; justify-content: center;
}
.brand-item:hover { color: var(--blue-400); border-color: rgba(96,165,250,.3); }
.brand-logo {
  height: 32px; width: auto; max-width: 130px;
  object-fit: contain;
  transition: opacity .2s;
  opacity: .9;
}
.brand-logo[alt="Secutron"] { height: 48px; max-width: 160px; }
.brand-item:hover .brand-logo { opacity: 1; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── SERVICIOS ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.svc-card {
  background: linear-gradient(145deg, #f8faff 0%, #eef2ff 100%);
  border: 1px solid rgba(37,99,235,.1);
  border-radius: 20px; padding: 2.25rem 2rem;
  transition: transform .3s, box-shadow .3s, border-color .3s, background .3s;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.svc-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c, #2563eb), transparent);
  opacity: 0; transition: opacity .3s;
}
.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(37,99,235,.12);
  border-color: rgba(37,99,235,.25);
  background: linear-gradient(145deg, #f0f5ff 0%, #e5edff 100%);
}
.svc-card:hover::before { opacity: 1; }

.svc-icon {
  width: 72px; height: 72px; border-radius: 18px;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(37,99,235,.15);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(37,99,235,.1);
  transition: transform .3s, box-shadow .3s;
}
.svc-card:hover .svc-icon {
  transform: scale(1.08);
  box-shadow: 0 8px 20px rgba(37,99,235,.18);
}
.svc-icon svg { width: 38px; height: 38px; stroke: var(--c, #2563eb); }
.svc-title { font-size: 1.05rem; font-weight: 700; color: #0f172a; margin-bottom: .75rem; }
.svc-desc { font-size: .9rem; color: var(--gray-500); line-height: 1.65; flex: 1; margin-bottom: 1.5rem; }
.svc-btn {
  display: inline-flex; align-items: center;
  color: var(--blue-600); font-size: .875rem; font-weight: 600;
  text-decoration: none; transition: gap .2s;
  margin-top: auto;
}
.svc-btn:hover { gap: .25rem; }

/* ─── CLIENTES ─── */
.clients-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1.75rem; }
.client-card {
  border-radius: 20px; overflow: hidden;
  border: 1px solid #e2e8f0;
  background: #fff;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  display: flex; flex-direction: column;
}
.client-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(37,99,235,.1); border-color: rgba(37,99,235,.2); }

/* Área del logo de cliente */
.client-logo-area {
  height: 170px;
  background: #fff;
  border-bottom: 1px solid #f1f5f9;
  display: flex; align-items: center; justify-content: center;
  padding: 1.75rem 2rem;
  position: relative;
  overflow: hidden;
}
.client-logo-area::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(145deg, rgba(239,246,255,.5), rgba(224,237,255,.3));
  pointer-events: none;
}
.client-logo-img {
  max-height: 100px; max-width: 80%;
  width: auto; object-fit: contain;
  transition: transform .3s, filter .3s;
  position: relative; z-index: 1;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.08));
}
.client-card:hover .client-logo-img {
  transform: scale(1.05);
  filter: drop-shadow(0 4px 16px rgba(37,99,235,.15));
}

.client-body { padding: 1.5rem; }
.client-name { font-weight: 700; color: #0f172a; margin-bottom: .3rem; font-size: 1rem; }
.client-sector { font-size: .82rem; color: var(--gray-500); font-weight: 500; }

/* ─── PROCESO ─── */
.process-list { display: flex; flex-direction: column; gap: 0; }
.process-item {
  display: flex; gap: 2rem; align-items: flex-start;
  padding: 2rem 0; position: relative;
}
.process-item:not(:last-child)::after {
  content: ''; position: absolute;
  left: 1.85rem; top: 5rem;
  width: 2px; height: calc(100% - 2rem);
  background: linear-gradient(to bottom, var(--blue-700), transparent);
}
.process-num {
  font-size: 2.5rem; font-weight: 900; color: var(--blue-700);
  opacity: .4; min-width: 4rem; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.process-body { flex: 1; }
.process-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: .5rem; }
.process-desc { font-size: .9rem; color: var(--gray-400); line-height: 1.65; }

/* ─── CONTACTO ─── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 2rem; }
.ci-row { display: flex; gap: 1rem; align-items: flex-start; }
.ci-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(37,99,235,.08); border: 1px solid rgba(37,99,235,.15);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ci-icon svg { width: 20px; height: 20px; stroke: var(--blue-600); }
.ci-label { font-size: .75rem; color: var(--gray-400); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: .25rem; }
.ci-value { font-size: .9rem; color: #0f172a; font-weight: 500; line-height: 1.5; }

/* Form card */
.form-card {
  background: #fff; border: 1px solid #e2e8f0;
  border-radius: 20px; padding: 2.5rem;
  box-shadow: 0 4px 32px rgba(0,0,0,.06);
}
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
}
.fg { display: flex; flex-direction: column; gap: .375rem; }
.flabel { font-size: .8rem; font-weight: 600; color: #374151; }
.finput {
  border: 1px solid #d1d5db; border-radius: 8px;
  padding: .7rem .9rem; font-size: .9rem; color: #111827;
  font-family: inherit; width: 100%;
  transition: border-color .2s, box-shadow .2s;
  background: #fff;
}
.finput:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.finput.error { border-color: #ef4444; }
.ferror { font-size: .75rem; color: #ef4444; min-height: 1rem; }

.btn-submit {
  width: 100%; background: var(--blue-600); color: #fff;
  border: none; border-radius: 10px; padding: .95rem;
  font-size: 1rem; font-weight: 700; font-family: inherit;
  cursor: pointer; transition: background .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 4px 16px rgba(37,99,235,.3);
}
.btn-submit:hover { background: var(--blue-700); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(37,99,235,.4); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.f-ok {
  margin-top: 1rem; padding: 1rem; border-radius: 8px;
  background: rgba(16,185,129,.08); border: 1px solid rgba(16,185,129,.2);
  color: #065f46; font-size: .875rem; font-weight: 500;
}
.f-err {
  margin-top: 1rem; padding: 1rem; border-radius: 8px;
  background: rgba(239,68,68,.08); border: 1px solid rgba(239,68,68,.2);
  color: #991b1b; font-size: .875rem; font-weight: 500;
}

/* ─── FOOTER ─── */
.footer { background: var(--dark-900); padding: 5rem 0 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem;
  padding-bottom: 4rem;
}
.footer-lema { color: var(--gray-400); font-style: italic; font-size: .875rem; margin-bottom: 1.5rem; }
.footer-contact { display: flex; flex-direction: column; gap: .35rem; font-size: .85rem; color: var(--gray-400); }
.footer-head { color: #fff; font-weight: 700; margin-bottom: 1.25rem; font-size: .95rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: .75rem; }
.footer-links a { color: var(--gray-400); text-decoration: none; font-size: .875rem; transition: color .2s; }
.footer-links a:hover { color: var(--blue-400); }
.footer-copy {
  border-top: 1px solid var(--dark-700);
  padding: 1.5rem; text-align: center;
  color: var(--gray-500); font-size: .8rem;
}

/* ─── BACK TO TOP ─── */
#back-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 90;
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--blue-600); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 4px 16px rgba(37,99,235,.4);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s, visibility .3s, transform .3s, background .2s;
}
#back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-top:hover { background: var(--blue-700); }

/* ─── REVEAL ANIMATION ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .about-grid    { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual  { display: none; }
  .contact-grid  { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .nav-desktop   { display: none; }
  .hamburger     { display: flex; }
  .btn-cta       { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .stats-icons { gap: 1rem; }
  .stat-svg { width: 64px; height: 64px; }
  .hero-btns { flex-direction: column; }
  .btn-hero-primary, .btn-hero-outline { justify-content: center; }
}
@media (max-width: 480px) {
  .header-container { padding: 0 1rem; }
  .hero-content { padding: 7rem 1rem 3rem; }
  .container { padding: 0 1rem; }
  .form-card { padding: 1.5rem; }
}