/* ============================================================
   INSER E.A.S. — Soluciones Integrales de Ingeniería
   Paleta y tipografía según Manual de Marca (Opción A)
   ============================================================ */

:root {
  --navy: #0f2e5f;
  --navy-900: #0a2148;
  --navy-700: #1a4180;
  --navy-050: #eef3fa;
  --green: #344e49;
  --green-dark: #27403b;
  --stone: #ebe9e8;
  --stone-050: #f6f5f4;
  --gray: #4f5358;
  --ink: #16202e;
  --white: #ffffff;
  --wa: #25d366;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(10, 33, 72, 0.10);
  --shadow-lg: 0 18px 50px rgba(10, 33, 72, 0.16);
  --font: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  --header-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

.container {
  width: min(1160px, 92%);
  margin-inline: auto;
}

section { position: relative; overflow: hidden; }

.section-pad { padding: 96px 0; }

/* ---------- Decorative wave lines (como el brochure) ---------- */
.waves {
  position: absolute;
  width: 560px;
  max-width: 60vw;
  opacity: 0.35;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.waves.tl { top: -180px; left: -160px; }
.waves.tr { top: -180px; right: -160px; transform: scaleX(-1); }
.waves.bl { bottom: -180px; left: -160px; transform: scaleY(-1); }
.waves.br { bottom: -180px; right: -160px; transform: scale(-1); }
.waves.soft { opacity: 0.18; }

section > .container { position: relative; z-index: 1; }

/* ---------- Encabezados de sección ---------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy-700);
  margin-bottom: 14px;
}
.kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}
.on-dark .kicker { color: #a9c3ec; }

.section-title {
  font-size: clamp(30px, 4.2vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--navy);
  padding-left: 18px;
  border-left: 5px solid var(--navy);
  margin-bottom: 18px;
}
.on-dark .section-title { color: var(--white); border-color: var(--white); }

.section-lead {
  max-width: 640px;
  color: var(--gray);
  font-size: 17px;
}
.on-dark .section-lead { color: #c9d6ea; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15.5px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 19px; height: 19px; flex: none; }

.btn-primary { background: var(--navy); color: var(--white); box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--navy-700); box-shadow: var(--shadow-lg); }

.btn-light { background: var(--white); color: var(--navy); box-shadow: var(--shadow); }
.btn-light:hover { background: var(--stone); }

.btn-outline { border-color: rgba(255, 255, 255, 0.55); color: var(--white); background: transparent; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--white); }

.btn-wa { background: var(--wa); color: #073b1e; }
.btn-wa:hover { background: #1fc25a; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  background: linear-gradient(180deg, rgba(10, 33, 72, 0.55), rgba(10, 33, 72, 0));
}
.site-header.scrolled {
  background: rgba(10, 33, 72, 0.96);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px rgba(6, 18, 40, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 30px; width: auto; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
}
.main-nav a {
  display: block;
  padding: 8px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}
.main-nav a:hover { background: rgba(255, 255, 255, 0.12); color: var(--white); }
.main-nav a.active { background: rgba(255, 255, 255, 0.16); color: var(--white); }

.header-cta { display: inline-flex; align-items: center; gap: 10px; }
.header-cta .btn { padding: 10px 20px; font-size: 14px; white-space: nowrap; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--white);
  cursor: pointer;
  padding: 8px;
}
.nav-toggle svg { width: 28px; height: 28px; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background:
    radial-gradient(1000px 520px at 85% -10%, rgba(46, 90, 165, 0.55), transparent 60%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy) 55%, #123a75 100%);
  color: var(--white);
  padding: calc(var(--header-h) + 84px) 0 110px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7fd6a2;
  box-shadow: 0 0 0 4px rgba(127, 214, 162, 0.25);
}

.hero h1 {
  font-size: clamp(38px, 5.6vw, 62px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}
.hero h1 .accent { color: #9fc1f5; }

.hero-lead {
  font-size: 18px;
  color: #cfdbee;
  max-width: 560px;
  margin-bottom: 34px;
}

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

.hero-areas { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-areas span {
  font-size: 13.5px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #dbe6f5;
}

/* Tarjeta lateral del hero */
.hero-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  padding: 34px 32px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-lg);
}
.hero-card h3 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #a9c3ec;
  margin-bottom: 20px;
}
.hero-card ul { display: grid; gap: 14px; }
.hero-card li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: #e6edf8; }
.hero-card li svg { width: 20px; height: 20px; flex: none; margin-top: 2px; color: #7fd6a2; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 74px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.stat b {
  display: block;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}
.stat span { font-size: 13.5px; color: #b7c8e2; }

/* ============================================================
   Nosotros
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: start;
}
.about-text p { color: var(--gray); margin-bottom: 18px; max-width: 60ch; }
.about-text p b { color: var(--navy); }

.value-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.value-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: var(--navy-050);
  color: var(--navy);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}
.value-tags svg { width: 16px; height: 16px; }

.mv-cards { display: grid; gap: 20px; }
.mv-card {
  background: var(--white);
  border: 1px solid #e3e1df;
  border-left: 5px solid var(--navy);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
}
.mv-card.green { border-left-color: var(--green); }
.mv-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.mv-card h3 svg { width: 22px; height: 22px; color: var(--green); }
.mv-card p { color: var(--gray); font-size: 15.5px; }

/* Propuesta de valor */
.value-props {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.vp {
  background: var(--stone-050);
  border: 1px solid #e6e4e2;
  border-radius: var(--radius);
  padding: 28px;
}
.vp .vp-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--white);
  margin-bottom: 16px;
}
.vp .vp-icon svg { width: 24px; height: 24px; }
.vp h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.vp p { font-size: 15px; color: var(--gray); }

/* ============================================================
   Servicios
   ============================================================ */
.bg-stone { background: var(--stone); }

.services-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.service {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 26px;
  border: 1px solid rgba(15, 46, 95, 0.06);
  box-shadow: 0 4px 16px rgba(10, 33, 72, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.service:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.service .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--navy-050);
  color: var(--navy);
  margin-bottom: 18px;
  transition: background 0.25s ease, color 0.25s ease;
}
.service:hover .icon { background: var(--navy); color: var(--white); }
.service .icon svg { width: 26px; height: 26px; }
.service h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 6px; line-height: 1.3; }
.service p { font-size: 14.5px; color: var(--gray); }

/* ============================================================
   Modalidades
   ============================================================ */
.bg-navy {
  background:
    radial-gradient(900px 480px at 10% 110%, rgba(46, 90, 165, 0.5), transparent 60%),
    linear-gradient(200deg, var(--navy-900), var(--navy));
  color: var(--white);
}

.modes-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.mode {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 32px 30px;
  transition: background 0.25s ease, transform 0.25s ease;
}
.mode:hover { background: rgba(255, 255, 255, 0.11); transform: translateY(-4px); }
.mode .num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #8fb2e8;
  display: block;
  margin-bottom: 14px;
}
.mode h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; line-height: 1.3; }
.mode p { font-size: 15px; color: #c9d6ea; }

/* ============================================================
   Proceso
   ============================================================ */
.steps {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
}
.step { position: relative; padding-top: 26px; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  background: var(--navy);
  border-radius: 10px;
  padding: 6px 12px;
  line-height: 1;
}
.step::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 64px;
  right: 8px;
  height: 2px;
  background: linear-gradient(90deg, rgba(15, 46, 95, 0.35), rgba(15, 46, 95, 0.08));
}
.step:last-child::after { display: none; }
.step h3 { font-size: 16.5px; font-weight: 700; color: var(--navy); margin: 18px 0 6px; line-height: 1.3; }
.step p { font-size: 14.5px; color: var(--gray); }

/* Banda de garantía */
.guarantee {
  margin-top: 80px;
  background: var(--green);
  color: var(--white);
  border-radius: 20px;
  padding: 38px 44px;
  display: flex;
  align-items: center;
  gap: 26px;
  box-shadow: var(--shadow-lg);
}
.guarantee svg { width: 52px; height: 52px; flex: none; color: #bfe3cf; }
.guarantee h3 { font-size: 21px; font-weight: 700; margin-bottom: 6px; }
.guarantee p { color: #d9e8df; font-size: 15px; max-width: 70ch; }

/* ============================================================
   Clientes y aliados
   ============================================================ */
.clients-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
}
.client-card {
  background: var(--white);
  border: 1px solid #e4e2e0;
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(10, 33, 72, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.client-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.client-card .mono {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--white);
  background: var(--navy);
}
.client-card:nth-child(2n) .mono { background: var(--green); }
.client-card:nth-child(3n) .mono { background: var(--navy-700); }
.client-card h3 { font-size: 15.5px; font-weight: 700; color: var(--navy); line-height: 1.3; }
.client-card span { font-size: 13px; color: var(--gray); }

.allies-title {
  margin-top: 64px;
  margin-bottom: 24px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  padding: 6px 0;
}
.marquee + .marquee { margin-top: 14px; }
.marquee-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: marquee 42s linear infinite;
}
.marquee.reverse .marquee-track { animation-direction: reverse; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.ally {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1px solid #e4e2e0;
  border-radius: 999px;
  padding: 9px 20px 9px 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray);
  white-space: nowrap;
}
.ally .dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--white);
  background: var(--gray);
  flex: none;
}
.ally:nth-child(3n) .dot { background: var(--navy); }
.ally:nth-child(3n + 1) .dot { background: var(--green); }

/* ============================================================
   Contacto
   ============================================================ */
.contact-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: start;
}

.contact-cards { display: grid; gap: 18px; }
.contact-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 24px 26px;
  transition: background 0.25s ease;
}
.contact-card:hover { background: rgba(255, 255, 255, 0.11); }
.contact-card .cc-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  flex: none;
}
.contact-card .cc-icon svg { width: 23px; height: 23px; }
.contact-card h3 { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 3px; }
.contact-card a, .contact-card p { color: #c9d6ea; font-size: 15px; }
.contact-card a:hover { color: var(--white); text-decoration: underline; }

.contact-form {
  background: var(--white);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow-lg);
  color: var(--ink);
}
.contact-form h3 { font-size: 20px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.contact-form > p { font-size: 14.5px; color: var(--gray); margin-bottom: 22px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 16px; /* ≥16px evita el auto-zoom de iOS Safari al enfocar */
  color: var(--ink);
  background: var(--stone-050);
  border: 1.5px solid #e2e0de;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--navy);
  background: var(--white);
}
.contact-form .btn { width: 100%; margin-top: 8px; }
.form-hint { margin-top: 12px; font-size: 12.5px; color: var(--gray); text-align: center; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--navy-900);
  color: #b7c8e2;
  padding: 64px 0 0;
  position: relative;
  overflow: hidden;
}
.footer-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 46px;
}
.site-footer img.f-logo { height: 34px; width: auto; margin-bottom: 18px; }
.site-footer p { font-size: 14.5px; max-width: 40ch; }
.site-footer h4 {
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.site-footer li { margin-bottom: 9px; }
.site-footer li a { font-size: 14.5px; transition: color 0.2s ease; }
.site-footer li a:hover { color: var(--white); }
.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--wa);
  color: #073b1e;
  box-shadow: 0 10px 26px rgba(7, 59, 30, 0.35);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* ---------- Animación de aparición ----------
   La clase reveal-ready la añade main.js: si el script no carga,
   el contenido queda visible (mejora progresiva). */
html.reveal-ready .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
html.reveal-ready .reveal.in { opacity: 1; transform: none; }
html.reveal-ready .reveal.d1 { transition-delay: 0.08s; }
html.reveal-ready .reveal.d2 { transition-delay: 0.16s; }
html.reveal-ready .reveal.d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.reveal-ready .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-card { max-width: 560px; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .value-props { grid-template-columns: 1fr 1fr; }
  .modes-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 28px 18px; }
  .step::after { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1140px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(10, 33, 72, 0.98);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 18px 4vw 26px;
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
    box-shadow: 0 20px 40px rgba(6, 18, 40, 0.4);
  }
  body.nav-open .main-nav { transform: none; opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { padding: 13px 16px; font-size: 16px; }
  .nav-toggle { display: block; }
}

@media (max-width: 560px) {
  .header-cta .btn-light { display: none; }
}

@media (max-width: 640px) {
  .section-pad { padding: 72px 0; }
  .hero { padding-bottom: 80px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px 14px; margin-top: 56px; }
  .value-props { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .guarantee { flex-direction: column; text-align: center; padding: 32px 26px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 26px 22px; }
}