/* ============================================================
   DA COSTA S.A.C. — dacostafluvial.com
   Hoja de estilos principal
   ============================================================ */

:root {
  --navy-950: #031628;
  --navy-900: #04203a;
  --navy-800: #00244e;
  --navy-700: #0d3a6b;
  --navy-100: #dce7f2;
  --orange: #f06520;
  --orange-dark: #d4520f;
  --orange-light: #ff870f;
  --orange-btn: #c84a00;   /* AA con texto blanco (≈4.6:1) */
  --orange-text: #b54708;  /* AA como texto sobre fondos claros (≈5.4:1) */
  --green-ok: #166534;
  --bg: #ffffff;
  --bg-soft: #f4f7fa;
  --text: #22303f;
  --text-soft: #5a6b7d;
  --line: #e3e9f0;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(4, 32, 58, .10);
  --shadow-lg: 0 24px 60px rgba(4, 32, 58, .16);
  --font-head: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

html, body { overflow-x: clip; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy-800); line-height: 1.2; }

.container { width: min(1180px, 92%); margin-inline: auto; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.7rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; font-family: var(--font-head);
  transition: all .25s ease; border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--orange-btn); color: #fff; }
.btn-primary:hover { background: #a63d00; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(200, 74, 0, .35); }
.btn-outline { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-navy { background: var(--navy-800); color: #fff; }
.btn-navy:hover { background: var(--navy-700); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s ease, box-shadow .3s ease;
  background: linear-gradient(180deg, rgba(3,22,40,.85), rgba(3,22,40,0));
}
.site-header.solid { background: var(--navy-950); box-shadow: 0 6px 24px rgba(0,0,0,.25); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .8rem 0; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand img { width: 54px; height: 52px; object-fit: contain; border-radius: 10px; background: #fff; padding: 3px; }
.brand-name { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name strong { font-family: var(--font-head); font-size: 1.05rem; color: #fff; letter-spacing: .04em; }
.brand-name span { font-size: .68rem; color: var(--orange-light); letter-spacing: .22em; text-transform: uppercase; font-weight: 600; }

.main-nav { display: flex; align-items: center; gap: 1.6rem; }
.main-nav a { color: #e8eef5; font-size: .93rem; font-weight: 500; position: relative; padding: .3rem 0; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--orange); transition: width .25s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav .btn { padding: .6rem 1.3rem; font-size: .88rem; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; position: relative; z-index: 110;
}
.nav-toggle span {
  display: block; width: 26px; height: 3px; background: #fff; margin: 5px auto;
  border-radius: 2px; transition: all .3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 40%;
}
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(3,22,40,.92) 15%, rgba(3,22,40,.55) 55%, rgba(3,22,40,.25));
}
.hero-content { position: relative; z-index: 2; padding: 9rem 0 5rem; max-width: 720px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-head); font-size: .8rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase; color: var(--orange-text);
  margin-bottom: 1.2rem;
}
.hero .eyebrow, .page-hero .eyebrow, .section.dark .eyebrow { color: var(--orange-light); }
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--orange); }
.hero h1 {
  color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800;
  letter-spacing: -.01em; margin-bottom: 1.3rem;
}
.hero h1 em { font-style: normal; color: var(--orange-light); }
.hero p { font-size: 1.1rem; color: #d6e1ec; max-width: 58ch; margin-bottom: 2.2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  position: relative; z-index: 2; margin-top: 3.5rem;
  display: grid; grid-template-columns: repeat(4, auto); gap: 2.8rem;
}
.stat strong {
  display: block; font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: #fff;
}
.stat strong i { font-style: normal; color: var(--orange-light); }
.stat span { font-size: .82rem; color: #aebfd1; text-transform: uppercase; letter-spacing: .08em; }

/* ---------- Secciones ---------- */
.section { padding: 5.5rem 0; }
.section.soft { background: var(--bg-soft); }
.section.dark { background: var(--navy-900); color: #d6e1ec; }
.section.dark h2, .section.dark h3 { color: #fff; }

.section-head { max-width: 760px; margin-bottom: 3rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; margin-bottom: 1rem; }
.section-head p { color: var(--text-soft); font-size: 1.03rem; }
.section.dark .section-head p { color: #aebfd1; }
.section-head .eyebrow { margin-bottom: .8rem; }

/* ---------- Cards genéricas ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem 1.7rem; transition: transform .3s ease, box-shadow .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card .icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(240,101,32,.1); color: var(--orange); margin-bottom: 1.2rem;
}
.card .icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.12rem; margin-bottom: .6rem; }
.card p { font-size: .93rem; color: var(--text-soft); }

/* ---------- Servicios ---------- */
.service-card { position: relative; overflow: hidden; }
.service-card a.more {
  display: inline-flex; align-items: center; gap: .4rem; margin-top: 1rem;
  color: var(--orange-text); font-weight: 600; font-size: .88rem;
}
.service-card a.more:hover { gap: .7rem; }

/* ---------- Imagen + texto ---------- */
.media-frame { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }
.media-frame.crop-mark img { object-position: center 30%; }
.media-badge {
  position: absolute; left: 1.2rem; bottom: 1.2rem; background: var(--orange-btn);
  color: #fff; font-family: var(--font-head); font-weight: 700;
  padding: .8rem 1.2rem; border-radius: 12px; font-size: .9rem; line-height: 1.3;
  box-shadow: 0 10px 26px rgba(0,0,0,.3);
}
.media-badge small { display: block; font-weight: 500; font-size: .72rem; opacity: .9; }

.checklist { list-style: none; margin-top: 1.4rem; display: grid; gap: .8rem; }
.checklist li { display: flex; gap: .7rem; align-items: flex-start; color: var(--text-soft); font-size: .96rem; }
.checklist li::before {
  content: "✓"; flex: 0 0 22px; height: 22px; border-radius: 50%;
  background: rgba(240,101,32,.12); color: var(--orange-text);
  display: grid; place-items: center; font-size: .75rem; font-weight: 700; margin-top: .15rem;
}
.section.dark .checklist li::before { background: rgba(255,135,15,.18); color: var(--orange-light); }
.section.dark .checklist li { color: #c3d2e0; }

/* ---------- Timeline ---------- */
.timeline { position: relative; margin-top: 1rem; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--orange), var(--navy-700));
  transform: translateX(-50%);
}
.tl-item {
  position: relative; width: 50%; padding: 0 2.6rem 2.6rem;
}
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; }
.tl-item::before {
  content: ""; position: absolute; top: .4rem; width: 14px; height: 14px;
  border-radius: 50%; background: var(--orange); border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(240,101,32,.3);
}
.tl-item:nth-child(odd)::before { right: -7px; }
.tl-item:nth-child(even)::before { left: -7px; }
.tl-year { font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; color: var(--orange); }
.tl-item h4 { font-size: 1.05rem; margin: .2rem 0 .3rem; }
.tl-item p { font-size: .9rem; color: var(--text-soft); }
.section.dark .tl-item h4 { color: #fff; }
.section.dark .tl-item p { color: #aebfd1; }
.section.dark .tl-item::before { border-color: var(--navy-900); }

/* ---------- Logos clientes ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; }
.logo-wall .logo-cell {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  display: grid; place-items: center; padding: 1.1rem; min-height: 96px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.logo-wall .logo-cell:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.logo-wall img { max-height: 56px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .75; transition: all .25s ease; }
.logo-wall .logo-cell:hover img { filter: none; opacity: 1; }

/* ---------- Tablas de flota ---------- */
.fleet-tabs { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 2rem; }
.fleet-tab {
  padding: .65rem 1.3rem; border-radius: 999px; border: 1.5px solid var(--line);
  background: #fff; cursor: pointer; font-family: var(--font-head);
  font-weight: 600; font-size: .88rem; color: var(--text-soft); transition: all .2s ease;
}
.fleet-tab:hover { border-color: var(--orange-dark); color: var(--orange-text); }
.fleet-tab.active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }

.fleet-panel { display: none; }
.fleet-panel.active { display: block; animation: fadeUp .4s ease; }

.table-wrap {
  overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: var(--shadow); background: #fff;
}
table.fleet { width: 100%; border-collapse: collapse; min-width: 780px; font-size: .9rem; }
table.fleet thead th {
  background: var(--navy-800); color: #fff; text-align: left;
  padding: .95rem 1.1rem; font-family: var(--font-head); font-weight: 600; font-size: .82rem;
  letter-spacing: .04em; text-transform: uppercase; white-space: nowrap;
}
table.fleet tbody td { padding: .8rem 1.1rem; border-top: 1px solid var(--line); color: var(--text); white-space: nowrap; }
table.fleet tbody tr:nth-child(even) { background: var(--bg-soft); }
table.fleet tbody tr:hover { background: rgba(240,101,32,.06); }
.tag-ok {
  display: inline-block; padding: .2rem .7rem; border-radius: 999px;
  background: rgba(22,163,74,.12); color: var(--green-ok); font-size: .78rem; font-weight: 600;
}

/* ---------- Galería ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.gallery-item {
  position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer;
  aspect-ratio: 4 / 3; box-shadow: var(--shadow);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .45s ease;
}
.gallery-item:hover img { transform: scale(1.07); }
.gallery-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(3,22,40,.55));
  opacity: 0; transition: opacity .3s ease;
}
.gallery-item:hover::after { opacity: 1; }

.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(3,22,40,.94);
  display: none; align-items: center; justify-content: center; padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lightbox button {
  position: absolute; background: rgba(255,255,255,.1); color: #fff; border: 0;
  width: 52px; height: 52px; border-radius: 50%; font-size: 1.5rem; cursor: pointer;
  display: grid; place-items: center; transition: background .2s ease;
}
.lightbox button:hover { background: var(--orange); }
.lb-close { top: 1.5rem; right: 1.5rem; }
.lb-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 2.5rem; align-items: start; }
.contact-card {
  background: var(--navy-900); color: #d6e1ec; border-radius: var(--radius);
  padding: 2.3rem; box-shadow: var(--shadow-lg);
}
.contact-card h3 { color: #fff; font-size: 1.3rem; margin-bottom: 1.6rem; }
.contact-person { padding: 1.1rem 0; border-top: 1px solid rgba(255,255,255,.12); }
.contact-person strong { display: block; color: #fff; font-family: var(--font-head); font-size: 1rem; }
.contact-person em { font-style: normal; font-size: .8rem; color: var(--orange-light); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }
.contact-person a { display: flex; align-items: center; gap: .55rem; margin-top: .45rem; font-size: .92rem; color: #c3d2e0; }
.contact-person a:hover { color: var(--orange-light); }
.contact-person svg { width: 17px; height: 17px; flex: none; }

.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2.3rem; box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-field { display: flex; flex-direction: column; gap: .35rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: .85rem; font-weight: 600; color: var(--navy-800); }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--font-body); font-size: .95rem; color: var(--text);
  padding: .8rem 1rem; border: 1.5px solid var(--line); border-radius: 10px;
  background: var(--bg-soft); transition: border .2s ease; width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--orange); background: #fff;
}
.form-check { display: flex; gap: .6rem; align-items: flex-start; font-size: .85rem; color: var(--text-soft); }
.form-check input { margin-top: .25rem; accent-color: var(--orange); }
.form-note { margin-top: 1rem; font-size: .9rem; padding: .9rem 1.1rem; border-radius: 10px; display: none; }
.form-note.ok { display: block; background: rgba(22,163,74,.1); color: var(--green-ok); }
.form-note.err { display: block; background: rgba(220,38,38,.08); color: #b91c1c; }

/* ---------- CTA banda ---------- */
.cta-band {
  position: relative; overflow: hidden; border-radius: 20px;
  background: linear-gradient(120deg, var(--navy-800), var(--navy-700));
  color: #fff; padding: 3.2rem; display: flex; align-items: center;
  justify-content: space-between; gap: 2rem; flex-wrap: wrap;
}
.cta-band::before {
  content: ""; position: absolute; right: -80px; top: -80px; width: 300px; height: 300px;
  border-radius: 50%; background: rgba(240,101,32,.18);
}
.cta-band h2 { color: #fff; font-size: clamp(1.4rem, 2.6vw, 2rem); max-width: 30ch; position: relative; }
.cta-band p { color: #c3d2e0; margin-top: .4rem; max-width: 52ch; position: relative; }
.cta-band .btn { position: relative; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #9fb2c5; font-size: .92rem; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem;
  padding: 4rem 0 3rem;
}
.site-footer h4 {
  color: #fff; font-size: .85rem; letter-spacing: .16em; text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.site-footer ul { list-style: none; display: grid; gap: .6rem; }
.site-footer a:hover { color: var(--orange-light); }
.footer-brand { display: flex; align-items: center; gap: .8rem; margin-bottom: 1.1rem; }
.footer-brand img { width: 52px; height: 50px; object-fit: contain; background: #fff; border-radius: 10px; padding: 3px; }
.footer-brand strong { font-family: var(--font-head); color: #fff; font-size: 1.05rem; }
.footer-contact li { display: flex; gap: .6rem; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; flex: none; margin-top: .25rem; color: var(--orange-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 1.4rem 0;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .84rem;
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: #128c7e;
  display: grid; place-items: center; box-shadow: 0 12px 30px rgba(18,140,126,.45);
  transition: transform .25s ease;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 30px; height: 30px; color: #fff; }

/* ---------- Página interior (banner) ---------- */
.page-hero {
  position: relative; min-height: 46vh; display: flex; align-items: flex-end;
  color: #fff; overflow: hidden; padding-bottom: 3rem;
}
.page-hero .hero-media img { object-position: center 35%; }
.page-hero .hero-media::after {
  background: linear-gradient(180deg, rgba(3,22,40,.6), rgba(3,22,40,.88));
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; }
.breadcrumb { font-size: .85rem; color: #aebfd1; margin-bottom: .6rem; }
.breadcrumb a:hover { color: var(--orange-light); }

/* ---------- Misión / Visión ---------- */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.mv-card {
  border-radius: var(--radius); padding: 2.4rem; color: #fff; position: relative; overflow: hidden;
}
.mv-card.mision { background: linear-gradient(135deg, var(--navy-800), var(--navy-700)); }
.mv-card.vision { background: linear-gradient(135deg, var(--orange-dark), var(--orange)); }
.mv-card h3 { color: #fff; font-size: 1.4rem; margin-bottom: .9rem; letter-spacing: .08em; }
.mv-card p { color: rgba(255,255,255,.92); font-size: .98rem; }

/* ---------- Animaciones reveal ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Accesibilidad ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--orange); color: #fff; padding: .8rem 1.4rem;
  border-radius: 0 0 10px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, auto); gap: 1.6rem 3rem; }
}

@media (max-width: 860px) {
  .grid-2, .grid-3, .mv-grid, .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0; background: var(--navy-950);
    flex-direction: column; justify-content: center; gap: 1.6rem;
    transform: translateX(100%); visibility: hidden;
    transition: transform .35s ease, visibility .35s;
  }
  .main-nav.open { transform: none; visibility: visible; }
  .main-nav a { font-size: 1.2rem; padding: .55rem 0; }

  .timeline::before { left: 10px; }
  .tl-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 2.2rem 2.6rem; }
  .tl-item::before { left: 3px !important; right: auto !important; }
}

@media (max-width: 560px) {
  .section { padding: 3.8rem 0; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero { min-height: 86vh; }
  .cta-band { padding: 2.2rem 1.6rem; }
}