/* ==========================================================================
   PRACTILOSA — Hoja de estilo moderna (2026)
   ========================================================================== */
:root {
  --navy: #1f2a63;
  --navy-dark: #16204d;
  --navy-deep: #0f1738;
  --red: #e2231a;
  --red-dark: #c11a12;
  --ink: #1b2233;
  --muted: #5c6575;
  --bg: #ffffff;
  --bg-soft: #f4f6fa;
  --line: #e2e7f0;
  --shadow: 0 18px 44px rgba(20, 30, 70, 0.12);
  --shadow-sm: 0 6px 18px rgba(20, 30, 70, 0.08);
  --shadow-lg: 0 30px 70px rgba(15, 23, 56, 0.22);
  --radius: 16px;
  --wrap: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-head: 'Roboto Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'Josefin Sans', 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; max-width: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--navy); text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--red); }

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.15; margin: 0 0 0.5em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.section { padding: 84px 0; }
.section--soft { background: var(--bg-soft); }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--red), #ff6a4d);
  z-index: 120;
  transition: width 0.12s linear;
}

/* ---------- Section heading ---------- */
.section-head { text-align: center; max-width: 780px; margin: 0 auto 52px; }
.section-head h2 {
  font-size: clamp(1.85rem, 4vw, 2.7rem);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.35em;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 70px;
  height: 4px;
  background: var(--red);
  border-radius: 3px;
  margin: 18px auto 0;
  transition: width 0.7s 0.15s var(--ease);
}
.section-head.reveal h2::after { width: 0; }
.section-head.reveal.in h2::after { width: 70px; }
.section-head p { color: var(--muted); font-size: 1.06rem; margin: 0; }

/* ---------- Top bar (slim utility strip) ---------- */
.topbar {
  background: linear-gradient(100deg, #161b46 0%, #1c1f47 58%, #301d36 100%);
  color: #fff;
  font-size: 0.82rem;
}
.topbar .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  align-items: center;
  justify-content: space-between;
  padding-top: 7px;
  padding-bottom: 7px;
}
.topbar .tb-addr { display: inline-flex; align-items: center; }
.topbar .tb-links { display: inline-flex; align-items: center; gap: 16px; }
.topbar a { color: rgba(255, 255, 255, 0.9); display: inline-flex; align-items: center; }
.topbar a:hover { color: #fff; }
.topbar i { color: rgba(255, 255, 255, 0.92); margin-right: 6px; }
.topbar .tb-links a[aria-label] i { margin-right: 0; font-size: 0.95rem; }

/* ---------- Header (frosted blue-to-red gradient) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(100deg, #1b2150 0%, #232551 55%, #3a2340 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.4s var(--ease), box-shadow 0.3s ease;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 13px;
  padding-bottom: 13px;
  transition: padding 0.3s var(--ease);
}
.site-header.scrolled {
  background: linear-gradient(100deg, #171c47 0%, #1e2048 55%, #331f39 100%);
  box-shadow: 0 10px 30px rgba(12, 15, 40, 0.35);
}
.site-header.scrolled .wrap { padding-top: 8px; padding-bottom: 8px; }
.site-header.nav-hidden { transform: translateY(-102%); }

.brand img {
  height: 42px;
  width: auto;
  background: #fff;
  padding: 6px 10px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  transition: transform 0.3s var(--ease);
}
.brand:hover img { transform: scale(1.04); }

.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  padding: 9px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.34); }
.nav-toggle:active { transform: scale(0.94); }

.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.main-nav ul a {
  position: relative;
  display: block;
  padding: 8px 13px;
  font-family: var(--font-head);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-size: 0.82rem;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.main-nav ul a:hover { color: rgba(255, 255, 255, 0.72); }
.main-nav ul a.active { color: #fff; font-weight: 700; }
.main-nav ul a.active::before {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #fff;
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}
.nav-cta {
  padding: 9px 22px;
  border-radius: 999px;
  background: transparent;
  border: 1.6px solid rgba(255, 255, 255, 0.65);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.8rem;
  white-space: nowrap;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s var(--ease);
}
.nav-cta:hover {
  background: #fff;
  border-color: #fff;
  color: var(--navy-deep);
  transform: translateY(-2px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--navy-dark);
}
.hero::before {
  content: "";
  position: absolute;
  inset: -5%;
  z-index: 0;
  background-image: url(../images/new-obra-07.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: heroZoom 20s ease-in-out infinite alternate;
}
.hero--home::before { background-image: url(../images/new-obra-07.jpg); }
.hero--conocenos::before { background-image: url(../images/new-planta-01.jpg); }
.hero--obras::before { background-image: url(../images/new-obra-05.jpg); }
.hero--servicios::before { background-image: url(../images/new-obra-10.jpg); }
.hero--productos::before { background-image: url(../images/new-vigueta-01.jpg); }
.hero--contacto::before { background-image: url(../images/new-flota-01.jpg); }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(103deg, rgba(12, 19, 46, 0.95) 0%, rgba(14, 21, 52, 0.82) 44%, rgba(16, 23, 54, 0.55) 70%, rgba(226, 35, 26, 0.34) 100%);
}
.hero--page::after {
  background:
    linear-gradient(rgba(12, 19, 46, 0.78), rgba(15, 23, 56, 0.84));
}
.hero .wrap { position: relative; z-index: 2; padding-top: 118px; padding-bottom: 118px; max-width: 900px; }
.hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 5.6vw, 3.5rem);
  text-transform: uppercase;
  margin-bottom: 0.4em;
  letter-spacing: 0.5px;
}
.hero p { font-size: 1.16rem; color: #e7ebf7; max-width: 640px; margin: 0 0 1.7em; }
.hero .btn { margin: 6px 12px 6px 0; }

.hero .wrap > * { animation: fadeUp 0.8s var(--ease) both; }
.hero .wrap > h1 { animation-delay: 0.12s; }
.hero .wrap > p { animation-delay: 0.28s; }
.hero .wrap > .btn { animation-delay: 0.42s; }
.hero .wrap > .btn + .btn { animation-delay: 0.52s; }

.hero--page { text-align: center; }
.hero--page .wrap { padding-top: 84px; padding-bottom: 84px; }
.hero--page h1 { margin-bottom: 0.2em; }
.hero--page p { margin: 0 auto; }

/* scroll cue */
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  z-index: 2;
}
.scroll-cue span {
  position: absolute;
  left: 50%; top: 8px;
  width: 4px; height: 8px;
  margin-left: -2px;
  background: #fff;
  border-radius: 2px;
  animation: cueMove 1.6s var(--ease) infinite;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-radius: 12px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}
.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -130%;
  width: 55%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s var(--ease);
}
.btn:hover { transform: translateY(-3px); }
.btn:hover::after { left: 140%; }
.btn--red { background: var(--red); color: #fff; box-shadow: 0 12px 26px rgba(226, 35, 26, 0.35); }
.btn--red:hover { background: var(--red-dark); color: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-dark); color: #fff; }

/* ---------- Intro / text blocks ---------- */
.lead {
  text-align: center;
  max-width: 830px;
  margin: 0 auto 48px;
  font-size: 1.14rem;
  color: var(--muted);
}
.lead strong { color: var(--red); }

/* ---------- Image grid / cards ---------- */
.grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card .media { aspect-ratio: 4 / 3; overflow: hidden; background: #fff; }
.card .media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.card:hover .media img { transform: scale(1.08); }
.card .caption {
  padding: 18px 20px;
  text-align: center;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--navy);
  transition: color 0.25s ease;
}
.card:hover .caption { color: var(--red); }

.figure-plain {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #fff;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.figure-plain img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.figure-plain:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.figure-plain:hover img { transform: scale(1.05); }

/* ---------- Service cards (alternating, side layout) ---------- */
.svc-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 960px;
  margin: 0 auto;
}
.svc-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.svc-card:nth-child(even) { grid-template-columns: 1fr 320px; }
.svc-card:nth-child(even) .svc-media { order: 2; }
.svc-media { overflow: hidden; min-height: 250px; }
.svc-media img { width: 100%; height: 100%; min-height: 250px; object-fit: cover; transition: transform 0.7s var(--ease); }
.svc-card:hover .svc-media img { transform: scale(1.07); }
.svc-media--contain {
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.svc-media--contain img { object-fit: contain; height: auto; max-height: 220px; padding: 18px; }
.svc-card:hover .svc-media--contain img { transform: scale(1.04); }
.svc-body { padding: 32px 34px; align-self: center; }
.svc-body h3 {
  font-size: 1.32rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 0.45em;
}
.svc-body h3::before {
  content: "";
  display: block;
  width: 40px; height: 3px;
  background: var(--red);
  border-radius: 2px;
  margin-bottom: 14px;
}
.svc-body p { margin: 0; color: var(--muted); }

.svc-card.reveal { opacity: 0; transform: translateX(-52px); }
.svc-card.reveal:nth-child(even) { transform: translateX(52px); }
.svc-card.reveal.in { opacity: 1; transform: none; }

@media (max-width: 740px) {
  .svc-card,
  .svc-card:nth-child(even) { grid-template-columns: 1fr; }
  .svc-card:nth-child(even) .svc-media { order: 0; }
  .svc-media,
  .svc-media img { min-height: 0; }
  .svc-media img { height: 210px; }
  .svc-body { padding: 24px 24px 28px; }
  .svc-card.reveal,
  .svc-card.reveal:nth-child(even) { transform: translateY(28px); }
}

/* ---------- Feature cards ---------- */
.features {
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 44px;
}
.feature {
  text-align: center;
  padding: 34px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.feature:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.feature i {
  font-size: 1.9rem;
  color: var(--red);
  background: rgba(226, 35, 26, 0.1);
  width: 66px; height: 66px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 16px;
  transition: transform 0.4s var(--ease), background 0.3s ease;
}
.feature:hover i { transform: translateY(-4px) rotate(-8deg); background: rgba(226, 35, 26, 0.16); }
.feature h3 { font-size: 1.16rem; text-transform: uppercase; margin-bottom: 0.3em; }
.feature p { margin: 0; color: var(--muted); font-size: 0.99rem; }

/* ---------- Social strip ---------- */
.social-strip {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 56px;
}
.social-strip a {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #fff;
  background: var(--navy);
  transition: transform 0.25s var(--ease), background 0.25s ease;
}
.social-strip a:hover { transform: translateY(-5px) scale(1.06); background: var(--red); color: #fff; }

/* ---------- Contact ---------- */
.contact-split {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: start;
}
.contact-aside { display: flex; flex-direction: column; gap: 20px; }
.contact-split #map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  min-height: 480px;
  height: 100%;
}
.contact-split iframe { display: block; width: 100%; height: 100%; min-height: 480px; border: 0; }

.contact-photo {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.contact-photo img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.contact-photo:hover img { transform: scale(1.05); }

.info-card {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #dfe4f5;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}
.info-card h3 { color: #fff; text-transform: uppercase; font-size: 1.1rem; }
.info-card ul { list-style: none; margin: 0; padding: 0; }
.info-card li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.12); font-size: 0.95rem; }
.info-card li:last-child { border-bottom: 0; }
.info-card i { color: var(--red); margin-top: 5px; }
.info-card a { color: #dfe4f5; }
.info-card a:hover { color: #fff; }

@media (max-width: 900px) {
  .contact-split { grid-template-columns: 1fr; }
  .contact-split #map { min-height: 340px; }
  .contact-photo img { height: 220px; }
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
  max-width: 760px;
  margin: 0 auto;
}
.form-card .field { margin-bottom: 18px; }
.form-card label {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.85rem;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-card input,
.form-card textarea {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.form-card input:focus,
.form-card textarea:focus {
  outline: none;
  border-color: var(--navy);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(31, 42, 99, 0.12);
}
.form-card textarea { min-height: 140px; resize: vertical; }
.form-card .btn { width: 100%; justify-content: center; }

.success {
  text-align: center;
  background: #eef7ee;
  border: 1px solid #cfe6cf;
  border-radius: var(--radius);
  padding: 26px;
  color: #256b2b;
}
.form-error {
  background: #fdecec;
  border: 1px solid #f5c6c3;
  color: #a4271f;
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 10px;
}

/* ---------- Footer (frosted blue-to-red gradient) ---------- */
.site-footer {
  position: relative;
  background-color: #141643;
  background-image: linear-gradient(120deg, rgba(26, 31, 78, 0.85) 0%, rgba(32, 36, 80, 0.7) 60%, rgba(58, 33, 62, 0.6) 100%);
  color: rgba(255, 255, 255, 0.82);
  border-top: 3px solid var(--red);
  padding-top: 60px;
  font-size: 0.94rem;
}
.footer-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1.7fr 1fr 1.3fr 1.1fr;
  padding-bottom: 44px;
}
.footer-about p { margin: 16px 0 20px; max-width: 320px; line-height: 1.75; color: rgba(255, 255, 255, 0.8); }
.footer-logo {
  height: 40px;
  width: auto;
  background: #fff;
  padding: 8px 12px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
}
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: #fff;
  margin: 0 0 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { padding: 5px 0; }
.footer-col p { margin: 0 0 10px; line-height: 1.75; color: rgba(255, 255, 255, 0.8); }
.footer-col a,
.footer-about a { color: rgba(255, 255, 255, 0.8); }
.footer-col a:hover,
.footer-about a:hover { color: #fff; }
.footer-pay { font-size: 0.85rem; color: rgba(255, 255, 255, 0.68); }

.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 1rem;
  transition: transform 0.25s var(--ease), background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.footer-social a:hover { background: #fff; border-color: #fff; color: var(--navy); transform: translateY(-3px); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.72);
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(255, 255, 255, 0.9); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 920px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* ---------- Floating WhatsApp + back to top ---------- */
.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45);
  animation: waPulse 2.6s ease-out infinite;
  transition: transform 0.2s var(--ease);
}
.wa-float:hover { transform: scale(1.1); color: #fff; }

.to-top {
  position: fixed;
  right: 21px;
  bottom: 90px;
  z-index: 90;
  width: 46px; height: 46px;
  border: 0;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  box-shadow: var(--shadow-sm);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), background 0.25s ease;
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--red); }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- Keyframes ---------- */
@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.12); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}
@keyframes cueMove {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  80% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 0; }
}
@keyframes waPulse {
  0% { box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45), 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-header .wrap { position: relative; }
  .main-nav {
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: linear-gradient(155deg, #1b2150 0%, #232551 58%, #3a2340 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 18px 40px rgba(15, 20, 50, 0.35);
    padding: 10px 16px 18px;
    display: none;
  }
  .main-nav.open { display: flex; animation: fadeUp 0.28s var(--ease) both; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav ul a { padding: 13px 10px 13px 16px; letter-spacing: 1px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .main-nav ul li:last-child a { border-bottom: 0; }
  .main-nav ul a.active::before {
    left: 0; top: 10px; bottom: 10px;
    width: 3px; height: auto;
    border-radius: 2px;
    transform: none;
    box-shadow: none;
  }
  .nav-cta { text-align: center; margin-top: 14px; border-radius: 12px; padding: 13px 22px; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .section { padding: 58px 0; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .hero .wrap { padding-top: 84px; padding-bottom: 84px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .hero::before { animation: none; }
}