/* Sri Megaa Roofings — Design System */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --navy: #0b1f3a;
  --navy-deep: #071528;
  --steel: #5b6b7c;
  --steel-light: #8a97a6;
  --silver: #c8d0d8;
  --roof-blue: #1a5f9e;
  --roof-blue-bright: #2a7fc4;
  --accent-metal: #b8c4ce;
  --gold: #c4aa6e;
  --white: #ffffff;
  --off-white: #f5f7fa;
  --text: #1a2433;
  --text-muted: #5a6778;
  --shadow: 0 12px 40px rgba(7, 21, 40, 0.12);
  --shadow-lg: 0 24px 60px rgba(7, 21, 40, 0.18);
  --radius: 14px;
  --header-h: 96px;
  --container: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;
}

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

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

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

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

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  position: relative;
}

.section--alt { background: linear-gradient(180deg, var(--off-white) 0%, #fff 100%); }
.section--navy {
  background: linear-gradient(145deg, var(--navy-deep) 0%, var(--navy) 55%, #123056 100%);
  color: var(--white);
}

.section__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--roof-blue);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.section--navy .section__eyebrow { color: var(--gold); }

.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.65rem);
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 1rem;
}

.section--navy .section__title { color: var(--white); }

.section__lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
}

.section--navy .section__lead { color: rgba(255,255,255,0.78); }

.section__head {
  margin-bottom: clamp(2rem, 4vw, 3rem);
  max-width: 720px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s, color 0.35s, border-color 0.35s;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-3px); }
.btn:focus-visible { outline: 2px solid var(--roof-blue); outline-offset: 3px; }

.btn--primary {
  background: linear-gradient(135deg, var(--roof-blue) 0%, var(--navy) 100%);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(26, 95, 158, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 14px 36px rgba(26, 95, 158, 0.45);
}

.btn--secondary {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border-color: rgba(255,255,255,0.45);
  backdrop-filter: blur(8px);
}

.btn--secondary:hover {
  background: rgba(255,255,255,0.22);
  box-shadow: 0 10px 28px rgba(0,0,0,0.15);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: rgba(11, 31, 58, 0.25);
}

.btn--outline:hover {
  border-color: var(--roof-blue);
  color: var(--roof-blue);
  box-shadow: 0 8px 24px rgba(11, 31, 58, 0.08);
}

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

.btn--whatsapp {
  background: #25d366;
  color: #fff;
}

.btn--call {
  background: linear-gradient(135deg, #1a5f9e, #0b1f3a);
  color: #fff;
}

.btn-group { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 1000;
  background: #ffffff;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(11, 31, 58, 0.1);
  box-shadow: 0 8px 28px rgba(7, 21, 40, 0.08);
  transition: background 0.4s var(--ease), box-shadow 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  overflow: visible;
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  overflow: visible;
}

.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  background: #ffffff;
  padding: 0;
  border-radius: 0;
  line-height: 0;
  z-index: 2;
}

.site-header__logo img {
  height: calc(var(--header-h) - 14px);
  width: auto;
  max-width: none;
  object-fit: contain;
  object-position: left center;
  display: block;
  background: #ffffff;
  transform: scale(1.18);
  transform-origin: left center;
}

.site-header__logo .logo-light { display: none; }
.site-header__logo .logo-dark { display: block; }
.site-header:not(.is-solid) .site-header__logo .logo-dark { display: block; }
.site-header:not(.is-solid) .site-header__logo .logo-light { display: none; }
.site-header.is-solid .site-header__logo .logo-dark { display: block; }
.site-header.is-solid .site-header__logo .logo-light { display: none; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--navy);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.3s;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--roof-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }

.site-header__cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-header__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--roof-blue-bright), var(--roof-blue));
  border: 1px solid rgba(26, 95, 158, 0.25);
  box-shadow: 0 10px 28px rgba(26, 95, 158, 0.28);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.site-header__phone:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(26, 95, 158, 0.4);
}

.site-header.is-solid {
  background: #ffffff;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(11, 31, 58, 0.1);
  box-shadow: 0 8px 28px rgba(7, 21, 40, 0.08);
}

.site-header.is-solid .site-nav a { color: var(--navy); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: var(--off-white);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  z-index: 1002;
}

.site-header.is-solid .nav-toggle { background: var(--off-white); }

.nav-toggle span {
  position: absolute;
  left: 11px; right: 11px;
  height: 2px;
  background: var(--navy);
  transition: 0.3s;
}

.site-header.is-solid .nav-toggle span { background: var(--navy); }

.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }

.nav-toggle.is-open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  min-height: 42vh;
  display: grid;
  align-items: end;
  padding: calc(var(--header-h) + 3rem) 0 3.5rem;
  color: #fff;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}

.page-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7,21,40,0.88) 0%, rgba(11,31,58,0.55) 55%, rgba(26,95,158,0.35) 100%);
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.page-hero p {
  max-width: 560px;
  color: rgba(255,255,255,0.85);
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1rem;
}

.breadcrumb a:hover { color: var(--gold); }

/* Cards grid */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  align-items: center;
}

/* ========== Trusted Partners / Brands ========== */
.partners {
  position: relative;
  padding: clamp(4rem, 8vw, 7rem) 0;
  overflow: hidden;
  background:
    linear-gradient(165deg, #f3f6fa 0%, #ffffff 42%, #eef3f8 100%);
}

.partners__atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.partners__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.45;
}

.partners__orb--1 {
  width: min(48vw, 520px);
  height: min(48vw, 520px);
  top: -12%;
  right: -8%;
  background: radial-gradient(circle, rgba(26, 95, 158, 0.22), transparent 70%);
}

.partners__orb--2 {
  width: min(40vw, 420px);
  height: min(40vw, 420px);
  bottom: 8%;
  left: -10%;
  background: radial-gradient(circle, rgba(196, 170, 110, 0.18), transparent 70%);
}

.partners__gridline {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(11, 31, 58, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 31, 58, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}

.partners__intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(2.5rem, 5vw, 3.75rem);
}

.partners__intro .section__lead {
  margin-inline: auto;
}

.partners-panel {
  --panel-accent: var(--roof-blue);
  --panel-accent-soft: rgba(26, 95, 158, 0.12);
  --panel-glow: rgba(26, 95, 158, 0.16);
  position: relative;
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(11, 31, 58, 0.08);
  box-shadow:
    0 18px 50px rgba(7, 21, 40, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.partners-panel:last-child {
  margin-bottom: 0;
}

.partners-panel__pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background:
    linear-gradient(135deg, var(--panel-accent-soft), transparent 45%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 14px,
      rgba(11, 31, 58, 0.025) 14px,
      rgba(11, 31, 58, 0.025) 15px
    );
}

.partners-panel--roofing {
  --panel-accent: #1a5f9e;
  --panel-accent-soft: rgba(26, 95, 158, 0.14);
  --panel-glow: rgba(26, 95, 158, 0.18);
}

.partners-panel--steel {
  --panel-accent: #3d4f63;
  --panel-accent-soft: rgba(61, 79, 99, 0.14);
  --panel-glow: rgba(61, 79, 99, 0.16);
}

.partners-panel--cement {
  --panel-accent: #9a7b3c;
  --panel-accent-soft: rgba(154, 123, 60, 0.14);
  --panel-glow: rgba(154, 123, 60, 0.16);
}

.partners-panel__head {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: clamp(1.35rem, 3vw, 2rem);
  padding-bottom: clamp(1.1rem, 2.5vw, 1.5rem);
  border-bottom: 1px solid rgba(11, 31, 58, 0.08);
}

.partners-panel__badge {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: var(--panel-accent);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.95), var(--panel-accent-soft));
  border: 1px solid rgba(11, 31, 58, 0.08);
  box-shadow: 0 10px 24px var(--panel-glow);
  flex-shrink: 0;
}

.partners-panel__badge svg {
  width: 30px;
  height: 30px;
}

.partners-panel__label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--panel-accent);
  margin-bottom: 0.45rem;
}

.partners-panel__title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 0.55rem;
}

.partners-panel__desc {
  color: var(--text-muted);
  max-width: 58ch;
  font-size: 0.98rem;
}

.partners-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.1rem;
}

.partners-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.partners-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.partner-card {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-height: 210px;
  padding: 1.35rem 1.2rem 1.25rem;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.92) 100%);
  border: 1px solid rgba(11, 31, 58, 0.08);
  box-shadow: 0 10px 28px rgba(7, 21, 40, 0.06);
  overflow: hidden;
  cursor: default;
  transition:
    transform 0.45s var(--ease),
    box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
}

.partner-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--panel-accent), transparent);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.partner-card__shine {
  position: absolute;
  inset: -40% -30%;
  background: linear-gradient(
    115deg,
    transparent 35%,
    rgba(255, 255, 255, 0.55) 48%,
    transparent 62%
  );
  transform: translateX(-60%) rotate(8deg);
  opacity: 0;
  transition: transform 0.7s var(--ease), opacity 0.45s ease;
  pointer-events: none;
  z-index: 0;
}

.partner-card__logo {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  padding: 0.85rem 0.5rem;
  margin-bottom: 0.85rem;
  border-radius: 14px;
  background:
    linear-gradient(180deg, #fff 0%, #f4f7fb 100%);
  border: 1px solid rgba(11, 31, 58, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.partner-card__logo img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 68px;
  object-fit: contain;
  object-position: center;
  transition: transform 0.45s var(--ease);
}

.partner-card__meta {
  position: relative;
  z-index: 1;
  text-align: center;
}

.partner-card__meta h4 {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.2rem;
  letter-spacing: 0.01em;
}

.partner-card__meta span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.partner-card:hover {
  transform: translateY(-8px);
  border-color: rgba(11, 31, 58, 0.16);
  box-shadow:
    0 22px 48px var(--panel-glow),
    0 8px 18px rgba(7, 21, 40, 0.08);
}

.partner-card:hover::before {
  opacity: 1;
}

.partner-card:hover .partner-card__shine {
  opacity: 1;
  transform: translateX(55%) rotate(8deg);
}

.partner-card:hover .partner-card__logo img {
  transform: scale(1.05);
}

.partner-card.is-tilting {
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

@media (max-width: 1100px) {
  .partners-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .partners-panel__head {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .partners-panel__badge {
    width: 56px;
    height: 56px;
  }

  .partners-grid--4,
  .partners-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .partners-grid--4,
  .partners-grid--3 {
    grid-template-columns: 1fr;
  }

  .partner-card {
    min-height: 180px;
  }
}

.feature-card,
.category-card,
.service-card,
.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(11, 31, 58, 0.06);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.feature-card {
  padding: 1.75rem 1.5rem;
  text-align: left;
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(26,95,158,0.12), rgba(11,31,58,0.08));
  color: var(--roof-blue);
  margin-bottom: 1.1rem;
  font-size: 1.35rem;
}

.feature-card h3,
.category-card h3,
.service-card h3,
.product-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.feature-card p,
.category-card p,
.service-card p,
.product-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.category-card__media,
.service-card__media,
.product-card__media {
  position: relative;
  aspect-ratio: 16/11;
  overflow: hidden;
  background: #dce3ea;
}

.category-card__media img,
.service-card__media img,
.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.category-card__body,
.service-card__body,
.product-card__body {
  padding: 1.25rem 1.35rem 1.5rem;
}

.category-card:hover,
.service-card:hover,
.product-card:hover {
  box-shadow: var(--shadow-lg);
}

.category-card:hover .category-card__media img,
.service-card:hover .service-card__media img,
.product-card:hover .product-card__media img {
  transform: scale(1.08) translateZ(24px);
}

.card-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.35) 48%, transparent 62%);
  transform: translateX(-120%);
  pointer-events: none;
}

.category-card:hover .card-shine,
.service-card:hover .card-shine,
.product-card:hover .card-shine {
  animation: shine-sweep 0.9s var(--ease);
}

@keyframes shine-sweep {
  to { transform: translateX(120%); }
}

.product-card__actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.product-card__actions .btn { padding: 0.55rem 0.95rem; font-size: 0.82rem; }

.product-card[data-tilt] { will-change: transform; }

/* About split */
.about-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-split__media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 420px;
}

.about-split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.about-split__badge {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  background: rgba(11, 31, 58, 0.88);
  color: #fff;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  backdrop-filter: blur(8px);
  max-width: 240px;
}

.about-split__badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.check-list {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.65rem;
}

.check-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  color: var(--text-muted);
}

.check-list li::before {
  content: '';
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--roof-blue), var(--navy));
  box-shadow: inset 0 0 0 4px rgba(255,255,255,0.25);
}

/* Why choose */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.why-item {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}

.why-item h3 {
  font-family: var(--font-display);
  margin-bottom: 0.55rem;
  font-size: 1.15rem;
}

.why-item p { color: rgba(255,255,255,0.72); font-size: 0.95rem; }

/* Applications */
.app-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.app-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 260px;
  box-shadow: var(--shadow);
}

.app-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.app-card__content {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(7,21,40,0.9));
  color: #fff;
}

.app-card h3 {
  font-family: var(--font-display);
  margin-bottom: 0.35rem;
}

/* Showcase 3D */
.showcase-3d {
  position: relative;
  min-height: 480px;
  border-radius: 20px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(42,127,196,0.25), transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(196,170,110,0.15), transparent 45%),
    linear-gradient(160deg, #0a1830, #132844 50%, #0d2138);
  perspective: 1200px;
  box-shadow: var(--shadow-lg);
}

.showcase-3d__stage {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.showcase-item {
  position: absolute;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.15);
  animation: float-soft 8s ease-in-out infinite;
}

.showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-item--1 { width: 280px; height: 180px; left: 8%; top: 22%; animation-delay: 0s; }
.showcase-item--2 { width: 220px; height: 150px; right: 12%; top: 18%; animation-delay: -2s; }
.showcase-item--3 { width: 200px; height: 140px; left: 28%; bottom: 16%; animation-delay: -4s; }
.showcase-item--4 { width: 240px; height: 160px; right: 22%; bottom: 20%; animation-delay: -1s; }

.showcase-3d__caption {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  z-index: 2;
  max-width: 360px;
  padding: 1.5rem;
  background: rgba(7,21,40,0.45);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
}

.showcase-3d__caption h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

@keyframes float-soft {
  0%, 100% { transform: translateY(0) rotateY(-4deg); }
  50% { transform: translateY(-14px) rotateY(4deg); }
}

/* CTA band */
.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.5rem;
  border-radius: 18px;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.08), transparent),
    linear-gradient(135deg, var(--navy-deep), var(--roof-blue));
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.4rem;
}

.cta-band p { color: rgba(255,255,255,0.8); max-width: 480px; }

/* Contact preview */
.contact-preview {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.75rem;
}

.contact-info-card {
  background: var(--navy-deep);
  color: #fff;
  border-radius: 18px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.contact-info-card h3 {
  font-family: var(--font-display);
  margin-bottom: 1.25rem;
  font-size: 1.35rem;
}

.contact-list { display: grid; gap: 1.1rem; }

.contact-list li {
  display: grid;
  gap: 0.2rem;
}

.contact-list span {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.contact-list a:hover { color: var(--silver); }

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.map-frame {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 360px;
  background: #e8eef4;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: 0;
  display: block;
}

/* Forms */
.form-card {
  background: #fff;
  border-radius: 18px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow);
  border: 1px solid rgba(11,31,58,0.06);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field { display: grid; gap: 0.4rem; }
.form-field--full { grid-column: 1 / -1; }

.form-field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(11,31,58,0.15);
  background: var(--off-white);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--roof-blue);
  box-shadow: 0 0 0 3px rgba(26,95,158,0.15);
  background: #fff;
}

.form-field textarea { min-height: 140px; resize: vertical; }

.form-status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  font-size: 0.92rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background: rgba(37, 166, 102, 0.12);
  color: #0f6b3f;
}

.form-status.is-error {
  display: block;
  background: rgba(180, 40, 40, 0.1);
  color: #8a1f1f;
}

.form-status.is-loading {
  display: block;
  background: rgba(26,95,158,0.1);
  color: var(--roof-blue);
}

/* Products toolbar */
.products-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: center;
  justify-content: space-between;
}

.products-search {
  flex: 1;
  min-width: 220px;
  max-width: 360px;
  position: relative;
}

.products-search input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.6rem;
  border-radius: 12px;
  border: 1px solid rgba(11,31,58,0.12);
  background: #fff;
  box-shadow: 0 4px 16px rgba(7,21,40,0.04);
}

.products-search::before {
  content: '⌕';
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--steel);
  font-size: 1.1rem;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  border: 1px solid rgba(11,31,58,0.12);
  background: #fff;
  color: var(--text-muted);
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: 0.3s;
}

.filter-chip.is-active,
.filter-chip:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.products-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  display: none;
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.78);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 2rem;
  padding-bottom: 3rem;
}

.site-footer__logo img {
  height: 88px;
  width: auto;
  margin-bottom: 1rem;
}

.site-footer h4 {
  font-family: var(--font-display);
  color: #fff;
  margin-bottom: 1.1rem;
  font-size: 1rem;
}

.footer-links { display: grid; gap: 0.55rem; }
.footer-links a:hover { color: var(--gold); }

.footer-contact { display: grid; gap: 0.7rem; font-size: 0.92rem; }
.footer-contact a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-left { transform: translateX(-32px); }
.reveal-right { transform: translateX(32px); }
.reveal-scale { transform: scale(0.94); }

/* Floating action */
.fab-stack {
  position: fixed;
  right: 1.15rem;
  bottom: 1.15rem;
  z-index: 900;
  display: grid;
  gap: 0.75rem;
}

.fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
  position: relative;
}

.fab::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  opacity: 0.35;
  animation: fab-pulse 2.4s ease-out infinite;
  pointer-events: none;
}

.fab:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.fab--call {
  background: linear-gradient(145deg, #2a7fc4, #134e86);
  color: #fff;
}

.fab--wa {
  background: linear-gradient(145deg, #3ddc81, #1faa59);
  color: #fff;
}

@keyframes fab-pulse {
  0% { transform: scale(0.92); opacity: 0.45; }
  70% { transform: scale(1.18); opacity: 0; }
  100% { transform: scale(1.18); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .fab::after { animation: none; }
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  color: var(--navy);
  padding: 0.75rem 1rem;
  z-index: 2000;
}

.skip-link:focus { left: 1rem; top: 1rem; }

@media (max-width: 1100px) {
  .grid-4, .products-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .grid-4, .grid-3, .products-grid, .why-grid, .app-strip { grid-template-columns: repeat(2, 1fr); }
  .about-split, .contact-preview, .grid-2 { grid-template-columns: 1fr; }
  .site-nav,
  .site-header__cta { display: none; }
  .nav-toggle { display: inline-block; }

  .site-nav.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(7, 21, 40, 0.97);
    padding: 6rem 2rem 2rem;
    gap: 1.25rem;
    align-items: flex-start;
    z-index: 1001;
  }

  .site-nav.is-open a {
    color: #fff;
    font-size: 1.25rem;
  }

  .site-header__cta.is-open {
    display: flex;
    position: fixed;
    left: 2rem;
    right: 2rem;
    bottom: 2rem;
    z-index: 1002;
  }

  .showcase-item--1, .showcase-item--2 { width: 180px; height: 120px; }
  .showcase-item--3, .showcase-item--4 { display: none; }
}

@media (max-width: 640px) {
  .grid-4, .grid-3, .products-grid, .why-grid, .app-strip, .footer-grid, .form-grid {
    grid-template-columns: 1fr;
  }
  .site-header__logo img {
    height: calc(var(--header-h) - 4px);
    max-width: none;
    transform: scale(1.12);
  }
  :root { --header-h: 84px; }
  .cta-band { padding: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}