/* =========================================================
   Matipa Energy — style.css
   Light, professional palette: white / light grey / soft blue
   No frameworks. Mobile-first.
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  --c-bg: #f6f8fb;
  --c-surface: #ffffff;
  --c-surface-2: #f0f4fa;
  --c-text: #0f172a;
  --c-text-soft: #475569;
  --c-text-mute: #64748b;
  --c-border: #e2e8f0;
  --c-border-strong: #cbd5e1;

  --c-blue: #2563eb;
  --c-blue-600: #1d4ed8;
  --c-blue-50: #eff6ff;
  --c-blue-100: #dbeafe;
  --c-accent: #f59e0b;
  --c-accent-soft: #fef3c7;
  --c-whatsapp: #25d366;
  --c-whatsapp-dark: #128c7e;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow-md: 0 6px 16px -4px rgba(15,23,42,.10), 0 4px 8px -4px rgba(15,23,42,.06);
  --shadow-lg: 0 24px 48px -16px rgba(15,23,42,.20);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --container: 1200px;
  --header-h: 72px;

  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Poppins', 'Inter', system-ui, sans-serif;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a  { color: var(--c-blue); text-decoration: none; }
a:hover { color: var(--c-blue-600); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--c-text);
  margin: 0 0 .5rem;
  line-height: 1.18;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }
p  { margin: 0 0 1rem; color: var(--c-text-soft); }

ul { padding-left: 0; list-style: none; margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,.96);
  border-bottom-color: var(--c-border);
  box-shadow: var(--shadow-sm);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--c-text);
}
.brand:hover { color: var(--c-text); }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  background: #fff;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; letter-spacing: -.02em; }
.brand-tag  { font-size: .72rem; color: var(--c-text-mute); letter-spacing: .04em; text-transform: uppercase; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.primary-nav a {
  color: var(--c-text-soft);
  font-weight: 500;
  font-size: .95rem;
  padding: .35rem 0;
  position: relative;
  transition: color .15s ease;
}
.primary-nav a:hover { color: var(--c-text); }
.primary-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--c-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
  border-radius: 2px;
}
.primary-nav a:not(.nav-cta):hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--c-whatsapp);
  color: #fff !important;
  padding: .55rem 1rem !important;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 6px 16px -6px rgba(37,211,102,.7);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.nav-cta:hover { background: var(--c-whatsapp-dark); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  width: 42px; height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(560px, 85vh, 760px);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
}
.slider {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.1s ease, transform 6s ease-out;
}
.slide.is-active {
  opacity: 1;
  transform: scale(1);
}
.slide-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(15,23,42,.78) 0%, rgba(37,99,235,.55) 55%, rgba(15,23,42,.40) 100%),
    radial-gradient(1200px 600px at 80% 20%, rgba(255,255,255,.10), transparent 60%);
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px; height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.4);
  background: rgba(255,255,255,.15);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background .2s ease, transform .15s ease;
  z-index: 3;
}
.slider-arrow:hover { background: rgba(255,255,255,.3); }
.slider-arrow:active { transform: translateY(-50%) scale(.96); }
.slider-arrow.prev { left: 1rem; }
.slider-arrow.next { right: 1rem; }

.slider-dots {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .5rem;
  z-index: 3;
}
.slider-dots button {
  width: 28px; height: 4px;
  border-radius: 2px;
  border: 0;
  background: rgba(255,255,255,.5);
  cursor: pointer;
  transition: background .2s ease, width .25s ease;
}
.slider-dots button.is-active {
  background: #fff;
  width: 44px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 6rem 1.25rem 5.5rem;
}
.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.25);
  padding: .35rem .75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.eyebrow-blue {
  background: var(--c-blue-50);
  color: var(--c-blue-600);
  border-color: var(--c-blue-100);
}
.hero-title {
  color: #fff;
  max-width: 820px;
  margin: 0 0 1rem;
}
.hero-title .accent { color: #ffd54a; }
.hero-sub {
  color: rgba(255,255,255,.92);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 1.75rem;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 2.25rem;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  color: rgba(255,255,255,.9);
  font-size: .95rem;
}
.hero-trust li::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  background: #ffd54a;
  border-radius: 999px;
  margin-right: .55rem;
  vertical-align: middle;
}
.hero-trust strong { color: #fff; font-weight: 700; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .85rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--c-blue);
  color: #fff;
  box-shadow: 0 8px 22px -8px rgba(37,99,235,.7);
}
.btn-primary:hover { background: var(--c-blue-600); color: #fff; }

.btn-outline {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover { background: rgba(255,255,255,.18); color: #fff; }

.btn-light {
  background: #fff;
  color: var(--c-text);
  border-color: var(--c-border-strong);
}
.btn-light:hover { background: var(--c-surface-2); color: var(--c-text); }

.btn-whatsapp {
  background: var(--c-whatsapp);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(37,211,102,.85);
}
.btn-whatsapp:hover { background: var(--c-whatsapp-dark); color: #fff; }

/* ---------- Section base ---------- */
.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.section-head .eyebrow { margin-bottom: .9rem; }
.section-head p { color: var(--c-text-mute); }

/* ---------- Cards (Services) ---------- */
.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card { display: flex; flex-direction: column; }
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-blue-100);
  box-shadow: var(--shadow-md);
}
.service-card.featured {
  background: linear-gradient(180deg, #ffffff, var(--c-blue-50));
  border-color: var(--c-blue-100);
}
.card-icon {
  width: 52px; height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--c-blue-50);
  color: var(--c-blue-600);
  margin-bottom: 1.1rem;
}
.featured .card-icon {
  background: var(--c-blue);
  color: #fff;
}
.badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--c-accent-soft);
  color: #92400e;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .25rem .55rem;
  border-radius: 999px;
}
.check-list { margin-top: .25rem; }
.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin: .35rem 0;
  color: var(--c-text-soft);
  font-size: .95rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .45rem;
  width: 14px; height: 14px;
  border-radius: 999px;
  background: var(--c-blue);
  box-shadow: inset 0 0 0 3px #fff, 0 0 0 2px var(--c-blue-100);
}

/* ---------- About ---------- */
.about { background: var(--c-surface); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.about-media {
  position: relative;
}
.about-media img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.about-stat {
  position: absolute;
  bottom: -22px; left: -22px;
  background: #fff;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: .9rem;
  border: 1px solid var(--c-border);
}
.about-stat strong {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--c-blue);
  line-height: 1;
}
.about-stat span {
  font-size: .9rem;
  color: var(--c-text-soft);
  line-height: 1.2;
}
.about-copy h2 { margin-bottom: 1rem; }
.about-copy .btn { margin-top: .75rem; }

/* ---------- Why ---------- */
.why { background: var(--c-bg); }
.why-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.why-item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.why-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.why-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--c-blue-50);
  color: var(--c-blue-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .8rem;
}
.why-item h4 { margin-bottom: .35rem; }
.why-item p  { font-size: .95rem; margin: 0; }

/* ---------- Gallery ---------- */
.gallery { background: var(--c-surface); }
.gallery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.gallery-item {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
  background: var(--c-surface-2);
  transition: transform .35s ease, box-shadow .35s ease;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.gallery-item span {
  position: absolute;
  left: 1rem; bottom: 1rem;
  background: rgba(255,255,255,.92);
  color: var(--c-text);
  font-weight: 600;
  font-size: .9rem;
  padding: .35rem .7rem;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transform: translateY(6px);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:hover span { transform: translateY(0); opacity: 1; }
.gallery-cta { text-align: center; margin-top: 2rem; }
.gallery-cta .btn-outline {
  background: var(--c-blue);
  color: #fff;
  border-color: var(--c-blue);
}
.gallery-cta .btn-outline:hover { background: var(--c-blue-600); border-color: var(--c-blue-600); }

/* Standalone gallery page tweaks */
.gallery-page-hero {
  background: linear-gradient(120deg, var(--c-blue-50), #fff);
  padding: clamp(4rem, 8vw, 6rem) 0 2rem;
  text-align: center;
  border-bottom: 1px solid var(--c-border);
}
.gallery-page-hero h1 {
  color: var(--c-text);
  font-size: clamp(2rem, 4vw, 2.8rem);
}
.gallery-page-hero p {
  max-width: 620px;
  margin: 0 auto 0;
  color: var(--c-text-mute);
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background:
    linear-gradient(120deg, var(--c-blue) 0%, #1e3a8a 100%);
  color: #fff;
}
.cta-banner h2 { color: #fff; margin-bottom: .25rem; }
.cta-banner p  { color: rgba(255,255,255,.9); margin: 0; }
.cta-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cta-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0b1220;
  color: #cbd5e1;
  padding-top: 3.5rem;
}
.site-footer h5 {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: .9rem;
  letter-spacing: .02em;
}
.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
}
.brand-footer .brand-name { color: #fff; }
.brand-footer .brand-tag  { color: #94a3b8; }
.footer-tag { color: #94a3b8; margin-top: .8rem; }
.footer-list li { margin: .35rem 0; font-size: .95rem; }
.footer-list a {
  color: #cbd5e1;
  transition: color .15s ease;
}
.footer-list a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  border-top: 1px solid #1e293b;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  font-size: .85rem;
  color: #94a3b8;
}

/* ---------- Floating WhatsApp ---------- */
.float-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 58px; height: 58px;
  border-radius: 999px;
  background: var(--c-whatsapp);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
  box-shadow: 0 12px 28px -8px rgba(37,211,102,.7);
  animation: pulseGlow 2.4s ease-in-out infinite;
  transition: transform .15s ease, background .2s ease;
}
.float-whatsapp:hover { background: var(--c-whatsapp-dark); color: #fff; transform: translateY(-2px); }

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 12px 28px -8px rgba(37,211,102,.7), 0 0 0 0 rgba(37,211,102,.55); }
  50%      { box-shadow: 0 12px 28px -8px rgba(37,211,102,.7), 0 0 0 14px rgba(37,211,102,0); }
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem .75rem 1rem;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .primary-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .primary-nav a {
    padding: .8rem .6rem;
    border-bottom: 1px solid var(--c-border);
  }
  .primary-nav a:last-child { border-bottom: 0; }
  .primary-nav a::after { display: none; }
  .nav-cta {
    margin-top: .5rem;
    text-align: center;
    border-radius: 12px !important;
  }
  .hero { min-height: 600px; text-align: left; }
  .hero-content { padding: 5rem 1.25rem 4.5rem; }
  .hero-title { font-size: clamp(1.9rem, 7vw, 2.6rem); }
  .hero-sub { font-size: 1rem; }
  .slider-arrow { width: 40px; height: 40px; }
  .about-stat { left: 50%; transform: translateX(-50%); bottom: -28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cta-wrap { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-trust { gap: .75rem 1.25rem; }
  .float-whatsapp { width: 54px; height: 54px; right: 14px; bottom: 14px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .slide { transition: opacity .3s ease, transform .3s ease; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .float-whatsapp { animation: none; }
}