/* ==========================================================================
   Sadaf Trading - Landing Page
   ========================================================================== */

:root {
  --brand: #2d4fc4;
  --brand-dark: #1e3a9a;
  --brand-light: #e9eefc;
  --aqua: #14b8d4;
  --aqua-light: #e3f8fc;
  --navy: #0b1b3f;
  --ink: #1b2440;
  --muted: #5d6785;
  --line: #e4e8f2;
  --soft: #f5f8ff;
  --white: #fff;
  --whatsapp: #25d366;
  --gradient: linear-gradient(135deg, var(--brand) 0%, var(--aqua) 100%);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 4px 14px rgba(15, 35, 95, .06);
  --shadow: 0 14px 40px rgba(15, 35, 95, .10);
  --shadow-lg: 0 24px 60px rgba(15, 35, 95, .16);
  --font-en: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-bn: "Hind Siliguri", "Poppins", system-ui, sans-serif;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* Base
   ========================================================================== */
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); overflow-x: clip; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  font-family: var(--font-en);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
  -webkit-tap-highlight-color: transparent;
}

html[lang="bn"] body { font-family: var(--font-bn); line-height: 1.75; }

h1, h2, h3, h4 { color: var(--navy); font-weight: 700; line-height: 1.2; }
p { color: var(--muted); }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-dark); }
img { max-width: 100%; height: auto; }

:focus-visible { outline: 3px solid var(--aqua); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; left: 1rem; top: -60px; z-index: 2000;
  background: var(--brand); color: #fff; padding: .6rem 1rem; border-radius: 8px;
  transition: top .2s;
}
.skip-link:focus { top: 1rem; color: #fff; }

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons
   ========================================================================== */
.btn { font-weight: 600; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; transition: all .25s var(--ease); }
.btn-pill { border-radius: 50px; padding-inline: 1.5rem; }
.btn-lg.btn-pill { padding: .85rem 1.8rem; font-size: 1rem; }

.btn-brand { background: var(--gradient); color: #fff; border: 0; box-shadow: 0 8px 22px rgba(45, 79, 196, .3); }
.btn-brand:hover, .btn-brand:focus-visible { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(45, 79, 196, .4); }

.btn-outline-brand { color: var(--brand); border: 2px solid var(--brand); background: transparent; }
.btn-outline-brand:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }

.btn-light { color: var(--brand-dark); }
.btn-light:hover { transform: translateY(-2px); color: var(--brand-dark); }
.btn-outline-light:hover { transform: translateY(-2px); color: var(--brand-dark); }

.btn-whatsapp { background: var(--whatsapp); color: #fff; border: 0; }
.btn-whatsapp:hover { background: #1ebe5a; color: #fff; transform: translateY(-2px); }

.link-arrow { font-weight: 600; display: inline-flex; align-items: center; gap: .35rem; }
.link-arrow i { transition: transform .25s var(--ease); }
.link-arrow:hover i { transform: translateX(4px); }

/* Top bar
   ========================================================================== */
.topbar { background: var(--navy); color: rgba(255, 255, 255, .8); font-size: .85rem; padding: .5rem 0; }
.topbar a { color: rgba(255, 255, 255, .85); }
.topbar a:hover { color: #fff; }
.topbar .list-inline-item:not(:last-child) { margin-right: 1.5rem; }
.topbar i { margin-right: .3rem; color: var(--aqua); }

/* Language toggle */
.lang-toggle {
  display: inline-flex; border: 1px solid currentColor; border-radius: 50px; padding: 2px;
  background: transparent; color: inherit; font-size: .75rem; font-weight: 600; line-height: 1;
}
.lang-toggle span { padding: .3rem .55rem; border-radius: 50px; transition: all .2s; }
html[lang="en"] .lang-toggle .lang-en,
html[lang="bn"] .lang-toggle .lang-bn { background: var(--aqua); color: #fff; }
.site-header .lang-toggle { color: var(--brand); }

/* Header / Navbar
   ========================================================================== */
/* Blur lives on a pseudo-element: backdrop-filter on the header itself would trap the fixed offcanvas inside it */
.site-header { background: transparent; transition: box-shadow .3s; }
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: rgba(255, 255, 255, .92); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.navbar { padding: .85rem 0; transition: padding .3s var(--ease); }
.site-header.scrolled .navbar { padding: .45rem 0; }

.navbar-brand img { height: 48px; width: auto; transition: height .3s var(--ease); }
.site-header.scrolled .navbar-brand img { height: 40px; }

.navbar-toggler { border: 0; font-size: 1.9rem; color: var(--navy); padding: .2rem .4rem; }
.navbar-toggler:focus { box-shadow: none; }

.navbar .nav-link { color: var(--ink); font-weight: 500; padding: .5rem .9rem !important; position: relative; }
.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--brand); }

@media (min-width: 992px) {
  .navbar .nav-link::after {
    content: ""; position: absolute; left: .9rem; right: .9rem; bottom: .2rem; height: 2px;
    background: var(--gradient); border-radius: 2px; transform: scaleX(0); transition: transform .3s var(--ease);
  }
  .navbar .nav-link:hover::after, .navbar .nav-link.active::after { transform: scaleX(1); }
}

@media (max-width: 991.98px) {
  .offcanvas { --bs-offcanvas-width: min(320px, 85vw); }
  .offcanvas-header { border-bottom: 1px solid var(--line); }
  .offcanvas-header img { height: 40px; width: auto; }
  .offcanvas-body { padding-bottom: calc(1rem + env(safe-area-inset-bottom)); }
  /* The offcanvas is nested in the sticky header, so the header must rise above the backdrop */
  .menu-open .site-header { z-index: 1046; }
  .menu-open .mobile-cta, .menu-open .back-to-top { visibility: hidden; }
  .navbar .nav-link { padding: .8rem .25rem !important; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .offcanvas-body .btn { width: 100%; }
}

/* Sections
   ========================================================================== */
.section { padding: 100px 0; position: relative; }
.section-soft { background: var(--soft); }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 3.5rem; }
.section-head h2 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); margin-bottom: 1rem; }
.section-head p { font-size: 1.05rem; margin-bottom: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand); background: var(--brand-light); padding: .4rem 1rem; border-radius: 50px; margin-bottom: 1rem;
}
html[lang="bn"] .eyebrow { letter-spacing: 0; font-size: .9rem; }
.eyebrow.light { color: #fff; background: rgba(255, 255, 255, .15); }

/* Hero
   ========================================================================== */
.hero {
  position: relative; overflow: hidden; padding: 70px 0 60px;
  background: radial-gradient(1200px 600px at 85% 10%, var(--aqua-light) 0%, transparent 60%),
              radial-gradient(900px 500px at 0% 100%, var(--brand-light) 0%, transparent 60%), var(--white);
}
.hero-bg .bubble { position: absolute; border-radius: 50%; background: var(--gradient); opacity: .08; animation: float 12s ease-in-out infinite; }
.hero-bg .b1 { width: 320px; height: 320px; top: -80px; left: -100px; }
.hero-bg .b2 { width: 180px; height: 180px; bottom: 20%; right: 46%; animation-delay: -4s; }
.hero-bg .b3 { width: 90px; height: 90px; top: 20%; right: 5%; animation-delay: -8s; }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-24px); } }

.hero-title { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: 1.25rem; }
html[lang="bn"] .hero-title { letter-spacing: 0; line-height: 1.3; }
.hero-lead { font-size: 1.12rem; max-width: 540px; margin-bottom: 2rem; }

.hero-checks { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin: 0; }
.hero-checks li { font-weight: 500; color: var(--ink); font-size: .95rem; }
.hero-checks i { color: var(--aqua); margin-right: .3rem; }

.hero-visual { position: relative; max-width: 520px; margin-left: auto; }
.hero-visual > img {
  width: 100%; aspect-ratio: 9 / 10; object-fit: cover;
  border-radius: 200px 200px var(--radius) var(--radius); box-shadow: var(--shadow-lg);
}

.float-card {
  position: absolute; display: flex; align-items: center; gap: .8rem;
  background: rgba(255, 255, 255, .95); backdrop-filter: blur(10px);
  padding: .9rem 1.1rem; border-radius: var(--radius-sm); box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}
.float-card strong { display: block; color: var(--navy); font-size: .95rem; }
.float-card small { color: var(--muted); font-size: .78rem; }
.fc-top { top: 12%; left: -40px; }
.fc-bottom { bottom: 10%; right: -24px; animation-delay: -3s; }
.fc-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-light); color: var(--brand); font-size: 1.3rem; flex-shrink: 0; }
.fc-icon.alt { background: var(--aqua-light); color: var(--aqua); }

.stats-bar { margin-top: 70px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.8rem 1rem; }
.stat { padding: .8rem; position: relative; }
.stat-num { display: block; font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 800; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.stat-label { color: var(--muted); font-size: .9rem; font-weight: 500; }
@media (min-width: 768px) {
  .stat:not(:last-child)::after { content: ""; position: absolute; right: 0; top: 20%; height: 60%; width: 1px; background: var(--line); }
}

/* Solutions
   ========================================================================== */
.solution-card {
  height: 100%; background: var(--white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  display: flex; flex-direction: column;
}
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.solution-img { aspect-ratio: 3 / 2; overflow: hidden; }
.solution-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.solution-card:hover .solution-img img { transform: scale(1.08); }
.solution-body { padding: 0 1.5rem 1.5rem; position: relative; flex: 1; display: flex; flex-direction: column; }
.solution-body p { flex: 1; font-size: .95rem; }
.solution-icon {
  width: 56px; height: 56px; margin-top: -28px; margin-bottom: 1rem; border-radius: 16px;
  display: grid; place-items: center; background: var(--gradient); color: #fff; font-size: 1.5rem;
  box-shadow: 0 10px 24px rgba(45, 79, 196, .3); position: relative;
}
.solution-card h3 { font-size: 1.2rem; margin-bottom: .6rem; }
.solution-card.featured { border-color: transparent; box-shadow: 0 0 0 2px var(--aqua), var(--shadow); }

/* Why
   ========================================================================== */
.why-visual { position: relative; }
.why-visual img { width: 100%; aspect-ratio: 8 / 9; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.why-badge {
  position: absolute; bottom: -24px; right: -10px; display: flex; align-items: center; gap: .8rem;
  background: var(--gradient); color: #fff; padding: 1.1rem 1.4rem; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
}
.why-badge i { font-size: 2rem; }
.why-badge strong, .why-badge span { display: block; line-height: 1.25; }
.why-badge span { font-weight: 700; font-size: 1.15rem; }

.feature {
  display: flex; gap: 1rem; height: 100%; padding: 1.2rem; background: var(--white);
  border-radius: var(--radius-sm); border: 1px solid var(--line); transition: all .3s var(--ease);
}
.feature:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-4px); }
.feature-icon { width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; background: var(--brand-light); color: var(--brand); font-size: 1.35rem; transition: all .3s; }
.feature:hover .feature-icon { background: var(--gradient); color: #fff; }
.feature h3 { font-size: 1.02rem; margin-bottom: .3rem; }
.feature p { font-size: .9rem; margin: 0; }

/* Plant
   ========================================================================== */
.plant { background: linear-gradient(135deg, var(--navy) 0%, var(--brand-dark) 60%, var(--brand) 100%); color: #fff; overflow: hidden; }
.plant::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 400px at 90% 20%, rgba(20, 184, 212, .35), transparent 60%);
}
.plant .container { position: relative; }
.plant h2 { color: #fff; }
.plant p { color: rgba(255, 255, 255, .8); }

.plant-list li { display: flex; gap: .7rem; align-items: flex-start; margin-bottom: .8rem; color: rgba(255, 255, 255, .92); }
.plant-list i { color: var(--aqua); font-size: 1.2rem; line-height: 1.4; }

.plant-capacity { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin: 1.8rem 0 2rem; }
.cap { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .15); border-radius: var(--radius-sm); padding: 1rem .6rem; text-align: center; }
.cap strong { display: block; font-size: clamp(1.25rem, 2.4vw, 1.6rem); font-weight: 800; }
.cap span { font-size: .78rem; color: rgba(255, 255, 255, .7); }

.plant-visual { position: relative; padding: 0 0 40px 40px; }
.pv-main { width: 100%; aspect-ratio: 9 / 7; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.pv-small {
  position: absolute; left: 0; bottom: 0; width: 42%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--radius); border: 6px solid var(--white); box-shadow: var(--shadow-lg);
}

/* Plant video
   ========================================================================== */
.video-section { overflow: hidden; }
.video-section::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 380px at 50% 55%, rgba(20, 184, 212, .14), transparent 70%);
}
.video-section .container { position: relative; }

.video-stage { position: relative; max-width: 980px; margin: 0 auto; }
.video-stage::before {
  content: ""; position: absolute; inset: 8% 6% -6%; z-index: 0; border-radius: 40px;
  background: var(--gradient); filter: blur(48px); opacity: .28;
}

.video-player {
  position: relative; z-index: 1; aspect-ratio: 16 / 9; border-radius: 24px; overflow: hidden;
  background: var(--navy); padding: 6px;
  background-image: linear-gradient(135deg, rgba(255, 255, 255, .35), rgba(255, 255, 255, .05)), var(--gradient);
  box-shadow: var(--shadow-lg);
}
.video-poster, .video-player iframe { display: block; width: 100%; height: 100%; border-radius: 19px; border: 0; }
.video-player iframe { background: #000; }

.video-poster { position: relative; overflow: hidden; color: #fff; cursor: pointer; }
.video-poster img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.video-poster::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 27, 63, .05) 40%, rgba(11, 27, 63, .82) 100%);
  transition: background-color .4s var(--ease);
}
.video-poster:hover img, .video-poster:focus-visible img { transform: scale(1.04); }
.video-poster:hover::after { background-color: rgba(11, 27, 63, .15); }
.video-poster:focus-visible { outline: 3px solid var(--aqua); outline-offset: -6px; }

.video-play {
  position: absolute; top: 50%; left: 50%; z-index: 2; width: 92px; height: 92px; border-radius: 50%;
  transform: translate(-50%, -50%); display: grid; place-items: center;
  background: rgba(255, 255, 255, .95); color: var(--brand); font-size: 2.6rem;
  box-shadow: 0 18px 40px rgba(11, 27, 63, .35); transition: transform .35s var(--ease), background .35s, color .35s;
}
.video-play i { margin-left: 6px; line-height: 1; }
.video-play::before, .video-play::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; z-index: -1;
  border: 2px solid rgba(255, 255, 255, .7); animation: ripple 2.4s ease-out infinite;
}
.video-play::after { animation-delay: 1.2s; }
.video-poster:hover .video-play, .video-poster:focus-visible .video-play {
  transform: translate(-50%, -50%) scale(1.08); background: var(--gradient); color: #fff;
}
@keyframes ripple { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(1.9); opacity: 0; } }

.video-caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 1.6rem 1.8rem;
  display: flex; flex-direction: column; align-items: flex-start; gap: .5rem; text-align: left;
}
.video-caption strong { font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 700; line-height: 1.3; text-shadow: 0 2px 12px rgba(0, 0, 0, .35); }
.video-live {
  display: inline-flex; align-items: center; gap: .4rem; font-size: .78rem; font-weight: 600;
  padding: .3rem .8rem; border-radius: 50px; background: rgba(255, 255, 255, .16);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, .25);
}

.video-loader {
  position: absolute; inset: 6px; z-index: 3; border-radius: 19px; display: none; place-items: center;
  background: rgba(11, 27, 63, .75); pointer-events: none;
}
.video-loader span {
  width: 48px; height: 48px; border-radius: 50%; border: 4px solid rgba(255, 255, 255, .25);
  border-top-color: var(--aqua); animation: spin .8s linear infinite;
}
.video-player.is-loading .video-loader { display: grid; }
@keyframes spin { to { transform: rotate(360deg); } }

.video-points { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin: 2.6rem auto 2rem; max-width: 860px; }
.video-points li {
  display: inline-flex; align-items: center; gap: .5rem; padding: .6rem 1.1rem; border-radius: 50px;
  background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  font-weight: 500; font-size: .92rem; color: var(--ink);
}
.video-points i { color: var(--brand); font-size: 1.05rem; }

/* Products
   ========================================================================== */
.product-card {
  position: relative; height: 100%; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-tag { position: absolute; top: 1rem; left: 1rem; z-index: 1; background: var(--brand); color: #fff; font-size: .72rem; font-weight: 600; padding: .3rem .8rem; border-radius: 50px; }
.product-tag.alt { background: var(--aqua); }

.product-visual { display: grid; place-items: center; padding: 2rem 1rem; background: linear-gradient(160deg, var(--soft), var(--aqua-light)); }
.product-visual svg { width: 110px; height: 146px; transition: transform .5s var(--ease); filter: drop-shadow(0 12px 20px rgba(15, 35, 95, .15)); }
.product-card:hover .product-visual svg { transform: translateY(-6px) scale(1.04); }
.tone-1 { color: var(--brand); }
.tone-2 { color: #0e9fb9; }
.tone-3 { color: #6a4fd8; }
.tone-4 { color: var(--navy); }
.tone-5 { color: #c2410c; }
.tone-6 { color: #0f766e; }

.product-body { padding: 1.4rem 1.5rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.product-body h3 { font-size: 1.15rem; margin-bottom: .8rem; }
.product-specs { list-style: none; padding: 0; margin: 0 0 1.2rem; display: flex; flex-wrap: wrap; gap: .4rem; flex: 1; align-content: flex-start; }
.product-specs li { font-size: .8rem; color: var(--muted); background: var(--soft); padding: .3rem .7rem; border-radius: 50px; }
.product-specs i { color: var(--brand); margin-right: .2rem; }
.product-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; padding-top: 1rem; border-top: 1px dashed var(--line); }
.price { font-weight: 600; color: var(--navy); font-size: .92rem; }

/* Pricing
   ========================================================================== */
.price-card {
  position: relative; height: 100%; display: flex; flex-direction: column;
  background: var(--white); border-radius: var(--radius); padding: 2.2rem 2rem; border: 1px solid var(--line);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.popular { border: 2px solid var(--brand); box-shadow: var(--shadow); }
@media (min-width: 992px) { .price-card.popular { transform: scale(1.04); } .price-card.popular:hover { transform: scale(1.04) translateY(-6px); } }
.popular-tag { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--gradient); color: #fff; font-size: .75rem; font-weight: 600; padding: .35rem 1rem; border-radius: 50px; white-space: nowrap; }
.price-icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: var(--brand-light); color: var(--brand); font-size: 1.5rem; margin-bottom: 1.2rem; }
.price-card h3 { font-size: 1.25rem; margin-bottom: .4rem; }
.price-amount { font-size: 2.2rem; font-weight: 800; color: var(--navy); margin-bottom: 1.2rem; }
.price-amount small { font-size: .85rem; font-weight: 500; color: var(--muted); }
.price-card ul { flex: 1; margin-bottom: 1.6rem; }
.price-card li { padding: .4rem 0; color: var(--ink); font-size: .95rem; }
.price-card li i { color: var(--aqua); margin-right: .4rem; font-weight: 700; }

/* Process
   ========================================================================== */
.process { margin: 0; }
.step { position: relative; height: 100%; text-align: center; padding: 2.2rem 1.5rem; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); transition: all .35s var(--ease); }
.step:hover { box-shadow: var(--shadow); transform: translateY(-6px); border-color: transparent; }
.step-num { position: absolute; top: 1rem; right: 1.2rem; font-size: 2.2rem; font-weight: 800; color: var(--brand-light); line-height: 1; }
.step-icon { width: 70px; height: 70px; margin: 0 auto 1.2rem; border-radius: 50%; display: grid; place-items: center; background: var(--gradient); color: #fff; font-size: 1.7rem; box-shadow: 0 0 0 8px var(--brand-light); }
.step h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.step p { font-size: .92rem; margin: 0; }

/* Projects
   ========================================================================== */
.project { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1; }
.project.large { aspect-ratio: auto; height: 100%; min-height: 300px; }
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.project:hover img { transform: scale(1.08); }
.project figcaption {
  position: absolute; inset: auto 0 0 0; padding: 2.5rem 1.2rem 1.1rem;
  background: linear-gradient(transparent, rgba(11, 27, 63, .85)); color: #fff;
}
.project figcaption span { display: block; font-weight: 600; font-size: 1.05rem; }
.project figcaption small { color: rgba(255, 255, 255, .8); }

/* Testimonials
   ========================================================================== */
.review-carousel { max-width: 820px; margin: 0 auto; }
.review { margin: 0; text-align: center; padding: 2.5rem 2rem; background: var(--soft); border-radius: var(--radius); position: relative; }
.review::before { content: "\201C"; position: absolute; top: -10px; left: 24px; font-size: 7rem; line-height: 1; color: var(--brand); opacity: .12; font-family: Georgia, serif; }
.review .stars { color: #f5b301; margin-bottom: 1rem; letter-spacing: .15rem; }
.review p { font-size: clamp(1rem, 1.6vw, 1.2rem); color: var(--ink); font-style: italic; margin-bottom: 1.5rem; }
.review footer { display: inline-flex; align-items: center; gap: .9rem; text-align: left; }
.review footer strong { display: block; color: var(--navy); }
.review footer small { color: var(--muted); }
.avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--gradient); color: #fff; display: grid; place-items: center; font-weight: 700; }

.carousel-controls { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-top: 1.6rem; }
.carousel-btn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: var(--white); color: var(--brand); display: grid; place-items: center; transition: all .25s; }
.carousel-btn:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.review-carousel .carousel-indicators [data-bs-target] { width: 10px; height: 10px; border-radius: 50%; background: var(--brand); border: 0; margin: 0 4px; opacity: .25; }
.review-carousel .carousel-indicators .active { opacity: 1; width: 26px; border-radius: 10px; }

/* CTA band
   ========================================================================== */
.cta-band { padding: 0 0 100px; }
.cta-inner {
  position: relative; overflow: hidden; border-radius: 28px; padding: 3.5rem;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem;
  background: linear-gradient(120deg, rgba(30, 58, 154, .94), rgba(20, 184, 212, .88)),
              url("https://images.unsplash.com/photo-1538300342682-cf57afb97285?w=1400&q=70&auto=format&fit=crop") center / cover;
  box-shadow: var(--shadow-lg);
}
.cta-inner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: .5rem; }
.cta-inner p { color: rgba(255, 255, 255, .88); margin: 0; font-size: 1.05rem; }

/* FAQ
   ========================================================================== */
.faq-accordion .accordion-item { border: 1px solid var(--line); border-radius: var(--radius-sm) !important; margin-bottom: 1rem; overflow: hidden; background: var(--white); }
.faq-accordion .accordion-button { font-weight: 600; color: var(--navy); font-size: 1.02rem; padding: 1.2rem 1.4rem; background: var(--white); box-shadow: none; }
.faq-accordion .accordion-button:not(.collapsed) { color: var(--brand); background: var(--brand-light); }
.faq-accordion .accordion-button:focus { box-shadow: inset 0 0 0 2px var(--aqua); }
.faq-accordion .accordion-body { color: var(--muted); padding: 1.2rem 1.4rem; }

/* Contact
   ========================================================================== */
.contact-info { height: 100%; display: flex; flex-direction: column; gap: 1rem; }
.info-item { display: flex; gap: 1rem; padding: 1.2rem; background: var(--white); border-radius: var(--radius-sm); border: 1px solid var(--line); }
.info-item > div { min-width: 0; }
.info-item h3 { font-size: 1rem; margin-bottom: .25rem; }
.info-item p { margin: 0; font-size: .95rem; overflow-wrap: anywhere; }
.info-icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; background: var(--gradient); color: #fff; font-size: 1.2rem; }
.map-wrap { flex: 1; min-height: 240px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); }
.map-wrap iframe { width: 100%; height: 100%; min-height: 240px; border: 0; display: block; }

.contact-form { background: var(--white); padding: 2.4rem; border-radius: var(--radius); box-shadow: var(--shadow); height: 100%; }
.contact-form .form-label { font-weight: 500; color: var(--navy); font-size: .92rem; }
.contact-form .form-control, .contact-form .form-select { border-radius: var(--radius-sm); border-color: var(--line); padding: .8rem 1rem; background-color: var(--soft); }
.contact-form .form-control:focus, .contact-form .form-select:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(45, 79, 196, .12); background-color: var(--white); }
.form-note { font-size: .82rem; text-align: center; margin: .8rem 0 0; }

/* Footer
   ========================================================================== */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .7); padding: 80px 0 0; }
.site-footer p { color: rgba(255, 255, 255, .7); }
.site-footer h3 { color: #fff; font-size: 1.05rem; margin-bottom: 1.2rem; }
.site-footer a { color: rgba(255, 255, 255, .75); }
.site-footer a:hover { color: var(--aqua); }
.site-footer li { margin-bottom: .6rem; }
.footer-logo { display: inline-block; background: #fff; padding: .5rem .8rem; border-radius: var(--radius-sm); margin-bottom: 1.2rem; }
.footer-logo img { height: 42px; width: auto; }
.footer-contact i { color: var(--aqua); margin-right: .4rem; }
.footer-contact li { overflow-wrap: anywhere; }
.social { display: flex; gap: .6rem; }
.social a { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .08); color: #fff; transition: all .25s; }
.social a:hover { background: var(--gradient); color: #fff; transform: translateY(-3px); }
.footer-bottom { margin-top: 3rem; padding: 1.5rem 0; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; font-size: .88rem; }

/* Floating actions
   ========================================================================== */
.fab-whatsapp {
  position: fixed; right: 24px; bottom: 24px; z-index: 1030; width: 58px; height: 58px; border-radius: 50%;
  align-items: center; justify-content: center; background: var(--whatsapp); color: #fff; font-size: 1.7rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, .45); transition: transform .25s;
}
.fab-whatsapp::before { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--whatsapp); z-index: -1; animation: pulse 2.2s infinite; }
.fab-whatsapp:hover { color: #fff; transform: scale(1.08); }
@keyframes pulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.7); opacity: 0; } }

.back-to-top {
  position: fixed; right: 32px; bottom: 96px; z-index: 1030; width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: var(--navy); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--brand); }

.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 1030; display: flex;
  box-shadow: 0 -6px 20px rgba(15, 35, 95, .12); padding-bottom: env(safe-area-inset-bottom); background: var(--white);
}
.mobile-cta a { flex: 1; display: flex; align-items: center; justify-content: center; gap: .5rem; padding: .95rem; font-weight: 600; color: #fff; }
.mc-call { background: var(--brand); }
.mc-wa { background: var(--whatsapp); }

/* Responsive
   ========================================================================== */
@media (max-width: 1199.98px) {
  .fc-top { left: -10px; }
  .fc-bottom { right: -10px; }
}

@media (max-width: 991.98px) {
  .section { padding: 80px 0; }
  .hero { padding: 50px 0; text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero .d-flex.flex-wrap, .hero-checks { justify-content: center; }
  .hero-visual { margin: 0 auto; max-width: 440px; }
  .why-visual { max-width: 480px; margin: 0 auto 1.5rem; }
  .plant-visual { max-width: 560px; margin: 0 auto; }
  .cta-inner { padding: 2.5rem; text-align: center; justify-content: center; }
  .cta-inner > div:first-child { width: 100%; }
  .cta-inner .d-flex { justify-content: center; }
  .stats-bar { margin-top: 56px; }

  /* Side-sliding reveals push content past the viewport on narrow screens */
  [data-aos="fade-left"], [data-aos="fade-right"] { transform: translate3d(0, 40px, 0); }
}

@media (max-width: 767.98px) {
  :root { --header-h: 68px; }
  body { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 2.5rem; }
  .section-head p { font-size: 1rem; }
  .navbar { padding: .6rem 0; }
  .navbar-brand img { height: 40px; }
  .site-header.scrolled .navbar-brand img { height: 36px; }
  .hero { padding: 36px 0 44px; }
  .hero-lead { font-size: 1.02rem; margin-bottom: 1.6rem; }
  .stats-bar { margin-top: 44px; padding: 1rem .5rem; }
  .stat { padding: 1rem .5rem; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat:nth-child(odd) { border-right: 1px solid var(--line); }
  .cta-band { padding-bottom: 64px; }
  .contact-form { padding: 1.6rem; }
  .price-card { padding: 2rem 1.5rem; }
  .back-to-top { right: 16px; bottom: calc(74px + env(safe-area-inset-bottom)); width: 42px; height: 42px; }
  .site-footer { padding-top: 56px; }
  .footer-bottom { margin-top: 2rem; justify-content: center; text-align: center; }
  .project.large { min-height: 240px; }
  .mobile-cta a { min-height: 56px; }
}

@media (max-width: 575.98px) {
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 2rem; }
  .eyebrow { font-size: .72rem; padding: .35rem .85rem; }

  /* Hero */
  .hero-title { font-size: clamp(1.75rem, 8vw, 2.1rem); }
  .hero .btn-lg { width: 100%; }
  .hero-checks { gap: .4rem 1rem; }
  .hero-checks li { font-size: .88rem; }
  .hero-visual { max-width: 360px; }
  .hero-visual > img { border-radius: 160px 160px var(--radius) var(--radius); }
  .fc-top { left: 0; top: 10%; }
  .fc-bottom { right: 0; bottom: 8%; }
  .float-card { padding: .6rem .8rem; gap: .5rem; }
  .float-card strong { font-size: .82rem; }
  .float-card small { display: none; }
  .fc-icon { width: 36px; height: 36px; font-size: 1.05rem; }
  .stat-label { font-size: .8rem; }

  /* Why */
  .why-badge { right: 10px; bottom: -20px; padding: .8rem 1rem; }
  .why-badge i { font-size: 1.6rem; }
  .feature { padding: 1rem; }

  /* Plant */
  .plant-visual { padding: 0 0 28px 28px; }
  .pv-small { border-width: 4px; }
  .plant-capacity { gap: .5rem; margin: 1.4rem 0 1.6rem; }
  .cap { padding: .8rem .4rem; }
  .cap span { font-size: .7rem; }
  .plant .btn-lg { width: 100%; }

  /* Video */
  .video-player { border-radius: 16px; padding: 4px; }
  .video-poster, .video-player iframe, .video-loader { border-radius: 13px; }
  .video-loader { inset: 4px; }
  .video-play { width: 64px; height: 64px; font-size: 1.9rem; }
  .video-play i { margin-left: 4px; }
  .video-caption { padding: .9rem 1rem; gap: .35rem; }
  .video-caption strong { display: none; }
  .video-live { font-size: .68rem; padding: .2rem .6rem; }
  .video-points { gap: .5rem; margin: 1.8rem auto 1.6rem; }
  .video-points li { font-size: .82rem; padding: .5rem .85rem; }
  .video-section .btn-lg { width: 100%; }

  /* Products & pricing */
  .solution-img { aspect-ratio: 16 / 9; }
  .solution-body { padding: 0 1.25rem 1.25rem; }
  .product-visual { padding: 1.4rem 1rem; }
  .product-visual svg { width: 80px; height: 106px; }
  .product-body { padding: 1.2rem 1.25rem 1.25rem; }
  .price-card { padding: 1.8rem 1.3rem; }
  .price-amount { font-size: 1.9rem; }
  .step { padding: 1.8rem 1.25rem; }

  /* Projects */
  .project.large { min-height: 210px; }
  .project figcaption { padding: 1.8rem .8rem .7rem; }
  .project figcaption span { font-size: .88rem; line-height: 1.3; }
  .project figcaption small { font-size: .75rem; }

  /* Reviews */
  .review { padding: 2rem 1.2rem; }
  .review::before { font-size: 5rem; left: 14px; }
  .review footer { gap: .7rem; }
  .avatar { width: 44px; height: 44px; font-size: .9rem; flex-shrink: 0; }

  /* CTA, FAQ, contact */
  .cta-band { padding-bottom: 56px; }
  .cta-inner { padding: 2rem 1.4rem; border-radius: 20px; gap: 1.5rem; }
  .cta-inner p { font-size: .98rem; }
  .cta-inner .btn { width: 100%; }
  .faq-accordion .accordion-button { font-size: .96rem; padding: 1rem 1.1rem; }
  .faq-accordion .accordion-body { padding: 1rem 1.1rem; font-size: .95rem; }
  .info-item { padding: 1rem; gap: .85rem; }
  .info-icon { width: 42px; height: 42px; font-size: 1.1rem; }
  .map-wrap, .map-wrap iframe { min-height: 220px; }
  .contact-form { padding: 1.4rem 1.1rem; }
}

@media (max-width: 380px) {
  .site-header .lang-toggle span { padding-inline: .45rem; }
  .navbar-brand img { height: 36px; }
  .section-head h2 { font-size: 1.55rem; }
  .plant-capacity { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cap strong { font-size: 1.1rem; }
  .cap span { font-size: .65rem; }
  .mobile-cta a { font-size: .92rem; padding: .85rem .5rem; }
}

/* Touch screens: no sticky hover lifts after a tap */
@media (hover: none) {
  .solution-card:hover, .product-card:hover, .price-card:hover:not(.popular),
  .step:hover, .feature:hover, .btn:hover { transform: none; }
  .solution-card:hover .solution-img img, .project:hover img,
  .product-card:hover .product-visual svg, .video-poster:hover img { transform: none; }
}

/* Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}