/* ============ TOKENS ============ */
:root {
  --blue-900: #05304f;
  --blue-800: #073a63;
  --blue-700: #0a4d82;
  --blue-600: #0e6ba8;
  --blue-500: #1487c9;
  --cyan-400: #22b6e0;
  --cyan-300: #62d0ee;
  --cyan-100: #dff6fd;
  --green-500: #6fbf3f;
  --green-400: #8dc63f;
  --violet-400: #7c6fe0;
  --amber-400: #f0a93e;
  --coral-400: #ef7d6b;

  --ink: #102233;
  --ink-soft: #4a5b6b;
  --paper: #ffffff;
  --paper-soft: #f4f9fc;
  --surface: #ffffff;
  --line: #e2ecf2;
  --chip-tint: var(--cyan-100);
  --header-glass: rgba(255, 255, 255, .7);
  --header-glass-scrolled: rgba(255, 255, 255, .92);
  --marquee-fade: #ffffff;

  --font-display: 'Sora', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --shadow-sm: 0 2px 10px rgba(9, 55, 92, 0.06);
  --shadow-md: 0 12px 32px rgba(9, 55, 92, 0.1);
  --shadow-lg: 0 24px 60px rgba(9, 55, 92, 0.16);
  --radius: 18px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

:root[data-theme="dark"] {
  --ink: #eaf4fa;
  --ink-soft: #9fb7c7;
  --paper: #071b28;
  --paper-soft: #0a2333;
  --surface: #0e2c40;
  --line: rgba(255, 255, 255, .09);
  --chip-tint: rgba(98, 208, 238, .14);
  --header-glass: rgba(7, 27, 40, .68);
  --header-glass-scrolled: rgba(7, 27, 40, .92);
  --marquee-fade: #071b28;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.38);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.48);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .4s var(--ease), color .4s var(--ease);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--blue-900); line-height: 1.15; }
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3, [data-theme="dark"] h4 { color: #f2f9fc; }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ============ PRELOADER ============ */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: linear-gradient(160deg, #ffffff 0%, #eef7fb 100%);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
[data-theme="dark"] .preloader { background: linear-gradient(160deg, #071b28 0%, #0a2333 100%); }
.preloader.loaded { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.preloader-drop { animation: dropPulse 1.4s ease-in-out infinite; }
@keyframes dropPulse {
  0%, 100% { transform: translateY(0) scale(1); opacity: .85; }
  50% { transform: translateY(-8px) scale(1.06); opacity: 1; }
}
.drop-path {
  fill: rgba(34, 182, 224, .15);
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
  animation: dropDraw 1.6s var(--ease) infinite;
}
@keyframes dropDraw {
  0% { stroke-dashoffset: 220; }
  60%, 100% { stroke-dashoffset: 0; }
}
.preloader-word {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: .35em;
  font-size: 15px;
  color: var(--blue-700);
  padding-left: 6px;
}
.preloader-bar {
  width: 160px; height: 3px; border-radius: 3px;
  background: var(--line); overflow: hidden;
}
.preloader-bar span {
  display: block; height: 100%; width: 40%;
  background: linear-gradient(90deg, var(--cyan-400), var(--green-500));
  animation: barSlide 1.1s ease-in-out infinite;
}
@keyframes barSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ============ PARTICLES ============ */
#particles-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; opacity: .6;
}
[data-theme="dark"] #particles-canvas { opacity: .8; mix-blend-mode: screen; }

/* ============ HEADER ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  border-bottom: 1px solid transparent;
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: var(--header-glass);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  transition: background .35s var(--ease);
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.site-header.scrolled::before {
  background: var(--header-glass-scrolled);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 84px; gap: 24px;
}
.brand-logo {
  height: 40px; width: auto; display: block;
  background: #fff; border-radius: 12px; padding: 5px 10px;
  box-shadow: var(--shadow-sm);
}

.main-nav ul { display: flex; gap: 30px; }
.main-nav a {
  font-weight: 600; font-size: 14.5px; color: var(--ink);
  position: relative; padding: 6px 0;
}
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--cyan-400), var(--green-500));
  transition: width .3s var(--ease);
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }

.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1.5px solid var(--line); color: var(--blue-700);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .25s, background .25s, transform .3s var(--ease);
  position: relative;
}
.theme-toggle:hover { border-color: var(--cyan-400); background: var(--chip-tint); transform: rotate(12deg); }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; color: var(--cyan-300); }

.lang-toggle {
  display: flex; align-items: center; gap: 3px;
  font-weight: 700; font-size: 13px; color: var(--blue-700);
  border: 1.5px solid var(--line); border-radius: 20px; padding: 7px 13px;
  transition: border-color .25s, background .25s;
}
[data-theme="dark"] .lang-toggle { color: var(--cyan-300); }
.lang-toggle:hover { border-color: var(--cyan-400); background: var(--chip-tint); }
.lang-toggle .lang-current { color: var(--blue-700); }
[data-theme="dark"] .lang-toggle .lang-current { color: var(--cyan-300); }
.lang-toggle .lang-sep { color: var(--ink-soft); opacity: .5; }
.lang-toggle .lang-other { color: var(--ink-soft); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14.5px; padding: 13px 26px;
  border-radius: 999px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, var(--cyan-400), var(--blue-600));
  color: #fff; box-shadow: 0 10px 24px rgba(20, 135, 201, .32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(20, 135, 201, .4); }
.btn-ghost {
  background: transparent; color: var(--blue-700);
  border: 1.5px solid var(--line);
}
[data-theme="dark"] .btn-ghost { color: var(--cyan-300); }
.btn-ghost:hover { border-color: var(--cyan-400); background: var(--chip-tint); transform: translateY(-2px); }
.btn-primary-inverse {
  background: #fff; color: var(--blue-700); box-shadow: var(--shadow-md);
}
.btn-primary-inverse:hover { transform: translateY(-2px); }
.btn-header { padding: 11px 22px; font-size: 13.5px; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 26px; }
.menu-toggle span { display: block; height: 2.5px; width: 100%; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.menu-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 168px 0 120px;
  background: linear-gradient(180deg, var(--paper-soft) 0%, var(--paper) 65%);
  overflow: hidden;
}
.hero-video-wrap {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  opacity: .28;
}
[data-theme="dark"] .hero-video-wrap { opacity: .4; }
.hero-video-wrap.no-video { display: none; }
.hero-video-wrap video {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-video-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--paper) 0%, transparent 30%, var(--paper) 100%);
}
.hero-bg-shapes { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.wave-shape { position: absolute; bottom: -2px; left: 0; width: 100%; height: 220px; fill: var(--chip-tint); opacity: .6; }

.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center;
}
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .04em;
  color: var(--blue-700); background: var(--chip-tint); padding: 8px 16px;
  border-radius: 999px; margin-bottom: 22px;
}
[data-theme="dark"] .eyebrow { color: var(--cyan-300); }
.hero-content h1 {
  font-size: clamp(2.3rem, 4.2vw, 3.4rem);
  font-weight: 800; margin-bottom: 22px; letter-spacing: -.01em;
  background: linear-gradient(100deg, var(--blue-900) 30%, var(--blue-600) 60%, var(--cyan-400) 85%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
[data-theme="dark"] .hero-content h1 { background: linear-gradient(100deg, #f2f9fc 25%, var(--cyan-300) 70%, var(--green-400) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-lead { font-size: 17.5px; color: var(--ink-soft); line-height: 1.7; max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }

.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; color: var(--blue-700); display: inline; }
[data-theme="dark"] .stat-num { color: var(--cyan-300); }
.stat-suffix { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; color: var(--green-500); }
.stat-label { font-size: 13px; color: var(--ink-soft); font-weight: 600; max-width: 150px; margin-top: 4px; }

.hero-visual { position: relative; height: 460px; display: flex; align-items: center; justify-content: center; }
.water-orb { position: relative; width: 280px; height: 280px; display: flex; align-items: center; justify-content: center; }
.ripple {
  position: absolute; border-radius: 50%;
  border: 1.5px solid rgba(34, 182, 224, .35);
  animation: rippleOut 3.6s var(--ease) infinite;
}
.r1 { width: 100%; height: 100%; animation-delay: 0s; }
.r2 { width: 100%; height: 100%; animation-delay: 1.1s; }
.r3 { width: 100%; height: 100%; animation-delay: 2.2s; }
@keyframes rippleOut {
  0% { transform: scale(.55); opacity: 0; }
  20% { opacity: .8; }
  100% { transform: scale(1); opacity: 0; }
}
.orb-core {
  position: relative; width: 190px; height: 190px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #eafcff, var(--cyan-300) 45%, var(--blue-600) 100%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 30px 60px rgba(14, 107, 168, .35), inset 0 -10px 30px rgba(5, 48, 79, .25);
  animation: floatY 5s ease-in-out infinite;
}
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.floating-card {
  position: absolute; background: var(--surface); border-radius: 14px; padding: 14px 18px;
  box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 2px;
  animation: floatY 6s ease-in-out infinite;
  border-left: 3px solid var(--cyan-400);
}
.card-2 { border-left-color: var(--green-500); }
.floating-card strong { font-family: var(--font-display); font-size: 14px; color: var(--ink); }
.floating-card span { font-size: 12px; color: var(--ink-soft); }
.card-1 { top: 8%; left: -6%; animation-delay: .4s; }
.card-2 { bottom: 6%; right: -8%; animation-delay: 1.4s; }

/* ============ SECTION GENERIC ============ */
.section { position: relative; padding: 110px 0; z-index: 1; overflow: hidden; }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; position: relative; z-index: 2; }
.section-head.light h2, .section-head.light p { color: #fff; }
.section-tag {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .05em;
  color: var(--blue-700); background: var(--chip-tint); padding: 7px 16px;
  border-radius: 999px; margin-bottom: 16px;
}
[data-theme="dark"] .section-tag { color: var(--cyan-300); }
.section-tag.light { background: rgba(255,255,255,.14); color: #dff6fd; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 16px; }
.section-head p { color: var(--ink-soft); font-size: 16px; line-height: 1.7; }

/* ---- decorative color blobs (creative movement) ---- */
.section-blob {
  position: absolute; border-radius: 50%; filter: blur(70px);
  pointer-events: none; z-index: 0; opacity: .35;
  animation: blobDrift 16s ease-in-out infinite;
}
[data-theme="dark"] .section-blob { opacity: .28; }
@keyframes blobDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -24px) scale(1.08); }
  66% { transform: translate(-24px, 18px) scale(.94); }
}

/* ============ ABOUT / VALUES ============ */
.about { background: var(--paper-soft); }
.about .section-blob.b1 { width: 380px; height: 380px; top: -120px; left: -100px; background: var(--cyan-400); }
.about .section-blob.b2 { width: 320px; height: 320px; bottom: -140px; right: -80px; background: var(--green-400); animation-delay: -6s; }

.cycle-diagram {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 10px; margin-bottom: 70px; position: relative; z-index: 2;
}
.cycle-step { display: flex; flex-direction: column; align-items: center; gap: 10px; width: 130px; }
.cycle-dot {
  width: 18px; height: 18px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--cyan-300), var(--blue-600));
  box-shadow: 0 0 0 8px rgba(34, 182, 224, .12);
  animation: cyclePulse 2.4s ease-in-out infinite;
}
.cycle-step:nth-child(3) .cycle-dot { background: radial-gradient(circle at 35% 30%, #b9f0c9, var(--green-500)); box-shadow: 0 0 0 8px rgba(111, 191, 63, .14); animation-delay: .6s; }
.cycle-step:nth-child(5) .cycle-dot { background: radial-gradient(circle at 35% 30%, #cddcff, var(--violet-400)); box-shadow: 0 0 0 8px rgba(124, 111, 224, .14); animation-delay: 1.2s; }
.cycle-step:nth-child(7) .cycle-dot { background: radial-gradient(circle at 35% 30%, #ffe3c2, var(--amber-400)); box-shadow: 0 0 0 8px rgba(240, 169, 62, .14); animation-delay: 1.8s; }
@keyframes cyclePulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.18); } }
.cycle-step p { font-size: 13px; font-weight: 700; color: var(--ink); text-align: center; }
.cycle-line { width: 60px; height: 2px; background: repeating-linear-gradient(90deg, var(--cyan-400) 0 6px, transparent 6px 12px); margin-bottom: 26px; }

.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; z-index: 2; }
.value-card {
  background: var(--surface); border-radius: var(--radius); padding: 30px 24px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  position: relative; overflow: hidden;
}
.value-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--cyan-400), var(--blue-600));
}
.value-card:hover { transform: translateY(-8px) rotate(-.4deg); box-shadow: var(--shadow-md); }
.value-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--cyan-300), var(--blue-600));
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 10px 22px rgba(20, 135, 201, .28);
  animation: floatY 4.5s ease-in-out infinite;
}
.value-card:nth-child(2)::before { background: linear-gradient(90deg, var(--green-400), var(--green-500)); }
.value-card:nth-child(2) .value-icon { background: linear-gradient(135deg, #b9f0c9, var(--green-500)); box-shadow: 0 10px 22px rgba(111, 191, 63, .3); animation-delay: .3s; }
.value-card:nth-child(3)::before { background: linear-gradient(90deg, var(--violet-400), #5b4bc4); }
.value-card:nth-child(3) .value-icon { background: linear-gradient(135deg, #cddcff, var(--violet-400)); box-shadow: 0 10px 22px rgba(124, 111, 224, .3); animation-delay: .6s; }
.value-card:nth-child(4)::before { background: linear-gradient(90deg, var(--amber-400), var(--coral-400)); }
.value-card:nth-child(4) .value-icon { background: linear-gradient(135deg, #ffe3c2, var(--amber-400)); box-shadow: 0 10px 22px rgba(240, 169, 62, .3); animation-delay: .9s; }
.value-card h3 { font-size: 18px; margin-bottom: 8px; }
.value-card p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; }

/* ============ SERVICES ============ */
.services .section-blob.b1 { width: 420px; height: 420px; top: -160px; right: -120px; background: var(--violet-400); }
.services .section-blob.b2 { width: 300px; height: 300px; bottom: -100px; left: -80px; background: var(--cyan-400); animation-delay: -8s; }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 60px; position: relative; z-index: 2; }
.service-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 30px; position: relative; overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.service-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--cyan-400), var(--blue-600));
}
.service-card:nth-child(2)::after { background: linear-gradient(90deg, var(--green-400), var(--green-500)); }
.service-card:nth-child(3)::after { background: linear-gradient(90deg, var(--violet-400), #5b4bc4); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: var(--cyan-300); }
.service-num {
  font-family: var(--font-display); font-weight: 800; font-size: 42px;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--cyan-300), var(--blue-600));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  opacity: .85;
}
.service-card:nth-child(2) .service-num { background: linear-gradient(135deg, #b9f0c9, var(--green-500)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.service-card:nth-child(3) .service-num { background: linear-gradient(135deg, #cddcff, var(--violet-400)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.service-card h3 { font-size: 21px; margin-bottom: 12px; }
.service-card p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.65; margin-bottom: 20px; }
.service-link { font-weight: 700; font-size: 14px; color: var(--blue-700); display: inline-flex; gap: 6px; align-items: center; }
[data-theme="dark"] .service-link { color: var(--cyan-300); }
.service-link span { transition: transform .3s var(--ease); }
.service-card:hover .service-link span { transform: translateX(5px); }

.model-banner {
  background: linear-gradient(120deg, var(--blue-800), var(--blue-600) 70%, var(--cyan-400));
  border-radius: 28px; padding: 54px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  position: relative; z-index: 2; overflow: hidden;
}
.model-banner::after {
  content: ''; position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.18), transparent 70%);
  top: -80px; right: -60px; animation: blobDrift 10s ease-in-out infinite;
}
.model-text h3 { color: #fff; font-size: clamp(1.3rem, 2.4vw, 1.8rem); margin: 14px 0 12px; max-width: 560px; }
.model-text p { color: rgba(255,255,255,.82); font-size: 15px; max-width: 520px; line-height: 1.65; }

/* ============ PRODUCTS ============ */
.products .section-blob.b1 { width: 360px; height: 360px; top: -120px; left: 10%; background: var(--green-400); }
.products .section-blob.b2 { width: 320px; height: 320px; bottom: -140px; right: 5%; background: var(--cyan-400); animation-delay: -5s; }

.products-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-bottom: 60px; position: relative; z-index: 2; }
.product-chip {
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 14px; text-align: center;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.product-chip:nth-child(6n+1) { border-top: 3px solid var(--cyan-400); }
.product-chip:nth-child(6n+2) { border-top: 3px solid var(--green-500); }
.product-chip:nth-child(6n+3) { border-top: 3px solid var(--violet-400); }
.product-chip:nth-child(6n+4) { border-top: 3px solid var(--amber-400); }
.product-chip:nth-child(6n+5) { border-top: 3px solid var(--coral-400); }
.product-chip:nth-child(6n+6) { border-top: 3px solid var(--blue-600); }
.product-chip:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); border-color: var(--cyan-300); }
.chip-icon { font-size: 26px; display: block; margin-bottom: 12px; }
.product-chip p { font-size: 13px; font-weight: 700; color: var(--ink); line-height: 1.4; }

.featured-products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 46px; position: relative; z-index: 2; }
.featured-card { text-align: center; }
.featured-media {
  aspect-ratio: 1; border-radius: 20px; margin-bottom: 14px;
  background: linear-gradient(150deg, var(--chip-tint), var(--surface) 60%);
  border: 1px solid var(--line); position: relative; overflow: hidden;
}
.featured-media::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.9), transparent 55%);
}
[data-theme="dark"] .featured-media::after { background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.14), transparent 55%); }
.featured-card h4 { font-size: 15px; color: var(--ink); font-weight: 700; }
.products-cta { text-align: center; position: relative; z-index: 2; }

/* ============ BENEFITS ============ */
.benefits {
  background: linear-gradient(160deg, var(--blue-900), var(--blue-700) 70%, var(--blue-600));
  color: #fff;
}
.benefits .section-blob.b1 { width: 380px; height: 380px; top: -100px; right: -100px; background: var(--green-400); opacity: .25; }
.benefits .section-blob.b2 { width: 300px; height: 300px; bottom: -120px; left: -60px; background: var(--cyan-300); opacity: .22; animation-delay: -7s; }
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; position: relative; z-index: 2; }
.benefit-item { padding: 6px; }
.benefit-index { font-family: var(--font-display); font-size: 15px; font-weight: 800; color: var(--cyan-300); letter-spacing: .05em; }
.benefit-item:nth-child(2) .benefit-index { color: var(--green-400); }
.benefit-item:nth-child(3) .benefit-index { color: #cddcff; }
.benefit-item:nth-child(4) .benefit-index { color: var(--amber-400); }
.benefit-item h3 { color: #fff; font-size: 19px; margin: 12px 0 10px; }
.benefit-item p { color: rgba(255,255,255,.75); font-size: 14.5px; line-height: 1.65; }

/* ============ CLIENTS MARQUEE ============ */
.clients { padding-bottom: 70px; }
.marquee { overflow: hidden; position: relative; padding: 10px 0; }
.marquee::before, .marquee::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--marquee-fade), transparent); }
.marquee::after { right: 0; background: linear-gradient(270deg, var(--marquee-fade), transparent); }
.marquee-track { display: flex; gap: 50px; width: max-content; animation: marqueeScroll 34s linear infinite; }
.marquee-track span {
  font-family: var(--font-display); font-weight: 700; font-size: 17px;
  color: var(--ink); opacity: .6; white-space: nowrap;
  padding: 10px 22px; border: 1px solid var(--line); border-radius: 999px;
  transition: opacity .3s, border-color .3s, color .3s;
}
.marquee-track span:nth-child(4n+1):hover { border-color: var(--cyan-400); color: var(--blue-600); }
.marquee-track span:nth-child(4n+2):hover { border-color: var(--green-500); color: var(--green-500); }
.marquee-track span:nth-child(4n+3):hover { border-color: var(--violet-400); color: var(--violet-400); }
.marquee-track span:nth-child(4n+4):hover { border-color: var(--amber-400); color: var(--amber-400); }
.marquee-track span:hover { opacity: 1; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============ CONTACT ============ */
.contact { background: var(--paper-soft); }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 30px; margin-bottom: 40px; position: relative; z-index: 2; }
.contact-info { display: flex; flex-direction: column; gap: 14px; }
.contact-card {
  display: flex; align-items: center; gap: 16px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.contact-card:not(.static):hover { transform: translateX(6px); box-shadow: var(--shadow-sm); }
.contact-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: var(--chip-tint); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
}
[data-theme="dark"] .contact-icon { color: var(--cyan-300); }
.contact-icon.whatsapp {
  background: linear-gradient(150deg, #25d366, #128c7e);
  border-radius: 26%; color: #fff;
}
.contact-card strong { display: block; font-size: 13px; color: var(--ink); margin-bottom: 2px; }
.contact-card span { font-size: 14px; color: var(--ink-soft); font-weight: 600; }

.contact-form {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.contact-form h3 { font-size: 20px; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.contact-form label { display: flex; flex-direction: column; gap: 7px; font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 16px; }
.contact-form label.full { margin-bottom: 22px; }
.contact-form input, .contact-form textarea {
  font-family: inherit; font-size: 14.5px; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: 10px; color: var(--ink);
  background: var(--paper); transition: border-color .25s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--cyan-400); }
.contact-form button { width: 100%; }

.map-grid { display: grid; grid-template-columns: 1.4fr .6fr; gap: 22px; position: relative; z-index: 2; }
.map-embed {
  height: 320px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.map-embed iframe { width: 100%; height: 100%; filter: saturate(1.05); }
[data-theme="dark"] .map-embed iframe { filter: saturate(1.05) invert(.92) hue-rotate(180deg) brightness(1.05); }
.whatsapp-panel {
  background: linear-gradient(150deg, #25d366, #128c7e);
  border-radius: var(--radius); padding: 30px 26px;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 10px;
  color: #fff; transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.whatsapp-panel:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.wa-icon { width: 50px; height: 50px; border-radius: 26%; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; }
.whatsapp-panel strong { font-family: var(--font-display); font-size: 17px; }
.whatsapp-panel span { font-size: 13.5px; opacity: .9; }

/* ============ FOOTER ============ */
.site-footer { background: var(--blue-900); color: rgba(255,255,255,.72); padding-top: 76px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 56px; }
.footer-logo { height: 40px; filter: brightness(0) invert(1); opacity: .92; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 300px; margin-bottom: 20px; }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700;
  transition: background .3s;
}
.socials a:hover { background: var(--cyan-400); color: #05304f; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14px; transition: color .25s; }
.footer-col a:hover { color: var(--cyan-300); }
.footer-contact li { font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; }
.footer-bottom span { font-size: 13px; opacity: .65; }

/* ============ FLOATING ELEMENTS ============ */
.wa-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 400;
  width: 58px; height: 58px; border-radius: 28%;
  background: linear-gradient(150deg, #25d366, #128c7e);
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 30px rgba(37, 184, 90, .4);
  animation: pulseWa 2.6s ease-in-out infinite;
}
@keyframes pulseWa {
  0%, 100% { box-shadow: 0 14px 30px rgba(37, 184, 90, .4); }
  50% { box-shadow: 0 14px 30px rgba(37, 184, 90, .4), 0 0 0 10px rgba(37, 184, 90, .12); }
}
.scroll-top {
  position: fixed; bottom: 26px; right: 96px; z-index: 400;
  width: 48px; height: 48px; border-radius: 50%; background: var(--surface);
  border: 1px solid var(--line); color: var(--blue-700);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
[data-theme="dark"] .scroll-top { color: var(--cyan-300); }
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ============ SCROLL REVEAL ============ */
.reveal-up {
  opacity: 0;
  transform: translateY(46px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  will-change: transform, opacity;
}
.reveal-up.in-view { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 340px; order: -1; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .featured-products { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .map-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .container { padding: 0 20px; }
  .main-nav {
    position: fixed; top: 84px; left: 0; right: 0; bottom: 0;
    background: var(--paper); transform: translateX(100%);
    transition: transform .4s var(--ease);
    padding: 30px 24px; overflow-y: auto; z-index: 300;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { display: block; padding: 16px 6px; font-size: 17px; border-bottom: 1px solid var(--line); }
  .menu-toggle { display: flex; }
  .btn-header { display: none; }
  .lang-toggle { padding: 6px 10px; font-size: 12px; }
  .theme-toggle { width: 34px; height: 34px; }

  .hero { padding: 130px 0 80px; }
  .hero-stats { gap: 24px; }
  .hero-visual { height: 260px; }
  .water-orb { width: 200px; height: 200px; }
  .orb-core { width: 140px; height: 140px; }
  .floating-card { display: none; }

  .values-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .value-card { padding: 22px 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .model-banner { padding: 36px 26px; flex-direction: column; align-items: flex-start; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-products { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
  .wa-float { width: 52px; height: 52px; bottom: 18px; right: 18px; }
  .scroll-top { display: none; }
  .cycle-diagram { gap: 4px; }
  .cycle-line { width: 26px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}