/* =============================================================
   TIDE — Tecnologías de la Información y Desarrollo Empresarial
   Design system & site styles
   Brand palette (from MANUAL_TIDE.pdf):
     light teal  #61C7CD   deep teal  #008AA4
     soft lime   #E0E1A5   charcoal   #4C4C4E
   Type: Poppins (display) + Inter (body) — Isidora Sans substitutes.
   ============================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Brand */
  --teal:        #61C7CD;
  --teal-deep:   #008AA4;
  --teal-deeper: #066b80;
  --lime:        #E0E1A5;
  --charcoal:    #4C4C4E;

  /* Ink / dark surfaces (deep ocean teal) */
  --ink:         #052730;
  --ink-2:       #073945;
  --ink-3:       #0b4250;

  /* Light surfaces */
  --bg:          #ffffff;
  --bg-soft:     #f4f8f8;
  --bg-mute:     #eaf2f2;

  /* Text */
  --text:        #29363a;
  --text-soft:   #5c6b6f;
  --text-faint:  #8a989c;
  --on-dark:     #eaf6f7;
  --on-dark-soft:#a8c6cc;

  /* Lines */
  --line:        #e2eaeb;
  --line-dark:   rgba(255,255,255,.12);

  /* Signature gradient */
  --grad-tide:   linear-gradient(115deg, var(--lime) 0%, var(--teal) 48%, var(--teal-deep) 100%);
  --grad-tide-soft: linear-gradient(115deg, #eef0c8 0%, #9bdde1 50%, #2fa3ba 100%);

  /* Effects */
  --radius:   18px;
  --radius-lg:28px;
  --radius-sm:12px;
  --shadow:   0 18px 50px -22px rgba(5,39,48,.35);
  --shadow-sm:0 8px 24px -12px rgba(5,39,48,.28);
  --ring:     0 0 0 4px rgba(97,199,205,.28);

  --container: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-display: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- Reset & base ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

/* ---------- Typography ---------- */
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.08; color: var(--charcoal); letter-spacing: -.02em; }
.h-xl { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; }
.h-lg { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.h-md { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--text-soft); line-height: 1.6; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-display); font-weight: 600;
  font-size: .8rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--teal-deep);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: var(--grad-tide); }
.on-dark .eyebrow, .eyebrow.on-dark { color: var(--teal); }

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

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: clamp(64px, 9vw, 130px) 0; position: relative; }
.section--tight { padding: clamp(48px, 6vw, 84px) 0; }
.section-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 68px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-top: 18px; }

.dark { background: var(--ink); color: var(--on-dark); }
.dark h1,.dark h2,.dark h3,.dark h4 { color: #fff; }
.dark .lead { color: var(--on-dark-soft); }
.soft { background: var(--bg-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
  padding: .85em 1.5em; border-radius: 999px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--teal-deep); color: #fff; box-shadow: 0 12px 28px -12px rgba(0,138,164,.7); }
.btn--primary:hover { background: #00768c; transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(0,138,164,.8); }
.btn--grad { background: var(--grad-tide); color: #06343d; }
.btn--grad:hover { transform: translateY(-2px); box-shadow: 0 18px 38px -14px rgba(97,199,205,.7); }
.btn--ghost { background: transparent; color: var(--charcoal); border: 1.5px solid var(--line); }
.btn--ghost:hover { border-color: var(--teal-deep); color: var(--teal-deep); transform: translateY(-2px); }
.dark .btn--ghost, .btn--ghost.on-dark { color: #fff; border-color: rgba(255,255,255,.28); }
.dark .btn--ghost:hover, .btn--ghost.on-dark:hover { border-color: var(--teal); color: var(--teal); }
.btn--lg { padding: 1.02em 1.9em; font-size: 1.05rem; }
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }

/* =============================================================
   HEADER / NAV
   ============================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), backdrop-filter .3s;
}
.site-header .bar {
  display: flex; align-items: center; gap: 28px;
  height: 76px;
}
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 30px; width: auto; transition: opacity .25s; }
.brand .logo-dark { display: none; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.nav a {
  font-family: var(--font-display); font-weight: 500; font-size: .96rem;
  color: var(--on-dark); padding: .5rem .85rem; border-radius: 8px;
  transition: color .2s, background .2s; position: relative;
}
.nav a:hover { color: #fff; }
.nav > .btn { display: none; } /* CTA inside nav is only for the mobile menu */
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: inline-flex; align-items: center; border: 1.5px solid rgba(255,255,255,.25);
  border-radius: 999px; overflow: hidden; font-family: var(--font-display); font-weight: 600; font-size: .8rem;
}
.lang-toggle button, .lang-toggle a { padding: .38em .72em; color: var(--on-dark-soft); transition: background .2s, color .2s; letter-spacing: .04em; }
.lang-toggle button.active, .lang-toggle a.active { background: var(--teal); color: #06343d; }

/* Scrolled / solid header (light) */
.site-header.solid { background: rgba(255,255,255,.92); backdrop-filter: saturate(140%) blur(12px); box-shadow: 0 1px 0 rgba(5,39,48,.06), 0 10px 30px -22px rgba(5,39,48,.5); }
.site-header.solid .brand .logo-white { display: none; }
.site-header.solid .brand .logo-dark { display: block; }
.site-header.solid .nav a { color: var(--text); }
.site-header.solid .nav a:hover { color: var(--teal-deep); }
.site-header.solid .lang-toggle { border-color: var(--line); }
.site-header.solid .lang-toggle button, .site-header.solid .lang-toggle a { color: var(--text-soft); }
.site-header.solid .lang-toggle button.active, .site-header.solid .lang-toggle a.active { background: var(--teal-deep); color: #fff; }
.site-header.solid .btn--ghost { color: var(--charcoal); border-color: var(--line); }

/* Mobile nav toggle */
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 50%; height: 2px; width: 20px; background: currentColor; border-radius: 2px;
  transform: translateX(-50%); transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle span { top: 50%; margin-top: -1px; color: #fff; }
.site-header.solid .nav-toggle span,
.site-header.solid .nav-toggle span::before,
.site-header.solid .nav-toggle span::after { color: var(--charcoal); }
.nav-toggle span::before { top: -7px; } .nav-toggle span::after { top: 7px; }
body.menu-open .nav-toggle span { background: transparent; }
body.menu-open .nav-toggle span::before { transform: translateX(-50%) rotate(45deg); top: 0; }
body.menu-open .nav-toggle span::after { transform: translateX(-50%) rotate(-45deg); top: 0; }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative; background: var(--ink); color: var(--on-dark);
  padding-top: 150px; padding-bottom: clamp(70px, 10vw, 130px);
  overflow: hidden;
}
.hero::before { /* ambient gradient glow */
  content: ""; position: absolute; top: -30%; right: -10%; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(closest-side, rgba(97,199,205,.4), rgba(0,138,164,.12) 55%, transparent 72%);
  filter: blur(10px); z-index: 0; pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; bottom: -40%; left: -15%; width: 60vw; height: 60vw; max-width: 720px; max-height: 720px;
  background: radial-gradient(closest-side, rgba(224,225,165,.16), transparent 70%);
  z-index: 0; pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.hero-copy { max-width: 620px; }
.hero h1 { color: #fff; margin: 18px 0 0; }
.hero .lead { margin-top: 22px; max-width: 540px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-trust { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; color: var(--on-dark-soft); font-size: .86rem; }
.hero-trust .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }
.hero-trust strong { color: #fff; font-weight: 600; }
.hero-since { margin-top: 14px; color: var(--on-dark-soft); font-size: .9rem; }

/* Hero visual */
.hero-visual { position: relative; aspect-ratio: 1/1; }
.hero-visual .visual-frame {
  position: relative; width: 100%; height: 100%; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(160deg, #0a3a47, #052730 70%); border: 1px solid var(--line-dark);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.6);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual svg { width: 100%; height: 100%; }

/* floating logo-bar chips that echo the mark */
.float-chip {
  position: absolute; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.06); border: 1px solid var(--line-dark);
  backdrop-filter: blur(8px); box-shadow: var(--shadow-sm);
  padding: 14px 16px; display: flex; align-items: center; gap: 12px; color: #fff; z-index: 3;
}
.float-chip .bars { display: flex; align-items: flex-end; gap: 3px; height: 22px; }
.float-chip .bars i { width: 4px; border-radius: 4px; background: var(--teal); display: block; }
.float-chip small { display: block; color: var(--on-dark-soft); font-size: .72rem; letter-spacing: .02em; }
.float-chip b { font-family: var(--font-display); font-size: .9rem; }
.float-chip.tl { top: 16px; left: -22px; }
.float-chip.br { bottom: 24px; right: -18px; }
@media (max-width: 520px){ .float-chip.tl,.float-chip.br{ display:none; } }

/* =============================================================
   MARQUEE / TRUST STRIP
   ============================================================= */
.trust { border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); background: var(--ink-2); }
.trust .container { display: flex; align-items: center; gap: 28px; padding-block: 26px; flex-wrap: wrap; }
.trust .label { font-family: var(--font-display); font-weight: 600; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-soft); flex-shrink: 0; }
.trust .items { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; }
.trust .chip { display: inline-flex; align-items: center; gap: .5rem; color: var(--on-dark); font-weight: 500; font-size: .95rem; }
.trust .chip svg { width: 18px; height: 18px; color: var(--teal); }

/* =============================================================
   CLIENTS / INDUSTRIES STRIP
   ============================================================= */
.clients { background: var(--bg); border-bottom: 1px solid var(--line); padding: 38px 0; }
.clients .container { text-align: center; }
.clients-label { font-family: var(--font-display); font-weight: 600; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 22px; }
.clients-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px 40px; align-items: center; }
.clients-row li { display: inline-flex; align-items: center; gap: 10px; color: var(--charcoal); font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; opacity: .85; }
.clients-row svg { width: 22px; height: 22px; color: var(--teal-deep); }
/* logo wall (for real client logos when available) */
.logo-wall { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 28px 48px; }
.logo-wall img { height: 30px; width: auto; filter: grayscale(1); opacity: .55; transition: opacity .25s, filter .25s; }
.logo-wall img:hover { filter: grayscale(0); opacity: 1; }

/* =============================================================
   COMPLIANCE FRAMEWORKS (inside Principles)
   ============================================================= */
.frameworks { margin-top: clamp(40px, 6vw, 60px); padding-top: clamp(32px, 4vw, 44px); border-top: 1px solid var(--line-dark); text-align: center; }
.frameworks-label { color: var(--on-dark-soft); font-size: .95rem; max-width: 640px; margin: 0 auto 22px; }
.framework-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.framework-badges li {
  font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .02em;
  color: var(--on-dark); padding: .55em 1.1em; border-radius: 999px;
  border: 1px solid rgba(97,199,205,.32); background: rgba(97,199,205,.08);
}
.frameworks-note { margin: 20px auto 0; max-width: 580px; font-size: .82rem; line-height: 1.55; color: var(--text-faint); }

/* =============================================================
   CAPABILITIES GRID
   ============================================================= */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cap-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px 30px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative; overflow: hidden;
}
.cap-card::after { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%; background: var(--grad-tide); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.cap-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.cap-card:hover::after { transform: scaleX(1); }
.cap-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px;
  background: var(--bg-mute); color: var(--teal-deep);
}
.cap-icon svg { width: 28px; height: 28px; }
.cap-card h3 { font-size: 1.28rem; margin-bottom: 10px; }
.cap-card p { color: var(--text-soft); font-size: .98rem; }
.cap-card .tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 7px; }
.cap-card .tags span { font-size: .76rem; font-weight: 600; color: var(--teal-deeper); background: var(--bg-mute); padding: .3em .7em; border-radius: 999px; font-family: var(--font-display); }
.cap-card.featured { background: var(--ink); color: var(--on-dark); border-color: transparent; }
.cap-card.featured h3 { color: #fff; }
.cap-card.featured p { color: var(--on-dark-soft); }
.cap-card.featured .cap-icon { background: rgba(97,199,205,.16); color: var(--teal); }
.cap-card.featured .tags span { background: rgba(97,199,205,.14); color: var(--teal); }

/* =============================================================
   DIFFERENTIATORS (alternating feature rows)
   ============================================================= */
.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center;
}
.feature + .feature { margin-top: clamp(56px, 9vw, 110px); }
.feature:nth-child(even) .feature-media { order: -1; }
.feature-copy h2 { margin: 14px 0 18px; }
.feature-copy p { color: var(--text-soft); }
.feature-list { margin-top: 24px; display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 13px; align-items: flex-start; }
.feature-list .tick { flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--bg-mute); color: var(--teal-deep); display: grid; place-items: center; margin-top: 2px; }
.feature-list .tick svg { width: 13px; height: 13px; }
.feature-list b { font-family: var(--font-display); font-weight: 600; color: var(--charcoal); }
.feature-list span { color: var(--text-soft); }

.media-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3;
  background: var(--grad-tide-soft); box-shadow: var(--shadow);
}
.media-card img { width: 100%; height: 100%; object-fit: cover; }
.media-card svg { width: 100%; height: 100%; }
.media-card .badge {
  position: absolute; left: 18px; bottom: 18px; background: rgba(255,255,255,.92); backdrop-filter: blur(6px);
  border-radius: 12px; padding: 10px 14px; display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-sm);
}
.media-card .badge .bars { display: flex; align-items: flex-end; gap: 3px; height: 20px; }
.media-card .badge .bars i { width: 4px; border-radius: 4px; background: var(--teal-deep); }
.media-card .badge b { font-family: var(--font-display); font-size: .85rem; color: var(--charcoal); }
.media-card .badge small { color: var(--text-soft); font-size: .72rem; }

/* =============================================================
   BLENDED FEATURE PANELS (Why TIDE — Kraken-style, images bleed in)
   ============================================================= */
.panel-stack { display: grid; gap: 22px; }
.panel {
  position: relative; overflow: hidden; border-radius: var(--radius-lg); color: var(--on-dark);
  background:
    radial-gradient(120% 120% at 82% 10%, rgba(97,199,205,.20), transparent 55%),
    linear-gradient(135deg, #08414f 0%, #06313b 45%, #04222a 100%);
  border: 1px solid rgba(255,255,255,.07); box-shadow: var(--shadow);
}
.panel h2, .panel h3 { color: #fff; }
.panel p { color: var(--on-dark-soft); }
.panel .feature-list { margin-top: 22px; }
.panel .feature-list b { color: #fff; }
.panel .feature-list span { color: var(--on-dark-soft); }
.panel .feature-list .tick { background: rgba(97,199,205,.16); color: var(--teal); }

.panel-art { position: relative; }
.panel-art::before {
  content: ""; position: absolute; inset: 6%; z-index: 0;
  background: radial-gradient(closest-side, rgba(97,199,205,.32), transparent 72%); filter: blur(28px);
}
.panel-art img { position: relative; z-index: 1; }

/* wide panel — copy + art bleeding in */
.panel--wide { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 6px; }
.panel--wide .panel-copy { padding: clamp(34px, 4.5vw, 64px); }
.panel--wide .panel-art { align-self: stretch; min-height: 400px; }
.panel--wide .panel-art img { position: absolute; inset: 0; margin: auto; width: 86%; height: 86%; object-fit: contain; filter: drop-shadow(0 30px 60px rgba(0,0,0,.45)); }

/* duo — two shorter panels, art bleeds from the bottom */
.panel-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.panel--duo { display: flex; flex-direction: column; min-height: 440px; }
.panel--duo .panel-copy { padding: clamp(30px, 4vw, 44px); padding-bottom: 6px; }
.panel--duo h3 { font-size: clamp(1.4rem, 2.4vw, 1.95rem); margin-bottom: 12px; }
.panel--duo .panel-art { flex: 1; min-height: 210px; }
.panel--duo .panel-art img { position: absolute; bottom: -6%; left: 50%; transform: translateX(-50%); width: 72%; max-height: 120%; object-fit: contain; filter: drop-shadow(0 24px 50px rgba(0,0,0,.4)); }

@media (max-width: 880px){
  .panel--wide { grid-template-columns: 1fr; }
  .panel--wide .panel-copy { order: 1; }
  .panel--wide .panel-art { order: 2; min-height: 300px; }
  .panel--wide .panel-art img { position: relative; width: 74%; height: auto; max-height: 320px; margin: 0 auto 8px; }
  .panel-duo { grid-template-columns: 1fr; }
}

/* =============================================================
   SOLUTIONS (chips list)
   ============================================================= */
.solutions-wrap { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.sol-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sol-item {
  display: flex; align-items: center; gap: 14px; padding: 18px 18px; border-radius: 14px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line-dark);
  transition: transform .25s var(--ease), background .25s, border-color .25s;
}
.sol-item:hover { transform: translateY(-3px); background: rgba(97,199,205,.08); border-color: rgba(97,199,205,.35); }
.sol-item .sol-ic { flex-shrink: 0; width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: rgba(97,199,205,.14); color: var(--teal); }
.sol-item .sol-ic svg { width: 21px; height: 21px; }
.sol-item span { font-family: var(--font-display); font-weight: 500; font-size: .98rem; color: #fff; }

/* =============================================================
   PROCESS
   ============================================================= */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding-top: 26px; }
.step::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--line); border-radius: 3px; overflow: hidden; }
.step.is-in::before { background: var(--grad-tide); }
.step .num { font-family: var(--font-display); font-weight: 700; font-size: .85rem; letter-spacing: .12em; color: var(--teal-deep); margin-bottom: 14px; }
.step .step-ic { width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; background: var(--bg-mute); color: var(--teal-deep); margin-bottom: 16px; }
.step .step-ic svg { width: 26px; height: 26px; }
.step h3 { font-size: 1.18rem; margin-bottom: 8px; }
.step p { color: var(--text-soft); font-size: .95rem; }

/* =============================================================
   PRINCIPLES (non-negotiables)
   ============================================================= */
.principles { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.principle { padding: 28px 24px; border-radius: var(--radius); background: rgba(255,255,255,.04); border: 1px solid var(--line-dark); }
.principle .p-ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(97,199,205,.14); color: var(--teal); margin-bottom: 18px; }
.principle .p-ic svg { width: 24px; height: 24px; }
.principle h3 { color: #fff; font-size: 1.12rem; margin-bottom: 8px; }
.principle p { color: var(--on-dark-soft); font-size: .92rem; }

/* =============================================================
   CTA BAND
   ============================================================= */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--ink-2); padding: clamp(44px,6vw,72px); text-align: center; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 140% at 50% -20%, rgba(97,199,205,.32), transparent 60%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; max-width: 720px; margin: 0 auto 16px; }
.cta-band p { color: var(--on-dark-soft); max-width: 560px; margin: 0 auto 30px; }
.cta-band .hero-cta { justify-content: center; margin-top: 0; }

/* =============================================================
   CONTACT
   ============================================================= */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px,5vw,64px); align-items: start; }
.contact-info .lead { margin-top: 16px; }
.contact-points { margin-top: 32px; display: grid; gap: 18px; }
.contact-points li { display: flex; gap: 14px; align-items: center; }
.contact-points .c-ic { width: 46px; height: 46px; border-radius: 12px; background: var(--bg-mute); color: var(--teal-deep); display: grid; place-items: center; flex-shrink: 0; }
.contact-points .c-ic svg { width: 22px; height: 22px; }
.contact-points small { display: block; color: var(--text-faint); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }
.contact-points a, .contact-points b { font-family: var(--font-display); font-weight: 600; color: var(--charcoal); font-size: 1.05rem; }
.contact-points a:hover { color: var(--teal-deep); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(26px,4vw,40px); box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-display); font-weight: 600; font-size: .82rem; color: var(--charcoal); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: .98rem; color: var(--text);
  padding: .85em 1em; border: 1.5px solid var(--line); border-radius: 12px; background: var(--bg-soft);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--teal); background: #fff; box-shadow: var(--ring); }
.field textarea { resize: vertical; min-height: 120px; }
.field.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field.two > div { margin: 0; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }
.form-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.form-msg { font-size: .92rem; font-weight: 500; }
.form-msg.ok { color: var(--teal-deep); }
.form-msg.err { color: #c0392b; }
.form-note { font-size: .82rem; color: var(--text-faint); margin-top: 14px; }

/* =============================================================
   FOOTER
   ============================================================= */
.footer { background: var(--ink); color: var(--on-dark-soft); padding: clamp(56px,7vw,84px) 0 34px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand img { height: 32px; margin-bottom: 18px; }
.footer-brand p { color: var(--on-dark-soft); font-size: .95rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.footer-col a { display: block; padding: 6px 0; color: var(--on-dark-soft); font-size: .95rem; transition: color .2s; }
.footer-col a:hover { color: var(--teal); }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.06); color: var(--on-dark); transition: background .2s, color .2s, transform .2s; }
.footer-social a:hover { background: var(--teal); color: #06343d; transform: translateY(-2px); }
.footer-social svg { width: 19px; height: 19px; }
.footer-bottom { margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--line-dark); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .86rem; }

/* =============================================================
   SCROLL REVEAL
   ============================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
[data-delay="1"]{ transition-delay: .08s; }
[data-delay="2"]{ transition-delay: .16s; }
[data-delay="3"]{ transition-delay: .24s; }
[data-delay="4"]{ transition-delay: .32s; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* scroll-top */
.scroll-top { position: fixed; right: 22px; bottom: 22px; z-index: 80; width: 48px; height: 48px; border-radius: 14px; background: var(--teal-deep); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .3s, transform .3s; }
.scroll-top.show { opacity: 1; pointer-events: auto; transform: none; }
.scroll-top:hover { background: #00768c; }
.scroll-top svg { width: 22px; height: 22px; }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 980px){
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin-inline: auto; width: 100%; }
  .cap-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 28px; }
  .principles { grid-template-columns: 1fr 1fr; }
  .feature { grid-template-columns: 1fr; gap: 30px; }
  .feature:nth-child(even) .feature-media { order: 0; }
  .solutions-wrap { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px 24px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px){
  .nav, .header-actions .btn { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .header-actions { gap: 10px; }

  /* mobile menu panel */
  .nav.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: fixed; inset: 76px 0 0 0; background: var(--ink); padding: 24px;
    margin: 0; z-index: 99; overflow-y: auto;
    transform: translateX(100%); transition: transform .35s var(--ease);
  }
  body.menu-open .nav.open { transform: none; }
  .nav.open a { color: #fff; font-size: 1.3rem; font-weight: 600; padding: .7rem 0; border-bottom: 1px solid var(--line-dark); }
  .nav.open .btn { display: inline-flex; margin-top: 18px; }
  body.menu-open { overflow: hidden; }
}
@media (max-width: 560px){
  body { font-size: 16px; }
  .cap-grid { grid-template-columns: 1fr; }
  .sol-grid { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .field.two { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}