/* DardaLink — Design 2: Dark tech
   Deep navy canvas, glowing teal accents, glass cards, bold type.
   Same class names as newweb so index.html, i18n and the form are unchanged. */

:root {
  --bg: #070d16;
  --bg-2: #0b1521;
  --bg-3: #101d2e;
  --glass: rgba(255, 255, 255, .04);
  --glass-2: rgba(255, 255, 255, .07);
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .16);
  --ink: #eef4f8;
  --muted: #94a6b8;
  --primary: #1fb6d1;
  --primary-dark: #0e93ab;
  --accent: #1fb6d1;
  --accent-2: #7fe1f2;
  --glow: rgba(31, 182, 209, .35);
  --navy: #070d16;
  --radius: 16px;
  --shadow: 0 20px 50px rgba(0, 0, 0, .45);
  --font-head: "Montserrat", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 85% -10%, rgba(31,182,209,.16), transparent 60%),
    radial-gradient(700px 500px at -10% 30%, rgba(0,77,109,.35), transparent 60%);
  background-attachment: fixed;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.12; margin: 0 0 .6em; color: #fff; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.2rem); font-weight: 800; letter-spacing: -.03em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); font-weight: 800; letter-spacing: -.02em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { width: min(var(--container), 100% - 2rem); margin-inline: auto; }
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; position: relative; }
.section[hidden] { display: none; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,.025) 20%, rgba(255,255,255,.025) 80%, transparent); }
.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head p:last-child { color: var(--muted); font-size: 1.1rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-head); font-size: .74rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); box-shadow: 0 0 12px var(--glow); }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--primary); color: #000; padding: .5rem 1rem; z-index: 999; }
.skip-link:focus { left: 1rem; top: 1rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-head); font-weight: 700; font-size: .95rem;
  padding: .85rem 1.6rem; border-radius: 12px; border: 1px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s;
  text-decoration: none !important; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 1rem 2.1rem; font-size: 1rem; }
.btn-sm { padding: .55rem 1.1rem; font-size: .85rem; }
.btn-primary { background: linear-gradient(135deg, #2fd0eb, #0e93ab); color: #041016; box-shadow: 0 8px 28px var(--glow); }
.btn-primary:hover { box-shadow: 0 12px 36px rgba(31,182,209,.5); }
.btn-ghost { background: var(--glass); color: #fff; border-color: var(--line-2); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: var(--glass-2); border-color: var(--accent); }

.link-arrow { font-weight: 600; color: var(--accent-2); }
.link-arrow::after { content: " →"; transition: margin .2s; }
.link-arrow:hover::after { margin-left: .3rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 13, 22, .75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand img { height: 38px; width: auto; filter: brightness(0) invert(1); }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { font-weight: 500; color: var(--muted); font-size: .95rem; position: relative; white-space: nowrap; }
.nav a:not(.btn):hover, .nav a.active { color: #fff; text-decoration: none; }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px;
  background: var(--accent); box-shadow: 0 0 10px var(--glow); transform: scaleX(0); transition: transform .2s; transform-origin: left;
}
.nav a:not(.btn):hover::after, .nav a.active::after { transform: scaleX(1); }
.nav-cta { margin-left: .5rem; }
.nav a.nav-ai { color: var(--accent-2); font-weight: 700; padding-left: .9rem; }
.nav a.nav-ai::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 7px; height: 7px; margin-top: -3.5px;
  border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--glow), 0 0 0 3px rgba(31,182,209,.15);
}
.nav a.btn-primary, .nav a.btn-primary:hover { color: #041016; }

/* Language switcher */
.lang-switch { display: inline-flex; flex: none; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px; gap: 2px; background: var(--glass); }
.lang-switch button {
  font-family: var(--font-head); font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  background: none; border: 0; border-radius: 999px; padding: .3rem .6rem; color: var(--muted); cursor: pointer;
  transition: background .2s, color .2s;
}
.lang-switch button:hover { color: #fff; }
.lang-switch button.active { background: var(--accent); color: #041016; box-shadow: 0 0 14px var(--glow); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { position: relative; color: #fff; padding: clamp(5rem, 13vw, 10rem) 0 0; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .28; filter: saturate(1.3); }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7,13,22,.2) 0%, rgba(7,13,22,.75) 70%, var(--bg) 100%),
    linear-gradient(100deg, rgba(7,13,22,.9) 0%, rgba(7,13,22,.3) 60%, transparent 100%);
}
.hero-bg::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .35;
  background-image: linear-gradient(rgba(127,225,242,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(127,225,242,.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(60% 60% at 70% 40%, #000, transparent);
}
.hero-inner { position: relative; z-index: 2; max-width: 800px; padding-bottom: clamp(3rem, 7vw, 5rem); }
.hero h1 { color: #fff; }
.hero h1 br + * , .hero .lead { max-width: 640px; }
.hero .lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 2rem; }

.stats {
  position: relative; z-index: 2; list-style: none; margin: 0; padding: 1.6rem 0 2.4rem;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  border-top: 1px solid var(--line);
}
.stats li { display: flex; flex-direction: column; padding-left: 1rem; border-left: 2px solid rgba(31,182,209,.4); }
.stats strong { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: #fff; line-height: 1; text-shadow: 0 0 24px var(--glow); }
.stats span { color: var(--muted); font-size: .9rem; margin-top: .35rem; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }

.about-media { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--bg-3); color: #fff; border: 1px solid var(--line); }
.about-media img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; opacity: .9; }
.about-media figcaption { padding: 1.4rem 1.6rem; font-size: .95rem; color: var(--muted); }
.about-media figcaption strong { display: block; font-family: var(--font-head); color: var(--accent-2); margin-bottom: .3rem; }

/* Service categories */
.cat-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin: -1rem 0 3rem; }
.cat-nav a {
  font-family: var(--font-head); font-size: .8rem; font-weight: 700; padding: .5rem 1.05rem;
  border: 1px solid var(--line-2); border-radius: 999px; color: var(--muted); background: var(--glass); transition: .2s;
}
.cat-nav a:hover { border-color: var(--accent); color: #fff; text-decoration: none; box-shadow: 0 0 16px var(--glow); }
.cat { scroll-margin-top: 90px; }
.cat + .cat { margin-top: 3.5rem; padding-top: 3rem; border-top: 1px solid var(--line); }
.cat-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.cat-head h3 { font-size: 1.4rem; margin: 0 0 .15rem; }
.cat-head p { margin: 0; color: var(--muted); }
.cat-icon {
  width: 54px; height: 54px; flex: none; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(31,182,209,.25), rgba(31,182,209,.05)); border: 1px solid rgba(31,182,209,.4);
  box-shadow: 0 0 24px var(--glow), inset 0 0 20px rgba(31,182,209,.08);
}
.cat-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--accent-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.cat-note {
  margin-top: 1.6rem; padding: 1.2rem 1.5rem; border-left: 3px solid var(--accent);
  background: linear-gradient(90deg, rgba(31,182,209,.12), transparent); border-radius: 0 var(--radius) var(--radius) 0; font-size: .95rem; color: var(--muted);
}
.cat-note strong { display: block; font-family: var(--font-head); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-2); margin-bottom: .3rem; }
.badge-new {
  position: absolute; top: 1rem; right: 1rem; font-family: var(--font-head); font-size: .66rem; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase; padding: .28rem .6rem; border-radius: 999px;
  background: var(--accent); color: #041016; box-shadow: 0 0 14px var(--glow);
}

/* Service cards (glass) */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 1.1rem; }
.card {
  position: relative; background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; backdrop-filter: blur(8px);
  transition: transform .2s, border-color .2s, background .2s, box-shadow .2s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,.06), transparent 40%);
}
.card:hover { transform: translateY(-5px); border-color: rgba(31,182,209,.55); background: var(--glass-2); box-shadow: 0 16px 40px rgba(0,0,0,.4), 0 0 0 1px rgba(31,182,209,.15); }
.card h3 { color: #fff; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 1.1rem;
  background: linear-gradient(135deg, rgba(31,182,209,.3), rgba(31,182,209,.08)); border: 1px solid rgba(31,182,209,.35);
}
.card-icon svg, .ci svg { width: 22px; height: 22px; fill: none; stroke: var(--accent-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Feature (travel) */
.feature { position: relative; color: #fff; overflow: hidden; }
.feature-bg { position: absolute; inset: 0; }
.feature-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .28; }
.feature-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--bg) 10%, rgba(7,13,22,.7) 60%, rgba(7,13,22,.4)); }
.feature .container { position: relative; }
.feature-box { max-width: 660px; padding: 2.4rem; background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(10px); }
.feature-box h2 { color: #fff; }
.feature-box p { color: var(--muted); }
.checklist { list-style: none; padding: 0; margin: 1.2rem 0 1.8rem; display: grid; gap: .6rem; }
.checklist li { padding-left: 1.9rem; position: relative; color: #dfe8ef; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .32em; width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23041016' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center / 60% no-repeat;
  box-shadow: 0 0 10px var(--glow);
}

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.steps li { position: relative; padding: 1.6rem; background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); }
.steps li::before { content: ""; position: absolute; top: 0; left: 1.6rem; width: 48px; height: 3px; background: var(--accent); box-shadow: 0 0 12px var(--glow); border-radius: 0 0 3px 3px; }
.step-num { font-family: var(--font-head); font-weight: 800; color: var(--accent-2); opacity: .6; font-size: 1.8rem; display: block; margin: .4rem 0 .3rem; }
.steps h3 { color: #fff; }
.steps p { color: var(--muted); font-size: .95rem; margin: 0; }

/* Client logos marquee */
.logo-marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); padding: 1rem 0; }
.logo-track { display: flex; gap: 3.5rem; align-items: center; width: max-content; animation: marquee 40s linear infinite; padding: .5rem 0; }
.logo-track { gap: 1.4rem; }
.logo-track img {
  height: 66px; width: auto; padding: 10px 20px; background: #f4f7fa; border-radius: 12px;
  filter: grayscale(1); opacity: .85; transition: .2s;
}
.logo-track img:hover { filter: none; opacity: 1; box-shadow: 0 0 22px var(--glow); }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Contact */
.contact-grid { align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.1rem; }
.contact-list li { display: flex; gap: 1rem; align-items: center; }
.contact-list small { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-list a, .contact-list span:not(.ci) { font-weight: 600; font-size: 1.05rem; color: #fff; }
.ci { width: 44px; height: 44px; border-radius: 12px; flex: none; display: grid; place-items: center; background: linear-gradient(135deg, rgba(31,182,209,.3), rgba(31,182,209,.08)); border: 1px solid rgba(31,182,209,.35); }

.contact-form { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.field { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1.1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label { font-size: .85rem; font-weight: 600; color: var(--muted); }
.field input, .field textarea {
  font: inherit; color: #fff; padding: .85rem 1rem; border: 1px solid var(--line-2); border-radius: 10px; background: rgba(0,0,0,.25);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,182,209,.2), 0 0 18px var(--glow); }
.field input.invalid, .field textarea.invalid { border-color: #ff6b6b; }
.contact-form .btn { width: 100%; }
.contact-form .hp { position: absolute; left: -9999px; opacity: 0; }
.form-note { margin: 1rem 0 0; font-size: .92rem; color: var(--muted); min-height: 1.4em; }
.form-note.ok { color: #4ee0b3; }
.form-note.err { color: #ff8080; }

.map { margin-top: clamp(3rem, 7vw, 5rem); }
.map iframe { width: 100%; height: 380px; border: 0; display: block; filter: invert(.92) hue-rotate(180deg) saturate(.6) brightness(.9); }

/* Footer */
.site-footer { background: #040910; color: var(--muted); padding: 3.5rem 0 1.5rem; font-size: .95rem; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.footer-logo { height: 36px; width: auto; filter: brightness(0) invert(1); margin-bottom: 1rem; }
.site-footer h4 { color: var(--accent-2); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer a, .site-footer span { display: block; color: var(--muted); margin-bottom: .5rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 1.4rem; font-size: .85rem; flex-wrap: wrap; gap: .5rem; }
.footer-bottom span, .footer-bottom a { margin: 0; display: inline; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .logo-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 960px) {
  .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: 74px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #0b1521; border-bottom: 1px solid var(--line); padding: .5rem 1rem 1rem;
    display: none; box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: .8rem .25rem; border-bottom: 1px solid var(--line); color: #fff; }
  .nav a::after { display: none; }
  .nav-cta { margin: .8rem 0 0; border-bottom: 0 !important; }
  .lang-switch { align-self: flex-start; margin-top: .8rem; }
}
@media (max-width: 760px) {
  .field-row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .contact-form { padding: 1.4rem; }
  .feature-box { padding: 1.5rem; }
}
