/* ===== Design tokens ===== */
:root {
  --navy:      #0d2f4f;
  --navy-900:  #08213a;
  --navy-700:  #123a5c;
  --blue:      #1aa0e0;
  --blue-600:  #1488c4;
  --gold:      #6cc5f2;   /* light sky accent (from logo highlight) */
  --sky:       #7ecbf0;
  --ink:       #0e2136;
  --slate:     #4b5b72;
  --muted:     #6b7a91;
  --line:      #e5eaf1;
  --bg:        #ffffff;
  --bg-soft:   #f5f8fc;
  --white:     #ffffff;
  --radius:    16px;
  --radius-sm: 10px;
  --shadow:    0 10px 30px rgba(11, 31, 58, .08);
  --shadow-lg: 0 24px 60px rgba(11, 31, 58, .16);
  --maxw:      1140px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Sora', 'Manrope', sans-serif; line-height: 1.15; margin: 0 0 .5em; color: var(--navy); }
p { margin: 0 0 1em; color: var(--slate); }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block; font-weight: 700; font-size: .78rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--blue); margin-bottom: .9rem;
}
.eyebrow--light { color: var(--gold); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: inherit; font-weight: 700; font-size: .95rem; cursor: pointer;
  padding: .8rem 1.4rem; border-radius: 999px; border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-600); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(26,160,224,.35); }
.btn--ghost { background: transparent; color: var(--navy); border-color: rgba(11,31,58,.2); }
.btn--ghost:hover { border-color: var(--navy); transform: translateY(-2px); }
.btn--whatsapp { background: #25d366; color: #fff; }
.btn--whatsapp:hover { background: #1da851; color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(37,211,102,.4); }
.btn--lg { padding: 1rem 1.7rem; font-size: 1rem; }
.btn--block { width: 100%; }

/* ===== Top bar ===== */
.topbar { background: var(--navy-900); color: #cdd8e8; font-size: .84rem; }
.topbar__inner { display: flex; justify-content: space-between; gap: 1rem; padding: .5rem 24px; flex-wrap: wrap; }
.topbar__item { color: #cdd8e8; }
.topbar a.topbar__item:hover { color: var(--gold); }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--line);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.18rem; color: var(--navy); }
.brand__logo { height: 46px; width: auto; }
.brand__mark { color: var(--blue); display: inline-flex; }
.brand__text strong { color: var(--blue); }
.nav { display: flex; gap: 1.9rem; margin-left: auto; }
.nav a { font-weight: 600; color: var(--slate); font-size: .96rem; position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--blue); transition: width .2s ease; }
.nav a:hover { color: var(--navy); }
.nav a:hover::after { width: 100%; }
.header__cta { margin-left: .4rem; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 26px; height: 3px; background: var(--navy); border-radius: 2px; transition: .2s; }
.nav-mobile { display: none; flex-direction: column; gap: .3rem; padding: 0 24px; background: #fff; border-bottom: 1px solid var(--line); overflow: hidden; max-height: 0; transition: max-height .3s ease, padding .3s ease; }
.nav-mobile.is-open { max-height: 420px; padding: 1rem 24px 1.4rem; }
.nav-mobile a { padding: .7rem 0; font-weight: 600; color: var(--slate); border-bottom: 1px solid var(--line); }
.nav-mobile a.btn { border-bottom: 0; color: #fff; margin-top: .6rem; }

/* ===== Hero ===== */
.hero { position: relative; color: #fff; overflow: hidden; background: var(--navy); }

/* Slideshow */
.hero__slides { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease; will-change: opacity, transform;
}
.hero__slide.is-active { opacity: 1; animation: heroZoom 6.5s ease forwards; }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }

.hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(100deg, rgba(8,33,58,.95) 0%, rgba(8,33,58,.82) 40%, rgba(13,47,79,.5) 100%),
    radial-gradient(1000px 500px at 85% 0%, rgba(26,160,224,.35), transparent 60%);
}
.hero__overlay::after {
  content: ""; position: absolute; inset: 0; opacity: .4;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(70% 70% at 50% 30%, #000, transparent);
}

/* Slide dots */
.hero__dots {
  position: absolute; z-index: 3; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px;
}
.hero__dots button {
  width: 30px; height: 4px; border: 0; padding: 0; border-radius: 2px; cursor: pointer;
  background: rgba(255,255,255,.4); transition: background .25s ease, width .25s ease;
}
.hero__dots button:hover { background: rgba(255,255,255,.7); }
.hero__dots button.is-active { background: var(--blue); width: 44px; }

.hero__inner { position: relative; z-index: 2; padding: 92px 24px 104px; }
.hero__content { max-width: 720px; }
.hero .eyebrow { color: var(--gold); }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 5.2vw, 3.6rem); letter-spacing: -.02em; margin-bottom: 1rem; }
.hero__lead { color: #c6d4e8; font-size: clamp(1.02rem, 2vw, 1.2rem); max-width: 620px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin: 1.8rem 0 1.6rem; }
.hero__actions .btn--ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.hero__actions .btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.hero__badges { display: flex; flex-wrap: wrap; gap: 1.2rem 1.8rem; color: #aebfd8; font-weight: 600; font-size: .92rem; }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.section--alt { background: var(--bg-soft); }
.section__head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section__head h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
.section__head p { font-size: 1.05rem; }

/* ===== Grids ===== */
.grid { display: grid; gap: 24px; }
.grid--services { grid-template-columns: repeat(3, 1fr); }
.grid--why { grid-template-columns: repeat(4, 1fr); }

/* Service cards */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(26,160,224,.35); }
.card__icon {
  width: 56px; height: 56px; display: grid; place-items: center; font-size: 1.6rem;
  border-radius: 14px; margin-bottom: 1.1rem;
  background: linear-gradient(135deg, rgba(26,160,224,.14), rgba(26,160,224,.05)); color: var(--blue);
}
.card h3 { font-size: 1.2rem; margin-bottom: .4rem; }
.card p { margin: 0; font-size: .96rem; }

/* ===== About ===== */
.about { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.about__media { }
.about__panel {
  background: linear-gradient(160deg, var(--navy), var(--navy-700));
  border-radius: 22px; padding: 40px; color: #fff; box-shadow: var(--shadow-lg);
  display: grid; gap: 20px; position: relative; overflow: hidden;
}
.about__panel::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background: radial-gradient(400px 200px at 90% 0%, rgba(26,160,224,.5), transparent 60%);
}
.about__stat { position: relative; display: flex; align-items: baseline; gap: .7rem; font-size: 1.05rem; color: #c6d4e8; border-bottom: 1px solid rgba(255,255,255,.12); padding-bottom: 18px; }
.about__stat:last-child { border-bottom: 0; padding-bottom: 0; }
.about__stat strong { font-family: 'Sora', sans-serif; font-size: 2rem; color: var(--gold); min-width: 84px; }
.about__body h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
.about__body .btn { margin-top: .6rem; }

/* ===== Why / features ===== */
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; height: 100%; }
.feature__num { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 1.1rem; color: #fff; background: var(--blue); width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 1rem; }
.feature h3 { font-size: 1.12rem; margin-bottom: .35rem; }
.feature p { margin: 0; font-size: .95rem; }

/* ===== Contact ===== */
.section--contact { background: linear-gradient(160deg, var(--navy-900), var(--navy) 60%, var(--navy-700)); color: #fff; }
.contact { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.contact__info h2 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
.contact__info p { color: #c6d4e8; }
.contact__list { display: grid; gap: 18px; margin: 1.8rem 0; }
.contact__list li { display: flex; gap: 1rem; align-items: flex-start; color: #dbe5f4; }
.contact__ico { font-size: 1.3rem; width: 46px; height: 46px; display: grid; place-items: center; background: rgba(255,255,255,.08); border-radius: 12px; flex: none; }
.contact__list a:hover { color: var(--gold); }
.contact__actions { display: flex; gap: .9rem; flex-wrap: wrap; }
.contact__actions .btn--ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.contact__actions .btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }

.contact__form { background: #fff; color: var(--ink); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-lg); }
.contact__form h3 { font-size: 1.3rem; margin-bottom: 1.2rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; font-size: .88rem; color: var(--navy); margin-bottom: .35rem; }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: .96rem; color: var(--ink);
  padding: .75rem .9rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--bg-soft); transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,160,224,.15); background: #fff;
}
.field textarea { resize: vertical; }
.form-note { font-size: .8rem; color: var(--muted); margin: .8rem 0 0; text-align: center; }

/* ===== Footer ===== */
.footer { background: var(--navy-900); color: #aebfd8; padding-top: 60px; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer__brand .brand__text { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.2rem; color: #fff; }
.footer__brand .brand__text strong { color: var(--blue); }
.footer__brand p { margin-top: .8rem; color: #93a5c1; max-width: 340px; font-size: .94rem; }
.footer__col h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.footer__col ul { display: grid; gap: .6rem; }
.footer__col a:hover { color: var(--gold); }
.footer__col li { color: #93a5c1; font-size: .94rem; }
.footer__bar { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; font-size: .86rem; color: #7f92b0; }

/* ===== WhatsApp floating button ===== */
.whatsapp-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  display: inline-flex; align-items: center; gap: .6rem;
  background: #25d366; color: #fff; font-weight: 700; font-size: .95rem;
  padding: 12px 18px 12px 14px; border-radius: 999px;
  box-shadow: 0 12px 28px rgba(37,211,102,.45);
  transition: transform .18s ease, box-shadow .2s ease;
}
.whatsapp-fab:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(37,211,102,.55); color: #fff; }
.whatsapp-fab svg { flex: none; }
.whatsapp-fab__label { white-space: nowrap; }
.whatsapp-fab::before {
  content: ""; position: absolute; inset: 0; border-radius: 999px;
  box-shadow: 0 0 0 0 rgba(37,211,102,.5); animation: wa-pulse 2.4s infinite;
}
@keyframes wa-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37,211,102,.5); }
  70%  { box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-fab::before { animation: none; }
  .hero__slide.is-active { animation: none; }
}

/* ===== Responsive ===== */
@media (max-width: 940px) {
  .grid--services { grid-template-columns: repeat(2, 1fr); }
  .grid--why { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 36px; }
  .contact { grid-template-columns: 1fr; gap: 40px; }
  .nav, .header__cta { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 620px) {
  .section { padding: 66px 0; }
  .grid--services, .grid--why { grid-template-columns: 1fr; }
  .topbar__inner { justify-content: center; gap: .4rem 1.2rem; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .hero__inner { padding: 60px 24px 72px; }
  .whatsapp-fab { right: 16px; bottom: 16px; padding: 14px; border-radius: 50%; }
  .whatsapp-fab__label { display: none; }
}