:root{
  --bg: #ffffff;
  --bg2: #f4f7fb;
  --text: #0b1b2b;
  --muted: #5b6b7c;
  --primary: #0b2a4a;
  --accent: #1e78ff;
  --card: #ffffff;
  --border: rgba(10, 30, 60, 0.10);
  --shadow: 0 10px 30px rgba(11, 42, 74, .10);
  --radius: 18px;
  --whatsapp: #25D366;
}

/* ======================
   Base / Reset
====================== */
*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img{
  max-width:100%;
  display:block;
}

a{ color: inherit; }

.container{
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.muted{ color: var(--muted); }
.center{ text-align:center; }

/* ======================
   Header / Navigation
====================== */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 42, 74, .90);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:#fff;
  font-weight:700;
}

.brand__dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(30,120,255,.25);
}

.brand__text strong{ font-weight:800; }

.nav{ position:relative; }

.nav__toggle{
  display:none;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  color:#fff;
  padding:10px 12px;
  border-radius: 12px;
  cursor:pointer;
  font-weight:700;
}

.nav__menu{
  display:flex;
  gap:18px;
  align-items:center;
}

.nav__menu a{
  color: rgba(255,255,255,.92);
  text-decoration:none;
  font-weight:600;
  font-size:14px;
  padding:10px 12px;
  border-radius:12px;
}

.nav__menu a:hover{
  background: rgba(255,255,255,.10);
}

/* ======================
   Hero
====================== */
.hero{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  overflow:hidden;
}

.hero__bg{ position:absolute; inset:0; }

.hero__img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter: saturate(0.95) contrast(1.05) brightness(0.9);
}

.hero__overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 450px at 20% 40%, rgba(30,120,255,.35), transparent 60%),
    linear-gradient(90deg,
      rgba(11,42,74,.95) 0%,
      rgba(11,42,74,.85) 40%,
      rgba(11,42,74,.45) 70%,
      rgba(11,42,74,.20) 100%
    );
}

.hero__inner{
  position:relative;
  z-index:2;
  padding:70px 0;
}

.hero__content{
  width: min(640px, 100%);
  color:#fff;
}

.hero h1{
  font-size: clamp(34px, 4vw, 52px);
  line-height:1.05;
  margin:0 0 14px;
  letter-spacing:-0.8px;
}

.hero p{
  margin:0 0 24px;
  color: rgba(255,255,255,.85);
  font-size:16px;
  line-height:1.6;
}

.hero__actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:18px;
}

.badge{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.15);
  font-weight:600;
  font-size:13px;
  color: rgba(255,255,255,.9);
  margin-right:10px;
}

/* ======================
   Buttons
====================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 18px;
  border-radius:14px;
  text-decoration:none;
  font-weight:700;
  font-size:14px;
  border:1px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}

.btn:active{ transform: translateY(1px); }

.btn--primary{
  background: var(--accent);
  color:#fff;
  box-shadow: 0 10px 25px rgba(30,120,255,.25);
}

.btn--primary:hover{
  box-shadow: 0 14px 35px rgba(30,120,255,.30);
}

.btn--ghost{
  background: rgba(255,255,255,.12);
  color:#fff;
  border-color: rgba(255,255,255,.18);
}

.btn--ghost:hover{
  background: rgba(255,255,255,.16);
}

/* ======================
   Sections
====================== */
.section{ padding:64px 0; }

.section--alt{
  background: var(--bg2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}

.section__head{ margin-bottom:24px; }

.section__head h2{
  margin:0 0 8px;
  font-size:28px;
  letter-spacing:-0.3px;
}

/* ======================
   Grids
====================== */
.grid{ display:grid; gap:18px; }

.grid--cards{ grid-template-columns: repeat(3, 1fr); }
.grid--detail{ grid-template-columns: repeat(2, 1fr); }

/* ======================
   Service Cards
====================== */
.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
  text-decoration:none;
  color:inherit;
  transition: transform .15s ease, box-shadow .15s ease;
}

.card:hover{
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(11,42,74,.18);
}

.card__media{
  position:relative;
  height:140px;
  border-radius:14px;
  overflow:hidden;
  margin-bottom:12px;
}

.card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter: saturate(0.95) contrast(1.05);
}

.card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(
    to bottom,
    rgba(11,42,74,.15),
    rgba(11,42,74,.45)
  );
}

.card__icon{
  width:46px;
  height:46px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(30,120,255,.10);
  border:1px solid rgba(30,120,255,.18);
  font-size:20px;
  margin-bottom:12px;
}

.card h3{
  margin:0 0 6px;
  font-size:16px;
}

.card p{
  margin:0 0 12px;
  color: var(--muted);
  font-size:14px;
  line-height:1.5;
}

.card__ticks{
  list-style:none;
  padding:0;
  margin:0 0 12px;
  color:#27425f;
  font-size:13px;
  font-weight:600;
}

.card__ticks li{ margin:6px 0; }

.card__link{
  font-weight:800;
  color: var(--accent);
  font-size:13px;
}

/* ======================
   Detail Blocks
====================== */
.detail{
  background:#fff;
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}

.detail__title{
  font-weight:800;
  margin-bottom:10px;
  display:flex;
  gap:10px;
  align-items:center;
}

.detail ul{
  margin:0;
  padding-left:18px;
  color: var(--muted);
  line-height:1.65;
}

/* ======================
   CTA
====================== */
.cta{
  background: linear-gradient(135deg, var(--primary), #123e6d);
  color:#fff;
  padding:64px 0;
}

.cta__inner{ text-align:center; }

.cta h2{
  margin:0 0 8px;
  font-size:32px;
}

.cta p{
  margin:0 0 18px;
  color: rgba(255,255,255,.85);
}

.cta__actions{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
  margin-bottom:20px;
}

/* ======================
   Footer
====================== */
.footer{
  background:#071a2c;
  color: rgba(255,255,255,.75);
  padding:18px 0;
}

.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}

.footer__link{
  color: rgba(255,255,255,.85);
  text-decoration:none;
  font-weight:700;
}

.footer__link:hover{ text-decoration:underline; }

/* ======================
   WhatsApp Floating Button
====================== */
.whatsapp-float{
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 58px;
  height: 58px;
  background: var(--whatsapp);
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
  z-index: 999;
  transition: transform .15s ease, box-shadow .15s ease;
}

.whatsapp-float:hover{
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
}

.whatsapp-float svg{
  width:28px;
  height:28px;
  fill:#fff;
}

/* ======================
   Responsive
====================== */
@media (max-width: 900px){
  .grid--cards{ grid-template-columns: repeat(2, 1fr); }
  .grid--detail{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .nav__toggle{ display:inline-flex; }

  .nav__menu{
    display:none;
    position:absolute;
    right:20px;
    top:60px;
    background: rgba(11,42,74,.98);
    border:1px solid rgba(255,255,255,.12);
    border-radius:16px;
    padding:10px;
    flex-direction:column;
    min-width:180px;
  }

  .nav__menu.is-open{ display:flex; }
  .grid--cards{ grid-template-columns: 1fr; }
}