/* =========================================================
   Air Cool System — Stylesheet
   Tokens: navy #0A2E52, blue #0F6FC5, orange #FF7A29
========================================================= */

:root{
  --navy: #0A2E52;
  --navy-soft: #123a63;
  --blue: #0F6FC5;
  --blue-light: #E8F3FC;
  --blue-tint: #F4F9FD;
  --orange: #FF7A29;
  --orange-dark: #E85D04;
  --whatsapp: #25D366;
  --ink: #12202E;
  --slate: #5B6B7A;
  --white: #FFFFFF;
  --border: #E1EAF2;

  --font-display: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 10px rgba(10,46,82,0.06);
  --shadow-md: 0 12px 32px rgba(10,46,82,0.12);
  --shadow-lg: 0 20px 48px rgba(10,46,82,0.18);

  --container: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-display); color: var(--navy); margin: 0 0 .5em; line-height: 1.2; }
p{ margin: 0 0 1em; color: var(--slate); }
button{ font-family: inherit; cursor: pointer; }
input, select, textarea{ font-family: inherit; font-size: 1rem; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent{ color: var(--orange); }

/* ===== Buttons ===== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn--primary{ background: var(--blue); color: var(--white); box-shadow: var(--shadow-sm); }
.btn--primary:hover{ background: var(--navy); }
.btn--accent{ background: var(--orange); color: var(--white); box-shadow: 0 10px 24px rgba(255,122,41,.32); }
.btn--accent:hover{ background: var(--orange-dark); }
.btn--outline{ background: transparent; border-color: rgba(255,255,255,.7); color: var(--white); }
.btn--outline:hover{ background: rgba(255,255,255,.12); }
.btn--ghost{ background: transparent; border-color: var(--border); color: var(--navy); }
.btn--ghost:hover{ background: var(--blue-light); }
.btn--lg{ padding: 16px 32px; font-size: 1rem; }
.btn--sm{ padding: 9px 18px; font-size: .85rem; }
.btn--block{ width: 100%; }

/* ===== Top bar ===== */
.topbar{ background: var(--navy); color: #cfe0f2; font-size: .82rem; }
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 8px 24px; gap: 12px; flex-wrap: wrap;
}
.topbar__msg{ margin:0; display:flex; align-items:center; gap:8px; }
.dot{ width:8px; height:8px; border-radius:50%; background: var(--orange); display:inline-block; box-shadow: 0 0 0 4px rgba(255,122,41,.25); }
.topbar__links{ display:flex; gap: 18px; }
.topbar__links a{ color:#fff; font-weight:600; }
.topbar__links a:hover{ color: var(--orange); }

/* ===== Header ===== */
.header{
  position: sticky; top:0; z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 24px; gap: 16px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand__text{ display:flex; flex-direction:column; line-height:1.2; }
.brand__text strong{ font-family: var(--font-display); font-size:1.05rem; color: var(--navy); }
.brand__text small{ color: var(--slate); font-size:.72rem; letter-spacing:.03em; }

.nav{ display:flex; gap: 28px; }
.nav a{ font-weight:600; font-size:.92rem; color: var(--ink); position: relative; padding: 6px 0; }
.nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background: var(--orange); transition: width .2s ease;
}
.nav a:hover::after{ width: 100%; }
.nav a:hover{ color: var(--blue); }

.header__cta{ display:flex; gap:10px; }

.hamburger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:none; border:none; padding:0;
}
.hamburger span{ display:block; height:2.5px; width:24px; background: var(--navy); border-radius:2px; transition: transform .2s ease, opacity .2s ease; }
.hamburger.is-open span:nth-child(1){ transform: translateY(7.5px) rotate(45deg); }
.hamburger.is-open span:nth-child(2){ opacity:0; }
.hamburger.is-open span:nth-child(3){ transform: translateY(-7.5px) rotate(-45deg); }

/* ===== Hero ===== */
.hero{
  position: relative;
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue) 100%);
  overflow: hidden;
  padding: 76px 0 96px;
}
.hero__waves{
  position:absolute; inset:auto 0 -1px 0; height: 90px;
  background:
    radial-gradient(120% 100% at 10% 0%, transparent 60%, rgba(255,255,255,.05) 61%),
    linear-gradient(180deg, transparent, rgba(10,46,82,.0));
  pointer-events:none;
}
.hero__inner{
  max-width: 760px; margin: 0 auto; text-align:center;
}
.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  color: var(--orange); background: rgba(255,122,41,.12); padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
}
.eyebrow--light{ color: var(--white); background: rgba(255,255,255,.14); }

.hero__content h1{ color:#fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 14px; }
.hero__tagline{ color: var(--orange); font-weight:600; font-size: 1.05rem; margin-bottom: 14px; }
.hero__desc{ color: #d7e6f5; max-width: 560px; margin-left:auto; margin-right:auto; }

.hero__actions{ display:flex; gap:14px; flex-wrap:wrap; margin: 24px 0 26px; justify-content:center; }

.hero__badges{ display:flex; flex-wrap:wrap; gap: 10px 22px; justify-content:center; }
.hero__badges li{ color:#e6f0fa; font-size:.88rem; font-weight:600; }

/* ===== Visual band — illustration lives here, below the booking form ===== */
.hero-visual{ background: var(--white); padding: 72px 0 88px; overflow:hidden; }
.hero-visual__inner{
  display:grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items:center;
}
.hero-visual__img{ width:100%; max-width: 460px; margin: 0 auto; filter: drop-shadow(0 16px 32px rgba(10,46,82,.14)); }
.hero-visual__text h2{ font-size: clamp(1.5rem, 2.6vw, 2rem); }

/* ===== Booking (moved right after hero) ===== */
.booking{ background: var(--blue-tint); padding: 60px 0; border-bottom: 1px solid var(--border); }
.booking__inner{
  display:grid; grid-template-columns: .85fr 1.15fr; gap: 44px; align-items:start;
  background: var(--white); border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-md); margin-top: -108px; position: relative; z-index: 5;
  border: 1px solid var(--border);
}
.booking__intro h2{ font-size: 1.7rem; }
.booking__contact{ display:flex; gap:14px; margin-top: 22px; flex-wrap:wrap; }
.booking__contact-item{
  display:flex; flex-direction:column; gap:2px; padding: 12px 18px; border-radius: var(--radius-sm);
  background: var(--blue-light); border: 1px solid var(--border); min-width: 160px;
}
.booking__contact-item strong{ font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; color: var(--blue); }
.booking__contact-item span{ font-weight:700; color: var(--navy); }

.booking__form{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row--full{ grid-column: 1 / -1; }
.form-row label{ font-weight:600; font-size:.88rem; color: var(--navy); }
.form-row label span{ color: var(--orange); margin-left:2px; }
.form-row input, .form-row select, .form-row textarea{
  padding: 12px 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--border);
  background: var(--white); color: var(--ink); outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  border-color: var(--blue); box-shadow: 0 0 0 4px rgba(15,111,197,.12);
}
.form-note{ font-size:.78rem; color: var(--slate); margin: 10px 0 0; }
.form-success{
  grid-column: 1/-1; background:#e9f9ef; color:#1c7c3f; border:1px solid #bfe8cc;
  padding: 12px 16px; border-radius: var(--radius-sm); font-weight:600; margin:0;
}

/* ===== Section head ===== */
.section-head{ max-width: 640px; margin: 0 auto 44px; text-align:center; }
.section-head h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }
.section-head--light h2{ color:#fff; }
.section-head--light p{ color:#cfe0f2; }

/* ===== Services ===== */
.services{ padding: 90px 0 70px; }
.services__grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}
.service-card{
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
  display:flex; flex-direction:column;
}
.service-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); }

/* Fixed-ratio, self-contained media box: swap the <img src> for a real photo
   (recommended: 1200x900px JPG, optimized under 500KB) and the layout will
   never break, since the box always keeps a 4:3 shape and crops via object-fit. */
.service-card__media{
  width:100%; aspect-ratio: 4 / 3; overflow:hidden;
  background: linear-gradient(160deg, var(--blue-light), #eef6fc);
}
.service-card__media img{
  width:100%; height:100%; object-fit: cover; display:block;
}

.service-card__body{ padding: 24px 26px 28px; }
.service-card h3{ font-size: 1.12rem; margin-bottom: 8px; }
.service-card p{ font-size: .92rem; margin-bottom: 14px; }
.service-card__link{ font-weight:700; color: var(--blue); font-size:.9rem; }
.service-card__link:hover{ color: var(--orange); }

.service-card--cta{
  background: linear-gradient(160deg, var(--navy), var(--blue));
  color:#fff; justify-content:center;
}
.service-card--cta .service-card__body{ display:flex; flex-direction:column; justify-content:center; align-items:flex-start; height:100%; }
.service-card--cta h3{ color:#fff; }
.service-card--cta p{ color:#d7e6f5; }

/* ===== Why Us ===== */
.why-us{ background: linear-gradient(160deg, var(--navy) 0%, var(--navy-soft) 100%); padding: 90px 0; }
.why-us__grid{
  display:grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}
.why-card{
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md); padding: 26px 20px; text-align:center;
}
.why-card img{ margin: 0 auto 14px; }
.why-card h3{ color:#fff; font-size: 1rem; margin-bottom: 8px; }
.why-card p{ color:#c7d9ec; font-size:.85rem; margin:0; }

/* ===== About ===== */
.about{ padding: 90px 0; }
.about__inner{ display:grid; grid-template-columns: .8fr 1.2fr; gap: 52px; align-items:center; }
.about__media img{ border-radius: var(--radius-lg); box-shadow: var(--shadow-md); max-width: 340px; margin: 0 auto; }
.about__role{ color: var(--blue); font-weight:700; margin-bottom: 16px; }

/* ===== Contact ===== */
.contact{ background: linear-gradient(160deg, var(--blue) 0%, var(--navy) 100%); padding: 90px 0 100px; }
.contact__grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card{
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-md); padding: 28px;
}
.contact-card h3{ color:#fff; font-size: 1.05rem; margin-bottom: 12px; }
.contact-card p{ color: #dbe9f7; margin-bottom: 14px; }
.contact-card a{ font-weight:600; }
.contact-card a[href^="tel:"]{ color:#fff; font-size:1.1rem; }

/* ===== Footer ===== */
.footer{ background: #071c33; color:#a9bfd4; }
.footer__inner{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px;
  padding: 60px 24px 40px;
}
.brand--footer .brand__text strong{ color:#fff; }
.brand--footer .brand__text small{ color:#8fa8c1; }
.footer__brand p{ color:#8fa8c1; margin-top: 14px; font-size:.88rem; }
.footer__col h4{ color:#fff; font-size:.9rem; text-transform:uppercase; letter-spacing:.05em; margin-bottom: 16px; }
.footer__col{ display:flex; flex-direction:column; gap: 10px; font-size:.9rem; }
.footer__col a:hover{ color: var(--orange); }
.footer__col span{ color:#8fa8c1; }

.footer__bottom{ border-top: 1px solid rgba(255,255,255,.08); }
.footer__bottom-inner{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  padding: 18px 24px; font-size: .8rem; color:#7f97b0;
}

/* ===== Floating action buttons ===== */
.fab-group{
  position: fixed; right: 20px; bottom: 22px; z-index: 200;
  display:flex; flex-direction:column; gap: 12px;
}
.fab{
  width: 54px; height:54px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-lg); transition: transform .15s ease;
}
.fab:hover{ transform: scale(1.08); }
.fab--whatsapp{ background: var(--whatsapp); }
.fab--call{ background: var(--orange); }

/* =========================================================
   Responsive
========================================================= */
@media (max-width: 992px){
  .booking__inner{ grid-template-columns: 1fr; margin-top: -70px; padding: 30px; }
  .booking__form{ grid-template-columns: 1fr; }

  .hero-visual__inner{ grid-template-columns: 1fr; text-align:center; gap: 28px; }
  .hero-visual__img{ order:1; }
  .hero-visual__text{ order:2; }

  .services__grid{ grid-template-columns: repeat(2, 1fr); }
  .why-us__grid{ grid-template-columns: repeat(3, 1fr); }
  .about__inner{ grid-template-columns: 1fr; text-align:center; }
  .about__media img{ margin:0 auto 20px; }
  .contact__grid{ grid-template-columns: 1fr; }
  .footer__inner{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px){
  .nav{
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
    background: #fff; flex-direction:column; padding: 100px 28px 28px;
    box-shadow: -12px 0 32px rgba(0,0,0,.15);
    transform: translateX(100%); transition: transform .25s ease;
    gap: 22px;
  }
  .nav.is-open{ transform: translateX(0); }
  .header__cta .btn--ghost{ display:none; }
  .hamburger{ display:flex; }
}

@media (max-width: 720px){
  .topbar__inner{ flex-direction: column; gap: 4px; text-align:center; }
  .hero{ padding: 48px 0 76px; }
  .hero-visual{ padding: 52px 0 64px; }
  .services__grid{ grid-template-columns: 1fr; }
  .why-us__grid{ grid-template-columns: repeat(2, 1fr); }
  .footer__inner{ grid-template-columns: 1fr; text-align:center; }
  .footer__col{ align-items:center; }
  .footer__bottom-inner{ justify-content:center; text-align:center; }
  .booking__contact{ justify-content:center; }
  .header__cta .btn--primary{ padding: 11px 18px; font-size:.88rem; }
}

@media (max-width: 480px){
  .container{ padding: 0 18px; }
  .why-us__grid{ grid-template-columns: 1fr; }
  .hero__badges{ flex-direction:column; align-items:center; gap:8px; }
  .booking__inner{ padding: 22px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .btn:hover, .fab:hover, .service-card:hover{ transform:none; }
}

/* Visible keyboard focus */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline: 3px solid var(--orange); outline-offset: 2px;
}