:root{
  --navy:        #142B45;
  --navy-2:      #1B3A5C;
  --sky-dark:    #2E6DA4;
  --sky-light:   #BFE1F7;
  --paper:       #FFFFFF;
  --paper-2:     #F3F8FC;
  --ink:         #1B2733;
  --muted:       #5B6B79;
  --accent:      #DC8B2E;
  --accent-dark: #B96F1B;
  --blob:        #DCEEFA;

  --font-head: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max: 1160px;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:var(--font-head);
  color:var(--navy);
  line-height:1.2;
  margin:0 0 .5em;
  font-weight:600;
}
h1{ font-size:clamp(2rem, 4vw + 1rem, 3rem); font-weight:500; }
h1 span{ display:block; font-weight:700; font-size:1.25em; margin-top:.15em; }
h2{ font-size:clamp(1.6rem, 2.2vw + 1rem, 2.2rem); text-align:center; }
h3{ font-size:1.1rem; margin-bottom:.4em; }
p{ margin:0 0 1em; color:var(--muted); }
a{ color:inherit; }
img,svg{ max-width:100%; display:block; }
ul,ol{ margin:0; padding:0; list-style:none; }

.wrap{ max-width:var(--max); margin:0 auto; padding:0 24px; }
:focus-visible{ outline:3px solid var(--accent); outline-offset:2px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:.9em 1.9em; border-radius:6px;
  font-family:var(--font-head); font-weight:600; font-size:.95rem;
  text-decoration:none; border:2px solid transparent; cursor:pointer;
  transition:background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-solid{ background:var(--accent); color:#fff; }
.btn-solid:hover{ background:var(--accent-dark); }
.btn-outline{ background:transparent; border-color:#fff; color:#fff; }
.btn-outline:hover{ background:#fff; color:var(--navy); }
.btn-ghost-dark{ background:transparent; border-color:var(--navy-2); color:var(--navy); }
.btn-ghost-dark:hover{ background:var(--navy-2); color:#fff; }
.btn-full{ width:100%; }

/* header */
.site-header{ position:sticky; top:0; z-index:50; background:var(--navy); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo{ display:inline-flex; align-items:center; text-decoration:none; }
.logo-img{ display:block; height:40px; width:auto; }
.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{
  color:#D7E2EC; text-decoration:none; font-size:.95rem; font-weight:500;
  padding:6px 2px; border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.main-nav a:hover{ color:#fff; border-color:var(--accent); }
.main-nav a.nav-cta{ color:#fff; background:var(--accent); padding:.55em 1.2em; border-radius:6px; border-bottom:none; }
.main-nav a.nav-cta:hover{ background:var(--accent-dark); }
.nav-toggle{ display:none; flex-direction:column; justify-content:center; gap:5px; width:38px; height:38px; background:none; border:none; cursor:pointer; padding:0; }
.nav-toggle span{ display:block; height:2px; background:#fff; border-radius:2px; }

/* hero */
.hero{
  position:relative; overflow:hidden;
  background:linear-gradient(180deg, var(--navy) 0%, var(--sky-dark) 55%, var(--sky-light) 100%);
  padding:72px 0 130px;
  text-align:center;
}
.hero-blobs{ position:absolute; inset:0; overflow:hidden; pointer-events:none; }
.blob{ position:absolute; border-radius:50%; background:rgba(255,255,255,.08); }
.b1{ width:340px; height:340px; top:-120px; left:-100px; }
.b2{ width:220px; height:220px; bottom:20px; right:-60px; background:rgba(255,255,255,.1); }
.b3{ width:160px; height:160px; bottom:-40px; left:35%; background:rgba(255,255,255,.07); }
.hero-inner{ position:relative; z-index:1; max-width:720px; }
.kicker{
  font-size:.82rem; font-weight:600; letter-spacing:.08em; text-transform:uppercase;
  color:var(--accent); margin-bottom:1em;
}
.kicker-light{ color:#DCEEFA; }
.hero h1{ color:#fff; }
.hero-lead{ color:#E3EEF5; font-size:1.05rem; max-width:52ch; margin-left:auto; margin-right:auto; }
.hero-actions{ display:flex; gap:14px; justify-content:center; margin-top:1.8em; flex-wrap:wrap; }
.wave{ position:absolute; left:0; right:0; bottom:-1px; width:100%; height:80px; }
.wave-down{ position:static; margin-top:60px; height:70px; }

/* sections */
.section{ padding:80px 0; }
.section-alt{ background:var(--paper-2); }
.section-head{ max-width:620px; margin:0 auto 48px; text-align:center; }
.section-cta{ text-align:center; margin-top:48px; }

/* icon list (services) */
.icon-list{ display:flex; flex-direction:column; gap:56px; max-width:640px; margin:0 auto; text-align:center; }
.icon-blob{
  position:relative; display:inline-flex; align-items:center; justify-content:center;
  width:72px; height:72px; border-radius:50%; margin:0 auto 18px;
  background:var(--blob); color:var(--navy-2);
}
.icon-blob::before{
  content:""; position:absolute; width:44px; height:44px; border-radius:50%;
  background:#EAF4FB; top:-8px; left:-14px; z-index:-1;
}
.icon-blob svg{ width:30px; height:30px; }
.icon-list h3{ margin-bottom:.3em; }
.icon-list p{ max-width:42ch; margin:0 auto; }

.icon-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:48px 40px; max-width:820px; }

/* band */
.band{
  background:linear-gradient(135deg, var(--navy-2), var(--sky-dark));
  padding:70px 0; text-align:center; color:#fff;
}
.band h2{ color:#fff; }
.band-lead{ color:#DCEEFA; max-width:56ch; margin:0 auto 1em; }
.band-inner .btn{ margin-top:.6em; }

/* steps */
.steps{ display:flex; flex-direction:column; gap:0; max-width:720px; margin:0 auto; }
.steps li{ display:flex; gap:24px; padding:24px 0; border-top:1px solid #E1E9F0; }
.steps li:last-child{ border-bottom:1px solid #E1E9F0; }
.step-num{
  flex:0 0 auto; width:38px; height:38px; border-radius:50%;
  background:var(--blob); color:var(--navy-2); font-family:var(--font-head); font-weight:700;
  display:flex; align-items:center; justify-content:center; font-size:.95rem;
}
.steps h3{ margin-bottom:.2em; }
.steps p{ margin-bottom:0; max-width:56ch; }

/* tech grid */
.tech-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; max-width:840px; margin:0 auto; }
.tech-card{ background:#fff; border-radius:12px; padding:26px; box-shadow:0 2px 14px rgba(20,43,69,.06); }
.tech-card p{ margin-bottom:0; font-size:.94rem; }
.tech-card-wide{ grid-column:1 / -1; }

/* pricing */
.pricing-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; align-items:stretch; }
.price-card{
  background:#fff; border-radius:14px; padding:34px 28px; text-align:center;
  box-shadow:0 2px 16px rgba(20,43,69,.07); display:flex; flex-direction:column;
}
.price-featured{ background:linear-gradient(160deg, var(--navy-2), var(--sky-dark)); color:#fff; transform:translateY(-8px); }
.price-tag{ font-family:var(--font-head); font-weight:600; letter-spacing:.05em; text-transform:uppercase; font-size:.8rem; color:var(--muted); margin-bottom:.6em; }
.price-featured .price-tag{ color:#DCEEFA; }
.price-value{ font-family:var(--font-head); font-size:1.5rem; font-weight:700; color:var(--navy); margin-bottom:1em; }
.price-featured .price-value{ color:#fff; }
.price-features{ display:flex; flex-direction:column; gap:12px; margin-bottom:1.6em; flex:1; }
.price-features li{ font-size:.92rem; color:var(--muted); }
.price-features li::before{ content:"✓ "; color:var(--accent); font-weight:700; }
.price-featured .price-features li{ color:#EAF4FB; }
.price-featured .price-features li::before{ color:#fff; }

.price-note{ text-align:center; font-size:.9rem; color:var(--muted); max-width:640px; margin:28px auto 0; }

/* hotline card */
.hotline-card{
  margin:56px auto 0; max-width:640px; text-align:center;
  background:linear-gradient(160deg, var(--navy-2), var(--sky-dark));
  color:#fff; border-radius:14px; padding:34px 28px;
  box-shadow:0 2px 16px rgba(20,43,69,.07);
}
.hotline-card .price-tag{ color:#DCEEFA; }
.hotline-card .price-value{ color:#fff; }
.hotline-lead{ color:#fff; font-weight:600; font-family:var(--font-head); margin-bottom:1em; }
.hotline-card .price-features{ margin-bottom:1.6em; }
.hotline-card .price-features li{ color:#EAF4FB; }
.hotline-card .price-features li::before{ color:#fff; }

/* travel note */
.travel-note{ text-align:center; max-width:520px; margin:40px auto 0; }
.travel-note h3{ margin-bottom:.5em; }
.travel-note p{ margin-bottom:.4em; }

/* about */
.about-inner{ max-width:760px; text-align:center; }
.about-inner .btn{ margin-top:.6em; }

/* faq accordion */
.accordion{ max-width:720px; margin:0 auto; display:flex; flex-direction:column; gap:10px; }
.acc-item{ background:#fff; border-radius:10px; box-shadow:0 2px 10px rgba(20,43,69,.06); overflow:hidden; }
.acc-trigger{
  width:100%; display:flex; align-items:center; justify-content:space-between;
  background:none; border:none; text-align:left; cursor:pointer;
  padding:18px 22px; font-family:var(--font-head); font-weight:600; font-size:.98rem; color:var(--navy);
}
.acc-icon{ font-size:1.2rem; color:var(--accent); transition:transform .2s ease; }
.acc-item.open .acc-icon{ transform:rotate(45deg); }
.acc-panel{ max-height:0; overflow:hidden; transition:max-height .25s ease; padding:0 22px; }
.acc-item.open .acc-panel{ max-height:400px; padding-bottom:18px; }
.acc-panel p{ margin:0; font-size:.94rem; }

/* contact */
.contact-inner{ display:grid; grid-template-columns:1fr 1.1fr; gap:56px; }
.contact-list{ display:flex; flex-direction:column; gap:16px; margin-top:1.6em; }
.contact-list li{ display:flex; flex-direction:column; gap:.15em; }
.contact-list span{ font-size:.75rem; letter-spacing:.05em; text-transform:uppercase; color:var(--muted); }
.contact-list a{ text-decoration:none; font-weight:600; color:var(--navy); }

.contact-form{ background:#fff; border-radius:14px; padding:32px; box-shadow:0 2px 16px rgba(20,43,69,.07); }
.form-row{ margin-bottom:18px; display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-size:.85rem; font-weight:600; color:var(--navy); }
.form-row input, .form-row textarea{
  font-family:var(--font-body); font-size:.95rem; padding:.7em .8em;
  border:1px solid #D6E1E9; border-radius:8px; background:#fff; color:var(--ink);
}
.form-row input:focus, .form-row textarea:focus{ border-color:var(--accent); outline:none; }
.form-note{ margin-top:14px; font-size:.85rem; color:var(--muted); }
.form-note.success{ color:#1F7A4D; font-weight:600; }
.form-note.error{ color:#B4392C; font-weight:600; }
.hp-field{ position:absolute; left:-9999px; top:-9999px; width:1px; height:1px; overflow:hidden; margin:0; }

/* footer */
.site-footer{ background:var(--navy); color:#B7C2CB; padding:32px 0; }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.footer-inner p{ margin:0; font-size:.85rem; color:#B7C2CB; }
.site-footer .logo-img{ height:30px; }

/* responsive */
@media (max-width: 900px){
  .contact-inner{ grid-template-columns:1fr; }
  .tech-grid{ grid-template-columns:1fr; }
  .tech-card-wide{ grid-column:auto; }
  .pricing-grid{ grid-template-columns:1fr; }
  .price-featured{ transform:none; }
  .icon-grid{ grid-template-columns:1fr; }
}
@media (max-width: 720px){
  .main-nav{
    position:absolute; top:72px; left:0; right:0; background:var(--navy);
    flex-direction:column; align-items:flex-start; padding:10px 24px 26px; gap:6px; display:none;
  }
  .main-nav.open{ display:flex; }
  .main-nav a{ width:100%; padding:10px 0; border-bottom:1px solid rgba(255,255,255,.08); }
  .main-nav a.nav-cta{ margin-top:8px; text-align:center; }
  .nav-toggle{ display:flex; }
  .section{ padding:56px 0; }
  .hero{ padding:56px 0 110px; }
  .logo-img{ height:32px; }
}