/* ===== Design tokens ===== */
:root{
  --navy-900:#0b1f3a;
  --navy-800:#0f2a4a;
  --navy-700:#163a63;
  --blue-500:#2f6fed;
  --orange-500:#ff7a30;
  --orange-600:#ff5f0a;
  --bg:#f6f8fb;
  --white:#ffffff;
  --gray-900:#1c2733;
  --gray-600:#5b6b7c;
  --gray-300:#dbe3ec;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-sm:0 4px 14px rgba(15,42,74,.08);
  --shadow-md:0 12px 32px rgba(15,42,74,.10);
  --shadow-lg:0 24px 60px rgba(15,42,74,.16);
  --ease:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
  color:var(--gray-900);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;margin:0;padding:0;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:none;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--orange-500),var(--orange-600));color:#fff;box-shadow:0 10px 24px rgba(255,122,48,.35);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(255,122,48,.45);}
.btn-outline{background:transparent;color:var(--navy-800);border:2px solid var(--navy-800);}
.btn-outline:hover{background:var(--navy-800);color:#fff;transform:translateY(-3px);}
.btn-call{background:var(--navy-800);color:#fff;padding:10px 18px;font-size:14px;}
.btn-call:hover{background:var(--navy-700);}
.btn-lg{padding:16px 32px;font-size:16px;}
.full{width:100%;}

/* ===== Header ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),padding .35s var(--ease);
  padding:18px 0;
}
.header{background:rgba(255,255,255,.7);backdrop-filter:blur(10px);}
.header.scrolled{background:rgba(255,255,255,.92);box-shadow:var(--shadow-sm);padding:10px 0;}
.header-inner{display:flex;align-items:center;justify-content:space-between;}
.logo{font-size:22px;font-weight:900;color:var(--navy-900);letter-spacing:-.5px;}
.logo span{color:var(--orange-500);}
.nav{display:flex;gap:32px;}
.nav a{font-weight:600;font-size:15px;color:var(--navy-900);position:relative;padding:4px 0;}
.nav a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--orange-500);transition:width .3s var(--ease);}
.nav a:hover::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:14px;}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.hamburger span{width:24px;height:2px;background:var(--navy-900);transition:all .3s var(--ease);}
.mobile-nav{
  display:flex;flex-direction:column;gap:18px;
  position:fixed;top:0;right:0;height:100vh;width:78%;max-width:320px;
  background:var(--navy-900);padding:100px 32px 32px;
  transform:translateX(100%);transition:transform .4s var(--ease);z-index:99;
}
.mobile-nav.open{transform:translateX(0);}
.mobile-nav a{color:#fff;font-size:17px;font-weight:600;}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:linear-gradient(180deg,#eef5ff 0%,#f7faff 45%,var(--bg) 100%);
  overflow:hidden;padding:120px 0 60px;
}
.hero-bg{position:absolute;inset:0;overflow:hidden;}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.45;}
.blob-1{width:420px;height:420px;background:#bcd4ff;top:-140px;right:-100px;animation:drift 12s ease-in-out infinite;}
.blob-2{width:340px;height:340px;background:#ffd8b0;bottom:-120px;left:-80px;animation:drift 14s ease-in-out infinite reverse;}
@keyframes drift{0%,100%{transform:translate(0,0);}50%{transform:translate(30px,-30px);}}
.grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(15,42,74,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(15,42,74,.04) 1px,transparent 1px);background-size:48px 48px;}

.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.1fr;gap:16px;align-items:center;}
.eyebrow{color:var(--orange-600);font-weight:800;letter-spacing:1px;margin:0 0 14px;font-size:14px;}
.hero h1{color:var(--navy-900);font-size:clamp(32px,4.2vw,54px);line-height:1.28;margin:0 0 20px;font-weight:900;letter-spacing:-1px;}
.hero h1 strong{color:var(--orange-500);}
.hero-sub{color:var(--gray-600);font-size:17px;max-width:520px;margin:0 0 32px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
.hero-badges{display:flex;gap:20px;flex-wrap:wrap;}
.hero-badges li{color:var(--navy-800);font-size:14px;font-weight:600;}

.hero-visual{display:flex;justify-content:center;}
.truck-scene{position:relative;width:112%;max-width:none;margin:0 -6% 0 0;}
.truck-img{
  width:100%;position:relative;z-index:2;
  animation:driveIn 1.4s cubic-bezier(.22,1,.36,1) both;
  filter:drop-shadow(0 24px 22px rgba(15,42,74,.22));
}
@keyframes truckDrive{
  0%,100%{transform:translateX(0) translateY(0) rotate(0);}
  20%{transform:translateX(-12px) translateY(-3px) rotate(-.4deg);}
  40%{transform:translateX(-20px) translateY(0) rotate(0);}
  60%{transform:translateX(-10px) translateY(-2px) rotate(.3deg);}
  80%{transform:translateX(-3px) translateY(0) rotate(0);}
}
.truck-shadow{
  position:absolute;left:12%;right:12%;bottom:4%;height:22px;border-radius:50%;z-index:1;
  background:radial-gradient(ellipse,rgba(15,42,74,.20),transparent 70%);
}
@keyframes shadowPulse{0%,100%{transform:scaleX(1);opacity:1;}40%{transform:scaleX(.94) translateX(-16px);opacity:.8;}}
.cloud{position:absolute;opacity:.9;z-index:1;}
.cloud-1{width:150px;top:12%;left:-160px;animation:cloudDrift 42s linear infinite;}
.cloud-2{width:100px;top:26%;left:-120px;animation:cloudDrift 58s linear 12s infinite;opacity:.65;}
.cloud-3{width:70px;top:7%;left:-90px;animation:cloudDrift 70s linear 26s infinite;opacity:.5;}
@keyframes cloudDrift{from{transform:translateX(0);}to{transform:translateX(calc(100vw + 260px));}}
.float-box{position:absolute;border-radius:6px;z-index:3;}
.fb-1{width:34px;height:30px;right:6%;top:16%;background:linear-gradient(135deg,#ffb27a,#ff7a30);box-shadow:inset 0 8px 0 rgba(255,255,255,.28);animation:boxFloat 3.6s ease-in-out infinite;}
.fb-2{width:24px;height:22px;right:14%;top:6%;background:linear-gradient(135deg,#7ea8ee,#2f6fed);box-shadow:inset 0 6px 0 rgba(255,255,255,.28);animation:boxFloat 4.4s ease-in-out .8s infinite;}
.fb-3{width:18px;height:16px;left:4%;top:22%;background:linear-gradient(135deg,#ffd8b0,#ffb27a);box-shadow:inset 0 5px 0 rgba(255,255,255,.3);animation:boxFloat 5s ease-in-out 1.6s infinite;}
@keyframes boxFloat{0%,100%{transform:translateY(0) rotate(-4deg);}50%{transform:translateY(-16px) rotate(5deg);}}
@keyframes driveIn{
  0%{transform:translateX(120%) rotate(1.5deg);opacity:0;}
  60%{transform:translateX(-4%) rotate(-.6deg);opacity:1;}
  80%{transform:translateX(1.5%) rotate(.3deg);}
  100%{transform:translateX(0) rotate(0);}
}
@keyframes truckBounce{
  0%,100%{transform:translateY(0) rotate(0);}
  25%{transform:translateY(-4px) rotate(-.35deg);}
  50%{transform:translateY(0) rotate(0);}
  75%{transform:translateY(-2.5px) rotate(.3deg);}
}

.scroll-indicator{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--gray-600);
  font-size:12px;font-weight:600;z-index:2;
}
.scroll-indicator span{width:1px;height:36px;background:var(--gray-300);position:relative;overflow:hidden;}
.scroll-indicator span::after{content:'';position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--orange-500);animation:scrollLine 1.8s ease-in-out infinite;}
@keyframes scrollLine{0%{top:-100%;}100%{top:100%;}}

/* ===== Stats ===== */
.stats{background:var(--white);padding:56px 0;box-shadow:0 2px 0 rgba(15,42,74,.04);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-card strong{display:block;font-size:clamp(30px,4vw,44px);font-weight:900;color:var(--navy-900);}
.stat-card span{color:var(--gray-600);font-size:14px;font-weight:600;}

/* ===== Mood banner ===== */
.mood-banner{position:relative;height:56vh;min-height:380px;overflow:hidden;}
.mood-banner img{width:100%;height:100%;object-fit:cover;object-position:center 60%;}
.mood-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,31,58,.75) 0%,rgba(11,31,58,.25) 55%,rgba(11,31,58,.35) 100%);}
.mood-content{position:absolute;inset:0;display:flex;align-items:flex-end;padding-bottom:48px;}
.mood-quote{color:#fff;font-size:clamp(19px,2.6vw,28px);font-weight:800;line-height:1.5;text-shadow:0 2px 12px rgba(0,0,0,.25);margin:0;}

/* ===== Sections ===== */
.section{padding:100px 0;}
.section-alt{background:#eef2f8;}
.section-dark{background:linear-gradient(135deg,#eaf2ff 0%,#fef6ee 100%);color:var(--gray-900);}
.section-eyebrow{color:var(--orange-500);font-weight:800;letter-spacing:1px;font-size:13px;margin:0 0 10px;}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:900;letter-spacing:-.5px;margin:0 0 16px;color:var(--navy-900);}
.section-desc{color:var(--gray-600);font-size:16px;max-width:600px;margin:0 0 40px;}

/* ===== Service cards ===== */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.service-card{
  background:#fff;border-radius:var(--radius-lg);padding:36px 28px;box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.icon-wrap{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#eaf1ff,#fff3ea);display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--blue-500);}
.icon-wrap svg{width:28px;height:28px;}
.service-card h3{margin:0 0 10px;font-size:19px;font-weight:800;}
.service-card p{color:var(--gray-600);font-size:14.5px;margin:0 0 18px;}
.card-link{color:var(--orange-500);font-weight:700;font-size:14px;transition:padding-left .25s var(--ease);}
.card-link:hover{padding-left:6px;}

/* ===== Why grid ===== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.why-item{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease);}
.why-item:hover{transform:translateY(-6px);}
.why-num{font-size:32px;font-weight:900;color:var(--orange-500);opacity:.5;margin-bottom:8px;}
.why-item h3{margin:0 0 8px;font-size:18px;font-weight:800;}
.why-item p{color:var(--gray-600);font-size:14.5px;margin:0;}

/* ===== Process ===== */
.process-track{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.process-line{position:absolute;top:28px;left:10%;right:10%;height:2px;background:var(--gray-300);z-index:0;}
.process-line::after{content:'';position:absolute;left:0;top:0;height:100%;width:var(--p,0%);background:var(--orange-500);transition:width 1.2s var(--ease);}
.process-step{position:relative;z-index:1;text-align:center;}
.step-circle{width:56px;height:56px;border-radius:50%;background:var(--navy-900);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;margin:0 auto 16px;box-shadow:var(--shadow-md);}
.process-step h4{margin:0 0 8px;font-size:16px;font-weight:800;}
.process-step p{color:var(--gray-600);font-size:13.5px;margin:0;}

/* ===== Area ===== */
.area-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.area-tiers{display:flex;flex-direction:column;gap:14px;margin-top:8px;}
.area-tier{background:#fff;border-radius:var(--radius-md);padding:20px 24px;box-shadow:var(--shadow-sm);border-left:5px solid var(--gray-300);transition:transform .3s var(--ease),box-shadow .3s var(--ease);}
.area-tier:hover{transform:translateX(6px);box-shadow:var(--shadow-md);}
.area-tier h3{margin:6px 0 4px;font-size:17px;font-weight:800;color:var(--navy-900);}
.area-tier p{margin:0;font-size:13.5px;color:var(--gray-600);}
.tier-badge{font-size:11px;font-weight:800;letter-spacing:1.2px;color:var(--gray-600);}
.tier-1{border-left-color:var(--orange-500);}
.tier-1 .tier-badge{color:var(--orange-600);}
.tier-2{border-left-color:var(--blue-500);}
.tier-2 .tier-badge{color:var(--blue-500);}
.tier-3{border-left-color:var(--navy-800);}
.tier-3 .tier-badge{color:var(--navy-800);}
.ring{transform-origin:150px 150px;animation:ringPulse 3.6s ease-in-out infinite;}
.ring-2{animation-delay:.6s;}
.ring-3{animation-delay:1.2s;}
@keyframes ringPulse{0%,100%{transform:scale(1);}50%{transform:scale(1.05);}}
.area-visual svg{width:100%;max-width:320px;margin:0 auto;display:block;}

/* ===== Reviews ===== */
.review-slider{overflow:hidden;}
.review-track{display:flex;transition:transform .6s var(--ease);}
.review-card{min-width:100%;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:40px;text-align:center;}
.stars{color:var(--orange-500);font-size:20px;margin-bottom:16px;}
.review-card p{font-size:18px;font-weight:600;margin:0 0 18px;max-width:620px;margin-inline:auto;}
.review-card span{color:var(--gray-600);font-size:13.5px;}
.review-dots{display:flex;justify-content:center;gap:10px;margin-top:24px;}
.review-dots button{width:10px;height:10px;border-radius:50%;border:none;background:var(--gray-300);cursor:pointer;transition:background .25s;}
.review-dots button.active{background:var(--orange-500);}
.review-note{text-align:center;color:var(--gray-600);font-size:12.5px;margin-top:20px;}

/* ===== Contact ===== */
.contact-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;}
.contact-phone{display:inline-block;font-size:28px;font-weight:900;color:var(--orange-600);margin:20px 0 24px;}
.contact-list li{color:var(--gray-600);font-size:14.5px;margin-bottom:10px;}
.contact-list li strong{color:var(--navy-900);}
.contact-list a{color:var(--orange-600);font-weight:700;}
.contact-form{background:#fff;border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.contact-form label{display:flex;flex-direction:column;gap:8px;font-size:13.5px;font-weight:700;color:var(--gray-900);}
.contact-form input,.contact-form select,.contact-form textarea{
  border:1.5px solid var(--gray-300);border-radius:var(--radius-sm);padding:12px 14px;font-size:14.5px;font-family:inherit;
  transition:border-color .25s,box-shadow .25s;
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(47,111,237,.12);
}
.contact-form .agree{flex-direction:row;align-items:center;gap:8px;font-weight:600;}
.form-note{font-size:13.5px;color:var(--blue-500);font-weight:700;min-height:18px;}

/* ===== Footer ===== */
.footer{background:#fff;border-top:1px solid var(--gray-300);padding:48px 0 20px;color:var(--gray-600);}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;}
.footer-logo{font-size:22px;margin:0 0 8px;color:var(--navy-900);}
.footer-links{display:flex;gap:24px;font-weight:700;color:var(--navy-800);}
.footer-links a:hover{color:var(--orange-500);}
.footer-copy{text-align:center;font-size:12.5px;margin:32px 0 0;color:var(--gray-300);}

/* ===== Floating buttons ===== */
.fab{
  position:fixed;bottom:28px;right:24px;width:58px;height:58px;border-radius:50%;
  background:linear-gradient(135deg,var(--orange-500),var(--orange-600));color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 10px 26px rgba(255,122,48,.45);
  z-index:90;animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);}50%{transform:scale(1.08);}}
.to-top{
  position:fixed;bottom:96px;right:24px;width:44px;height:44px;border-radius:50%;border:none;
  background:#fff;color:var(--navy-900);box-shadow:var(--shadow-md);cursor:pointer;font-size:18px;font-weight:700;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease);z-index:90;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-4px);}

/* ===== Scroll reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{order:-1;max-width:340px;margin:0 auto 20px;}
  .area-inner{grid-template-columns:1fr;}
  .contact-inner{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .nav{display:none;}
  .hamburger{display:flex;}
  .header-cta .btn-call span{display:none;}
  .card-grid,.why-grid,.stats-grid{grid-template-columns:1fr;}
  .process-track{grid-template-columns:1fr;gap:32px;}
  .process-line{display:none;}
  .form-row{grid-template-columns:1fr;}
  .section{padding:70px 0;}
  .hero{padding:110px 0 80px;}
}