/* =========================================================
   BONA TRADE — B2B landing page
   Dark premium theme. No build step, no dependencies.
   ========================================================= */

:root{
  /* surfaces */
  --bg:            #05070C;
  --surface:       #0B0F17;
  --surface-2:     #111726;
  --border:        rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.16);

  /* text */
  --text:          #EEF2F8;
  --text-muted:    #9BA6B8;
  --text-dim:      #6B7688;

  /* accent — blue from the logo */
  --accent:        #2563EB;
  --accent-bright: #3B82F6;
  --accent-soft:   #93B4FF;
  --accent-glow:   rgba(37,99,235,.35);

  /* red from the logo, used sparingly */
  --cta:           #E11D2E;

  /* geometry */
  --r-card: 18px;
  --r-pill: 999px;
  --shell: 1200px;
  --header-h: 84px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ margin:0; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }

.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:16px;
}
@media (min-width:768px){ .shell{ padding-inline:32px; } }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--accent); color:#fff; padding:12px 20px; border-radius:0 0 12px 0;
}
.skip-link:focus{ left:0; }

:focus-visible{
  outline:2px solid var(--accent-bright);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- typography ---------- */

.display{
  font-family:"Archivo",system-ui,sans-serif;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:-.025em;
  line-height:.93;
  margin:0;
}

.lead{
  color:var(--text-muted);
  font-size:clamp(15px,1.05vw + 12px,18px);
  max-width:56ch;
}

.eyebrow{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent-soft);
  font-weight:600;
}

.pill{
  display:inline-block;
  padding:7px 18px;
  border:1px solid rgba(59,130,246,.45);
  border-radius:var(--r-pill);
  color:var(--accent-soft);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-weight:600;
  background:rgba(37,99,235,.06);
}

.accent{ color:var(--accent-bright); }

/* ---------- buttons ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:16px 30px;
  border-radius:var(--r-pill);
  font-weight:600;
  font-size:15px;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease), background-color .25s var(--ease),
             border-color .25s var(--ease), box-shadow .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn-sm{ padding:12px 22px; font-size:14px; }
.btn-block{ width:100%; }

.btn-primary{
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-bright) 100%);
  color:#fff;
  box-shadow:0 12px 34px -12px var(--accent-glow);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 40px -12px var(--accent-glow);
}

.btn-outline{
  border-color:rgba(147,180,255,.4);
  color:var(--text);
  background:rgba(255,255,255,.02);
}
.btn-outline:hover{
  border-color:var(--accent-bright);
  background:rgba(37,99,235,.12);
  transform:translateY(-2px);
}

/* ---------- header ---------- */

.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:100;
  transition:background-color .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(5,7,12,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--border);
}

.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand img{ width:132px; height:auto; }
@media (min-width:768px){ .brand img{ width:158px; } }

.nav-desktop{ display:none; gap:34px; }
.nav-desktop a{
  font-size:14px;
  font-weight:500;
  color:var(--text-muted);
  position:relative;
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-desktop a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background:var(--accent-bright);
  transition:width .3s var(--ease);
}
.nav-desktop a:hover,
.nav-desktop a.is-active{ color:var(--text); }
.nav-desktop a.is-active::after{ width:100%; }

@media (min-width:1000px){ .nav-desktop{ display:flex; } }

.header-actions{ display:flex; align-items:center; gap:14px; }
.header-actions .btn{ display:none; }
@media (min-width:1000px){ .header-actions .btn{ display:inline-flex; } }

.burger{
  width:44px; height:44px;
  display:grid;
  place-content:center;
  gap:5px;
  background:transparent;
  border:1px solid var(--border);
  border-radius:12px;
  cursor:pointer;
  padding:0;
}
.burger span{
  display:block;
  width:20px; height:1.5px;
  background:var(--text);
  transition:transform .3s var(--ease), opacity .2s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }
@media (min-width:1000px){ .burger{ display:none; } }

/* ---------- mobile menu ---------- */

.mobile-menu{
  position:fixed;
  inset:var(--header-h) 0 0 0;
  z-index:99;
  background:rgba(5,7,12,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:40px 16px 48px;
  display:flex;
  flex-direction:column;
  gap:28px;
}
.mobile-menu[hidden]{ display:none; }
.mobile-menu nav{ display:flex; flex-direction:column; gap:4px; }
.mobile-menu nav a{
  font-family:"Archivo",sans-serif;
  font-weight:700;
  text-transform:uppercase;
  font-size:30px;
  letter-spacing:-.02em;
  padding:10px 0;
  border-bottom:1px solid var(--border);
}

/* ---------- hero ---------- */

.hero{
  position:relative;
  padding-top:calc(var(--header-h) + 48px);
  padding-bottom:88px;
  overflow:hidden;
  isolation:isolate;
}
@media (min-width:768px){
  .hero{
    padding-top:calc(var(--header-h) + 100px);
    padding-bottom:120px;
    min-height:min(880px,94vh);
    display:flex;
    align-items:center;
  }
}

/* The source photo is 2.33:1, so filling a tall phone hero with it would crop
   it into an unreadable close-up. On phones it runs as a band inside the flow,
   right under the buttons, where the whole port scene still reads. From 768px
   up it becomes the full-bleed background of the hero. */
.hero-photo{
  position:relative;
  height:210px;
  margin-top:4px;
  border-radius:var(--r-card);
  border:1px solid var(--border);
  overflow:hidden;
  background-image:url("../assets/hero.jpg");
  background-size:cover;
  background-position:68% 46%;
  background-repeat:no-repeat;
  pointer-events:none;
}
.hero-photo::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,7,12,.28) 0%,rgba(5,7,12,.1) 45%,rgba(5,7,12,.42) 100%);
}
@media (min-width:768px){
  .hero-photo{
    position:absolute;
    z-index:-3;
    inset:0;
    height:auto;
    margin:0;
    border:0;
    border-radius:0;
    background-position:72% 60%;
  }
  .hero-photo::after{
    /* desktop: keep the left column dark, let the car breathe on the right */
    background:
      linear-gradient(180deg,transparent 55%,rgba(5,7,12,.55) 82%,var(--bg) 100%),
      linear-gradient(97deg,
        var(--bg) 0%,
        rgba(5,7,12,.96) 26%,
        rgba(5,7,12,.82) 46%,
        rgba(5,7,12,.42) 68%,
        rgba(5,7,12,.24) 88%,
        rgba(5,7,12,.5) 100%);
  }
}

.hero-glow{
  position:absolute;
  z-index:-2;
  top:-30%; right:-10%;
  width:min(760px,100vw);
  aspect-ratio:1;
  background:radial-gradient(circle at center,rgba(37,99,235,.2) 0%,rgba(37,99,235,.05) 45%,transparent 70%);
  filter:blur(18px);
  pointer-events:none;
}
.hero-grid{
  position:absolute;
  z-index:-1;
  inset:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 25% 30%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 25% 30%,#000 20%,transparent 75%);
  pointer-events:none;
}

.hero-inner{ display:flex; flex-direction:column; gap:26px; }

.hero-title{
  font-size:clamp(36px,10.5vw,124px);
  overflow-wrap:break-word;
}

.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:6px; }

.hero-facts{
  display:grid;
  gap:18px;
  margin-top:28px;
  padding-top:34px;
  border-top:1px solid var(--border);
}
@media (min-width:768px){
  .hero-facts{ grid-template-columns:repeat(3,1fr); gap:32px; }
}
.hero-facts li{ display:flex; gap:14px; align-items:flex-start; }
.hero-facts svg{
  flex:none;
  width:26px; height:26px;
  stroke:var(--accent-bright);
  stroke-width:1.4;
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.hero-facts span{ display:flex; flex-direction:column; gap:2px; font-size:14px; color:var(--text-dim); }
.hero-facts strong{ color:var(--text); font-size:15px; font-weight:600; }

/* ---------- generic section ---------- */

.section{
  padding-block:clamp(72px,9vw,132px);
  position:relative;
}

.section-head{ display:flex; flex-direction:column; gap:20px; align-items:flex-start; }
.section-head .display{ font-size:clamp(36px,6.4vw,76px); }
.section-head + *{ margin-top:clamp(40px,5vw,64px); }

/* ---------- service cards ---------- */

.cards{
  display:grid;
  gap:16px;
  grid-template-columns:1fr;
}
@media (min-width:640px){ .cards{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1024px){ .cards{ grid-template-columns:repeat(3,1fr); gap:20px; } }

.card{
  position:relative;
  padding:30px 26px 32px;
  border-radius:var(--r-card);
  background:linear-gradient(160deg,var(--surface-2) 0%,var(--surface) 100%);
  border:1px solid var(--border);
  overflow:hidden;
  transition:border-color .3s var(--ease), transform .3s var(--ease);
}
.card::before{
  content:"";
  position:absolute; inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(59,130,246,.55),transparent);
  opacity:0;
  transition:opacity .3s var(--ease);
}
.card:hover{ border-color:var(--border-strong); transform:translateY(-4px); }
.card:hover::before{ opacity:1; }

.card-num{
  font-family:"Archivo",sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
}
.card h3{
  font-size:19px;
  font-weight:600;
  margin:14px 0 10px;
  letter-spacing:-.01em;
}
.card p{ color:var(--text-muted); font-size:15px; }

/* ---------- inspection ---------- */

.inspection-grid{ display:grid; gap:36px; }
@media (min-width:1024px){
  .inspection-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:64px;
    align-items:center;
  }
}

.inspection-media{
  position:relative;
  margin:0;
  border-radius:var(--r-card);
  border:1px solid var(--border);
  overflow:hidden;
}
.inspection-media img{
  display:block;
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.inspection-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(205deg,transparent 45%,rgba(5,7,12,.4) 100%);
  pointer-events:none;
}

.inspection-copy{ display:flex; flex-direction:column; gap:20px; align-items:flex-start; }
.inspection-copy .display{ font-size:clamp(32px,5.2vw,58px); }

.checks{ display:flex; flex-direction:column; gap:13px; }
.checks li{
  position:relative;
  padding-left:30px;
  color:var(--text-muted);
  font-size:15px;
}
.checks li::before{
  content:"";
  position:absolute;
  left:2px; top:6px;
  width:13px; height:7px;
  border-left:1.7px solid var(--accent-bright);
  border-bottom:1.7px solid var(--accent-bright);
  transform:rotate(-45deg);
}

/* ---------- process ---------- */

.process-grid{ display:grid; gap:44px; }
@media (min-width:1024px){
  .process-grid{ grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); gap:64px; align-items:start; }
}

.process-aside{ display:flex; flex-direction:column; gap:22px; align-items:flex-start; }
.process-aside .display{ font-size:clamp(36px,6.4vw,76px); }
@media (min-width:1024px){
  .process-aside{ position:sticky; top:calc(var(--header-h) + 48px); }
}

/* Decorative, and it lives inside the sticky column — so it only appears where
   the viewport is tall enough that the column still fits on screen. Otherwise
   the sticky aside would outgrow the viewport and clip its own button. */
.process-media{
  display:none;
  margin:10px 0 0;
  width:100%;
  border-radius:var(--r-card);
  border:1px solid var(--border);
  overflow:hidden;
}
.process-media img{
  display:block;
  width:100%;
  height:270px;
  object-fit:cover;
  object-position:center 42%;
}
@media (min-width:1024px) and (min-height:840px){
  .process-media{ display:block; }
}

.steps{ display:flex; flex-direction:column; gap:14px; }

.step{
  position:relative;
  padding:26px 26px 28px 26px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--border);
  transition:border-color .3s var(--ease), background-color .3s var(--ease);
}
.step:hover{ border-color:rgba(59,130,246,.45); background:var(--surface-2); }

.step-num{
  position:absolute;
  top:24px; right:26px;
  font-family:"Archivo",sans-serif;
  font-size:14px;
  font-weight:700;
  color:var(--text-dim);
  letter-spacing:.1em;
}
.step h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:8px;
  padding-right:44px;
  letter-spacing:-.01em;
}
.step p{ color:var(--text-muted); font-size:15px; }

@media (min-width:768px){
  .steps{ gap:16px; }
  .step{ padding:30px 32px 32px; }
}

/* ---------- tiles (why us) ---------- */

.tiles{
  display:grid;
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
}
@media (min-width:640px){ .tiles{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1024px){ .tiles{ grid-template-columns:repeat(3,1fr); } }

.tile{
  background:var(--surface);
  padding:32px 28px 34px;
  transition:background-color .3s var(--ease);
}
.tile:hover{ background:var(--surface-2); }
.tile h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  letter-spacing:-.01em;
}
.tile h3::before{
  content:"";
  display:block;
  width:26px; height:2px;
  background:var(--accent);
  margin-bottom:16px;
  border-radius:2px;
}
.tile p{ color:var(--text-muted); font-size:15px; }

/* ---------- worldwide ---------- */

.world-card{
  position:relative;
  border-radius:24px;
  border:1px solid var(--border-strong);
  background:
    radial-gradient(ellipse 60% 100% at 100% 0%,rgba(37,99,235,.16) 0%,transparent 60%),
    linear-gradient(160deg,rgba(17,23,38,.9) 0%,rgba(11,15,23,.94) 100%);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:0 40px 80px -40px rgba(0,0,0,.8);
  padding:40px 26px;
  display:grid;
  gap:36px;
  overflow:hidden;
}
@media (min-width:768px){ .world-card{ padding:56px 48px; } }
@media (min-width:1024px){
  .world-card{
    grid-template-columns:minmax(0,.6fr) minmax(0,1fr);
    gap:48px;
    align-items:stretch;
  }
}

.world-media{
  margin:0;
  border-radius:var(--r-card);
  border:1px solid var(--border);
  overflow:hidden;
}
.world-media img{
  display:block;
  width:100%;
  height:100%;
  min-height:240px;
  max-height:340px;
  object-fit:cover;
  object-position:center 45%;
}
@media (min-width:1024px){
  .world-media img{ max-height:none; }
}

.world-body{ display:flex; flex-direction:column; gap:30px; min-width:0; }

.world-copy{ display:flex; flex-direction:column; gap:10px; align-items:flex-start; max-width:62ch; }
.world-copy p{ color:var(--text-muted); font-size:15px; }
.world-sub{
  font-family:"Archivo",sans-serif;
  font-size:22px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:-.01em;
}

.regions{
  display:grid;
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
}
/* two columns only — the card's text column is narrowed by the photo beside it,
   and three would squeeze each port list into a ragged stack */
@media (min-width:600px){ .regions{ grid-template-columns:repeat(2,1fr); } }

.region{
  position:relative;
  background:rgba(5,7,12,.5);
  padding:20px 22px 22px;
  transition:background-color .3s var(--ease);
}
.region:hover{ background:rgba(37,99,235,.08); }
.region-num{
  position:absolute;
  top:20px; right:22px;
  font-family:"Archivo",sans-serif;
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--text-dim);
  transition:color .3s var(--ease);
}
.region:hover .region-num{ color:var(--accent-bright); }
.region h4{
  margin:0 0 6px;
  padding-right:32px;
  font-family:"Archivo",sans-serif;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.005em;
  text-transform:uppercase;
  color:var(--text);
}
.region h4::before{
  content:"";
  display:inline-block;
  width:7px; height:7px;
  margin:0 10px 2px 0;
  border-radius:50%;
  background:var(--accent-bright);
  box-shadow:0 0 0 3px rgba(37,99,235,.2);
  vertical-align:middle;
}
.region p{
  font-size:14.5px;
  color:var(--text-muted);
  line-height:1.55;
}

.regions-note{
  font-size:14px;
  color:var(--text-dim);
  max-width:56ch;
  margin-top:-14px;
}

/* ---------- faq ---------- */

.faq-grid{ display:grid; gap:44px; }
@media (min-width:1024px){
  .faq-grid{ grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr); gap:64px; align-items:start; }
  .faq-grid .section-head + *{ margin-top:0; }
}

.faq-list{ border-top:1px solid var(--border); }

.faq-item{ border-bottom:1px solid var(--border); }
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 44px 22px 0;
  position:relative;
  font-size:17px;
  font-weight:500;
  letter-spacing:-.01em;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary:hover{ color:var(--accent-soft); }
.faq-item summary::after{
  content:"";
  position:absolute;
  right:6px; top:50%;
  width:11px; height:11px;
  border-right:1.6px solid var(--accent-bright);
  border-bottom:1.6px solid var(--accent-bright);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .3s var(--ease);
}
.faq-item[open] summary::after{ transform:translateY(-20%) rotate(225deg); }
.faq-body{ padding:0 44px 24px 0; }
.faq-body p{ color:var(--text-muted); font-size:15px; }

/* ---------- contact ---------- */

.contact-grid{ display:grid; gap:20px; }
@media (min-width:1024px){
  .contact-grid{ grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:24px; }
}

.channels{ display:flex; flex-direction:column; gap:12px; }

.channel{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:16px;
  padding:22px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--border);
  background:var(--surface);
  transition:border-color .3s var(--ease), background-color .3s var(--ease), transform .3s var(--ease);
}
.channel:hover{
  border-color:rgba(59,130,246,.5);
  background:var(--surface-2);
  transform:translateX(3px);
}
.channel svg{
  width:24px; height:24px;
  stroke:var(--accent-bright);
  stroke-width:1.4;
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.channel > span{ display:flex; flex-direction:column; font-size:16px; min-width:0; overflow-wrap:anywhere; }
.channel strong{ font-size:13px; font-weight:600; color:var(--text-dim); letter-spacing:.08em; text-transform:uppercase; }
.channel em{
  font-style:normal;
  font-size:12px;
  color:var(--text-dim);
  text-align:right;
}
@media (max-width:420px){ .channel em{ display:none; } }

.office{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:start;
  gap:16px;
  margin-top:4px;
  padding:22px 24px;
  border-radius:var(--r-card);
  border:1px dashed rgba(147,180,255,.28);
  font-style:normal;
  font-size:15px;
  line-height:1.6;
  color:var(--text);
}
.office svg{
  width:24px; height:24px;
  margin-top:2px;
  stroke:var(--accent-bright);
  stroke-width:1.4;
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.office strong{
  display:block;
  margin-bottom:2px;
  font-size:13px;
  font-weight:600;
  color:var(--text-dim);
  letter-spacing:.08em;
  text-transform:uppercase;
}
.contact .office{
  background:rgba(11,15,23,.6);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}

/* form */

.lead-form{
  padding:30px 24px 32px;
  border-radius:var(--r-card);
  border:1px solid var(--border);
  background:linear-gradient(160deg,var(--surface-2) 0%,var(--surface) 100%);
  display:flex;
  flex-direction:column;
  gap:18px;
}
@media (min-width:768px){ .lead-form{ padding:40px 38px 42px; } }

.lead-form h3{
  font-family:"Archivo",sans-serif;
  text-transform:uppercase;
  letter-spacing:-.01em;
  font-size:22px;
  font-weight:700;
}

.field{ display:flex; flex-direction:column; gap:7px; }
.field-row{ display:grid; gap:18px; }
@media (min-width:560px){ .field-row{ grid-template-columns:repeat(2,1fr); } }

.field label{
  font-size:13px;
  font-weight:500;
  color:var(--text-muted);
}
.field label span{ color:var(--accent-bright); }

.field input,
.field textarea{
  width:100%;
  padding:14px 16px;
  border-radius:12px;
  background:rgba(5,7,12,.6);
  border:1px solid var(--border);
  color:var(--text);
  font-family:inherit;
  font-size:15px;
  transition:border-color .2s var(--ease), background-color .2s var(--ease);
}
.field textarea{ resize:vertical; min-height:110px; }
/* iOS Safari zooms the whole page into any field with text under 16px */
@media (max-width:767px){
  .field input,
  .field textarea{ font-size:16px; }
}
.field input::placeholder,
.field textarea::placeholder{ color:var(--text-dim); }
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--accent);
  background:rgba(37,99,235,.06);
}
.field input.is-invalid,
.field textarea.is-invalid{ border-color:var(--cta); }

.error{
  font-size:12.5px;
  color:#FF8A94;
  min-height:0;
}
.error:empty{ display:none; }

.hp{
  position:absolute;
  width:1px; height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
}

.form-status{
  font-size:14px;
  color:var(--text-muted);
  padding:12px 16px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(37,99,235,.07);
}
.form-status:empty{ display:none; }
.form-status.is-error{
  color:#FF8A94;
  border-color:rgba(225,29,46,.4);
  background:rgba(225,29,46,.08);
}

/* ---------- footer ---------- */

.site-footer{
  border-top:1px solid var(--border);
  padding-top:56px;
  padding-bottom:28px;
  background:linear-gradient(180deg,rgba(11,15,23,.6) 0%,var(--bg) 100%);
}
.footer-inner{
  display:flex;
  flex-direction:column;
  gap:32px;
  padding-bottom:36px;
}
@media (min-width:768px){
  .footer-inner{ flex-direction:row; justify-content:space-between; align-items:flex-start; gap:48px; }
}
.footer-brand{ display:flex; flex-direction:column; gap:14px; max-width:340px; }
.footer-brand img{ width:170px; }
.footer-brand p{ color:var(--text-dim); font-size:14px; }

.footer-nav{
  display:grid;
  grid-template-columns:repeat(2,auto);
  gap:12px 40px;
}
@media (min-width:768px){ .footer-nav{ grid-template-columns:repeat(2,auto); } }
.footer-nav a{ font-size:14px; color:var(--text-muted); transition:color .2s var(--ease); }
.footer-nav a:hover{ color:var(--text); }

.footer-contact{
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:14px;
  color:var(--text-muted);
}
.footer-contact a{ color:var(--text); font-weight:500; transition:color .2s var(--ease); }
.footer-contact a:hover{ color:var(--accent-soft); }
.footer-contact address{ font-style:normal; line-height:1.6; }

.footer-bottom{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding-top:24px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-dim);
}
@media (min-width:640px){
  .footer-bottom{ flex-direction:row; justify-content:space-between; }
}

/* =========================================================
   Section backgrounds
   Each .deco layer sits behind the section content. The story runs
   sea currents → inspection band → navigation → night sea → world
   routes → the port again at the end.
   ========================================================= */

.section{ isolation:isolate; overflow-x:clip; }
.section > .shell{ position:relative; z-index:1; }

.deco{
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
}

/* services: current / depth lines drifting in from the right */
.deco-sea{
  background:url("../assets/sea-lines.svg") right center / 1300px auto no-repeat;
  -webkit-mask-image:linear-gradient(100deg,transparent 18%,#000 62%),linear-gradient(180deg,transparent 0%,#000 18%,#000 80%,transparent 100%);
  mask-image:linear-gradient(100deg,transparent 18%,#000 62%),linear-gradient(180deg,transparent 0%,#000 18%,#000 80%,transparent 100%);
  -webkit-mask-composite:source-in;
  mask-composite:intersect;
}
.deco-sea::after{
  content:"";
  position:absolute;
  right:-10%; top:10%;
  width:60%; height:70%;
  background:radial-gradient(ellipse at center,rgba(37,99,235,.14) 0%,transparent 65%);
}
@media (max-width:767px){
  .deco-sea{
    background-size:900px auto;
    background-position:60% 30%;
    -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 12%,rgba(0,0,0,.5) 60%,transparent 100%);
    mask-image:linear-gradient(180deg,transparent 0%,#000 12%,rgba(0,0,0,.5) 60%,transparent 100%);
  }
}

/* inspection: a lifted band so the block reads as its own chapter */
.deco-band{
  background:
    radial-gradient(ellipse 45% 60% at 22% 50%,rgba(37,99,235,.16) 0%,transparent 70%),
    linear-gradient(180deg,transparent 0%,rgba(14,20,36,.85) 16%,rgba(14,20,36,.85) 84%,transparent 100%);
}
.deco-band::before,
.deco-band::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(59,130,246,.35),transparent);
}
.deco-band::before{ top:16%; }
.deco-band::after{ bottom:16%; }

/* process: a large compass rose, slowly turning */
.deco-compass{ overflow:hidden; }
.deco-compass::before{
  content:"";
  position:absolute;
  width:min(760px,130vw);
  aspect-ratio:1;
  left:-12%;
  bottom:-18%;
  background:url("../assets/compass.svg") center / contain no-repeat;
  opacity:.55;
  animation:compass-turn 240s linear infinite;
}
@media (max-width:1023px){
  .deco-compass::before{ left:auto; right:-45%; bottom:auto; top:-6%; opacity:.35; }
}
@keyframes compass-turn{ to{ transform:rotate(360deg); } }

/* timeline linking the process steps */
@media (min-width:768px){
  .steps{ position:relative; padding-left:38px; }
  .steps::before{
    content:"";
    position:absolute;
    left:9px; top:24px; bottom:24px;
    width:1px;
    background:linear-gradient(180deg,transparent,rgba(59,130,246,.55) 6%,rgba(59,130,246,.55) 94%,transparent);
  }
  .step::before{
    content:"";
    position:absolute;
    left:-34.5px; top:31px;
    width:11px; height:11px;
    border-radius:50%;
    background:var(--bg);
    border:1.5px solid var(--accent-bright);
    box-shadow:0 0 0 5px rgba(37,99,235,.1);
    transition:background-color .3s var(--ease), box-shadow .3s var(--ease);
  }
  .step:hover::before{
    background:var(--accent-bright);
    box-shadow:0 0 0 6px rgba(37,99,235,.22),0 0 18px rgba(59,130,246,.6);
  }
}

/* why us: night sea along the bottom of the section */
.why{ padding-bottom:clamp(150px,16vw,240px); }
.deco-waves{
  top:auto;
  height:clamp(260px,30vw,420px);
  background:url("../assets/waves.svg") center bottom / cover no-repeat;
}
.deco-waves::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,var(--bg) 0%,transparent 30%);
}
.why .tiles{ box-shadow:0 30px 70px -30px rgba(0,0,0,.9); }

/* worldwide: the map is content here, not just decoration */
.worldwide{ padding-top:clamp(40px,5vw,72px); }
.world-head{ align-items:center; text-align:center; margin-inline:auto; }
.world-head .lead{ margin-inline:auto; }

.world-map{
  position:relative;
  margin:clamp(24px,4vw,48px) -16px 0;
}
.world-map::before{
  content:"";
  position:absolute;
  inset:10% 15%;
  background:radial-gradient(ellipse at 42% 40%,rgba(37,99,235,.12) 0%,transparent 70%);
  z-index:-1;
}
.world-map img{
  display:block;
  width:100%;
  height:auto;
  -webkit-mask-image:radial-gradient(ellipse 72% 90% at 50% 45%,#000 60%,transparent 100%);
  mask-image:radial-gradient(ellipse 72% 90% at 50% 45%,#000 60%,transparent 100%);
}
@media (max-width:767px){
  /* on a phone the full map is too small to read, so bleed it wider and centre on Korea */
  .world-map{ margin-inline:-16px; overflow:hidden; }
  .world-map img{ width:190%; max-width:none; margin-left:-28%; }
}
@media (min-width:768px){ .world-map{ margin-inline:0; } }

.world-map + .world-card{ margin-top:clamp(-72px,-5vw,-24px); }

/* faq: soft glow on the heading side */
.deco-glow{
  background:
    radial-gradient(ellipse 40% 50% at 10% 30%,rgba(37,99,235,.13) 0%,transparent 70%),
    radial-gradient(ellipse 30% 40% at 95% 90%,rgba(37,99,235,.08) 0%,transparent 70%);
}

/* contact: the port at night returns under the final call to action */
.deco-port{
  background:
    linear-gradient(180deg,var(--bg) 0%,rgba(5,7,12,.86) 38%,rgba(5,7,12,.7) 70%,rgba(5,7,12,.92) 100%),
    url("../assets/hero.jpg") 70% 70% / cover no-repeat;
}
.contact .channel,
.contact .lead-form{
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.contact .channel{ background:rgba(11,15,23,.78); }
.contact .channel:hover{ background:rgba(17,23,38,.92); }
.contact .lead-form{
  background:linear-gradient(160deg,rgba(17,23,38,.88) 0%,rgba(11,15,23,.9) 100%);
}

@media (prefers-reduced-motion: reduce){
  .deco-compass::before{ animation:none; }
}

/* ---------- reveal on scroll ---------- */

.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .btn:hover,.card:hover,.channel:hover{ transform:none; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}