/* ==========================================================================
   IndusBridge Trading — Core Stylesheet
   Edit brand colors / fonts once here — reflects across the entire site.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* ---- Brand palette (from IndusBridge Brand Guidelines) ---- */
  --navy: #0B1F3A;
  --navy-deep: #071528;
  --navy-soft: #12294d;
  --gold: #F4A300;
  --gold-deep: #C87F00;
  --white: #FFFFFF;
  --gray-light: #F5F5F5;
  --gray-mid: #C7CCD4;
  --gray-dark: #333333;
  --river: #14586A;      /* supporting accent — "Indus" river motif, used sparingly */
  --success: #1E7A46;

  /* ---- Type ---- */
  --font-display: 'Montserrat', -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Montserrat', -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* ---- Layout ---- */
  --max-w: 1240px;
  --header-h: 84px;
  --radius: 4px;
  --radius-lg: 10px;

  /* ---- Motion ---- */
  --ease: cubic-bezier(.22,.61,.36,1);
  --speed: .5s;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--gray-dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height:1.6;
  font-size: 16px;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4,h5{ font-family:var(--font-display); font-weight:800; color:var(--navy); margin:0 0 .5em; letter-spacing:-.01em; line-height:1.15; }
p{ margin:0 0 1em; }

::selection{ background: var(--gold); color: var(--navy); }

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---- Layout helpers ---- */
.wrap{ max-width:var(--max-w); margin:0 auto; padding:0 28px; }
.section{ padding: 96px 0; }
.section-sm{ padding: 56px 0; }
.section-tight{ padding: 72px 0; }
.bg-light{ background:var(--gray-light); }
.bg-navy{ background: var(--navy); color: rgba(255,255,255,.86); }
.bg-navy h1,.bg-navy h2,.bg-navy h3,.bg-navy h4{ color:var(--white); }
.bg-navy-grad{ background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, var(--navy-soft) 100%); color: rgba(255,255,255,.88); }
.grid{ display:grid; gap: 40px; }
.g-2{ grid-template-columns: repeat(2,1fr); }
.g-3{ grid-template-columns: repeat(3,1fr); }
.g-4{ grid-template-columns: repeat(4,1fr); }
.g-5{ grid-template-columns: repeat(5,1fr); }
@media(max-width:980px){ .g-3,.g-4,.g-5{ grid-template-columns: repeat(2,1fr);} }
@media(max-width:640px){ .g-2,.g-3,.g-4,.g-5{ grid-template-columns: 1fr;} }

.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-mono); font-size:.72rem; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color: var(--gold-deep);
  margin-bottom:16px;
}
.eyebrow::before{ content:''; width:26px; height:2px; background:var(--gold); display:inline-block; }
.bg-navy .eyebrow, .bg-navy-grad .eyebrow{ color: var(--gold); }

.kicker-title{ font-size: clamp(1.9rem, 3.2vw, 2.6rem); max-width: 780px; }
.lede{ font-size:1.1rem; color:#5b6270; max-width:640px; }
.bg-navy .lede,.bg-navy-grad .lede{ color: rgba(255,255,255,.72); }

.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---- Buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 15px 30px; border-radius: var(--radius); font-weight:600; font-size:.92rem;
  border: 1.5px solid transparent; transition: all .28s var(--ease); white-space:nowrap;
}
.btn-gold{ background:var(--gold); color:var(--navy); }
.btn-gold:hover{ background:var(--gold-deep); transform:translateY(-2px); box-shadow:0 10px 24px -8px rgba(244,163,0,.55); }
.btn-outline{ border-color: rgba(255,255,255,.4); color:var(--white); }
.btn-outline:hover{ border-color:var(--white); background:rgba(255,255,255,.08); transform:translateY(-2px); }
.btn-navy-outline{ border-color: var(--navy); color:var(--navy); }
.btn-navy-outline:hover{ background:var(--navy); color:var(--white); transform:translateY(-2px); }
.btn-block{ width:100%; }
.btn-sm{ padding:10px 20px; font-size:.82rem; }
.btn-row{ display:flex; gap:16px; flex-wrap:wrap; align-items:center; }

/* ==========================================================================
   HEADER
   ========================================================================== */
#site-header{
  position:sticky; top:0; z-index:1000;
  background: rgba(11,31,58,.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  height:var(--header-h);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:var(--header-h); gap:24px; }
.brand{ display:flex; align-items:center; gap:12px; flex-shrink:0; }

/* ---- Logo slot: shared by header + footer, single source file ----
   Native artwork is 329x123px (ratio 2.675:1). Displayed at a fixed
   height everywhere so header + footer always match, regardless of the
   file's native resolution. Change --logo-h in one place to resize
   the logo across the whole site. */
.logo-slot{ --logo-h: 44px; display:flex; align-items:center; flex-shrink:0; }
.site-logo{ height:var(--logo-h) !important; width:auto !important; max-width:none !important; max-height:none !important; display:block; }
.logo-ph{
  height:var(--logo-h); width:calc(var(--logo-h) * 329 / 123);
  border:1.5px dashed rgba(255,255,255,.32); border-radius:6px;
  display:flex; align-items:center; justify-content:center; gap:6px;
  color:rgba(255,255,255,.42); font-family:var(--font-mono); font-size:.6rem;
  letter-spacing:.06em; text-transform:uppercase; flex-shrink:0;
}
.logo-ph svg{ width:16px; height:16px; flex-shrink:0; }

.main-nav{ display:flex; align-items:center; gap:2px; }
.main-nav > ul{ display:flex; align-items:center; gap:2px; }
.main-nav a.nav-link{
  color: rgba(255,255,255,.82); font-size:.88rem; font-weight:500; padding:10px 16px; border-radius:var(--radius);
  transition: all .2s; position:relative;
}
.main-nav a.nav-link:hover, .main-nav li.has-dd:hover > a.nav-link{ color:var(--white); background:rgba(255,255,255,.07); }
.main-nav li.current > a.nav-link{ color:var(--gold); }

.has-dd{ position:relative; }
.dd-panel{
  position:absolute; top:100%; left:0; margin-top:10px; min-width:300px;
  background:var(--white); border-radius: var(--radius-lg); box-shadow:0 22px 48px -14px rgba(7,21,40,.45);
  padding:10px; opacity:0; visibility:hidden; transform:translateY(8px);
  transition: all .22s var(--ease); border:1px solid rgba(11,31,58,.06);
}
.has-dd:hover .dd-panel{ opacity:1; visibility:visible; transform:translateY(0); }
.dd-panel a{ display:flex; align-items:center; justify-content:space-between; gap:10px; padding:12px 14px; border-radius:6px; color:var(--navy); font-size:.87rem; font-weight:500; }
.dd-panel a:hover{ background:var(--gray-light); color:var(--gold-deep); }
.dd-panel a small{ display:block; font-weight:400; color:#8a909b; font-size:.74rem; margin-top:2px; }
.dd-panel .dd-all{ border-top:1px solid var(--gray-light); margin-top:6px; padding-top:12px; font-weight:600; color:var(--gold-deep); }

.header-cta{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.header-cta .btn{ padding:12px 22px; }

.nav-toggle{ display:none; background:none; border:none; padding:8px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--white); margin:5px 0; transition:.25s; }

@media(max-width:980px){
  .main-nav{ position:fixed; inset:var(--header-h) 0 0 0; background:var(--navy-deep); flex-direction:column;
    align-items:stretch; padding:20px; overflow-y:auto; transform:translateX(100%); transition:transform .32s var(--ease); }
  .main-nav.open{ transform:translateX(0); }
  .main-nav > ul{ flex-direction:column; align-items:stretch; gap:2px; }
  .dd-panel{ position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; background:rgba(255,255,255,.04); display:none; margin-top:4px; }
  .has-dd.dd-open .dd-panel{ display:block; }
  .dd-panel a{ color:rgba(255,255,255,.85); }
  .dd-panel a:hover{ background:rgba(255,255,255,.08); color:var(--gold); }
  .header-cta{ display:none; }
  .nav-toggle{ display:block; }
}

/* ==========================================================================
   HERO / ROUTE MOTIF
   ========================================================================== */
.hero{ position:relative; padding: 110px 0 90px; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap:56px; align-items:center; }
@media(max-width:980px){ .hero-grid{ grid-template-columns:1fr; } }
.hero h1{ font-size: clamp(2.3rem, 4.4vw, 3.6rem); color:var(--white); }
.hero h1 em{ font-style:normal; color:var(--gold); }
.hero-badges{ display:flex; gap:22px; flex-wrap:wrap; margin-top:44px; padding-top:32px; border-top:1px solid rgba(255,255,255,.14); }
.hero-badge{ font-size:.82rem; color:rgba(255,255,255,.68); display:flex; align-items:center; gap:9px; }
.hero-badge svg{ flex-shrink:0; color:var(--gold); }

.route-graphic{ position:relative; }
.route-svg{ width:100%; height:auto; }
.route-dash{ stroke-dasharray: 8 7; animation: dashmove 2.4s linear infinite; }
@keyframes dashmove{ to{ stroke-dashoffset:-90; } }
.route-pulse{ animation: pulseDot 2.6s ease-in-out infinite; transform-origin:center; }
@keyframes pulseDot{ 0%,100%{ opacity:.55; transform:scale(1);} 50%{ opacity:1; transform:scale(1.35);} }

/* Section divider motif — thin route line, echoes hero, replaces generic rules */
.route-divider{ display:flex; align-items:center; gap:14px; margin: 0 0 44px; }
.route-divider svg{ flex-shrink:0; }
.route-divider .rd-label{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:#9aa1ad; white-space:nowrap; }

/* ==========================================================================
   CARDS
   ========================================================================== */
.card{ background:var(--white); border:1px solid #ECEEF1; border-radius:var(--radius-lg); padding:32px; transition: all .3s var(--ease); }
.card:hover{ transform:translateY(-4px); box-shadow: 0 24px 46px -20px rgba(11,31,58,.18); border-color:transparent; }
.card-icon{ width:52px; height:52px; border-radius:10px; background:var(--gray-light); display:flex; align-items:center; justify-content:center; color:var(--navy); margin-bottom:20px; }
.card h3{ font-size:1.08rem; margin-bottom:10px; }
.card p{ color:#666c76; font-size:.93rem; margin-bottom:0; }

/* Product category card */
.pcard{ position:relative; border-radius:var(--radius-lg); overflow:hidden; background:var(--navy); aspect-ratio:4/5; display:flex; flex-direction:column; justify-content:flex-end; }
.pcard img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition: transform .55s var(--ease); opacity:.82; }
.pcard:hover img{ transform:scale(1.08); }
.pcard::after{ content:''; position:absolute; inset:0; background: linear-gradient(0deg, rgba(7,21,40,.92) 5%, rgba(7,21,40,.35) 55%, rgba(7,21,40,.15) 100%); }
.pcard-body{ position:relative; z-index:2; padding:26px; }
.pcard-tag{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gold); margin-bottom:8px; display:block; }
.pcard h3{ color:var(--white); font-size:1.2rem; margin-bottom:8px; }
.pcard p{ color:rgba(255,255,255,.72); font-size:.85rem; margin-bottom:14px; }
.pcard-link{ font-size:.82rem; font-weight:600; color:var(--white); display:inline-flex; align-items:center; gap:6px; }
.pcard-link svg{ transition:transform .25s; }
.pcard:hover .pcard-link svg{ transform:translateX(4px); }

/* Process steps */
.step{ display:flex; gap:24px; padding: 30px 0; border-top:1px solid #ECEEF1; }
.step:last-child{ border-bottom:1px solid #ECEEF1; }
.step-num{ font-family:var(--font-mono); font-size:.9rem; color:var(--gold-deep); font-weight:500; flex-shrink:0; width:52px; padding-top:3px; }
.step-body h3{ font-size:1.12rem; margin-bottom:8px; }
.step-body p{ color:#666c76; margin-bottom:0; max-width:600px; }

/* Stat strip */
.stat{ text-align:center; padding:0 12px; }
.stat b{ display:block; font-family:var(--font-display); font-size:2.1rem; font-weight:800; color:var(--gold); }
.stat span{ font-size:.82rem; color:rgba(255,255,255,.66); }

/* Value / trust grid icon row */
.value-item{ display:flex; gap:18px; }
.value-icon{ width:46px; height:46px; border-radius:9px; background:var(--navy); color:var(--gold); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.value-item h4{ font-size:1rem; margin-bottom:6px; }
.value-item p{ font-size:.88rem; color:#666c76; margin-bottom:0; }

/* Logo / trust strip */
.strip{ display:flex; flex-wrap:wrap; gap:14px; align-items:center; justify-content:space-between; }
.chip{ display:flex; align-items:center; gap:10px; font-size:.82rem; color:#666c76; font-weight:500; }
.chip svg{ color: var(--success); flex-shrink:0; }

/* Table */
.spec-table{ width:100%; border-collapse:collapse; font-size:.9rem; }
.spec-table th{ text-align:left; font-family:var(--font-mono); font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color:#8a909b; font-weight:500; padding:12px 16px; border-bottom:2px solid var(--navy); }
.spec-table td{ padding:14px 16px; border-bottom:1px solid #ECEEF1; color:var(--gray-dark); }
.spec-table tr:hover td{ background:var(--gray-light); }

/* Breadcrumb */
.crumbs{ display:flex; gap:8px; align-items:center; font-size:.82rem; color:rgba(255,255,255,.55); flex-wrap:wrap; }
.crumbs a:hover{ color:var(--gold); }
.crumbs span{ color:rgba(255,255,255,.3); }

/* Page header (inner pages) */
.page-hero{ padding: 64px 0 56px; }
.page-hero h1{ color:var(--white); font-size:clamp(2rem,3.6vw,2.9rem); max-width:760px; margin-top:14px; }
.page-hero .lede{ margin-top:14px; }

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-card{ background:var(--white); border-radius:var(--radius-lg); padding:44px; box-shadow: 0 30px 70px -30px rgba(11,31,58,.25); border:1px solid #ECEEF1; }
.f-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:20px; }
@media(max-width:640px){ .f-row{ grid-template-columns:1fr; } }
.f-group{ margin-bottom:20px; }
.f-group label{ display:block; font-size:.82rem; font-weight:600; color:var(--navy); margin-bottom:8px; }
.f-group .hint{ font-weight:400; color:#9aa1ad; font-size:.78rem; }
.f-group input, .f-group select, .f-group textarea{
  width:100%; padding:13px 15px; border:1.5px solid #E1E4E9; border-radius:var(--radius); font-family:inherit; font-size:.92rem; color:var(--gray-dark); background:var(--white); transition:border-color .2s;
}
.f-group input:focus, .f-group select:focus, .f-group textarea:focus{ border-color:var(--gold); outline:none; }
.f-group textarea{ resize:vertical; min-height:120px; }
.f-check{ display:flex; align-items:flex-start; gap:10px; font-size:.83rem; color:#666c76; }
.f-check input{ width:auto; margin-top:3px; }
.checkbox-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
@media(max-width:640px){ .checkbox-grid{ grid-template-columns:1fr; } }
.chk-tile{ display:flex; align-items:center; gap:10px; padding:12px 14px; border:1.5px solid #E1E4E9; border-radius:var(--radius); font-size:.86rem; cursor:pointer; transition:.2s; }
.chk-tile:has(input:checked){ border-color:var(--gold); background:#FFF8EB; }
.chk-tile input{ width:auto; }
.form-note{ font-size:.78rem; color:#9aa1ad; margin-top:18px; display:flex; gap:8px; }
.form-success, .form-error{ display:none; padding:16px 18px; border-radius:var(--radius); font-size:.88rem; margin-bottom:20px; align-items:center; gap:10px; }
.form-success{ background:#EAF6EF; color:var(--success); }
.form-error{ background:#FCEAEA; color:#B23B3B; }
.form-success.show, .form-error.show{ display:flex; }

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-item{ border-bottom:1px solid #E5E8ED; }
.faq-q{ width:100%; display:flex; justify-content:space-between; align-items:center; gap:20px; padding:24px 4px; background:none; border:none; text-align:left; font-family:var(--font-display); font-weight:700; font-size:1.02rem; color:var(--navy); }
.faq-q svg{ flex-shrink:0; transition:transform .3s var(--ease); color:var(--gold-deep); }
.faq-item.open .faq-q svg{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .35s var(--ease); }
.faq-a p{ padding: 0 4px 24px; color:#666c76; max-width:760px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
#site-footer{ background:var(--navy-deep); color:rgba(255,255,255,.65); padding-top:80px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.1fr; gap:40px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,.08); }
@media(max-width:980px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .footer-top{ grid-template-columns:1fr; } }
.footer-top h5{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:rgba(255,255,255,.4); font-weight:500; margin-bottom:20px; }
.footer-top ul li{ margin-bottom:12px; }
.footer-top ul a{ font-size:.88rem; transition:color .2s; }
.footer-top ul a:hover{ color:var(--gold); }
.footer-brand .logo-slot{ margin-bottom:18px; }
.footer-brand p{ font-size:.88rem; max-width:280px; color:rgba(255,255,255,.5); }
.footer-social{ display:flex; gap:10px; margin-top:20px; }
.footer-social a{ width:36px; height:36px; border-radius:50%; border:1px solid rgba(255,255,255,.16); display:flex; align-items:center; justify-content:center; transition:.2s; }
.footer-social a:hover{ background:var(--gold); border-color:var(--gold); color:var(--navy); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding:26px 0; font-size:.78rem; color:rgba(255,255,255,.38); flex-wrap:wrap; gap:12px; }
.footer-bottom a:hover{ color:var(--gold); }
.footer-contact li{ display:flex; gap:10px; font-size:.87rem; margin-bottom:16px; align-items:flex-start; }
.footer-contact svg{ flex-shrink:0; margin-top:2px; color:var(--gold); }

/* ==========================================================================
   REVEAL ANIMATION (IntersectionObserver driven, see main.js)
   ========================================================================== */
.reveal{ opacity:0; transform:translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal-stagger > *{ opacity:0; transform:translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal-stagger.in > *{ opacity:1; transform:none; }
.reveal-stagger.in > *:nth-child(1){ transition-delay:.05s; }
.reveal-stagger.in > *:nth-child(2){ transition-delay:.12s; }
.reveal-stagger.in > *:nth-child(3){ transition-delay:.19s; }
.reveal-stagger.in > *:nth-child(4){ transition-delay:.26s; }
.reveal-stagger.in > *:nth-child(5){ transition-delay:.33s; }

/* ---- Image placeholder fallback ---- */
.img-ph{ background: linear-gradient(135deg,#EDEFF2,#E2E5EA); display:flex; align-items:center; justify-content:center; color:#B7BCC4; }
.img-ph svg{ width:34%; height:34%; }

/* ---- Misc ---- */
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{ font-family:var(--font-mono); font-size:.72rem; padding:6px 12px; border-radius:20px; background:var(--gray-light); color:var(--navy); border:1px solid #E5E8ED; }
.bg-navy .tag,.bg-navy-grad .tag{ background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.14); color:rgba(255,255,255,.82); }
.split{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
@media(max-width:900px){ .split{ grid-template-columns:1fr; gap:40px; } }
.cta-band{ background: linear-gradient(120deg, var(--navy) 0%, var(--navy-soft) 100%); border-radius:var(--radius-lg); padding:64px; position:relative; overflow:hidden; }
@media(max-width:640px){ .cta-band{ padding:40px 28px; } }
.back-link{ display:inline-flex; align-items:center; gap:8px; font-size:.85rem; font-weight:600; color:var(--navy); margin-bottom:20px; }
.back-link:hover{ color:var(--gold-deep); }
.wa-float{
  position:fixed; bottom:26px; right:26px; z-index:900; width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center; box-shadow:0 14px 30px -10px rgba(0,0,0,.4);
  transition: transform .25s;
}
.wa-float:hover{ transform:scale(1.08); }