/* ==========================================================================
   Triveni Concrete — Design System
   ========================================================================== */

:root{
  /* Sampled directly from the Triveni Concrete logo file */
  --navy-950:#0a2740;
  --navy-900:#0d3457;
  --navy-800:#12507f;
  --navy-700:#1264a4;
  --navy-100:#e5f0f8;
  --red-700:#9c3049;
  --red-600:#c0415c;
  --red-500:#d1607a;
  --green-700:#12703a;
  --green-600:#198f4b;
  --paper:#f6f5f1;
  --paper-2:#efece4;
  --ink:#1b1d1f;
  --ink-soft:#4a4f57;
  --ink-faint:#7b818c;
  --white:#ffffff;
  --line:#dfe0dc;
  --shadow-sm: 0 1px 2px rgba(10,39,64,.06), 0 1px 1px rgba(10,39,64,.04);
  --shadow-md: 0 8px 24px rgba(10,39,64,.10);
  --shadow-lg: 0 20px 50px rgba(10,39,64,.18);
  --radius-sm: 3px;
  --radius-md: 6px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--serif); font-weight:600; line-height:1.12; margin:0; color:var(--navy-950); letter-spacing:-0.01em; }
p{ margin:0; }
.container{ width:100%; max-width:1180px; margin:0 auto; padding:0 28px; }
.container-wide{ width:100%; max-width:1400px; margin:0 auto; padding:0 28px; }

/* -------------------- utility -------------------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--red-600); font-weight:600; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--red-600); display:block; }
.eyebrow.on-dark{ color:#e79284; }
.eyebrow.on-dark::before{ background:#e79284; }
.section{ padding:88px 0; }
.section-tight{ padding:56px 0; }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(28px,3.4vw,40px); }
.section-head p{ margin-top:14px; font-size:17px; color:var(--ink-soft); }
.bg-paper2{ background:var(--paper-2); }
.bg-navy{ background:var(--navy-950); color:#cfd7e6; }
.bg-navy h2, .bg-navy h3{ color:#fff; }

/* -------------------- buttons -------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--sans); font-weight:600; font-size:15px;
  padding:14px 26px; border-radius:2px; border:1.5px solid transparent;
  cursor:pointer; transition:all .18s ease; white-space:nowrap;
}
.btn-primary{ background:var(--red-600); color:#fff; border-color:var(--red-600); }
.btn-primary:hover{ background:var(--red-700); border-color:var(--red-700); }
.btn-ghost-dark{ border-color:rgba(255,255,255,.4); color:#fff; }
.btn-ghost-dark:hover{ border-color:#fff; background:rgba(255,255,255,.08); }
.btn-outline{ border-color:var(--navy-950); color:var(--navy-950); }
.btn-outline:hover{ background:var(--navy-950); color:#fff; }
.btn-sm{ padding:10px 18px; font-size:13.5px; }
.btn-wa{ background:#25D366; border-color:#25D366; color:#0a2e17; }
.btn-wa:hover{ background:#1ebd59; }

/* -------------------- header -------------------- */
.site-header{
  position:sticky; top:0; z-index:60; background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px); border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:58px; width:auto; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text b{ font-family:var(--serif); font-size:19px; color:var(--navy-950); }
.brand-text span{ font-family:var(--mono); font-size:10.5px; letter-spacing:.08em; color:var(--ink-faint); text-transform:uppercase; }
.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav a{ font-size:14.5px; font-weight:600; color:var(--navy-900); position:relative; padding:4px 0; }
.main-nav a.active, .main-nav a:hover{ color:var(--red-600); }
.header-cta{ display:flex; align-items:center; gap:14px; }
.header-phone{ font-family:var(--mono); font-size:13.5px; color:var(--navy-900); font-weight:600; }
.nav-toggle{ display:none; }

/* -------------------- hero -------------------- */
.hero{
  position:relative; color:#fff; overflow:hidden;
  background:linear-gradient(180deg, var(--navy-950), var(--navy-900));
}
.hero-media{ position:absolute; inset:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; opacity:.42; }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(10,39,64,.97) 18%, rgba(10,39,64,.72) 55%, rgba(10,39,64,.4) 100%);
}
.hero-inner{ position:relative; padding:150px 0 70px; }
.hero-inner h1{ color:#fff; font-size:clamp(38px,5.2vw,62px); max-width:760px; }
.hero-inner .lede{ margin-top:20px; font-size:19px; max-width:560px; color:#d7deea; }
.hero-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }
.hero-stats{
  position:relative; margin-top:64px; padding-top:34px; border-top:1px solid rgba(255,255,255,.16);
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.hero-stats .stat b{ display:block; font-family:var(--serif); font-size:30px; color:#fff; }
.hero-stats .stat span{ font-size:13px; color:#9fadc4; }

/* page hero (inner pages) */
.page-hero{ position:relative; color:#fff; background:var(--navy-950); overflow:hidden; }
.page-hero-media{ position:absolute; inset:0; }
.page-hero-media img{ width:100%; height:100%; object-fit:cover; opacity:.32; }
.page-hero-media::after{ content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(10,39,64,.55), rgba(10,39,64,.94)); }
.page-hero-inner{ position:relative; padding:118px 0 56px; }
.page-hero-inner h1{ color:#fff; font-size:clamp(32px,4.2vw,48px); max-width:700px; }
.page-hero-inner p{ margin-top:14px; color:#c7d1e2; max-width:560px; font-size:16.5px; }
.breadcrumb{ font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:#93a1bd; margin-bottom:16px; }
.breadcrumb a:hover{ color:#fff; }

/* -------------------- why-us strip -------------------- */
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); border:1px solid var(--line); background:#fff; }
.why-grid .why-item{ padding:34px 28px; border-right:1px solid var(--line); }
.why-grid .why-item:last-child{ border-right:none; }
.why-item .n{ font-family:var(--mono); font-size:13px; color:var(--red-600); font-weight:700; margin-bottom:14px; }
.why-item h3{ font-size:18px; margin-bottom:8px; }
.why-item p{ font-size:14.5px; color:var(--ink-soft); }

/* -------------------- product rows -------------------- */
.product-row{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; padding:64px 0; border-bottom:1px solid var(--line); }
.product-row:last-child{ border-bottom:none; }
.product-row.reverse .p-media{ order:2; }
.product-row.reverse .p-copy{ order:1; }
.p-media{ position:relative; }
.p-media img{ width:100%; height:420px; object-fit:cover; border-radius:var(--radius-sm); box-shadow:var(--shadow-md); }
.p-media .tag{
  position:absolute; bottom:-16px; left:24px; background:var(--navy-950); color:#fff;
  font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; padding:9px 16px; text-transform:uppercase;
}
.p-copy h3{ font-size:clamp(24px,2.6vw,32px); }
.p-copy .p-desc{ margin-top:14px; font-size:16px; color:var(--ink-soft); }
.p-quote{ margin-top:20px; padding:16px 20px; border-left:3px solid var(--red-600); background:var(--paper-2); font-size:14.5px; color:var(--ink-soft); }
.spec-row{ display:flex; gap:10px; margin-top:22px; flex-wrap:wrap; }
.spec-pill{ border:1px solid var(--line); background:#fff; padding:9px 16px; font-size:13px; font-family:var(--mono); }
.spec-pill b{ color:var(--navy-950); }
.spec-table{ width:100%; border-collapse:collapse; margin-top:22px; font-size:14.5px; }
.spec-table th{ text-align:left; font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-faint); padding:10px 14px; border-bottom:2px solid var(--navy-950); }
.spec-table td{ padding:10px 14px; border-bottom:1px solid var(--line); }
.spec-table tr:hover td{ background:var(--paper-2); }
.p-facts{ display:flex; gap:28px; margin-top:20px; }
.p-facts div b{ display:block; font-family:var(--serif); font-size:22px; color:var(--navy-950); }
.p-facts div span{ font-size:12.5px; color:var(--ink-faint); }

/* -------------------- process timeline -------------------- */
.timeline{ position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:20px; }
.timeline::before{ content:""; position:absolute; top:26px; left:0; right:0; height:1px; background:var(--line); z-index:0; }
.t-step{ position:relative; padding-right:24px; }
.t-num{
  position:relative; z-index:1; width:52px; height:52px; border-radius:50%; background:var(--navy-950); color:#fff;
  display:flex; align-items:center; justify-content:center; font-family:var(--serif); font-size:20px; margin-bottom:22px;
}
.t-step h3{ font-size:17px; margin-bottom:8px; }
.t-step p{ font-size:14.5px; color:var(--ink-soft); }

/* -------------------- gallery -------------------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:4px; }
.g-item{ position:relative; overflow:hidden; aspect-ratio:4/3; background:var(--navy-950); }
.g-item img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.g-item:hover img{ transform:scale(1.06); }
.g-cap{
  position:absolute; left:0; right:0; bottom:0; padding:16px 18px;
  background:linear-gradient(0deg, rgba(10,39,64,.92), rgba(10,39,64,0));
  color:#fff; font-size:13.5px; font-weight:600;
}
.g-cap span{ display:block; font-family:var(--mono); font-size:10.5px; font-weight:400; color:#a9b5cc; margin-top:3px; text-transform:uppercase; letter-spacing:.06em; }

/* -------------------- cert / stats band -------------------- */
.cert-band{ display:flex; align-items:center; justify-content:space-between; gap:40px; padding:38px 0; flex-wrap:wrap; }
.cert-badge{ display:flex; align-items:center; gap:16px; }
.cert-badge .ring{ width:64px; height:64px; border-radius:50%; border:2px solid var(--red-600); display:flex; align-items:center; justify-content:center; font-family:var(--serif); font-size:12px; color:var(--red-600); text-align:center; line-height:1.1; }
.cert-badge b{ display:block; font-size:16px; color:var(--navy-950); }
.cert-badge span{ font-size:13px; color:var(--ink-faint); }

/* -------------------- contact -------------------- */
.contact-wrap{ display:grid; grid-template-columns:.85fr 1.15fr; gap:0; border:1px solid var(--line); background:#fff; }
.contact-info{ background:var(--navy-950); color:#cfd7e6; padding:52px 44px; }
.contact-info h3{ color:#fff; font-size:24px; margin-bottom:10px; }
.contact-info > p{ font-size:15px; color:#aab6cc; margin-bottom:30px; }
.c-block{ padding:18px 0; border-top:1px solid rgba(255,255,255,.14); }
.c-block:first-of-type{ border-top:none; }
.c-block b{ display:block; font-size:14px; color:#fff; margin-bottom:4px; }
.c-block span, .c-block a{ font-size:14px; color:#aab6cc; }
.c-block a:hover{ color:#fff; }
.contact-form{ padding:52px 44px; }
.contact-form h3{ font-size:22px; margin-bottom:6px; }
.contact-form > p{ color:var(--ink-soft); font-size:14.5px; margin-bottom:26px; }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-grid .full{ grid-column:1/-1; }
.field label{ display:block; font-size:12.5px; font-weight:600; text-transform:uppercase; letter-spacing:.04em; color:var(--ink-faint); margin-bottom:7px; font-family:var(--mono); }
.field input, .field select, .field textarea{
  width:100%; border:1px solid var(--line); background:var(--paper); padding:12px 14px; font-family:var(--sans);
  font-size:14.5px; border-radius:2px; color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--navy-950); background:#fff; }
.field textarea{ resize:vertical; min-height:100px; }

/* -------------------- footer -------------------- */
.site-footer{ background:var(--navy-950); color:#93a1bd; padding:64px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:44px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand img{ height:52px; margin-bottom:16px; }
.footer-brand p{ font-size:14px; line-height:1.7; max-width:280px; }
.footer-grid h4{ color:#fff; font-size:13px; text-transform:uppercase; letter-spacing:.06em; font-family:var(--mono); margin-bottom:18px; }
.footer-grid li{ margin-bottom:11px; font-size:14px; }
.footer-grid a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; padding-top:24px; font-size:13px; flex-wrap:wrap; gap:10px; }

/* -------------------- misc -------------------- */
.wa-float{
  position:fixed; right:24px; bottom:24px; z-index:70; width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow-lg);
}
.wa-float svg{ width:28px; height:28px; }

.badge-strip{ display:flex; gap:34px; flex-wrap:wrap; align-items:center; }
.badge-strip .b{ font-size:13.5px; color:var(--ink-faint); display:flex; align-items:center; gap:8px; }
.badge-strip .b::before{ content:"✓"; color:var(--green-700); font-weight:700; }

@media (max-width: 980px){
  .main-nav, .header-cta .header-phone{ display:none; }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid .why-item{ border-bottom:1px solid var(--line); }
  .product-row{ grid-template-columns:1fr; gap:32px; }
  .product-row.reverse .p-media, .product-row.reverse .p-copy{ order:unset; }
  .timeline{ grid-template-columns:1fr 1fr; gap:32px; }
  .timeline::before{ display:none; }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .contact-wrap{ grid-template-columns:1fr; }
  .form-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .hero-stats{ grid-template-columns:repeat(2,1fr); }
}