/* =========================================================
   Rincaro Alloys Private Limited - shared stylesheet
   ========================================================= */

/* ---------- Fonts (self-hosted) ---------- */
@font-face { font-family: "Oswald"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/oswald-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Oswald"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/oswald-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Oswald"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/oswald-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/inter-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/inter-latin-700-normal.woff2") format("woff2"); }

/* ---------- Tokens ---------- */
:root {
    --orange: #ee7d11;
    --orange-dark: #c9650a;
    --orange-soft: #fff3e6;
    --ink: #141414;
    --steel: #1d2125;
    --steel-2: #2a3036;
    --text: #2c3136;
    --muted: #677079;
    --line: #e3e5e8;
    --bg: #ffffff;
    --bg-alt: #f5f5f3;
    --metal: #c9ced4;
    --wa: #1faa53;
    --radius: 6px;
    --radius-lg: 12px;
    --shadow: 0 10px 30px rgba(20, 20, 20, .08);
    --shadow-lg: 0 24px 60px rgba(20, 20, 20, .16);
    --head: "Oswald", "Arial Narrow", Arial, sans-serif;
    --body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --container: 1200px;
    --header-h: 84px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--body); font-size: 16px; line-height: 1.65; color: var(--text); background: var(--bg); overflow-x: hidden; }
body.nav-open, body.modal-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange-dark); text-decoration: none; transition: color .2s; }
a:hover { color: var(--orange); }
h1, h2, h3, h4 { font-family: var(--head); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; font-weight: 600; letter-spacing: .01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.9rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--orange); color: #fff; padding: 10px 16px; z-index: 999; }
.skip-link:focus { left: 10px; top: 10px; color: #fff; }

.icon { width: 1.15em; height: 1.15em; flex-shrink: 0; vertical-align: middle; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55em; padding: .9em 1.6em; border-radius: var(--radius); font-family: var(--body); font-weight: 600; font-size: .95rem; line-height: 1.2; border: 2px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s; text-align: center; white-space: nowrap; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 8px 20px rgba(238, 125, 17, .3); }
.btn-primary:hover { background: var(--orange-dark); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--steel-2); color: #fff; }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--ink); color: #fff; }
.btn-outline-light { border-color: rgba(255, 255, 255, .7); color: #fff; background: transparent; }
.btn-outline-light:hover { background: #fff; color: var(--ink); }
.btn-whatsapp { background: var(--wa); color: #fff; }
.btn-whatsapp:hover { background: #178a43; color: #fff; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row-center { justify-content: center; }

/* ---------- Typography helpers ---------- */
.eyebrow { display: inline-flex; align-items: center; gap: .6em; font-family: var(--head); font-weight: 500; text-transform: uppercase; letter-spacing: .16em; font-size: .85rem; color: var(--orange-dark); margin-bottom: .9em; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--orange); }
.eyebrow-light { color: #ffd2a6; }
.eyebrow-light::before { background: #fff; }
.lead { font-size: 1.12rem; color: var(--muted); }
.text-orange { color: var(--orange); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

/* ---------- Topbar ---------- */
.topbar { background: var(--ink); color: #cfd3d7; font-size: .84rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 40px; }
.topbar-right { display: flex; gap: 24px; flex-wrap: wrap; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; color: #cfd3d7; }
.topbar-item .icon { color: var(--orange); width: 15px; height: 15px; }
a.topbar-item:hover { color: #fff; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--line); transition: box-shadow .25s; }
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(0, 0, 0, .08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); flex-shrink: 0; }
.brand img { width: 112px; height: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; border-left: 2px solid var(--line); padding-left: 12px; }
.brand-name { font-family: var(--head); font-weight: 700; font-size: 1.3rem; text-transform: uppercase; letter-spacing: .03em; color: var(--ink); }
.brand-sub { font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }

.nav-list { display: flex; list-style: none; gap: 4px; }
.nav-link { display: block; padding: 10px 13px; font-weight: 600; font-size: .93rem; color: var(--ink); position: relative; }
.nav-link::after { content: ""; position: absolute; left: 13px; right: 13px; bottom: 4px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav-link:hover, .nav-link.is-active { color: var(--orange-dark); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-mobile-cta { display: none; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink); cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle .icon { width: 24px; height: 24px; }
.nav-toggle-close { display: none; }
body.nav-open .nav-toggle-open { display: none; }
body.nav-open .nav-toggle-close { display: inline-flex; }
.nav-backdrop { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; background-color: var(--steel); background-size: cover; background-position: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(14, 14, 14, .94) 0%, rgba(14, 14, 14, .78) 45%, rgba(14, 14, 14, .35) 100%); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.25fr .75fr; gap: 50px; align-items: center; padding: 110px 20px 120px; }
.hero h1 { color: #fff; text-transform: uppercase; letter-spacing: .01em; }
.hero h1 span { color: var(--orange); }
.hero .lead { color: #d6dadd; max-width: 620px; margin-bottom: 2em; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 40px; font-size: .85rem; background: rgba(255, 255, 255, .06); }
.hero-badge .icon { color: var(--orange); }
.hero-card { background: rgba(20, 20, 20, .72); border: 1px solid rgba(255, 255, 255, .12); border-top: 4px solid var(--orange); border-radius: var(--radius-lg); padding: 30px; backdrop-filter: blur(6px); }
.hero-card h2 { color: #fff; font-size: 1.4rem; text-transform: uppercase; }
.hero-card ul { list-style: none; margin-bottom: 0; }
.hero-card li { display: flex; justify-content: space-between; align-items: center; padding: 11px 0; border-bottom: 1px dashed rgba(255, 255, 255, .15); font-size: .95rem; }
.hero-card li:last-child { border-bottom: 0; }
.hero-card li strong { font-family: var(--head); font-size: 1.15rem; letter-spacing: .04em; color: #fff; }
.hero-card li span { color: #b8bec4; font-size: .85rem; text-align: right; }

.bg-hero-fire { background-image: url("../images/hero-furnace-fire.jpg"); }
.bg-hero-furnace { background-image: url("../images/hero-melting-furnace.jpg"); }
.bg-hero-plant { background-image: url("../images/hero-plant.jpg"); }
.bg-hero-scrap { background-image: url("../images/hero-wheel-scrap.jpg"); }
.bg-hero-lab { background-image: url("../images/spectrometer-lab-1.jpg"); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { position: relative; color: #fff; background-color: var(--steel); background-size: cover; background-position: center; padding: 90px 0 80px; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14, 14, 14, .92), rgba(14, 14, 14, .6)); }
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; text-transform: uppercase; margin-bottom: .3em; }
.page-hero p { color: #d3d7db; max-width: 640px; margin: 0; font-size: 1.08rem; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; font-size: .88rem; margin-bottom: 18px; color: #b8bec4; }
.breadcrumb a { color: var(--orange); display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #7a828a; }

/* ---------- Stats strip ---------- */
.stats { background: var(--orange); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 30px 22px; display: flex; gap: 16px; align-items: center; border-right: 1px solid rgba(255, 255, 255, .25); }
.stat:last-child { border-right: 0; }
.stat .icon { width: 40px; height: 40px; opacity: .9; }
.stat strong { display: block; font-family: var(--head); font-size: 2rem; line-height: 1; font-weight: 700; }
.stat span { font-size: .88rem; opacity: .95; }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--steel); color: #c9ced3; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .lead { color: #aab1b8; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-reverse > :first-child { order: 2; }

.check-list { list-style: none; margin: 1.4em 0 2em; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list .icon { color: #fff; background: var(--orange); border-radius: 50%; padding: 4px; width: 24px; height: 24px; margin-top: 1px; }
.check-list.two-col { grid-template-columns: 1fr 1fr; }

/* Image collage */
.collage { position: relative; padding: 0 0 60px 60px; }
.collage-main { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width: 100%; aspect-ratio: 4 / 4.4; object-fit: cover; }
.collage-sub { position: absolute; left: 0; bottom: 0; width: 52%; border-radius: var(--radius-lg); border: 6px solid #fff; box-shadow: var(--shadow-lg); aspect-ratio: 16 / 10; object-fit: cover; }
.collage-tag { position: absolute; top: 30px; left: 20px; background: var(--ink); color: #fff; padding: 18px 22px; border-radius: var(--radius); border-left: 4px solid var(--orange); }
.collage-tag strong { display: block; font-family: var(--head); font-size: 2.2rem; line-height: 1; color: var(--orange); }
.collage-tag span { font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; }

/* ---------- Grade cards ---------- */
.grade-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grade-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; position: relative; overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s; display: flex; flex-direction: column; }
.grade-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.grade-card::after { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; background: linear-gradient(90deg, var(--orange), #f6b26b); transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.grade-card:hover::after { transform: scaleX(1); }
.grade-code { font-family: var(--head); font-size: 2.3rem; font-weight: 700; color: var(--ink); line-height: 1; letter-spacing: .02em; }
.grade-std { display: inline-block; align-self: flex-start; margin: 10px 0 14px; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--orange-dark); background: var(--orange-soft); padding: 4px 10px; border-radius: 30px; }
.grade-card p { color: var(--muted); font-size: .95rem; flex-grow: 1; }
.grade-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .92rem; }
.grade-card-dark { background: var(--ink); border-color: var(--ink); }
.grade-card-dark .grade-code { color: var(--orange); }
.grade-card-dark p { color: #b5bbc1; }
.grade-card-dark .grade-std { background: rgba(255, 255, 255, .08); color: #fff; }

/* ---------- Process ---------- */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: rgba(255, 255, 255, .08); border-radius: var(--radius-lg); overflow: hidden; counter-reset: step; }
.process-step { background: var(--steel); padding: 36px 30px; position: relative; counter-increment: step; transition: background .25s; }
.process-step:hover { background: var(--steel-2); }
.process-step::before { content: "0" counter(step); position: absolute; right: 24px; top: 20px; font-family: var(--head); font-size: 3rem; font-weight: 700; color: rgba(255, 255, 255, .06); line-height: 1; }
.process-step .icon { width: 44px; height: 44px; color: var(--orange); margin-bottom: 18px; }
.process-step h3 { font-size: 1.25rem; text-transform: uppercase; }
.process-step p { margin: 0; font-size: .94rem; color: #a9b0b7; }

/* ---------- Feature cards ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature { background: #fff; border-radius: var(--radius-lg); padding: 30px; border: 1px solid var(--line); transition: box-shadow .25s, transform .25s; }
.feature:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.feature-icon { width: 58px; height: 58px; border-radius: 14px; background: var(--orange-soft); color: var(--orange-dark); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.feature-icon .icon { width: 28px; height: 28px; }
.feature h3 { font-size: 1.2rem; text-transform: uppercase; }
.feature p { margin: 0; color: var(--muted); font-size: .95rem; }
.feature-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Leadership / MD ---------- */
.leader { background: linear-gradient(120deg, var(--ink) 0%, var(--steel-2) 100%); color: #cdd2d6; overflow: hidden; position: relative; }
.leader::before { content: ""; position: absolute; right: -180px; top: -180px; width: 560px; height: 560px; border-radius: 50%; border: 60px solid rgba(238, 125, 17, .12); }
.leader-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: end; position: relative; }
.leader-photo { position: relative; align-self: end; }
.leader-photo::before { content: ""; position: absolute; left: 8%; right: 8%; bottom: 0; top: 18%; background: var(--orange); border-radius: 220px 220px 0 0; }
.leader-photo img { position: relative; width: 100%; max-width: 440px; margin: 0 auto; }
.leader-text { padding: 90px 0; }
.leader-text h2 { color: #fff; }
.leader-quote { font-size: 1.15rem; line-height: 1.75; color: #e3e6e9; border-left: 3px solid var(--orange); padding-left: 22px; margin: 0 0 26px; font-style: italic; }
.leader-name { font-family: var(--head); font-size: 1.5rem; color: #fff; margin: 0; text-transform: uppercase; letter-spacing: .03em; }
.leader-role { color: var(--orange); font-weight: 600; font-size: .92rem; margin-bottom: 28px; }

/* ---------- Industries ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.industry { text-align: center; padding: 26px 14px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); }
.industry .icon { width: 36px; height: 36px; color: var(--orange); margin: 0 auto 12px; display: block; }
.industry span { font-weight: 600; font-size: .9rem; color: var(--ink); line-height: 1.35; display: block; }

/* ---------- Enquiry / contact ---------- */
.enquiry-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: start; }
.contact-cards { display: grid; gap: 16px; margin-top: 30px; }
.contact-card { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; }
.contact-card .ci { width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; background: var(--orange); color: #fff; display: flex; align-items: center; justify-content: center; }
.contact-card .ci .icon { width: 22px; height: 22px; }
.contact-card h3 { font-size: 1.05rem; margin-bottom: 4px; text-transform: uppercase; letter-spacing: .04em; }
.contact-card p { margin: 0; color: var(--muted); font-size: .95rem; word-break: break-word; }
.contact-card a { color: var(--text); font-weight: 500; }
.contact-card a:hover { color: var(--orange-dark); }

.form-panel { background: #fff; border-radius: var(--radius-lg); padding: 38px; box-shadow: var(--shadow-lg); border-top: 4px solid var(--orange); }
.form-panel h2 { font-size: 1.8rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; margin-bottom: 22px; }
.form-field { display: flex; flex-direction: column; }
.form-field-full { grid-column: 1 / -1; }
.form-field label { font-weight: 600; font-size: .88rem; margin-bottom: 6px; color: var(--ink); }
.req { color: #d0342c; }
.form-field input, .form-field select, .form-field textarea { width: 100%; font: inherit; font-size: .95rem; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius); background: #fbfbfb; color: var(--text); transition: border-color .2s, box-shadow .2s, background .2s; }
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--orange); background: #fff; box-shadow: 0 0 0 3px rgba(238, 125, 17, .15); }
.form-field.has-error input, .form-field.has-error textarea, .form-field.has-error select { border-color: #d0342c; }
.field-error { color: #d0342c; font-size: .8rem; min-height: 0; margin-top: 4px; }
.field-error:empty { display: none; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.enquiry-form { position: relative; }
.btn-submit { min-width: 200px; }
.btn-loading { display: none; align-items: center; gap: 10px; }
.btn-label { display: inline-flex; align-items: center; gap: .55em; }
.is-loading .btn-label { display: none; }
.is-loading .btn-loading { display: inline-flex; }
.is-loading { pointer-events: none; opacity: .85; }
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255, 255, 255, .4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.form-note { font-size: .82rem; color: var(--muted); margin: 14px 0 0; }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); line-height: 0; }
.map-wrap iframe { width: 100%; height: 420px; border: 0; }

/* ---------- Product detail (products page) ---------- */
.product-block { display: grid; grid-template-columns: 280px 1fr; gap: 40px; padding: 44px 0; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 20px); }
.product-block:last-child { border-bottom: 0; }
.product-badge { background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 30px; position: sticky; top: calc(var(--header-h) + 20px); align-self: start; border-bottom: 4px solid var(--orange); }
.product-badge .grade-code { color: #fff; font-size: 3rem; }
.product-badge .grade-std { background: rgba(255, 255, 255, .1); color: #ffd2a6; }
.product-badge p { color: #b5bbc1; font-size: .9rem; margin-bottom: 18px; }
.product-body h3 { font-size: 1.15rem; text-transform: uppercase; letter-spacing: .04em; margin-top: 1.4em; }
.product-body h3:first-child { margin-top: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.tag-list li { background: var(--bg-alt); border: 1px solid var(--line); padding: 6px 12px; border-radius: 30px; font-size: .86rem; font-weight: 500; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--radius); }
.chem-table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 560px; }
.chem-table th, .chem-table td { padding: 11px 12px; text-align: center; border-bottom: 1px solid var(--line); }
.chem-table thead th { background: var(--steel); color: #fff; font-family: var(--head); font-weight: 500; letter-spacing: .05em; }
.chem-table tbody th { text-align: left; background: var(--bg-alt); font-weight: 600; }
.chem-table tbody tr:last-child th, .chem-table tbody tr:last-child td { border-bottom: 0; }
.note { font-size: .85rem; color: var(--muted); background: var(--orange-soft); border-left: 3px solid var(--orange); padding: 12px 16px; border-radius: 0 var(--radius) var(--radius) 0; }

/* ---------- Infrastructure ---------- */
.infra-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 50px 0; }
.infra-row + .infra-row { border-top: 1px solid var(--line); }
.infra-row:nth-child(even) .infra-media { order: 2; }
.infra-media { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.infra-media img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; aspect-ratio: 3 / 4; box-shadow: var(--shadow); }
.infra-media img:only-child { grid-column: 1 / -1; aspect-ratio: 4 / 3; }
.infra-num { font-family: var(--head); font-size: 1rem; color: var(--orange); letter-spacing: .15em; }

/* ---------- Timeline / values ---------- */
.timeline { list-style: none; position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding-bottom: 28px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: -31px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--orange); }
.timeline strong { font-family: var(--head); font-size: 1.3rem; color: var(--ink); display: block; }
.timeline p { margin: 2px 0 0; color: var(--muted); }

.mv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mv-card { background: var(--steel-2); border-radius: var(--radius-lg); padding: 34px; border-top: 4px solid var(--orange); }
.mv-card .icon { width: 40px; height: 40px; color: var(--orange); margin-bottom: 16px; }
.mv-card h3 { color: #fff; text-transform: uppercase; }
.mv-card p { margin: 0; color: #b5bbc1; }

/* ---------- Gallery ---------- */
.gallery-group + .gallery-group { margin-top: 64px; }
.gallery-group h2 { font-size: 1.6rem; text-transform: uppercase; display: flex; align-items: center; gap: 12px; }
.gallery-group h2 .icon { color: var(--orange); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-item { position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 3 / 4; background: var(--bg-alt); cursor: zoom-in; border: 0; padding: 0; width: 100%; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item .gallery-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 14px 12px; background: linear-gradient(transparent, rgba(0, 0, 0, .8)); color: #fff; font-size: .86rem; font-weight: 600; text-align: left; display: flex; align-items: center; gap: 8px; }
.gallery-cap .icon { color: var(--orange); }

.lightbox { position: fixed; inset: 0; z-index: 400; background: rgba(10, 10, 10, .94); display: flex; align-items: center; justify-content: center; padding: 30px; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox figure { margin: 0; max-width: 1000px; text-align: center; }
.lightbox img { max-height: 82vh; width: auto; margin: 0 auto; border-radius: var(--radius); }
.lightbox figcaption { color: #ddd; margin-top: 12px; font-size: .95rem; }
.lightbox-close { position: absolute; top: 18px; right: 18px; width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--orange); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.lightbox-close .icon { width: 24px; height: 24px; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(110deg, var(--orange) 0%, #d96a07 100%); color: #fff; padding: 56px 0; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: -60px; top: -120px; width: 380px; height: 380px; border-radius: 50%; border: 50px solid rgba(255, 255, 255, .1); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin: 0; max-width: 680px; text-transform: uppercase; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #a7aeb5; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 40px; padding: 70px 20px 50px; }
.footer-logo { width: 120px; margin-bottom: 18px; }
.footer-gst { color: #fff; font-weight: 600; font-size: .85rem; letter-spacing: .04em; }
.site-footer h3 { color: #fff; font-size: 1.15rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.site-footer h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 36px; height: 2px; background: var(--orange); }
.site-footer ul { list-style: none; display: grid; gap: 9px; }
.site-footer a { color: #a7aeb5; }
.site-footer a:hover { color: var(--orange); }
.footer-contact p { display: flex; gap: 12px; align-items: flex-start; word-break: break-word; }
.footer-contact .icon { color: var(--orange); margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); }
.footer-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 20px; padding-bottom: 20px; font-size: .84rem; }
.footer-bottom p { margin: 0; }

/* ---------- Floating actions ---------- */
.float-actions { position: fixed; right: 18px; bottom: 18px; z-index: 150; display: flex; flex-direction: column; gap: 12px; }
.float-btn { width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 10px 24px rgba(0, 0, 0, .25); transition: transform .2s; }
.float-btn:hover { transform: scale(1.08); color: #fff; }
.float-btn .icon { width: 26px; height: 26px; }
.float-whatsapp { background: var(--wa); }
.float-call { background: var(--orange); }
.scroll-top { position: fixed; left: 18px; bottom: 18px; z-index: 150; width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--ink); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .25s, visibility .25s, transform .25s; }
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.scroll-top .icon { width: 22px; height: 22px; }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: 500; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.modal.is-open { opacity: 1; visibility: visible; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(10, 10, 10, .7); }
.modal-box { position: relative; background: #fff; border-radius: var(--radius-lg); max-width: 460px; width: 100%; padding: 44px 32px 32px; text-align: center; box-shadow: var(--shadow-lg); transform: translateY(20px) scale(.97); transition: transform .3s; border-top: 5px solid var(--orange); }
.modal.is-open .modal-box { transform: none; }
.modal-x { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border: 0; background: var(--bg-alt); border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--ink); }
.modal-icon { display: inline-flex; width: 76px; height: 76px; border-radius: 50%; align-items: center; justify-content: center; background: #e8f7ee; color: var(--wa); margin-bottom: 16px; }
.modal-icon .icon { width: 40px; height: 40px; }
.modal-box h2 { font-size: 1.9rem; text-transform: uppercase; }
.modal-box p { color: var(--muted); margin-bottom: 24px; }
.modal-error { display: none; }
.modal.is-error .modal-success { display: none; }
.modal.is-error .modal-error { display: block; }
.modal-error .modal-icon { background: #fdecea; color: #d0342c; }

/* ---------- Reveal animation (only when JS is active) ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- 404 ---------- */
.notfound { text-align: center; padding: 120px 0; }
.notfound .code { font-family: var(--head); font-size: clamp(6rem, 18vw, 10rem); color: var(--orange); line-height: 1; font-weight: 700; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1180px) {
    .nav-link { padding: 10px 9px; font-size: .9rem; }
    .nav-link::after { left: 9px; right: 9px; }
    .header-cta { display: none; }
}

@media (max-width: 1024px) {
    :root { --header-h: 74px; }
    .topbar-gst { display: none; }
    .nav-toggle { display: inline-flex; }
    .header-cta { display: inline-flex; }
    .site-nav { position: fixed; top: 0; right: 0; bottom: 0; width: min(340px, 86vw); background: #fff; z-index: 120; padding: 90px 24px 30px; overflow-y: auto; transform: translateX(100%); visibility: hidden; transition: transform .3s ease, visibility .3s; box-shadow: -10px 0 40px rgba(0, 0, 0, .15); }
    body.nav-open .site-nav { transform: none; visibility: visible; }
    body.nav-open .site-header { z-index: 130; }
    .nav-list { flex-direction: column; gap: 0; }
    .nav-link { padding: 15px 4px; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
    .nav-link::after { display: none; }
    .nav-link.is-active { color: var(--orange-dark); padding-left: 12px; border-left: 3px solid var(--orange); }
    .nav-mobile-cta { display: grid; gap: 12px; margin-top: 28px; }
    .nav-toggle { position: relative; z-index: 130; }
    .nav-backdrop { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, .5); z-index: 110; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
    body.nav-open .nav-backdrop { opacity: 1; visibility: visible; }

    .hero-inner { grid-template-columns: 1fr; padding: 90px 20px; }
    .hero-card { max-width: 520px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .25); }
    .split, .enquiry-wrap, .infra-row { grid-template-columns: 1fr; gap: 44px; }
    .split-reverse > :first-child, .infra-row:nth-child(even) .infra-media { order: 0; }
    .grade-grid, .feature-grid, .process-grid, .mv-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .industry-grid { grid-template-columns: repeat(3, 1fr); }
    .leader-grid { grid-template-columns: 1fr; gap: 0; }
    .leader-text { padding: 70px 0 40px; order: -1; }
    .leader-photo img { max-width: 360px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
    .product-block { grid-template-columns: 1fr; gap: 24px; }
    .product-badge { position: static; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .collage { max-width: 560px; }
}

@media (max-width: 680px) {
    body { font-size: 15.5px; }
    .topbar { display: none; }
    .brand img { width: 88px; }
    .brand-name { font-size: 1.1rem; }
    .brand-sub { font-size: .62rem; letter-spacing: .16em; }
    .header-cta { display: none; }
    .section { padding: 70px 0; }
    .section-head { margin-bottom: 34px; }
    .hero-inner { padding: 70px 20px 80px; }
    .hero .btn-row .btn { flex: 1 1 100%; }
    .page-hero { padding: 64px 0 56px; }
    .stat { padding: 22px 14px; gap: 10px; flex-direction: column; align-items: flex-start; }
    .stat .icon { width: 30px; height: 30px; }
    .stat strong { font-size: 1.6rem; }
    .grade-grid, .feature-grid, .feature-grid-4, .process-grid, .mv-grid { grid-template-columns: 1fr; }
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
    .check-list.two-col { grid-template-columns: 1fr; }
    .form-panel { padding: 26px 20px; }
    .form-grid { grid-template-columns: 1fr; }
    .btn-submit { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-top: 54px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .gallery-item.wide { grid-column: span 2; }
    .collage { padding: 0 0 40px 30px; }
    .collage-tag { left: 10px; top: 16px; padding: 12px 16px; }
    .collage-tag strong { font-size: 1.7rem; }
    .infra-media { gap: 10px; }
    .cta-band .btn-row, .cta-band .btn { width: 100%; }
    .map-wrap iframe { height: 320px; }
    .float-btn { width: 50px; height: 50px; }
    .modal-box { padding: 40px 22px 26px; }
    .modal-box .btn { flex: 1 1 100%; }
    .footer-bottom-inner { flex-direction: column; text-align: center; padding-bottom: 86px; }
}

/* ---------- Additions ---------- */
.img-rounded { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.feature-grid + .btn-row, .map-wrap + .btn-row { margin-top: 40px; }
.contact-actions { margin-top: 28px; }
.gallery-item.wide { aspect-ratio: 3 / 2; }
.infra-media img:only-child { aspect-ratio: 16 / 9; }
body.nav-open .float-actions, body.nav-open .scroll-top { opacity: 0; visibility: hidden; }
