/* =====================================================
   Modern Steel Construction Corp. – Main Stylesheet
   Brand colours taken from the logo:
   indigo #33206e · royal blue #1c4a92 · sky blue #1a86c4 · orange #e8822a
   ===================================================== */

:root {
    --navy-950: #0c0f2a;
    --navy-900: #12163a;
    --navy-800: #1b1f4b;
    --indigo: #33206e;
    --blue: #1c4a92;
    --sky: #1a86c4;
    --sky-light: #4fb0e8;
    --orange: #e8822a;
    --orange-dark: #cf6c15;
    --orange-soft: #fdf0e4;

    --white: #ffffff;
    --bg-alt: #f3f5fa;
    --border: #e2e6ef;
    --text: #1d2433;
    --muted: #5b6475;

    --grad-brand: linear-gradient(135deg, var(--indigo) 0%, var(--blue) 55%, var(--sky) 100%);
    --grad-dark: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 60%, #1d2f6b 100%);

    --font-heading: 'Montserrat', system-ui, sans-serif;
    --font-body: 'Open Sans', system-ui, sans-serif;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 10px rgba(18, 22, 58, .06);
    --shadow: 0 10px 30px rgba(18, 22, 58, .10);
    --shadow-lg: 0 20px 50px rgba(18, 22, 58, .18);
    --transition: .3s ease;
    --header-h: 84px;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body { font-family: var(--font-body); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--white); overflow-x: hidden; }
img, video { max-width: 100%; height: auto; display: block; }
picture { display: contents; }
a { color: inherit; text-decoration: none; transition: color var(--transition), background var(--transition), border-color var(--transition); }
ul { list-style: none; }
button { font: inherit; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; color: var(--navy-900); font-weight: 700; }
p + p { margin-top: 14px; }
strong { font-weight: 700; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 2000; background: var(--orange); color: var(--navy-900); padding: 10px 16px; border-radius: var(--radius); font-weight: 700; }
.skip-link:focus { left: 8px; }
.text-center { text-align: center; }
.mt-4 { margin-top: 40px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    padding: 13px 26px; border-radius: var(--radius); border: 2px solid transparent;
    font-family: var(--font-heading); font-size: 14px; font-weight: 700; letter-spacing: .4px;
    text-transform: uppercase; cursor: pointer; line-height: 1.2; white-space: nowrap;
    transition: all var(--transition);
}
.btn-lg { padding: 16px 30px; font-size: 15px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--orange); border-color: var(--orange); color: var(--navy-900); }
.btn-primary:hover { background: var(--orange-dark); border-color: var(--orange-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(232, 130, 42, .35); }
.btn-dark { background: var(--navy-900); border-color: var(--navy-900); color: var(--white); }
.btn-dark:hover { background: var(--blue); border-color: var(--blue); transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, .85); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--navy-900); }
.btn-outline-light { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .25); color: var(--white); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .18); }
.btn:disabled { opacity: .65; cursor: wait; transform: none; }

/* ---------- Section scaffolding ---------- */
.section { padding: 96px 0; }
.section-tight { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--grad-dark); color: rgba(255, 255, 255, .82); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-header h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 14px; }
.section-header p { color: var(--muted); font-size: 17px; }
.section-dark .section-header p { color: rgba(255, 255, 255, .72); }

.eyebrow {
    display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px;
    font-family: var(--font-heading); font-size: 13px; font-weight: 700; letter-spacing: 2.5px;
    text-transform: uppercase; color: var(--orange-dark);
}
.eyebrow::before { content: ''; width: 28px; height: 3px; border-radius: 3px; background: var(--grad-brand); }
.section-header .eyebrow::after { content: ''; width: 28px; height: 3px; border-radius: 3px; background: var(--grad-brand); }
.section-dark .eyebrow { color: var(--orange); }

/* ---------- Top bar ---------- */
.topbar { background: var(--navy-950); color: rgba(255, 255, 255, .8); font-size: 13px; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 42px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 22px; }
.topbar-left a, .topbar-left > span { display: inline-flex; align-items: center; gap: 8px; }
.topbar-left a:hover { color: var(--orange); }
.topbar-left i { color: var(--sky-light); font-size: 12px; }
.topbar-badge { display: inline-flex; align-items: center; gap: 6px; color: var(--orange); font-weight: 600; letter-spacing: .5px; }
.social-icon { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .1); color: var(--white); font-size: 12px; }
.social-icon:hover { background: var(--orange); color: var(--navy-900); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--white); box-shadow: 0 1px 0 var(--border); transition: box-shadow var(--transition); }
.site-header.scrolled { box-shadow: 0 6px 24px rgba(18, 22, 58, .1); }
.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.site-logo { flex-shrink: 0; display: block; }
.site-logo img { height: 60px; width: auto; }

.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-list > li { position: relative; display: flex; align-items: center; }
.nav-link { display: block; padding: 10px 14px; font-family: var(--font-heading); font-size: 14.5px; font-weight: 600; color: var(--navy-900); position: relative; }
.nav-link::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; border-radius: 2px; background: var(--orange); transform: scaleX(0); transition: transform var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--blue); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.has-dropdown .nav-link { padding-right: 4px; }
.has-dropdown .nav-link::after { right: 4px; }
.dropdown-toggle { background: none; border: 0; padding: 10px 8px 10px 4px; color: var(--navy-900); cursor: pointer; font-size: 10px; }
.dropdown-toggle i { transition: transform var(--transition); }

.dropdown-menu {
    position: absolute; top: 100%; left: 0; min-width: 270px; padding: 8px;
    background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-lg); border-top: 3px solid var(--orange);
    opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .22s ease; z-index: 50;
}
.dropdown-menu a { display: block; padding: 9px 14px; font-size: 14px; color: var(--text); border-radius: 6px; }
.dropdown-menu a:hover { background: var(--bg-alt); color: var(--blue); padding-left: 18px; }
@media (hover: hover) and (min-width: 1101px) {
    .has-dropdown:hover .dropdown-menu, .has-dropdown:focus-within .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
    .has-dropdown:hover .dropdown-toggle i { transform: rotate(180deg); }
}
.has-dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.header-cta { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 10px; color: var(--navy-900); }
.header-phone-icon { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--grad-brand); color: var(--white); font-size: 15px; }
.header-phone-text { display: flex; flex-direction: column; font-family: var(--font-heading); font-weight: 700; font-size: 15px; line-height: 1.2; }
.header-phone-text small { font-family: var(--font-body); font-weight: 500; font-size: 11.5px; color: var(--muted); }
.header-phone:hover .header-phone-text { color: var(--blue); }
.nav-mobile-cta { display: none; }

.mobile-toggle { display: none; width: 46px; height: 46px; border: 0; border-radius: var(--radius); background: var(--bg-alt); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; margin-left: auto; }
.mobile-toggle span { display: block; width: 22px; height: 2.5px; background: var(--navy-900); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.mobile-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
.nav-overlay { position: fixed; inset: 0; background: rgba(12, 15, 42, .55); z-index: 999; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: min(88vh, 820px); display: flex; align-items: center; color: var(--white); overflow: hidden; background: var(--navy-900); }
.hero-media { position: absolute; inset: 0; }
.hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: heroZoom 22s ease-in-out infinite alternate; }
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.08); } }
.hero-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(12, 15, 42, .96) 0%, rgba(27, 31, 75, .88) 42%, rgba(51, 32, 110, .55) 75%, rgba(28, 74, 146, .4) 100%); }
/* Blueprint grid + brand glow drawn over the photo */
.hero-grid { position: absolute; inset: 0; z-index: 1; opacity: .5; background-image: linear-gradient(rgba(79, 176, 232, .09) 1px, transparent 1px), linear-gradient(90deg, rgba(79, 176, 232, .09) 1px, transparent 1px); background-size: 48px 48px; -webkit-mask-image: linear-gradient(100deg, transparent 10%, #000 60%); mask-image: linear-gradient(100deg, transparent 10%, #000 60%); }
.hero-glow { position: absolute; z-index: 1; width: 640px; height: 640px; right: -120px; top: 50%; transform: translateY(-50%); border-radius: 50%; background: radial-gradient(circle, rgba(26, 134, 196, .35) 0%, rgba(232, 130, 42, .12) 45%, transparent 70%); }
.hero::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 5px; z-index: 3; background: linear-gradient(90deg, var(--indigo), var(--sky) 60%, var(--orange)); }
.hero-inner { position: relative; z-index: 2; padding-top: 80px; padding-bottom: 80px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 48px; align-items: center; }
.hero-content { max-width: 680px; animation: fadeUp .9s ease both; }

/* Photo collage on the right */
.hero-visual { position: relative; height: 540px; animation: fadeUp 1.1s .15s ease both; }
.hero-photo { position: absolute; overflow: hidden; border-radius: 18px; border: 5px solid rgba(255, 255, 255, .95); box-shadow: 0 30px 60px rgba(0, 0, 0, .45); }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-photo-main { right: 0; top: 0; width: 72%; height: 82%; transform: rotate(2deg); }
.hero-photo-sub { left: 0; bottom: 0; width: 58%; height: 44%; transform: rotate(-3deg); z-index: 2; }
.hero-visual::before { content: ''; position: absolute; right: -18px; top: 28px; width: 72%; height: 82%; border-radius: 18px; border: 2px dashed rgba(232, 130, 42, .6); transform: rotate(2deg); }
.hero-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 12px; padding: 12px 18px 12px 12px; border-radius: 14px; background: var(--white); color: var(--navy-900); box-shadow: 0 18px 40px rgba(0, 0, 0, .35); animation: float 5s ease-in-out infinite; }
.hero-card strong { display: block; font-family: var(--font-heading); font-size: 15px; line-height: 1.2; }
.hero-card small { display: block; font-size: 12px; color: var(--muted); }
.hero-card-icon { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--grad-brand); color: var(--white); font-size: 18px; }
.hero-card-num { font-family: var(--font-heading); font-size: 28px; font-weight: 800; color: var(--orange-dark); line-height: 1; padding-left: 6px; }
.hero-card-top { left: 4%; top: 12%; }
.hero-card-bottom { right: -4%; bottom: 8%; animation-delay: 1.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; margin-bottom: 24px; border-radius: 40px; background: rgba(232, 130, 42, .15); border: 1px solid rgba(232, 130, 42, .5); color: #ffb877; font-size: 13px; font-weight: 600; letter-spacing: .5px; }
.hero h1 { color: var(--white); font-size: clamp(32px, 5vw, 58px); font-weight: 800; line-height: 1.1; margin-bottom: 22px; }
.hero h1 span { display: block; margin-top: 8px; font-size: .55em; font-weight: 700; background: linear-gradient(90deg, var(--orange) 0%, #ffc07a 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { font-size: clamp(16px, 1.6vw, 18.5px); color: rgba(255, 255, 255, .85); max-width: 600px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 14.5px; color: rgba(255, 255, 255, .85); }
.hero-points i { color: var(--orange); margin-right: 6px; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }

/* ---------- Stats ---------- */
.stats-bar { background: var(--grad-brand); color: var(--white); position: relative; z-index: 3; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 30px 16px; text-align: center; border-right: 1px solid rgba(255, 255, 255, .18); }
.stat-item:last-child { border-right: 0; }
.stat-number { display: block; font-family: var(--font-heading); font-size: clamp(30px, 3.5vw, 42px); font-weight: 800; line-height: 1; }
.stat-label { display: block; margin-top: 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 1.2px; color: rgba(255, 255, 255, .85); }

/* ---------- Split layout ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-reverse .split-media { order: -1; }
.split-content h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 18px; }
.split-content p { color: var(--muted); }
.split-content .btn { margin-top: 26px; }
.split-media { position: relative; }
.media-stack { position: relative; padding: 0 0 60px 0; }
.media-main { width: 88%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.media-sub { position: absolute; right: 0; bottom: 0; width: 50%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-lg); border: 6px solid var(--white); box-shadow: var(--shadow-lg); }
.media-single { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.service-detail .split-media::before { content: ''; position: absolute; inset: 18px -18px -18px 18px; border-radius: var(--radius-lg); background: var(--grad-brand); opacity: .14; z-index: -1; }
.service-detail .split-media { z-index: 0; }
.badge-float, .cert-badge { position: absolute; display: flex; flex-direction: column; align-items: center; text-align: center; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.badge-float { left: -16px; top: 30px; padding: 18px 22px; background: var(--orange); color: var(--navy-900); }
.badge-float .num { font-family: var(--font-heading); font-size: 38px; font-weight: 800; line-height: 1; }
.badge-float .lbl { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; line-height: 1.3; margin-top: 4px; }
.cert-badge { left: -16px; top: 30px; padding: 18px 22px; background: var(--grad-brand); color: var(--white); font-family: var(--font-heading); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: 1px; line-height: 1.3; }
.cert-badge i { font-size: 30px; margin-bottom: 6px; color: var(--orange); }

.checklist { margin: 22px 0 0; display: grid; gap: 10px; }
.checklist li { display: flex; align-items: flex-start; gap: 12px; font-weight: 500; }
.checklist i { color: var(--sky); margin-top: 5px; flex-shrink: 0; }
.checklist-2col { grid-template-columns: 1fr 1fr; gap: 10px 24px; }

.features-list { margin: 26px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.feature-item { display: flex; gap: 14px; }
.feature-icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; background: var(--grad-brand); color: var(--white); font-size: 17px; }
.feature-text h3 { font-size: 16px; margin-bottom: 4px; }
.feature-text p { font-size: 14px; color: var(--muted); }

/* ---------- Services grid ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); display: flex; flex-direction: column; transition: transform var(--transition), box-shadow var(--transition); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card-img { display: block; aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.service-card:hover .service-card-img img { transform: scale(1.07); }
.service-card-body { position: relative; padding: 36px 26px 26px; flex: 1; display: flex; flex-direction: column; }
.service-card-icon { position: absolute; top: -28px; left: 26px; width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-brand); color: var(--white); font-size: 22px; box-shadow: 0 8px 20px rgba(28, 74, 146, .35); }
.service-card h3 { font-size: 20px; margin-bottom: 10px; }
.service-card h3 a:hover { color: var(--blue); }
.service-card p { color: var(--muted); font-size: 15px; flex: 1; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-family: var(--font-heading); font-weight: 700; font-size: 14px; color: var(--blue); }
.link-arrow i { transition: transform var(--transition); }
.link-arrow:hover i, .project-card:hover .link-arrow i { transform: translateX(4px); }

/* ---------- Process ---------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.process-step { position: relative; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 38px 24px 30px; text-align: center; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.step-number { position: absolute; top: 16px; right: 18px; font-family: var(--font-heading); font-weight: 800; font-size: 30px; color: var(--bg-alt); line-height: 1; }
.section-alt .step-number { color: #e8ebf3; }
.step-icon { width: 74px; height: 74px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; background: var(--grad-brand); color: var(--white); font-size: 28px; }
.process-step:hover .step-icon { background: var(--orange); color: var(--navy-900); }
.process-step h3 { font-size: 18px; margin-bottom: 8px; }
.process-step p { color: var(--muted); font-size: 14.5px; }

/* ---------- Projects ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.project-card { display: flex; flex-direction: column; background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: transform var(--transition), box-shadow var(--transition); }
.section-dark .project-card { border-color: transparent; }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.project-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.project-card:hover .project-card-img img { transform: scale(1.07); }
.project-tag, .project-count { position: absolute; top: 14px; padding: 5px 12px; border-radius: 30px; font-size: 12px; font-weight: 700; }
.project-tag { left: 14px; background: var(--orange); color: var(--navy-900); }
.project-count { right: 14px; background: rgba(12, 15, 42, .7); color: var(--white); }
.project-card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.project-type { font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--sky); margin-bottom: 6px; }
.project-card h3 { font-size: 19px; margin-bottom: 8px; color: var(--navy-900) !important; }
.project-card p { color: var(--muted); font-size: 14.5px; flex: 1; }

/* ---------- Videos ---------- */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.video-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.video-wrap { position: relative; aspect-ratio: 16 / 9; background: var(--navy-950); }
.video-wrap video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-card figcaption { padding: 18px 22px 22px; }
.video-card h3 { font-size: 17px; margin-bottom: 4px; }
.video-card p { font-size: 14px; color: var(--muted); }

/* ---------- Clients & badges ---------- */
.logo-strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.logo-item { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); padding: 14px; display: grid; place-items: center; }
.logo-item img { width: 100%; max-width: 170px; height: auto; filter: grayscale(100%); opacity: .75; transition: filter var(--transition), opacity var(--transition); }
.logo-item:hover img { filter: none; opacity: 1; }
.badge-strip { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 28px; margin-top: 40px; }
.badge-strip img { height: 110px; width: auto; }

/* ---------- Quote / forms ---------- */
.quote-section { background: var(--grad-dark); color: rgba(255, 255, 255, .82); position: relative; overflow: hidden; }
.quote-section::before { content: ''; position: absolute; width: 520px; height: 520px; right: -160px; top: -200px; border-radius: 50%; background: radial-gradient(circle, rgba(26, 134, 196, .35), transparent 70%); }
.quote-grid { position: relative; display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; }
.quote-info h2 { color: var(--white); font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 14px; }
.quote-info .eyebrow { color: var(--orange); }
.quote-contact { margin-top: 30px; display: grid; gap: 18px; }
.quote-contact li { display: flex; align-items: center; gap: 14px; }
.quote-contact li > span { width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; background: rgba(255, 255, 255, .08); color: var(--orange); }
.quote-contact small { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: rgba(255, 255, 255, .55); }
.quote-contact a { color: var(--white); font-weight: 600; word-break: break-word; }
.quote-contact a:hover { color: var(--orange); }
.quote-form-card { background: var(--white); color: var(--text); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-lg); }
.quote-form-card > h2 { font-size: 28px; margin-bottom: 6px; }
.quote-form-card .lead { color: var(--muted); margin-bottom: 26px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 7px; font-size: 13.5px; font-weight: 600; color: var(--navy-900); }
.req { color: var(--orange-dark); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 13px 15px; border: 1.5px solid var(--border); border-radius: var(--radius);
    background: #fbfcfe; font: inherit; font-size: 15px; color: var(--text); transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 4px rgba(26, 134, 196, .15); background: var(--white); }
.form-group.has-error input, .form-group.has-error textarea { border-color: #d63c3c; }
.field-error { display: block; min-height: 0; margin-top: 5px; font-size: 13px; color: #c62f2f; }
.form-submit { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.form-note { font-size: 13px; color: var(--muted); }
.form-note i { color: var(--sky); margin-right: 4px; }
.form-alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 20px; font-weight: 600; font-size: 15px; }
.form-alert.success { background: #e7f6ee; color: #146c3c; border: 1px solid #b9e4cb; }
.form-alert.error { background: #fdecec; color: #a32020; border: 1px solid #f4c3c3; }
.hp-field { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Page banner ---------- */
.page-banner { position: relative; padding: 90px 0 80px; color: var(--white); background: var(--navy-900) var(--banner-img) center / cover no-repeat; overflow: hidden; }
.page-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(12, 15, 42, .95) 0%, rgba(27, 31, 75, .86) 50%, rgba(28, 74, 146, .6) 100%); }
.page-banner::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 5px; background: linear-gradient(90deg, var(--indigo), var(--sky) 60%, var(--orange)); }
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { color: var(--white); font-size: clamp(30px, 5vw, 52px); font-weight: 800; margin: 14px 0 12px; }
.page-banner p { max-width: 640px; font-size: 17px; color: rgba(255, 255, 255, .82); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, .7); }
.breadcrumb a { color: var(--orange); font-weight: 600; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb i { font-size: 9px; opacity: .6; }

/* ---------- Services page ---------- */
.service-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.service-nav a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 40px; border: 1.5px solid var(--border); font-size: 14px; font-weight: 600; color: var(--navy-900); background: var(--white); }
.service-nav a i { color: var(--sky); }
.service-nav a:hover { border-color: var(--orange); background: var(--orange-soft); }
.service-detail .eyebrow i { font-size: 13px; }

/* ---------- Gallery & lightbox ---------- */
.filter-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 32px; }
.filter-btn { padding: 8px 16px; border-radius: 40px; border: 1.5px solid var(--border); background: var(--white); font-size: 13.5px; font-weight: 600; color: var(--navy-900); cursor: pointer; transition: all var(--transition); }
.filter-btn:hover { border-color: var(--sky); }
.filter-btn.active { background: var(--navy-900); border-color: var(--navy-900); color: var(--white); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-grid-sm { grid-template-columns: repeat(3, 1fr); margin-top: 18px; }
.gallery-item { position: relative; display: block; aspect-ratio: 1; overflow: hidden; border-radius: var(--radius); background: var(--border); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item.is-hidden { display: none; }
.gallery-zoom { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(12, 15, 42, .45); color: var(--white); font-size: 22px; opacity: 0; transition: opacity var(--transition); }
.gallery-item:hover .gallery-zoom, .project-hero-img:hover .gallery-zoom { opacity: 1; }

.lightbox { position: fixed; inset: 0; z-index: 3000; background: rgba(8, 10, 28, .95); display: flex; align-items: center; justify-content: center; padding: 60px 70px; }
.lightbox[hidden] { display: none; }
.lightbox figure { max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; }
.lightbox img { max-width: 100%; max-height: calc(100vh - 160px); width: auto; border-radius: 6px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.lightbox figcaption { color: rgba(255, 255, 255, .85); margin-top: 14px; font-size: 15px; text-align: center; }
.lb-btn { position: absolute; width: 50px; height: 50px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .12); color: var(--white); font-size: 20px; cursor: pointer; display: grid; place-items: center; transition: background var(--transition); }
.lb-btn:hover { background: var(--orange); color: var(--navy-900); }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 14px; top: 50%; transform: translateY(-50%); }
body.no-scroll { overflow: hidden; }

/* ---------- Project single ---------- */
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 26px; font-weight: 700; color: var(--blue); }
.back-link:hover { gap: 12px; }
.project-single-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.project-hero-img { position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 34px; box-shadow: var(--shadow); }
.project-hero-img img { width: 100%; max-height: 560px; object-fit: cover; }
.project-content h2 { font-size: 28px; margin-bottom: 16px; }
.project-content h3 { font-size: 21px; margin: 34px 0 6px; }
.project-content p { color: var(--muted); }
.project-info-card { position: sticky; top: calc(var(--header-h) + 24px); background: var(--grad-dark); color: var(--white); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-lg); }
.project-info-card h2 { color: var(--white); font-size: 20px; padding-bottom: 14px; margin-bottom: 8px; border-bottom: 1px solid rgba(255, 255, 255, .15); }
.project-meta { margin-bottom: 24px; }
.project-meta li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.project-meta i { color: var(--orange); margin-top: 4px; width: 16px; text-align: center; }
.meta-label { display: block; font-size: 11.5px; letter-spacing: 1px; text-transform: uppercase; color: rgba(255, 255, 255, .55); }
.meta-value { font-weight: 600; font-size: 15px; }
.project-info-card .btn + .btn { margin-top: 12px; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; align-items: start; }
.contact-info-card { background: var(--grad-dark); color: rgba(255, 255, 255, .8); border-radius: var(--radius-lg); padding: 40px 34px; }
.contact-info-card > h2 { color: var(--white); font-size: 26px; margin-bottom: 10px; }
.contact-info-card > p { margin-bottom: 30px; }
.contact-detail { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-detail-icon { width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; display: grid; place-items: center; background: rgba(255, 255, 255, .08); color: var(--orange); font-size: 17px; }
.contact-detail-text h3 { font-family: var(--font-body); font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255, 255, 255, .55); margin-bottom: 4px; }
.contact-detail-text a, .contact-detail-text p { color: var(--white); font-weight: 600; word-break: break-word; }
.contact-detail-text a:hover { color: var(--orange); }
.map-section iframe { display: block; width: 100%; height: 440px; border: 0; }
.badge-mbe { display: inline-flex; align-items: center; gap: 8px; margin-top: 10px; padding: 8px 16px; border-radius: 40px; background: rgba(232, 130, 42, .14); border: 1px solid rgba(232, 130, 42, .45); color: var(--orange); font-size: 12.5px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: rgba(255, 255, 255, .68); font-size: 15px; }
.footer-cta { background: var(--grad-brand); }
.footer-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 40px; padding-bottom: 40px; flex-wrap: wrap; }
.footer-cta h2 { color: var(--white); font-size: clamp(22px, 3vw, 30px); }
.footer-cta p { color: rgba(255, 255, 255, .85); margin-top: 4px; }
.footer-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-top { padding: 70px 0 44px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; }
.footer-logo img { height: 62px; width: auto; margin-bottom: 20px; }
.footer-about p { font-size: 14.5px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-btn { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .08); color: var(--white); }
.social-btn:hover { background: var(--orange); color: var(--navy-900); }
.footer-heading { color: var(--white); font-size: 16px; margin-bottom: 20px; padding-bottom: 12px; position: relative; }
.footer-heading::after { content: ''; position: absolute; left: 0; bottom: 0; width: 36px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--sky), var(--orange)); }
.footer-nav li + li { margin-top: 9px; }
.footer-nav a { font-size: 14.5px; }
.footer-nav a:hover { color: var(--orange); padding-left: 4px; }
.footer-contact-list li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14.5px; }
.footer-contact-list i { color: var(--sky-light); margin-top: 5px; width: 14px; flex-shrink: 0; }
.footer-contact-list a { word-break: break-word; }
.footer-contact-list a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; font-size: 13px; line-height: 1.5; color: rgba(255, 255, 255, .5); }
.footer-bottom-inner p { margin: 0; }

/* ---------- Floating buttons ---------- */
.scroll-top, .mobile-call-btn { position: fixed; z-index: 900; width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; border: 0; cursor: pointer; box-shadow: var(--shadow); }
.scroll-top { right: 22px; bottom: 22px; background: var(--navy-900); color: var(--white); opacity: 0; visibility: hidden; transform: translateY(16px); transition: all var(--transition); }
.scroll-top.visible { opacity: 1; visibility: visible; transform: none; }
.scroll-top:hover { background: var(--orange); color: var(--navy-900); }
.mobile-call-btn { display: none; left: 18px; bottom: 18px; background: var(--orange); color: var(--navy-900); font-size: 19px; animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(232, 130, 42, .55); } 70% { box-shadow: 0 0 0 16px rgba(232, 130, 42, 0); } 100% { box-shadow: 0 0 0 0 rgba(232, 130, 42, 0); } }

/* ---------- Scroll animations ---------- */
.js .animate-on-scroll { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.js .animate-on-scroll.animated { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
    .js .animate-on-scroll { opacity: 1; transform: none; }
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1240px) {
    .header-phone-text { display: none; }
    .nav-link { padding: 10px 11px; }
}

@media (max-width: 1100px) {
    :root { --header-h: 74px; }
    .site-logo img { height: 52px; }
    .header-cta { display: none; }
    .mobile-toggle { display: flex; }

    .main-nav {
        position: fixed; top: 0; right: 0; bottom: 0; z-index: 1002;
        width: min(360px, 86vw); padding: 86px 22px 28px; background: var(--white);
        flex-direction: column; justify-content: flex-start; overflow-y: auto;
        transform: translateX(100%); transition: transform .35s ease; box-shadow: var(--shadow-lg);
    }
    .main-nav.open { transform: none; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
    .nav-list > li { flex-wrap: wrap; border-bottom: 1px solid var(--border); }
    .nav-link { flex: 1; padding: 14px 6px; font-size: 16px; }
    .nav-link::after { display: none; }
    .dropdown-toggle { padding: 14px 12px; font-size: 13px; }
    .has-dropdown.open .dropdown-toggle i { transform: rotate(180deg); }
    .dropdown-menu { position: static; width: 100%; min-width: 0; box-shadow: none; border-top: 0; padding: 0 0 10px 10px; display: none; opacity: 1; visibility: visible; transform: none; }
    .has-dropdown.open .dropdown-menu { display: block; }
    .nav-mobile-cta { display: grid; gap: 10px; margin-top: 24px; }
    .mobile-toggle { position: relative; z-index: 1003; }

    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero-glow { right: -300px; }
    .services-grid, .projects-grid, .video-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .logo-strip { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .project-single-grid { grid-template-columns: 1fr; }
    .project-info-card { position: static; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    .section { padding: 72px 0; }
    .split, .quote-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
    .split-reverse .split-media { order: 0; }
    .split-media { max-width: 640px; width: 100%; margin: 0 auto; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: 0; }
    .stat-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .18); }
    .topbar .hide-md { display: none; }
}

@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .section { padding: 60px 0; }
    .section-header { margin-bottom: 36px; }
    .section-header p { font-size: 16px; }
    .topbar .hide-sm, .topbar-badge { display: none; }
    .topbar-inner { min-height: 38px; }
    .site-logo img { height: 46px; }

    .hero { min-height: 0; }
    .hero-inner { padding-top: 64px; padding-bottom: 64px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }

    .services-grid, .projects-grid, .video-grid, .process-steps { grid-template-columns: 1fr; }
    .features-list, .checklist-2col, .form-row { grid-template-columns: 1fr; }
    .form-row { gap: 0; }
    .logo-strip { grid-template-columns: repeat(2, 1fr); }
    .badge-strip { gap: 16px; }
    .badge-strip img { height: 80px; }
    .gallery-grid, .gallery-grid-sm { grid-template-columns: repeat(2, 1fr); gap: 10px; }

    .media-stack { padding-bottom: 40px; }
    .badge-float, .cert-badge { left: 0; top: 16px; padding: 14px 16px; }
    .badge-float .num { font-size: 30px; }

    .quote-form-card, .contact-info-card { padding: 28px 20px; }
    .form-submit .btn { width: 100%; }
    .page-banner { padding: 64px 0 56px; }
    .page-banner p { font-size: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 34px; }
    .footer-cta-actions, .footer-cta-actions .btn { width: 100%; }
    .footer-bottom-inner { justify-content: center; text-align: center; }
    .map-section iframe { height: 320px; }

    .mobile-call-btn { display: grid; }
    .lightbox { padding: 60px 10px; }
    .lb-prev, .lb-next { top: auto; bottom: 14px; transform: none; }
    .lb-prev { left: calc(50% - 60px); }
    .lb-next { right: calc(50% - 60px); }
}

@media (max-width: 380px) {
    .btn { padding: 12px 18px; white-space: normal; }
    .stat-label { font-size: 11px; letter-spacing: .5px; }
}