/* ==========================================================================
   NIW INTERNATIONALS — Design System
   ========================================================================== */

:root {
	--navy: #0a2540;
	--navy-light: #123a63;
	--navy-soft: #17497c;
	--teal: #0eb8c0;
	--teal-dark: #0a9aa1;
	--gold: #f2a541;
	--bg: #ffffff;
	--bg-alt: #fbfcfd;
	--text: #33404b;
	--text-light: #6b7a86;
	--white: #ffffff;
	--border: #e2e8ee;
	--radius-sm: 8px;
	--radius: 16px;
	--radius-lg: 26px;
	--shadow-sm: 0 4px 14px rgba(10, 37, 64, 0.07);
	--shadow-md: 0 12px 32px rgba(10, 37, 64, 0.10);
	--shadow-lg: 0 24px 60px rgba(10, 37, 64, 0.18);
	--ease: cubic-bezier(.4, 0, .2, 1);
	--header-h: 84px;
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body {
	font-family: 'Inter', -apple-system, Arial, sans-serif;
	color: var(--text);
	background: var(--bg);
	line-height: 1.65;
	overflow-x: hidden;
	-webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
	font-family: 'Poppins', sans-serif;
	color: var(--navy);
	line-height: 1.25;
	font-weight: 700;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
::selection { background: var(--teal); color: #fff; }

.container {
	width: 100%;
	max-width: 1220px;
	margin: 0 auto;
	padding: 0 24px;
}

.section { padding: 110px 0; position: relative; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { max-width: 680px; margin: 0 auto 60px; text-align: center; }
.section-tag {
	display: inline-block;
	color: var(--teal-dark);
	background: rgba(14, 184, 192, .1);
	font-weight: 600;
	font-size: .8rem;
	letter-spacing: .08em;
	text-transform: uppercase;
	padding: 6px 16px;
	border-radius: 30px;
	margin-bottom: 16px;
}
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 14px; }
.section-head p { color: var(--text-light); font-size: 1.05rem; }

.text-gradient {
	background: linear-gradient(95deg, var(--teal) 0%, var(--gold) 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.grid { display: grid; gap: 30px; }

/* ---------- Buttons ---------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 15px 32px;
	border-radius: 50px;
	font-weight: 600;
	font-size: .95rem;
	transition: all .35s var(--ease);
	white-space: nowrap;
}
.btn-sm { padding: 10px 22px; font-size: .85rem; }
.btn-primary {
	background: linear-gradient(95deg, var(--teal) 0%, var(--teal-dark) 100%);
	color: #fff;
	box-shadow: 0 10px 24px rgba(14, 184, 192, .35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(14, 184, 192, .45); }
.btn-outline {
	border: 1.5px solid var(--navy);
	color: var(--navy);
	background: transparent;
}
.btn-outline:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-block { width: 100%; }

/* ---------- Preloader ---------- */
.preloader {
	position: fixed; inset: 0; z-index: 9999;
	background: var(--navy);
	display: flex; align-items: center; justify-content: center;
	transition: opacity .5s var(--ease), visibility .5s var(--ease);
}
.preloader.loaded { opacity: 0; visibility: hidden; }
.loader-ring {
	width: 54px; height: 54px;
	border: 4px solid rgba(255,255,255,.15);
	border-top-color: var(--teal);
	border-radius: 50%;
	animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Reveal Animation ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: .08s; }
.reveal:nth-child(3) { transition-delay: .16s; }
.reveal:nth-child(4) { transition-delay: .24s; }
.reveal:nth-child(5) { transition-delay: .32s; }
.reveal:nth-child(6) { transition-delay: .4s; }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
	position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
	height: var(--header-h);
	display: flex; align-items: center;
	border-bottom: 1px solid transparent;
	transition: height .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header::before {
	content: '';
	position: absolute; inset: 0; z-index: -1;
	background: rgba(255, 255, 255, .75);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	transition: background .4s var(--ease);
}
.site-header.scrolled {
	height: 72px;
	border-bottom: 1px solid var(--border);
	box-shadow: var(--shadow-sm);
}
.site-header.scrolled::before {
	background: rgba(255, 255, 255, .95);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.logo { display: flex; align-items: center; gap: 12px; }
.header-logo-img { height: 48px; width: auto; object-fit: contain; }

.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-link {
	display: inline-block;
	padding: 10px 16px;
	color: var(--text);
	font-weight: 500;
	font-size: .95rem;
	border-radius: 30px;
	transition: all .3s var(--ease);
	position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--navy); background: rgba(14,184,192,.1); }

.header-cta { margin-left: 10px; flex-shrink: 0; }

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 40px; height: 40px;
}
.nav-toggle span {
	display: block; width: 24px; height: 2px;
	background: var(--navy); border-radius: 2px;
	transition: all .3s var(--ease);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
	position: relative;
	min-height: 100vh;
	display: flex; align-items: center;
	overflow: hidden;
	padding-top: var(--header-h);
}
.hero-bg {
	position: absolute; inset: 0;
	background:
		radial-gradient(560px circle at 10% 15%, rgba(14,184,192,.16), transparent 60%),
		radial-gradient(520px circle at 92% 85%, rgba(242,165,65,.14), transparent 60%),
		radial-gradient(640px circle at 75% 5%, rgba(10,37,64,.05), transparent 60%),
		#ffffff;
}
.hero-overlay {
	position: absolute; inset: 0;
	background: linear-gradient(180deg, rgba(255,255,255,0) 60%, rgba(255,255,255,.9) 100%);
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-particles span {
	position: absolute;
	width: 6px; height: 6px;
	background: rgba(14, 184, 192, .35);
	border-radius: 50%;
	animation: float-up linear infinite;
}
@keyframes float-up {
	0% { transform: translateY(0) translateX(0); opacity: 0; }
	10% { opacity: 1; }
	100% { transform: translateY(-120vh) translateX(20px); opacity: 0; }
}

.hero-content { position: relative; z-index: 2; max-width: 780px; padding: 60px 24px; }
.eyebrow {
	color: var(--teal-dark);
	font-weight: 600;
	letter-spacing: .1em;
	text-transform: uppercase;
	font-size: .82rem;
	margin-bottom: 22px;
}
.hero h1 { color: var(--navy); font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 24px; }
.hero-lead { color: var(--text-light); font-size: 1.12rem; max-width: 680px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 30px; }

.hero-note {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	color: var(--navy);
	font-size: .92rem;
	background: linear-gradient(95deg, rgba(14,184,192,.1), rgba(242,165,65,.08));
	border: 1px solid var(--border);
	border-radius: 50px;
	padding: 12px 22px;
	margin-bottom: 40px;
}
.hero-note i { color: var(--teal-dark); font-size: 1rem; }
.hero-note strong { color: var(--navy); }

.hero-stats {
	display: flex; flex-wrap: wrap; gap: 40px;
	padding-top: 36px;
	border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: 'Poppins', sans-serif; font-size: 2rem; font-weight: 800; color: var(--navy); }
.stat-label, .stat-label-only { color: var(--text-light); font-size: .85rem; margin-top: 4px; }
.stat-label-only { font-family: 'Poppins', sans-serif; font-weight: 600; color: var(--navy); font-size: 1rem; align-self: center; }

.scroll-indicator {
	position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
	width: 28px; height: 44px;
	border: 2px solid var(--border);
	border-radius: 20px;
	z-index: 2;
}
.scroll-indicator span {
	position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
	width: 4px; height: 8px;
	background: var(--teal-dark); border-radius: 3px;
	animation: scroll-dot 1.6s ease infinite;
}
@keyframes scroll-dot {
	0% { opacity: 1; top: 8px; }
	100% { opacity: 0; top: 22px; }
}

/* ==========================================================================
   Products
   ========================================================================== */
.products-grid { grid-template-columns: repeat(3, 1fr); }
.product-card {
	background: #fff;
	border-radius: var(--radius);
	padding: 40px 32px;
	box-shadow: var(--shadow-sm);
	transition: all .4s var(--ease);
	border: 1px solid var(--border);
}
.product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-icon {
	width: 62px; height: 62px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 16px;
	background: linear-gradient(135deg, rgba(14,184,192,.14), rgba(10,37,64,.08));
	color: var(--teal-dark);
	font-size: 1.5rem;
	margin-bottom: 22px;
	transition: all .4s var(--ease);
}
.product-card:hover .product-icon { background: linear-gradient(135deg, var(--teal), var(--navy-soft)); color: #fff; }
.product-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.product-card p { color: var(--text-light); font-size: .96rem; }

/* ==========================================================================
   Highlight Strip
   ========================================================================== */
.highlight-strip { background: linear-gradient(95deg, rgba(14,184,192,.08) 0%, #ffffff 45%, rgba(242,165,65,.08) 100%); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 34px 0; }
.highlight-inner {
	display: flex;
	align-items: center;
	gap: 22px;
	flex-wrap: wrap;
}
.highlight-icon {
	width: 52px; height: 52px;
	flex-shrink: 0;
	display: flex; align-items: center; justify-content: center;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--teal), var(--gold));
	color: #fff;
	font-size: 1.3rem;
	box-shadow: var(--shadow-sm);
}
.highlight-inner p { color: var(--navy); font-size: 1.02rem; flex: 1; min-width: 240px; }
.highlight-inner p strong { color: var(--teal-dark); }
.highlight-inner .btn { flex-shrink: 0; }

/* ==========================================================================
   Process
   ========================================================================== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }
.process-step {
	text-align: center;
	position: relative;
	padding: 10px;
}
.process-num {
	font-family: 'Poppins', sans-serif;
	font-size: 3rem; font-weight: 800;
	color: var(--border);
	line-height: 1;
	margin-bottom: 6px;
}
.process-icon {
	width: 66px; height: 66px;
	margin: 0 auto 18px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--navy), var(--navy-soft));
	color: var(--teal);
	font-size: 1.4rem;
	box-shadow: var(--shadow-md);
}
.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { color: var(--text-light); font-size: .92rem; }

/* ==========================================================================
   Who We Serve
   ========================================================================== */
.serve-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 22px; }
.serve-card {
	background: #fff;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 30px 14px;
	text-align: center;
	transition: all .35s var(--ease);
}
.serve-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--teal); }
.serve-card i { font-size: 1.8rem; color: var(--teal-dark); margin-bottom: 12px; display: block; }
.serve-card span { font-weight: 600; font-size: .9rem; color: var(--navy); }

/* ==========================================================================
   Why Us
   ========================================================================== */
.why-grid { grid-template-columns: repeat(4, 1fr); }
.why-card {
	text-align: center;
	padding: 36px 26px;
	border-radius: var(--radius);
	transition: all .35s var(--ease);
}
.why-card:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateY(-6px); }
.why-card i {
	font-size: 2.2rem;
	color: var(--gold);
	margin-bottom: 18px;
	display: inline-block;
}
.why-card h4 { font-size: 1.08rem; margin-bottom: 10px; }
.why-card p { color: var(--text-light); font-size: .92rem; }

/* ==========================================================================
   Gallery
   ========================================================================== */
.gallery-grid {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 18px;
}
.gallery-item {
	position: relative;
	flex: 0 1 calc(25% - 14px);
	aspect-ratio: 1 / 1;
	border-radius: var(--radius-sm);
	overflow: hidden;
	cursor: pointer;
	box-shadow: var(--shadow-sm);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.gallery-item::after {
	content: attr(data-caption);
	position: absolute; inset: auto 0 0 0;
	padding: 14px 16px;
	background: linear-gradient(to top, rgba(10,37,64,.92), transparent);
	color: #fff;
	font-weight: 600;
	font-size: .85rem;
	transform: translateY(100%);
	transition: transform .35s var(--ease);
}
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item:hover::after { transform: translateY(0); }
.gallery-item::before {
	content: '\f00e';
	font-family: 'Font Awesome 6 Free';
	font-weight: 900;
	position: absolute; top: 14px; right: 14px;
	width: 36px; height: 36px;
	border-radius: 50%;
	background: rgba(255,255,255,.9);
	color: var(--navy);
	display: flex; align-items: center; justify-content: center;
	opacity: 0; transform: scale(.6);
	transition: all .3s var(--ease);
	z-index: 2;
}
.gallery-item:hover::before { opacity: 1; transform: scale(1); }

/* Lightbox */
.lightbox {
	position: fixed; inset: 0; z-index: 2000;
	background: rgba(10, 20, 30, .96);
	display: flex; align-items: center; justify-content: center;
	opacity: 0; visibility: hidden;
	transition: opacity .35s var(--ease), visibility .35s var(--ease);
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox-figure { max-width: 82vw; max-height: 82vh; text-align: center; }
.lightbox-figure img { max-width: 82vw; max-height: 74vh; object-fit: contain; border-radius: 10px; box-shadow: var(--shadow-lg); }
.lightbox-figure figcaption { color: #fff; margin-top: 16px; font-weight: 500; letter-spacing: .02em; }
.lightbox-close, .lightbox-prev, .lightbox-next {
	position: fixed;
	color: #fff;
	width: 50px; height: 50px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 50%;
	background: rgba(255,255,255,.08);
	font-size: 1.1rem;
	transition: all .3s var(--ease);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--teal); }
.lightbox-close { top: 30px; right: 30px; }
.lightbox-prev { left: 30px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 30px; top: 50%; transform: translateY(-50%); }

/* ==========================================================================
   Our Office
   ========================================================================== */
.office { background: var(--bg); }
.office-inner {
	display: grid;
	grid-template-columns: 1fr 1fr;
	align-items: center;
	gap: 50px;
}
.office-media {
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow-lg);
}
.office-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.office-copy .section-tag { margin-bottom: 16px; }
.office-copy h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 16px; }
.office-copy p { color: var(--text-light); font-size: 1.05rem; }

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner { position: relative; padding: 100px 0; overflow: hidden; background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-bg { position: absolute; inset: 0; background: url('images/327.jpg') center/cover no-repeat; opacity: .05; }
.cta-overlay {
	position: absolute; inset: 0;
	background:
		radial-gradient(560px circle at 15% 20%, rgba(14,184,192,.14), transparent 55%),
		radial-gradient(520px circle at 85% 80%, rgba(242,165,65,.12), transparent 55%);
}
.cta-content { position: relative; z-index: 2; text-align: center; max-width: 640px; }
.cta-content h2 { color: var(--navy); font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: 16px; }
.cta-content p { color: var(--text-light); margin-bottom: 34px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: start; }
.contact-info { display: grid; gap: 18px; }
.info-card {
	display: flex; align-items: center; gap: 18px;
	background: #fff;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 22px;
	box-shadow: var(--shadow-sm);
}
.info-card i { font-size: 1.4rem; color: var(--teal-dark); width: 30px; text-align: center; }
.info-card strong { display: block; font-family: 'Poppins', sans-serif; font-size: .92rem; color: var(--navy); margin-bottom: 3px; }
.info-card a, .info-card span { color: var(--text-light); font-size: .95rem; }
.info-card a:hover { color: var(--teal-dark); }

.social-row { display: flex; gap: 12px; margin-top: 10px; }
.social-row a {
	width: 42px; height: 42px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--teal), var(--navy-soft));
	color: #fff;
	box-shadow: var(--shadow-sm);
	transition: all .3s var(--ease);
}
.social-row a:hover { background: linear-gradient(135deg, var(--gold), var(--teal-dark)); transform: translateY(-4px); }

.contact-form {
	background: #fff;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 40px;
	box-shadow: var(--shadow-sm);
	display: grid; gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: grid; gap: 8px; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--navy); }
.form-group input, .form-group textarea, .form-group select {
	padding: 13px 16px;
	border: 1px solid var(--border);
	border-radius: 10px;
	background: var(--bg);
	color: var(--text);
	transition: all .3s var(--ease);
	resize: vertical;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
	outline: none;
	border-color: var(--teal);
	background: #fff;
	box-shadow: 0 0 0 3px rgba(14,184,192,.14);
}
.form-note { font-size: .85rem; color: var(--teal-dark); min-height: 18px; font-weight: 500; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: linear-gradient(180deg, #ffffff 0%, #f7fbfc 100%); color: var(--text-light); padding-top: 70px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 50px; }
.footer-logo-img { height: 56px; width: auto; object-fit: contain; }
.footer-brand p { margin-top: 18px; font-size: .92rem; line-height: 1.7; max-width: 320px; color: var(--text-light); }
.footer-col h5 { color: var(--navy); font-size: 1rem; margin-bottom: 20px; }
.footer-col { display: grid; gap: 12px; }
.footer-col a, .footer-col span { font-size: .92rem; color: var(--text-light); transition: color .3s var(--ease); display: flex; align-items: center; gap: 10px; }
.footer-col a:hover { color: var(--teal-dark); }

.footer-bottom { border-top: 1px solid var(--border); padding: 22px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: .85rem; color: var(--text-light); }
.credit i { color: #e0505a; }
.credit a { color: var(--navy); }
.credit a:hover { color: var(--teal-dark); }

/* ==========================================================================
   Floating Buttons
   ========================================================================== */
.floating-whatsapp {
	position: fixed; bottom: 30px; right: 30px; z-index: 900;
	width: 60px; height: 60px;
	display: flex; align-items: center; justify-content: center;
	background: #25d366;
	color: #fff;
	border-radius: 50%;
	font-size: 1.7rem;
	box-shadow: 0 8px 24px rgba(37, 211, 102, .5);
	animation: pulse-wa 2.2s infinite;
	transition: transform .3s var(--ease);
}
.floating-whatsapp:hover { transform: scale(1.08); }
.floating-label {
	position: absolute; right: 72px;
	background: var(--navy); color: #fff;
	padding: 8px 14px; border-radius: 8px;
	font-size: .82rem; font-weight: 500;
	white-space: nowrap;
	opacity: 0; visibility: hidden; transform: translateX(8px);
	transition: all .3s var(--ease);
}
.floating-whatsapp:hover .floating-label { opacity: 1; visibility: visible; transform: translateX(0); }
@keyframes pulse-wa {
	0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .55); }
	70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
	100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.back-to-top {
	position: fixed; bottom: 30px; right: 100px; z-index: 900;
	width: 46px; height: 46px;
	display: flex; align-items: center; justify-content: center;
	background: var(--navy);
	color: #fff;
	border-radius: 50%;
	box-shadow: var(--shadow-md);
	opacity: 0; visibility: hidden; transform: translateY(10px);
	transition: all .3s var(--ease);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--teal); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
	.products-grid { grid-template-columns: repeat(2, 1fr); }
	.why-grid { grid-template-columns: repeat(2, 1fr); }
	.serve-grid { grid-template-columns: repeat(3, 1fr); }
	.process-grid { grid-template-columns: repeat(2, 1fr); gap: 50px 30px; }
	.gallery-item { flex-basis: calc(33.333% - 12px); }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
	.contact-grid { grid-template-columns: 1fr; }
	.office-inner { grid-template-columns: 1fr; gap: 34px; }
	.office-media { order: -1; }
}

@media (max-width: 860px) {
	.nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; background: linear-gradient(160deg, var(--navy), var(--navy-soft)); padding: 30px 24px; transform: translateY(-110%); transition: transform .4s var(--ease), top .4s var(--ease); overflow-y: auto; z-index: 999; }
	.site-header.scrolled .nav { top: 72px; }
	.nav.open { transform: translateY(0); }
	.nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
	.nav .nav-link { padding: 16px 18px; font-size: 1.05rem; color: rgba(255,255,255,.85); }
	.nav .nav-link:hover, .nav .nav-link.active { color: #fff; background: rgba(255,255,255,.12); }
	.nav-toggle { display: flex; }
	.header-cta { display: none; }
}

@media (max-width: 720px) {
	.section { padding: 80px 0; }
	.hero-stats { gap: 26px; }
	.hero-actions { flex-direction: column; align-items: stretch; }
	.hero-actions .btn { width: 100%; }
	.products-grid, .why-grid, .serve-grid { grid-template-columns: repeat(2, 1fr); }
	.process-grid { grid-template-columns: 1fr; }
	.gallery-item { flex-basis: calc(50% - 9px); }
	.form-row { grid-template-columns: 1fr; }
	.footer-grid { grid-template-columns: 1fr; text-align: left; }
	.footer-bottom-inner { flex-direction: column; text-align: center; }
	.lightbox-prev { left: 10px; }
	.lightbox-next { right: 10px; }
	.lightbox-close { top: 16px; right: 16px; }
	.back-to-top { right: 26px; bottom: 100px; }
	.floating-whatsapp { right: 26px; bottom: 26px; }
}

@media (max-width: 480px) {
	.serve-grid, .products-grid, .why-grid { grid-template-columns: repeat(1, 1fr); }
	.gallery-grid { gap: 10px; }
	.gallery-item { flex-basis: calc(50% - 5px); }
	.hero-content { padding: 40px 20px; }
}

/* ==========================================================================
   Mobile — classic, near-pure white look
   ========================================================================== */
@media (max-width: 720px) {
	.site-header::before, .site-header.scrolled::before { background: rgba(255,255,255,.98); }
	.hero-bg { background: #ffffff; }
	.hero-overlay { background: none; }
	.hero-particles { opacity: .5; }
	.cta-bg { opacity: 0; }
	.cta-overlay { background: none; }
	.cta-banner { background: #fff; }
	.highlight-strip { background: #fff; }
	.section-alt { background: #fff; }
	.site-footer { background: #fff; }
}