/* ===== ROOT — YOUR BLUE + YELLOW ===== */
:root {
    --navy: #0a1e2f;
    --navy-light: #12344d;
    --gold: #c9a84c;
    --gold-light: #dfc267;
    --gold-dark: #a8893a;
    --white: #ffffff;
    --off-white: #f5f5f2;
    --grey: #8c8c8c;
    --black: #0a1e2f;
    --accent: #c9a84c;
    --accent-dark: #a8893a;
    --border: rgba(255,255,255,0.12);
    --max-width: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: "DM Sans", sans-serif;
    color: #0b1a2b;
    background: var(--white);
    line-height: 1.6;
}

h1, h2, h3, h4 { font-family: "Manrope", sans-serif; line-height: 1.15; }
a { text-decoration: none; color: inherit; }
img { width: 100%; display: block; }

.container { width: min(90%, var(--max-width)); margin: auto; }

/* ===== NAV ===== */
header {
    position: fixed; top: 0; left: 0; width: 100%;
    z-index: 1000; transition: 0.3s ease;
}
header.scrolled {
    background: rgba(10, 30, 47, 0.96);
    backdrop-filter: blur(15px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
nav { height: 86px; display: flex; align-items: center; justify-content: space-between; }
.logo {
    color: white; font-family: "Manrope", sans-serif;
    font-weight: 800; font-size: 21px; letter-spacing: -0.7px;
}
.logo span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; }
.nav-links a { color: rgba(255,255,255,0.82); font-size: 14px; transition: 0.3s; }
.nav-links a:hover { color: var(--gold); }
.nav-cta {
    background: var(--gold); color: var(--navy) !important;
    padding: 12px 20px; border-radius: 4px; font-weight: 700;
}
.nav-cta:hover { background: var(--gold-light); color: var(--navy) !important; }
.menu-toggle {
    display: none; border: none; background: none;
    color: white; font-size: 28px; cursor: pointer;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    background:
        linear-gradient(90deg, rgba(10, 30, 47, 0.88) 0%, rgba(10, 30, 47, 0.65) 45%, rgba(10, 30, 47, 0.25) 100%),
        url("images/hero-bg.png") center/cover no-repeat;
    display: flex; align-items: center; position: relative; color: white;
}
.hero-content { max-width: 760px; padding-top: 80px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    color: var(--gold); text-transform: uppercase;
    font-size: 12px; font-weight: 700; letter-spacing: 2px; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 35px; height: 1px; background: var(--gold); }
.hero h1 { font-size: clamp(48px, 7vw, 88px); letter-spacing: -4px; margin-bottom: 28px; color: white; }
.hero h1 span { color: var(--gold); }
.hero-description { max-width: 620px; color: rgba(255,255,255,0.78); font-size: 18px; margin-bottom: 38px; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 15px 25px; border-radius: 4px;
    font-size: 14px; font-weight: 700; transition: 0.3s;
    border: 1px solid transparent; cursor: pointer; font-family: inherit;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,0.35); color: white; }
.btn-outline:hover { background: white; color: var(--navy); }
.btn-outline-dark { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline-dark:hover { background: var(--navy); color: white; }

.hero-bottom { position: absolute; bottom: 30px; left: 0; width: 100%; }
.hero-bottom-inner { display: flex; justify-content: space-between; align-items: center; }
.scroll-text { color: rgba(255,255,255,0.55); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
.hero-location { color: rgba(255,255,255,0.65); font-size: 13px; }

/* ===== PAGE HERO ===== */
.page-hero {
    background-size: cover; background-position: center;
    color: white; text-align: left;
    padding: 180px 0 100px;
}
.page-hero h1 { font-size: clamp(40px, 6vw, 72px); letter-spacing: -2px; margin-bottom: 15px; color: white; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 18px; max-width: 640px; }

/* ===== SECTIONS ===== */
.intro { padding: 120px 0; background: var(--off-white); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.section-label {
    text-transform: uppercase; font-size: 12px; letter-spacing: 2px;
    font-weight: 700; color: var(--gold-dark); margin-bottom: 18px;
}
.intro h2 { font-size: clamp(36px, 5vw, 58px); letter-spacing: -2px; margin-bottom: 25px; color: var(--navy); }
.intro-copy { color: #666; font-size: 17px; max-width: 560px; }
.intro-image { height: 500px; object-fit: cover; border-radius: 3px; }

/* ===== SERVICES ===== */
.services { padding: 120px 0; background: white; }
.section-heading {
    display: flex; justify-content: space-between; align-items: end;
    gap: 40px; margin-bottom: 55px;
}
.section-heading h2 { font-size: clamp(36px, 5vw, 56px); letter-spacing: -2px; color: var(--navy); }
.section-heading p { max-width: 420px; color: #707070; }
.services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1px; background: #ddd; border: 1px solid #ddd;
}
.service-card {
    background: white; padding: 40px; min-height: 270px;
    transition: 0.3s; display: block; color: inherit;
}
.service-card:hover { background: var(--navy); color: white; transform: translateY(-4px); }
.service-number { color: var(--gold-dark); font-size: 13px; font-weight: 700; margin-bottom: 55px; }
.service-card h3 { font-size: 23px; margin-bottom: 14px; color: var(--navy); }
.service-card p { color: #777; font-size: 14px; }
.service-card:hover h3 { color: white; }
.service-card:hover p { color: rgba(255,255,255,0.72); }
.service-card:hover .service-number { color: var(--gold); }

/* ===== STATS ===== */
.stats { background: var(--navy); color: white; padding: 70px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 10px 35px; border-right: 1px solid var(--border); }
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: none; }
.stat h3 { font-size: 42px; color: var(--gold); margin-bottom: 5px; }
.stat p { color: rgba(255,255,255,0.65); font-size: 13px; }

/* ===== QUOTE BUILDER ===== */
.quote-section { padding: 120px 0; background: var(--off-white); }
.quote-builder {
    background: white; border-radius: 8px; padding: 40px;
    max-width: 700px; margin: 0 auto 30px;
    box-shadow: 0 20px 60px rgba(10,30,47,0.08);
}
.quote-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.quote-row label { font-weight: 700; color: var(--navy); display: flex; align-items: center; gap: 8px; font-size: 13px; }
.quote-row label i { color: var(--gold-dark); }
.quote-row select {
    padding: 14px; border: 1px solid #ddd; background: #fafafa;
    font-family: inherit; font-size: 14px; outline: none; transition: 0.2s;
}
.quote-row select:focus { border-color: var(--gold); background: white; }
.form-button { width: 100%; }
.quote-summary {
    background: white; border-radius: 8px; padding: 40px;
    max-width: 700px; margin: 0 auto;
    box-shadow: 0 20px 60px rgba(10,30,47,0.08);
}
.quote-summary h3 { color: var(--navy); margin-bottom: 20px; text-align: center; font-size: 22px; }
.empty-quote { color: #999; text-align: center; padding: 20px 0; font-size: 14px; }
.quote-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 0; border-bottom: 1px solid #eee; color: var(--navy); font-size: 15px;
}
.quote-item button {
    background: #e53e3e; color: white; border: none;
    padding: 6px 14px; border-radius: 4px; cursor: pointer; font-size: 12px; font-family: inherit;
}
.quote-total { text-align: right; font-size: 20px; margin-top: 20px; color: var(--navy); font-weight: 700; }

/* ===== GALLERY ===== */
.gallery-full {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.gallery-preview {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.gallery-item {
    background: white; border-radius: 3px; overflow: hidden;
    box-shadow: 0 4px 20px rgba(10,30,47,0.08);
    cursor: pointer; transition: 0.3s;
}
.gallery-item:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(10,30,47,0.15); }
.gallery-item img { width: 100%; height: 240px; object-fit: cover; transition: 0.4s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-caption { padding: 18px 20px; text-align: center; }
.gallery-caption h4 { color: var(--navy); font-size: 16px; margin-bottom: 4px; }
.gallery-caption p { color: #888; font-size: 13px; }

/* Gallery filter tabs */
.gallery-filter { padding: 40px 0 20px; background: white; }
.filter-tabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.filter-btn {
    background: transparent; border: 1px solid #ddd; color: var(--navy);
    padding: 10px 22px; font-family: inherit; font-size: 13px;
    font-weight: 600; cursor: pointer; transition: 0.25s; border-radius: 4px;
}
.filter-btn:hover { border-color: var(--gold); color: var(--gold-dark); }
.filter-btn.active { background: var(--navy); color: white; border-color: var(--navy); }
.gallery-item.hidden { display: none; }

/* Lightbox */
.lightbox {
    display: none; position: fixed; inset: 0;
    background: rgba(10,30,47,0.95); z-index: 2000;
    align-items: center; justify-content: center; cursor: pointer;
}
.lightbox img { max-width: 90%; max-height: 90%; border-radius: 4px; }
.lightbox-close {
    position: absolute; top: 20px; right: 40px;
    color: var(--gold); font-size: 3rem; cursor: pointer; line-height: 1;
}

/* ===== PROCESS ===== */
.process { padding: 120px 0; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.process-step { border-top: 1px solid #ccc; padding-top: 25px; }
.process-step span { font-size: 12px; color: var(--gold-dark); font-weight: 700; }
.process-step h3 { font-size: 22px; margin: 30px 0 12px; color: var(--navy); }
.process-step p { color: #777; font-size: 14px; }

/* ===== CTA ===== */
.cta {
    padding: 110px 0;
    background:
        linear-gradient(rgba(10,30,47,0.82), rgba(10,30,47,0.82)),
        url("images/hero-bg.png") center/cover;
    color: white;
}
.cta-content { max-width: 760px; }
.cta h2 { font-size: clamp(40px, 6vw, 70px); letter-spacing: -3px; margin-bottom: 25px; color: white; }
.cta p { color: rgba(255,255,255,0.75); font-size: 17px; margin-bottom: 35px; max-width: 600px; }

/* ===== CONTACT ===== */
.contact { padding: 110px 0; background: var(--off-white); }
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 100px; }
.contact h2 { font-size: 48px; letter-spacing: -2px; margin-bottom: 20px; color: var(--navy); }
.contact-intro { color: #777; margin-bottom: 40px; }
.contact-details { display: grid; gap: 20px; }
.contact-detail span {
    display: block; text-transform: uppercase; font-size: 10px;
    letter-spacing: 1.5px; font-weight: 700; color: #999; margin-bottom: 5px;
}
.contact-detail strong { font-size: 15px; }
.contact-detail a { color: var(--navy); }
.contact-detail a:hover { color: var(--gold-dark); }

.quote-form {
    background: white; padding: 45px;
    box-shadow: 0 20px 60px rgba(10,30,47,0.08);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
label { display: block; font-size: 12px; font-weight: 700; margin-bottom: 8px; color: var(--navy); }
input, select, textarea {
    width: 100%; padding: 14px; border: 1px solid #ddd;
    background: #fafafa; font-family: inherit; font-size: 14px; outline: none; transition: 0.2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--gold); background: white; }
textarea { min-height: 130px; resize: vertical; }

/* ===== FOOTER ===== */
footer { background: var(--navy); color: white; padding: 60px 0 30px; }
.footer-top {
    display: flex; justify-content: space-between; gap: 50px;
    padding-bottom: 55px; border-bottom: 1px solid var(--border);
}
.footer-brand { max-width: 350px; }
.footer-brand p { color: rgba(255,255,255,0.6); margin-top: 18px; font-size: 14px; }
.footer-links { display: flex; gap: 80px; }
.footer-column h4 {
    font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px;
    margin-bottom: 20px; color: var(--gold);
}
.footer-column a { display: block; color: rgba(255,255,255,0.65); font-size: 13px; margin-bottom: 10px; }
.footer-column a:hover { color: var(--gold); }
.footer-bottom {
    display: flex; justify-content: space-between;
    padding-top: 25px; color: rgba(255,255,255,0.45); font-size: 12px;
}

/* ===== WHATSAPP ===== */
.whatsapp {
    position: fixed; right: 25px; bottom: 25px;
    width: 55px; height: 55px; border-radius: 50%;
    background: #25D366; color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 25px; z-index: 900;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2); transition: 0.3s;
}
.whatsapp:hover { transform: scale(1.08); }

/* ===== REVEAL ANIMATION ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== MOBILE ===== */
@media (max-width: 900px) {
    .nav-links {
        position: fixed; top: 86px; left: 0; width: 100%;
        background: var(--navy); flex-direction: column; align-items: flex-start;
        padding: 30px; gap: 22px;
        transform: translateY(-150%); transition: 0.3s ease;
    }
    .nav-links.active { transform: translateY(0); }
    .menu-toggle { display: block; }
    .intro-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 35px 0; }
    .stat:nth-child(2) { border-right: none; }
    .gallery-preview { grid-template-columns: 1fr 1fr; }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .footer-top { flex-direction: column; }
    .page-hero { padding: 140px 0 80px; }
}

@media (max-width: 600px) {
    nav { height: 75px; }
    .nav-links { top: 75px; }
    .hero { min-height: 90vh; }
    .hero h1 { letter-spacing: -2.5px; }
    .hero-description { font-size: 16px; }
    .hero-bottom { display: none; }
    .intro, .services, .projects, .process, .contact { padding: 80px 0; }
    .section-heading { display: block; }
    .section-heading p { margin-top: 20px; }
    .services-grid { grid-template-columns: 1fr; }
    .gallery-preview { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .quote-form { padding: 25px; }
    .quote-builder, .quote-summary { padding: 25px; }
    .contact h2 { font-size: 40px; }
    .footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; gap: 10px; }
    .page-hero { padding: 120px 0 60px; }
    .page-hero h1 { letter-spacing: -1.5px; }
}