/* SCI MTE PREVENT STYLE - DESIGN SYSTEM */

:root {
    --primary-color: #9b7e36;
    /* Logo Gold */
    --primary-light: #bfa36a;
    --primary-dark: #7a632b;
    --accent-color: #1a1a1a;
    /* Dark Contrast */
    --white: #ffffff;
    --black: #0c0c0c;
    --dark-gray: #222222;
    --light-gray: #f9f9f9;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

h1,
h2,
h3,
h4,
.premium-text {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* SECTION PADDINGS */
section {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--light-gray);
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* UTILS */
.bg-overlay {
    position: relative;
}

.bg-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.62);
    /* Stronger dark overlay for readability */
    z-index: 1;
}

.bg-overlay-light::before {
    background: rgba(255, 255, 255, 0.90);
    /* Light overlay */
}

/* All containers and content inside bg-overlay get z-index 2 */
.bg-overlay .container,
.bg-overlay > * {
    position: relative;
    z-index: 2;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* HEADER STYLE */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    padding: 10px 0;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(155, 126, 54, 0.1);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

/* NAV LINKS - white by default (over dark hero), dark when header is scrolled */
.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.92);
    position: relative;
    padding-bottom: 5px;
    transition: var(--transition);
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

header.scrolled .nav-links a {
    color: var(--black);
    text-shadow: none;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 700;
}

header.scrolled .nav-links a.active {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Menu toggle & btn visible on transparent header */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
    transition: var(--transition);
}

header.scrolled .menu-toggle {
    color: var(--primary-color);
    text-shadow: none;
}

/* CTA button visible on transparent header */
header:not(.scrolled) .btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
}

/* SUBPAGE HERO */
.sub-hero {
    height: 60vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
    padding-top: 100px;
}

.sub-hero h1 {
    font-size: 3.5rem;
}

/* HERO SECTION */
.hero {
    height: 100vh;
    background-image: url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.section-bg-office {
    background-image: url('../assets/images/luxury_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section-bg-construction {
    background-image: url('https://images.unsplash.com/photo-1503387762-592eda58efaf?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* SERVICES GRID */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid #eee;
}

.service-card:hover {
    transform: scale(1.03);
    border-color: var(--primary-color);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* PROJECTS GALLERY */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 16/9;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: white;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

/* CONTACT PAGE */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form {
    background: var(--light-gray);
    padding: 50px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.form-group textarea {
    height: 150px;
}

/* ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Ensure Hero is always visible by default for better LCP and UX */
.hero-content {
    opacity: 1 !important;
    transform: none !important;
}

/* FOOTER */
footer {
    background-color: var(--black);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-about h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links h4 {
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
    transition: var(--transition);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* WHATSAPP FLOATING */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}



@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .sub-hero h1 {
        font-size: 2.2rem;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 40px 20px;
        text-align: center;
        box-shadow: var(--shadow);
        z-index: 1000;
    }

    /* Mobile nav links must be dark on white background */
    .nav-links a {
        color: var(--black);
        text-shadow: none;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
        order: 2;
    }

    .btn-header-mobile {
        display: none;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .intro-grid {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
}