/* ==========================================================================
   1. VARIABLES & RESET
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #000000;
    --accent: #C89B3C;
    --accent-hover: #A47D2E;
    --white: #FFFFFF;
    --light-bg: #F9F9F9;
    --gray-text: #666666;
    --border-color: #E0E0E0;
    --font-main: 'Poppins', sans-serif;
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ==========================================================================
   2. REUSABLE COMPONENTS (Buttons, Headings, Sections)
   ========================================================================== */
.section-padding {
    padding: 100px 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.btn-gold {
    display: inline-block;
    padding: 12px 35px;
    background-color: var(--accent);
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid var(--accent);
    cursor: pointer;
    transition: var(--transition);
}

.btn-gold:hover {
    background-color: var(--primary);
    color: var(--accent);
    border-color: var(--primary);
}

.btn-outline {
    display: inline-block;
    padding: 12px 35px;
    background-color: transparent;
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

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

.section-title-wrap {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 13px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 4px;
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-color: var(--accent);
}

/* Page Banner Component */
.page-banner {
    height: 400px;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 100px;
}

.banner-content h1 {
    font-size: 48px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.banner-content p {
    font-size: 14px;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==========================================================================
   3. HEADER / NAVIGATION — Premium Luxury Redesign
   ========================================================================== */
header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background: white;
    border-bottom: 1px solid rgba(200, 155, 60, 0.25);
    transition: var(--transition);
}

header.sticky {
    background: white;
    padding: 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
    /* border-bottom: 1px solid rgba(200, 155, 60, 0.4); */
}

.nav-container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
    transition: var(--transition);
}

header.sticky .nav-container {
    height: 100px;
}

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

/* Logo — mix-blend-mode removes black bg on white navbar */
.nav-logo {
    height: auto;
    width: auto;
    max-width: 160px;
    max-height: 200px;
    display: block;
    object-fit: contain;
    mix-blend-mode: multiply;
    transition: none;
}

header.sticky .nav-logo {
    max-width: 160px;
    max-height: 200px;
}

/* Navbar — no divider, push links to right naturally */
.navbar {
    display: flex;
    align-items: center;
    padding-left: 0;
    border-left: none;
    margin-left: auto;
}

.nav-menu {
    display: flex;
    gap: 0;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-link {
    color: #bbbbbb;
    font-size: 11.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    padding: 10px 22px;
    display: block;
    position: relative;
    transition: var(--transition);
}

/* Gradient underline on hover / active */
.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transition: width 0.4s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 60%;
}

/* Small gold diamond marker above active link */
.nav-link.active::after {
    content: '◆';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 5px;
    color: var(--accent);
    letter-spacing: 0;
    line-height: 1;
}

/* Hamburger — bordered gold style */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: 1px solid rgba(200, 155, 60, 0.35);
    padding: 8px 10px;
    transition: var(--transition);
}

.hamburger:hover {
    border-color: var(--accent);
    background: rgba(200, 155, 60, 0.06);
}

.hamburger .bar {
    display: block;
    width: 22px;
    height: 1.5px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--accent);
}

/* ==========================================================================
   4. HOME PAGE SECTIONS
   ========================================================================== */

/* Hero Slider */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    margin-top: 0;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.slide.active {
    opacity: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.slide-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    color: var(--white);
    z-index: 10;
}

.slide-content h2 {
    font-size: 16px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.slide-content h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    margin-bottom: 30px;
    max-width: 800px;
}

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

.service-card {
    background-color: var(--light-bg);
    padding: 50px 30px;
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--accent);
    background-color: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.service-icon {
    font-size: 40px;
    color: var(--accent);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-text);
    font-size: 14px;
}

/* About Preview */
.about-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-preview-text h2 {
    font-size: 32px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 25px;
}

.about-preview-text p {
    color: var(--gray-text);
    margin-bottom: 30px;
    font-size: 15px;
}

.about-preview-img img {
    border-left: 5px solid var(--accent);
}

/* Why Choose Us */
.bg-dark {
    background-color: var(--primary);
    color: var(--white);
}

.bg-dark .section-title {
    color: var(--white);
}

.wcu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.wcu-box h3 {
    font-size: 45px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 10px;
}

.wcu-box h4 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.wcu-box p {
    color: #999999;
    font-size: 14px;
}

/* Testimonials */
.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-item p {
    font-size: 18px;
    font-style: italic;
    color: var(--gray-text);
    margin-bottom: 25px;
}

.testimonial-author h4 {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
}

/* ==========================================================================
   5. PORTFOLIO & PROJECTS (With Filter Engine)
   ========================================================================== */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-text);
    cursor: pointer;
    padding: 5px 15px;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    color: var(--accent);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    height: 350px;
}

.portfolio-item.hide {
    display: none;
}

.portfolio-items img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    padding: 20px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h3 {
    color: var(--white);
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    color: var(--accent);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ==========================================================================
   6. CONTACT WORKSPACE
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-item i {
    font-size: 20px;
    color: var(--accent);
    margin-top: 5px;
}

.info-item h3 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.info-item p {
    color: var(--gray-text);
    font-size: 14px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-control {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    background-color: var(--light-bg);
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--primary);
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent);
    background-color: var(--white);
}

textarea.form-control {
    height: 150px;
    resize: none;
}

/* ==========================================================================
   7. FOOTER — RESPONSIVE WITH SOCIAL ICONS
   ========================================================================== */
footer {
    background-color: #0A0A0A;
    color: var(--white);
    padding: 80px 0 30px;
    border-top: 3px solid var(--accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.logo-placeholder {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--white);
    text-transform: uppercase;
}

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

.footer-logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-logo-area p {
    color: #888888;
    font-size: 14px;
    margin-top: 20px;
    max-width: 300px;
    line-height: 1.8;
}

/* Social Icons */
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid #333333;
    color: #888888;
    font-size: 15px;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-box h3 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.footer-box h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 1px;
    background-color: var(--accent);
}

.footer-links {
    display: flex;
    flex-direction: column;
}

.footer-links a {
    color: #888888;
    font-size: 14px;
    display: block;
    margin-bottom: 10px;
}

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

.footer-contact-links p {
    color: #888888;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #1A1A1A;
    padding-top: 30px;
    text-align: center;
    font-size: 13px;
    color: #666666;
}

/* ==========================================================================
   8. RESPONSIVE DESIGN (BREAKPOINTS)
   ========================================================================== */

/* Tablet */
@media (max-width: 992px) {
    .about-preview-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }

    .slide-content h1 {
        font-size: 40px;
    }

    .section-title {
        font-size: 28px;
    }

    .page-banner {
        height: 300px;
    }

    .banner-content h1 {
        font-size: 36px;
    }
}

/* Mobile */
@media (max-width: 768px) {

    /* Navbar */
    .navbar {
        border-left: none;
        padding-left: 0;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

    .nav-container {
        height: 84px;
    }

    header.sticky .nav-container {
        height: 84px;
    }

    .nav-logo {
        max-width: 120px;
        max-height: 140px;
        height: auto;
    }

    header.sticky .nav-logo {
        max-width: 120px;
        max-height: 140px;
        height: auto;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 75px;
        flex-direction: column;
        background:white;
        width: 100%;
        text-align: center;
        transition: 0.35s ease;
        border-top: 1px solid rgba(200, 155, 60, 0.3);
        padding: 36px 0 44px;
        gap: 4px;
    }

    header.sticky .nav-menu {
        top: 75px;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: 12px;
        letter-spacing: 3px;
        padding: 14px 20px;
        color: #aaaaaa;
    }

    .nav-link.active,
    .nav-link:hover {
        color: var(--accent);
        background: rgba(200, 155, 60, 0.04);
    }

    /* Page Banner */
    .page-banner {
        height: 240px;
        margin-top: 84px;
    }

    .banner-content h1 {
        font-size: 28px;
        letter-spacing: 2px;
    }

    /* Hero */
    .slide-content h1 {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .slide-content h2 {
        font-size: 13px;
        margin-bottom: 12px;
    }

    /* Sections */
    .section-padding {
        padding: 60px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .section-title-wrap {
        margin-bottom: 40px;
    }

    /* About Grid */
    .about-preview-grid {
        gap: 30px;
    }

    .about-preview-text h2 {
        font-size: 22px;
    }

    /* Why Choose Us */
    .wcu-box h3 {
        font-size: 36px;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-item {
        height: 260px;
    }

    /* Form */
    .form-group-row {
        grid-template-columns: 1fr;
    }

    /* Footer — single column on mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-logo-area {
        text-align: center;
    }

    .footer-logo-img {
        margin: 0 auto;
    }

    .footer-logo-area p {
        max-width: 100%;
        margin: 15px auto 0;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-box {
        text-align: center;
    }

    .footer-box h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    .footer-contact-links p {
        text-align: center;
        justify-content: center;
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-contact-links p i {
        margin-right: 0 !important;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .footer-bottom {
        font-size: 12px;
        padding-top: 20px;
        text-align: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .nav-logo {
        height: auto;
        max-height: 140px;
        max-width: 105px;
    }

    header.sticky .nav-logo {
        max-height: 140px;
    }

    .nav-container {
        height: 76px;
    }

    header.sticky .nav-container {
        height: 76px;
    }

    .page-banner {
        margin-top: 76px;
    }

    .footer-logo-img {
        height: 55px;
    }

    .btn-gold,
    .btn-outline {
        padding: 10px 24px;
        font-size: 12px;
        letter-spacing: 1.5px;
    }

    .banner-content h1 {
        font-size: 22px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 58px;
    height: 58px;
    background-color: #25D366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    animation: wa-pulse 2s infinite;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.15);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.75);
    color: #ffffff;
}

@keyframes wa-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70%  { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}