/* 
  Gülçay: Architectural & Ottoman Palace Aesthetic
  Elegant, Symmetrical, Gold/Beige/Anthracite, Premium Feel
*/

:root {
    /* Architectural Color Palette */
    --color-bg-light: #F9F8F4; /* Museum Beige */
    --color-bg-grey: #F0EFE9;
    --color-text-main: #2A2A2A;
    --color-text-muted: #5A5A5A;
    --color-accent: #C5A059; /* Classic Gold */
    --color-accent-hover: #A38448;
    --color-border: #E0DAC9;
    --color-dark: #1A1A1A; /* Anthracite/Black */
    --color-dark-warm: #23201d; /* Elegant warm dark instead of pitch black */
    
    /* Typography */
    --font-heading: 'Cinzel', serif; /* Classic, Elegant Serif */
    --font-body: 'Montserrat', sans-serif; /* Clean geometric sans for body */
    
    /* Spacing */
    --space-y: 100px;
    --container-w: 1200px; /* Slightly narrower for an elegant read */
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    line-height: 1.8;
    overflow-x: hidden;
    overflow-y: hidden; /* Prevent scroll while loader */
}

body.loaded { overflow-y: auto; }

h1, h2, h3, h4 { 
    font-family: var(--font-heading); 
    font-weight: 600; 
    color: var(--color-dark); 
    letter-spacing: 1px;
}
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; }
p { font-size: 1.05rem; color: var(--color-text-muted); font-weight: 300; }

/* =========================================
   PREMIUM ARCHITECTURAL DOOR LOADER
========================================= */
.door-loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100vh;
    display: flex;
    z-index: 999999;
    pointer-events: none;
    background: transparent; /* No more white flash. Doors cover the screen. */
}

.door-panel {
    width: 50%; height: 100%;
    background: var(--color-dark-warm); /* Elegant dark anthracite, not pure black */
    position: relative;
    transition: transform 2.5s cubic-bezier(0.85, 0, 0.15, 1);
    box-shadow: inset 0 0 50px rgba(0,0,0,0.5);
    border-right: 1px solid rgba(197, 160, 89, 0.3); /* Gold line */
}

.door-right {
    border-right: none;
    border-left: 1px solid rgba(197, 160, 89, 0.3);
}

/* Subtle architectural gold accents */
.door-panel::after {
    content: ''; position: absolute; top: 15%; bottom: 15%; width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(197, 160, 89, 0.6), transparent);
}
.door-left::after { right: 60px; }
.door-right::after { left: 60px; }

.loader-logo-wrapper {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    transition: opacity 1.2s ease, transform 1.2s ease;
}

.loader-logo {
    height: 180px; /* Massively increased elegant white logo */
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(255,255,255,0.1));
    animation: pulseLogo 3s infinite ease-in-out;
}

@keyframes pulseLogo {
    0%, 100% { opacity: 0.85; transform: scale(1.5); }
    50% { opacity: 1; transform: scale(1.7); }
}

/* On load, doors slide completely out */
body.loaded .door-left { transform: translateX(-100%); }
body.loaded .door-right { transform: translateX(100%); }
body.loaded .loader-logo-wrapper { opacity: 0; transform: translate(-50%, -50%) scale(1.2); }
body.animation-complete .door-loader { display: none; }

/* =========================================
   UTILITIES & TYPOGRAPHY
========================================= */
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 5%; }
.px-y { padding: var(--space-y) 0; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-md { max-width: 800px; }
.mt-4 { margin-top: 2rem; }
.justify-center { justify-content: center; }

.text-accent { color: var(--color-accent); }
.text-white { color: white !important; }
.text-light { color: #DDDDDD !important; }

/* =========================================
   BUTTONS (Elegant / Classic)
========================================= */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 1rem 2.5rem; font-size: 0.9rem; font-weight: 500;
    border-radius: 0; cursor: pointer; text-transform: uppercase;
    letter-spacing: 2px; transition: all 0.4s ease;
    font-family: var(--font-heading);
}

.btn-primary { 
    background-color: var(--color-accent); color: #fff; 
    border: 1px solid var(--color-accent); 
}
.btn-primary:hover { 
    background-color: transparent; color: var(--color-accent); 
}

.btn-outline-light { 
    background-color: transparent; color: white; border: 1px solid rgba(255,255,255,0.6); 
}
.btn-outline-light:hover { background-color: rgba(255,255,255,0.1); border-color: white; }

.btn-dark { background-color: var(--color-dark); color: white; border: 1px solid var(--color-dark); }
.btn-dark:hover { background-color: transparent; color: var(--color-dark); }

.btn-small { padding: 0.7rem 1.5rem; font-size: 0.8rem; }
.cta-group { display: flex; gap: 1.5rem; flex-wrap: wrap; }

/* =========================================
   INNOVATIVE TRANSPARENT HEADER
========================================= */
.site-header.transparent-header {
    position: absolute; /* Overlays the video seamlessly */
    top: 0; left: 0; width: 100%; z-index: 1000;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
    border-bottom: none;
    box-shadow: none;
    padding-top: 1rem;
}

.transparent-header .navbar {
    display: flex; justify-content: space-between; align-items: center;
    height: 80px; 
}

.transparent-header .logo { display: flex; align-items: center; height: 100%; }

.transparent-header .nav-logo {
    height: 150px; /* Big enough to bypass transparent PNG padding */
    width: auto; object-fit: contain;
    margin: -35px 0; /* Eliminates the empty space without stretching header */
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.6)); /* Pops out from video */
}

.transparent-header .nav-links { display: flex; gap: 2.5rem; align-items: center; }
.transparent-header .nav-links a { 
    font-size: 0.85rem; color: #FFFFFF; font-weight: 500; 
    text-transform: uppercase; letter-spacing: 2px; 
    font-family: var(--font-heading);
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: color 0.3s ease;
    position: relative;
}
.transparent-header .nav-links a:hover { color: var(--color-accent); }
.transparent-header .nav-links a::after {
    content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 1px;
    background: var(--color-accent); transition: width 0.3s ease;
}
.transparent-header .nav-links a:hover::after { width: 100%; }

.transparent-header .nav-actions { display: flex; align-items: center; gap: 1.5rem; }
.transparent-header .header-phone {
    color: #FFFFFF; font-weight: 600; font-family: var(--font-heading);
    font-size: 0.9rem; letter-spacing: 1px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.transparent-header .header-phone:hover { color: var(--color-accent); }

.transparent-header .btn-outline-light {
    border: 1px solid rgba(255,255,255,0.5); color: #FFFFFF;
    background: rgba(255,255,255,0.1); backdrop-filter: blur(5px);
    text-shadow: none; padding: 0.5rem 1.2rem;
}
.transparent-header .btn-outline-light:hover {
    background: var(--color-accent); border-color: var(--color-accent); color: #111;
}

/* =========================================
   HERO OFFSET (for 2-row header)
========================================= */

/* =========================================
   HERO (VIDEO BACKGROUND)
========================================= */
.hero {
    position: relative;
    height: 100vh; min-height: 700px;
    display: flex; align-items: center; justify-content: center;
}
.hero-video-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    overflow: hidden; z-index: 1;
}
.hero-video-bg video {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(20%) contrast(1.1) brightness(0.6); /* Cinematic mood */
}
.video-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, rgba(35, 32, 29, 0.3) 0%, rgba(35, 32, 29, 0.8) 100%); /* Warmer overlay instead of pure black */
}
.hero-content {
    position: relative; z-index: 2;
    padding-top: 80px;
}
.eyebrow, .eyebrow-light {
    display: inline-block; font-size: 0.85rem; font-weight: 500; letter-spacing: 5px;
    color: var(--color-accent); margin-bottom: 1.5rem; text-transform: uppercase;
    font-family: var(--font-body); border-bottom: 1px solid var(--color-accent);
    padding-bottom: 5px;
}
.main-headline { font-size: max(3.5rem, 5vw); line-height: 1.2; margin-bottom: 1.5rem; text-transform: uppercase; }
.hero-content .sub-text { font-size: 1.15rem; margin-bottom: 2.5rem; font-weight: 300; line-height: 1.8; }

/* =========================================
   STRENGTH / B2B SECTION
========================================= */
.section-light { background-color: var(--color-bg-light); }
.section-grey { background-color: var(--color-bg-grey); }
.section-dark { background-color: var(--color-dark-warm); } /* Warmer dark */
.section-accent { background-color: var(--color-accent); color: white; }
.section-accent h2, .section-accent p { color: white; }

.section-header { margin-bottom: 5rem; }
.section-header h2 { font-size: 2.8rem; margin-top: 0.5rem; text-transform: uppercase; letter-spacing: 2px;}

.strength-grid {
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 2rem;
}
.strength-card {
    background: transparent; padding: 2rem 1.5rem;
    border: 1px solid var(--color-border);
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
}
.strength-card::before {
    content: ''; position: absolute; top: 10px; left: 10px; right: 10px; bottom: 10px;
    border: 1px solid rgba(197, 160, 89, 0.2); /* Inner gold frame */
    transition: all 0.4s ease;
}
.strength-card:hover::before { border-color: var(--color-accent); }
.strength-card:hover { transform: translateY(-5px); background: #fff; box-shadow: 0 15px 30px rgba(0,0,0,0.05); }

.icon-box {
    margin: 0 auto 1.5rem;
    color: var(--color-accent);
    font-size: 2rem; font-weight: 400; font-family: var(--font-heading);
    opacity: 0.8;
}
.strength-card h3 { font-size: 1.2rem; margin-bottom: 1rem; text-transform: uppercase; font-weight: 600; }
.strength-card p { font-size: 0.95rem; line-height: 1.7; }

/* =========================================
   PRODUCT GRID (BEAUTIFIED IMAGES)
========================================= */
.product-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem;
}
.product-card {
    background: var(--color-bg-light); 
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: row; 
    align-items: stretch;
    transition: all 0.5s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
    overflow: hidden;
}
.product-card:hover { box-shadow: 0 20px 50px rgba(0,0,0,0.08); transform: translateY(-5px); }

.product-img {
    width: 45%; 
    background: #E8E6E0; /* Warm stone/concrete background matching sector */
    display: flex; align-items: center; justify-content: center;
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.product-img img { 
    width: 100%; height: 100%; 
    object-fit: cover; /* cover fills the space properly - no awkward empty areas */
    transition: transform 0.6s ease; 
}
.product-card:hover .product-img img { transform: scale(1.06); }

.product-info { 
    width: 55%; padding: 3rem; display: flex; flex-direction: column; justify-content: center;
}
.product-info h3 { font-size: 1.6rem; margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 1px; color: var(--color-dark); }
.product-features li {
    font-size: 0.95rem; color: var(--color-text-muted);
    margin-bottom: 0.8rem; display: flex; align-items: flex-start; gap: 10px;
}
.product-features li::before {
    content: '◆'; color: var(--color-accent); font-size: 0.8rem; line-height: 1.5;
}

/* =========================================
   PRODUCTION
========================================= */
.production-flex { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.production-visual { position: relative; }
.prod-video { 
    width: 100%; 
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3); 
}

.production-text h2 { font-size: 2.8rem; margin-bottom: 1.5rem; text-transform: uppercase; }
.check-list li {
    font-weight: 400; color: #ddd; margin-bottom: 1rem;
    display: flex; align-items: center; gap: 1rem; font-size: 1.05rem;
}
.check-list li span { color: var(--color-accent); font-size: 1.2rem; }

/* =========================================
   ABOUT & CTA
========================================= */
.about p { font-size: 1.1rem; line-height: 1.8; }
.final-cta { border-top: 1px solid rgba(0,0,0,0.05); }
.final-cta h2 { font-size: 3rem; margin-bottom: 1rem; text-transform: uppercase; }
.final-cta p { font-size: 1.15rem; margin-bottom: 2.5rem; opacity: 0.9; }

/* =========================================
   FOOTER
========================================= */
.site-footer { padding: 6rem 0 2rem; border-top: 2px solid var(--color-accent); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer-logo { height: 200px; width: auto; opacity: 0.95; margin-top: -60px; margin-bottom: -60px; } /* Increased height + negative margin to kill padding */
.footer-links ul li { margin-bottom: 1rem; }
.footer-links a { color: #CCCCCC; } /* FIX: Made footer links highly legible */
.footer-links a:hover { color: var(--color-accent); padding-left: 5px; }
.footer-contact p { margin-bottom: 1rem; color: #CCCCCC; } /* FIX: Made contact text highly legible */
.footer-contact strong { color: #FFFFFF; font-family: var(--font-heading); letter-spacing: 1px; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.05); font-size: 0.85rem; color: #999999; }

/* =========================================
   FLOATING ACTION BUTTONS
========================================= */
.floating-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}

.float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.float-btn svg {
    width: 28px;
    height: 28px;
    z-index: 2;
}

.float-btn .btn-text {
    position: absolute;
    right: 70px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
    pointer-events: none;
}

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

.float-btn:hover .btn-text {
    opacity: 1;
    transform: translateX(0);
}

.phone-btn {
    background-color: var(--color-dark);
    border: 2px solid var(--color-accent);
}
.phone-btn:hover {
    background-color: var(--color-accent);
}

.wa-btn {
    background-color: #25D366; /* Official WhatsApp Green */
}
.wa-btn:hover {
    background-color: #128C7E;
}

/* =========================================
   ANIMATIONS (Scroll Reveal)
========================================= */
.reveal-up { opacity: 0; transform: translateY(40px); transition: opacity 1s ease, transform 1s ease; }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 1s ease, transform 1s ease; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 1s ease, transform 1s ease; }
.is-revealed { opacity: 1; transform: translate(0, 0); }

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .strength-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .transparent-header .navbar { height: 70px; }
    .transparent-header .nav-logo { height: 110px; margin: -20px 0; }
    .transparent-header .nav-links, .transparent-header .header-phone { display: none; }
    .hero-split, .production-flex, .footer-grid { grid-template-columns: 1fr; gap: 3rem; }
    .strength-grid { grid-template-columns: 1fr; }
    .main-headline { font-size: 2.5rem; }
    .section-header h2 { font-size: 2.2rem; }
    .production-text h2, .final-cta h2 { font-size: 2.2rem; }
    .hero-content .sub-text { font-size: 1.05rem; }
    .product-card { flex-direction: column; }
    .product-img { width: 100%; height: 260px; min-height: 260px; }
    .product-info { width: 100%; padding: 1.5rem; }
    .product-info h3 { font-size: 1.4rem; }
    .footer-logo { height: 160px; margin: -40px auto; display: block; filter: opacity(0.8); } 
    .loader-logo { height: 120px; }
    .floating-actions { bottom: 20px; right: 20px; gap: 10px; }
    .float-btn { width: 50px; height: 50px; }
    .float-btn svg { width: 24px; height: 24px; }
    .float-btn .btn-text { right: 60px; padding: 6px 12px; font-size: 0.8rem; }
}
@media (max-width: 480px) {
    .main-headline { font-size: 2rem; }
    .eyebrow, .eyebrow-light { font-size: 0.75rem; letter-spacing: 3px; }
    .door-left::after { right: 20px; }
    .door-right::after { left: 20px; }
    .loader-logo { height: 60px; }
}