/* 
    Arslanoğlu Grup - Modern & Premium Design
    Theme: Deep Black & Golden Elegance
*/

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;700;900&family=Montserrat:wght@300;400;500;600;700&display=swap');

:root {
    --gold: #D4AF37;
    --gold-bright: #F9E29C;
    --gold-dark: #A67C00;
    --black: #000000;
    --dark-grey: #111111;
    --light-grey: #1a1a1a;
    --text-white: #ffffff;
    --text-muted: #d1d1d1;
}

body {
    background-color: var(--black);
    color: var(--text-white);
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.playfair,
.hero-title {
    font-family: 'Cinzel', serif;
    letter-spacing: 2px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--black);
}

::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
    border-radius: 10px;
}

/* Navbar */
.navbar {
    background: rgba(0, 0, 0, 0.85) !important;
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    padding: 1.2rem 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    padding: 0.8rem 0;
    background: rgba(0, 0, 0, 0.95) !important;
}

.navbar.scrolled .navbar-brand img {
    height: 125px;
    margin-bottom: 0;
    margin-top: 0;
}

.navbar-brand img {
    height: 185px;
    transition: all 0.3s ease;
    z-index: 10001;
    position: relative;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.5));
    margin-bottom: -70px;
    margin-top: -20px;
}

.nav-link {
    color: var(--text-white) !important;
    font-weight: 500;
    margin: 0 10px;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

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

.dropdown-menu {
    background: var(--light-grey);
    border: 1px solid var(--gold-dark);
    border-radius: 0;
}

.dropdown-item {
    color: var(--text-white);
    padding: 10px 20px;
}

.dropdown-item:hover {
    background: var(--gold-dark);
    color: var(--black);
}

/* Hover Dropdown */
@media (min-width: 992px) {
    .nav-item.dropdown:hover>.dropdown-menu {
        display: block;
        margin-top: 0;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .dropdown-menu {
        display: block;
        opacity: 0;
        visibility: hidden;
        transform: translateY(15px);
        transition: all 0.3s ease;
    }
}


/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 0, 0, 1) 30%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--gold);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.carousel-caption p.lead {
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    font-weight: 500;
    max-width: 700px;
    font-size: 1.25rem;
}


.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Sections */
.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--gold);
}

/* Cards */
.premium-card {
    background: var(--dark-grey);
    border: 1px solid rgba(212, 175, 55, 0.1);
    padding: 40px;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.premium-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.premium-card:hover::before {
    opacity: 1;
}

.company-logo-wrapper {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.company-logo-wrapper img {
    max-height: 100%;
    max-width: 100%;
    filter: grayscale(1) brightness(1.5);
    transition: all 0.3s ease;
}

.premium-card:hover .company-logo-wrapper img {
    filter: grayscale(0) brightness(1);
}

/* Buttons */
.btn-gold {
    background: var(--gold);
    color: var(--black);
    border: none;
    border-radius: 0;
    padding: 15px 40px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.btn-gold:hover {
    background: var(--gold-bright);
    color: var(--black);
    transform: scale(1.05);
}

.btn-outline-gold {
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
    border-radius: 0;
    padding: 15px 40px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.btn-outline-gold:hover {
    background: var(--gold);
    color: var(--black);
}

/* Expanding Showcase Section */
.showcase-section {
    background: #000;
    overflow: hidden;
}

.showcase-container {
    display: flex;
    height: 85vh;
    width: 100%;
}

.showcase-item {
    position: relative;
    flex: 1;
    background-size: cover;
    background-position: center;
    transition: flex 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-item:hover {
    flex: 3;
}

.showcase-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    transition: background 0.5s ease;
    z-index: 1;
}

.showcase-item:hover .showcase-overlay {
    background: rgba(0, 0, 0, 0.7);
}

.showcase-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
    width: 100%;
    transition: all 0.5s ease;
}

.showcase-logo {
    margin-bottom: 20px;
    transition: transform 0.5s ease;
}

.showcase-logo img {
    max-height: 80px;
    max-width: 150px;
    filter: drop-shadow(0 0 10px rgba(0,0,0,0.5));
}

.showcase-title {
    font-family: 'Cinzel', serif;
    color: #fff;
    font-size: 1.5rem;
    letter-spacing: 3px;
    white-space: nowrap;
    margin-bottom: 0;
    transition: all 0.5s ease;
}

.showcase-item:hover .showcase-title {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.showcase-hidden-content {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s ease 0.2s;
    max-width: 500px;
    margin: 0 auto;
}

.showcase-item:hover .showcase-hidden-content {
    max-height: 300px;
    opacity: 1;
}

.showcase-desc {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 30px;
}

.showcase-btn {
    border: 2px solid var(--gold);
    color: #fff;
    padding: 12px 30px;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.showcase-btn:hover {
    background: var(--gold);
    color: #000;
}

@media (max-width: 992px) {
    .showcase-container {
        flex-direction: column;
        height: auto;
    }
    .showcase-item {
        height: 300px;
        flex: none;
    }
    .showcase-item:hover {
        height: 500px;
        flex: none;
    }
    .showcase-hidden-content {
        opacity: 1;
        max-height: 500px;
    }
    .showcase-title {
        font-size: 1.2rem;
    }
}

.bg-beliz { background-color: #1a1d20; }
.bg-insaat { background-color: #000000; }
.bg-gumus { background-color: #ffffff; }
.bg-hna { background-color: #e3d9c6; }

@media (max-width: 992px) {
    .concept-card {
        flex-direction: column;
        margin: 10px 0;
    }
    .concept-left {
        min-height: 200px;
    }
}


/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

#strategy p.text-muted {
    color: #e0e0e0 !important;
    font-weight: 400;
}


/* Video CTA Section */
.video-cta-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: #000;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.9) 100%);
    z-index: 2;
}

.video-cta-section .display-3 {
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}
footer {
    background: var(--dark-grey);
    border-top: 1px solid var(--gold-dark);
    padding: 80px 0 30px;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-bottom: 10px;
}

.footer-link:hover {
    color: var(--gold);
}

/* Banner Logos */
.banner-logo {
    max-height: 80px;
    max-width: 200px;
    margin-bottom: 20px;
    object-fit: contain;
    filter: brightness(1.2);
    transition: all 0.4s ease;
}

@media (max-width: 768px) {
    .banner-logo {
        max-height: 60px;
    }
}


@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    left: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    color: #FFF;
    background-color: #128c7e;
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float i {
    margin-top: 2px;
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        left: 20px;
        font-size: 25px;
    }
}