/* ==========================================================================
   KORKMAZ İNŞAAT - MODERN & LUXURY ARCHITECTURAL DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600;1,700&display=swap');

:root {
    --primary: #c9a050;
    --primary-light: #e5c07b;
    --primary-dark: #9e7a32;
    --secondary: #121922;
    --secondary-light: #1c2633;
    --dark: #090d12;
    --darker: #040608;
    --card-bg: rgba(18, 25, 34, 0.7);
    --card-border: rgba(201, 160, 80, 0.15);
    --card-border-hover: rgba(201, 160, 80, 0.5);
    --text-main: #f0f4f8;
    --text-muted: rgba(240, 244, 248, 0.65);
    --gold-gradient: linear-gradient(135deg, #c9a050 0%, #e5c07b 50%, #b88d3d 100%);
    --gold-gradient-hover: linear-gradient(135deg, #e5c07b 0%, #c9a050 100%);
    --dark-gradient: linear-gradient(180deg, rgba(4, 6, 8, 0.8) 0%, rgba(9, 13, 18, 0.95) 100%);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --shadow-gold: 0 10px 30px rgba(201, 160, 80, 0.2);
    --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* --- Global Reset & Typography --- */
* {
    box-sizing: border-box;
}

body {
    background-color: var(--dark) !important;
    color: var(--text-main) !important;
    font-family: 'Outfit', sans-serif !important;
    overflow-x: hidden;
    margin: 0;
    line-height: 1.7;
}

h1,
h2,
h3,
h4,
.font-serif {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

p.lead {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--text-muted);
}

.text-primary {
    color: var(--primary) !important;
}

.text-para {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
}

.tagline {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 5px;
    font-weight: 700;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
}

.tagline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary);
}

.tagline.no-line {
    padding-left: 0;
}

.tagline.no-line::before {
    display: none;
}

.section-padding {
    padding: 100px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
}

/* --- Buttons --- */
.btn-gold {
    background: var(--gold-gradient) !important;
    color: var(--darker) !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    padding: 14px 34px !important;
    border-radius: 4px !important;
    border: 1px solid transparent !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition) !important;
    box-shadow: 0 4px 15px rgba(201, 160, 80, 0.15);
}

.btn-gold:hover {
    background: var(--gold-gradient-hover) !important;
    color: var(--darker) !important;
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

.btn-outline-gold {
    background: transparent !important;
    color: var(--primary) !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    padding: 14px 34px !important;
    border-radius: 4px !important;
    border: 1px solid var(--primary) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition) !important;
}

.btn-outline-gold:hover {
    background: var(--primary) !important;
    color: var(--darker) !important;
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

/* --- Top Bar & Navigation --- */
.navbar {
    padding: 25px 0;
    transition: var(--transition);
    z-index: 1050;
    background: transparent;
}

.navbar.scrolled {
    padding: 14px 0;
    background: rgba(4, 6, 8, 0.95) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(201, 160, 80, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 800;
    font-size: 1.75rem;
    color: #ffffff !important;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    margin: 0;
}

.navbar-logo {
    height: 52px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    transition: var(--transition);
}

.navbar.scrolled .navbar-logo {
    height: 42px;
}

.navbar-logo:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

.footer-logo {
    height: 60px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
    margin-bottom: 20px;
    display: block;
    transition: var(--transition);
}

.footer-logo:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

.navbar-brand span {
    color: var(--primary);
}

.navbar-brand .city-badge {
    font-family: 'Outfit', sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    background: rgba(201, 160, 80, 0.15);
    color: var(--primary-light);
    padding: 2px 8px;
    border-radius: 3px;
    border: 1px solid rgba(201, 160, 80, 0.3);
    margin-left: 6px;
    vertical-align: middle;
}

.nav-link {
    color: rgba(240, 244, 248, 0.8) !important;
    text-transform: uppercase;
    font-size: 0.82rem;
    letter-spacing: 1.8px;
    font-weight: 600;
    margin: 0 14px;
    padding: 8px 0 !important;
    position: relative;
    transition: var(--transition);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-light) !important;
}

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

.navbar-toggler {
    border: 1px solid rgba(201, 160, 80, 0.3) !important;
    padding: 8px 12px;
    border-radius: 4px;
}

/* --- Page Header Banner --- */
.page-header {
    padding: 170px 0 90px;
    background: linear-gradient(180deg, rgba(4, 6, 8, 0.85) 0%, rgba(9, 13, 18, 0.95) 100%), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2070') center/cover no-repeat;
    text-align: center;
    position: relative;
    border-bottom: 1px solid rgba(201, 160, 80, 0.15);
}

.page-header .breadcrumb {
    justify-content: center;
    margin-top: 15px;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.page-header .breadcrumb-item a {
    color: var(--text-muted);
}

.page-header .breadcrumb-item a:hover {
    color: var(--primary);
}

.page-header .breadcrumb-item.active {
    color: var(--primary);
}

/* --- Hero Slider --- */
#mainHero {
    height: 100vh;
    min-height: 650px;
    width: 100%;
    background: var(--darker);
    position: relative;
}

.carousel-item {
    height: 100vh;
    min-height: 650px;
    position: relative;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35) contrast(1.15);
}

.carousel-caption {
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    text-align: left;
    left: 8%;
    right: 8%;
    z-index: 10;
    max-width: 850px;
}

.carousel-caption h1 {
    font-size: clamp(2.5rem, 6vw, 4.8rem);
    line-height: 1.15;
    margin-bottom: 25px;
}

.carousel-control-prev,
.carousel-control-next {
    width: 60px;
    height: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(18, 25, 34, 0.6);
    border: 1px solid rgba(201, 160, 80, 0.3);
    border-radius: 50%;
    margin: 0 25px;
    transition: var(--transition);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: var(--primary);
    color: var(--darker);
    border-color: var(--primary);
}

/* --- About Section Image Card --- */
.about-image-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(201, 160, 80, 0.25);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
    background: var(--secondary);
    min-height: 460px;
    display: flex;
    align-items: center;
}

.about-main-img {
    width: 100%;
    height: 100%;
    min-height: 460px;
    max-height: 540px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.about-image-card:hover .about-main-img {
    transform: scale(1.04);
}

.about-info-overlay {
    position: absolute;
    bottom: 25px;
    left: 25px;
    right: 25px;
    background: rgba(4, 6, 8, 0.92);
    border-left: 4px solid var(--primary);
    border-radius: 4px;
    padding: 18px 22px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}

.about-image-card:hover .about-info-overlay {
    background: rgba(4, 6, 8, 0.96);
    border-left-color: var(--primary-light);
}

/* --- Feature & Service Cards --- */
.service-card {
    background: var(--card-bg);
    padding: 45px 35px;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gold-gradient);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    background: var(--secondary);
    border-color: var(--card-border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
}

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

.service-icon-box {
    width: 70px;
    height: 70px;
    background: rgba(201, 160, 80, 0.1);
    border: 1px solid rgba(201, 160, 80, 0.25);
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon-box {
    background: var(--gold-gradient);
    color: var(--darker);
    transform: scale(1.05);
}

/* --- Project Cards & Portfolio --- */
.project-card {
    position: relative;
    height: 420px;
    overflow: hidden;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: block;
    background: var(--secondary);
    box-shadow: var(--shadow-card);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), filter 0.8s;
}

.project-card:hover img {
    transform: scale(1.08);
    filter: brightness(0.65);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(4, 6, 8, 0.1) 0%, rgba(4, 6, 8, 0.85) 60%, rgba(4, 6, 8, 0.98) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.project-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 3px;
    background: rgba(4, 6, 8, 0.85);
    color: var(--primary-light);
    border: 1px solid rgba(201, 160, 80, 0.4);
    backdrop-filter: blur(8px);
}

.project-badge.completed {
    border-color: rgba(72, 187, 120, 0.4);
    color: #68d391;
}

.project-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-right: 15px;
}

/* Portfolio Filters */
.filter-btn-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 45px;
}

.filter-btn {
    background: rgba(18, 25, 34, 0.6);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 10px 22px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gold-gradient);
    color: var(--darker);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(201, 160, 80, 0.25);
}

/* --- Stats Box --- */
.stat-box {
    background: var(--card-bg);
    padding: 30px 20px;
    border-radius: 6px;
    border: 1px solid var(--card-border);
    text-align: center;
    transition: var(--transition);
}

.stat-box:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.stat-box h3 {
    color: var(--primary);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.stat-box p {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

/* --- Spec Box (Detail Page) --- */
.spec-box {
    background: var(--secondary);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 35px;
}

.spec-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 15px 0;
}

.spec-item:last-child {
    border-bottom: none;
}

/* --- Contact & Forms --- */
.contact-card {
    background: var(--card-bg);
    padding: 45px 35px;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    box-shadow: var(--shadow-card);
}

.form-control,
.form-select {
    background: rgba(4, 6, 8, 0.6) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    color: #ffffff !important;
    border-radius: 4px !important;
    padding: 14px 18px !important;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    background: rgba(4, 6, 8, 0.85) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(201, 160, 80, 0.2) !important;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.contact-info-box {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(201, 160, 80, 0.1);
    border: 1px solid rgba(201, 160, 80, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* --- Timeline (Kurumsal) --- */
.timeline-list {
    position: relative;
    padding-left: 30px;
    border-left: 2px solid rgba(201, 160, 80, 0.25);
    margin: 40px 0;
}

.timeline-item {
    position: relative;
    margin-bottom: 35px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

/* --- Global Footer --- */
.footer-main {
    background: var(--darker);
    border-top: 1px solid rgba(201, 160, 80, 0.15);
    padding: 85px 0 30px;
    position: relative;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.92rem;
}

.footer-link i {
    font-size: 0.7rem;
    color: var(--primary);
}

.footer-link:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.social-circle {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(201, 160, 80, 0.25);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    text-decoration: none;
    margin-right: 10px;
    transition: var(--transition);
    background: rgba(18, 25, 34, 0.5);
}

.social-circle:hover {
    background: var(--gold-gradient);
    border-color: transparent;
    color: var(--darker);
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    color: #fff;
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.6);
}

/* --- Scroll Reveal Animations --- */
[data-reveal] {
    opacity: 0;
    transform: translateY(35px);
    transition: 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}

[data-reveal].active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Fixes */
@media (max-width: 991px) {
    .navbar {
        background: rgba(4, 6, 8, 0.98) !important;
        padding: 15px 0;
    }

    .nav-link {
        margin: 8px 0;
        text-align: center;
    }

    .carousel-caption {
        text-align: center;
        left: 5%;
        right: 5%;
    }

    .carousel-control-prev,
    .carousel-control-next {
        display: none;
    }
}