/* ============================================
   YEDITEPE HOLDING – Premium Corporate Design
   ============================================ */

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

/* ---- CSS Variables ---- */
:root {
    --primary-dark: #0a1628;
    --primary: #1a2d4d;
    --primary-light: #2a3f5f;
    --primary-lighter: #3a5070;
    --accent: #c9a84c;
    --accent-light: #e8d5a3;
    --accent-dark: #a88a3a;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --gray-100: #f0f2f5;
    --gray-200: #e2e6ea;
    --gray-300: #ced4da;
    --gray-500: #8d96a0;
    --gray-700: #495057;
    --text-dark: #1a1a2e;
    --text-body: #4a4a5a;
    --text-muted: #7a7a8a;
    --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.12);
    --shadow-lg: 0 8px 40px rgba(10, 22, 40, 0.16);
    --shadow-xl: 0 16px 60px rgba(10, 22, 40, 0.2);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 0.25s ease;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --max-width: 1280px;
    --header-height: 110px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--text-body);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    line-height: 1.25;
    font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { margin-bottom: 1rem; }

.section-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
    display: block;
}

.section-title {
    margin-bottom: 20px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 700px;
    line-height: 1.8;
}

/* ---- Header / Navigation ---- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
    padding: 0;
    background: #ffffff !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header.transparent {
    background: #ffffff !important;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 1001;
}

.logo img {
    height: 85px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-text .brand-name {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.logo-text .brand-sub {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a {
    color: var(--primary-dark);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
    background: rgba(201, 168, 76, 0.08);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-fast);
    border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 30px;
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.nav-dropdown .dropdown-toggle svg {
    width: 12px;
    height: 12px;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-toggle svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    padding: 10px 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 10px 24px;
    font-size: 0.85rem;
    color: var(--text-body);
    font-weight: 500;
    border-radius: 0;
}

.dropdown-menu a:hover {
    background: rgba(201, 168, 76, 0.15);
    color: var(--accent);
}

.dropdown-menu a::after {
    display: none;
}

/* Mobile Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--primary-dark);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(5.5px) translateX(5.5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-5.5px) translateX(5.5px);
}

/* ---- Hero Section ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--primary-dark);
}

/* Swiper Styles */
.heroSwiper {
    width: 100%;
    height: 100vh;
}

.swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    opacity: 0 !important;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
}

.swiper-slide-active {
    opacity: 1 !important;
    visibility: visible;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    transition: transform 6s ease;
}

.swiper-slide-active .hero-bg {
    transform: scale(1.05);
}

.hero-bg img,
.hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8, 20, 37, 0.85) 0%, rgba(13, 31, 56, 0.7) 100%);
    z-index: 1;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(201, 168, 76, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.5;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    padding: 0 40px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(201, 168, 76, 0.15);
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 50px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 30px;
    animation: fadeInDown 1s ease 0.2s both;
}

.hero h1 {
    color: var(--white);
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    max-width: 650px;
    margin: 0 auto 40px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 1.2s both;
}

.hero-scroll .scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollLine 2s ease infinite;
}

/* Swiper Controls Overlay */
.swiper-button-next,
.swiper-button-prev {
    color: var(--white);
    opacity: 0.5;
    transition: all var(--transition);
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    color: var(--accent);
    opacity: 1;
    transform: scale(1.1);
}

.swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: var(--white);
    opacity: 0.5;
    transition: all var(--transition-fast);
}

.swiper-pagination-bullet-active {
    width: 30px;
    border-radius: 5px;
    background: var(--accent);
    opacity: 1;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 34px;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

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

.btn-dark:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(4px);
}

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

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--white);
}

.section-dark .section-desc {
    color: rgba(255, 255, 255, 0.6);
}

.section-gray {
    background: var(--gray-100);
}

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

.section-header .section-desc {
    margin: 0 auto;
}

/* ---- About Preview ---- */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
    z-index: -1;
}

.about-image-wrapper img {
    border-radius: var(--radius-md);
    width: 100%;
    height: 500px;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

.about-content .section-label {
    margin-bottom: 16px;
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.sector-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 400px;
    cursor: pointer;
}

.sector-card-bg {
    position: absolute;
    inset: -20px;
    background-size: cover;
    background-position: center;
    transition: transform 1.2s cubic-bezier(0.2, 0, 0.2, 1), filter 0.8s ease;
    animation: kenBurns 20s linear infinite alternate;
}

.sector-card:nth-child(2n) .sector-card-bg {
    animation-name: kenBurnsReverse;
}

.sector-card:nth-child(3n) .sector-card-bg {
    animation-duration: 25s;
}

.sector-card:hover .sector-card-bg {
    transform: scale(1.15);
    filter: brightness(1.1);
}

@keyframes kenBurns {
    0% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.1) translate(-2%, -2%); }
    100% { transform: scale(1.05) translate(2%, 1%); }
}

@keyframes kenBurnsReverse {
    0% { transform: scale(1.05) translate(2%, 1%); }
    50% { transform: scale(1.15) translate(-1%, 2%); }
    100% { transform: scale(1) translate(0, 0); }
}

.sector-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.95) 0%, rgba(10, 22, 40, 0.4) 50%, rgba(10, 22, 40, 0.2) 100%);
    transition: background var(--transition);
}

.sector-card:hover .sector-card-overlay {
    background: linear-gradient(to top, rgba(10, 22, 40, 0.98) 0%, rgba(10, 22, 40, 0.7) 50%, rgba(10, 22, 40, 0.5) 100%);
}

.sector-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px;
    z-index: 2;
    transform: translateY(60px);
    transition: transform var(--transition);
}

.sector-card:hover .sector-card-content {
    transform: translateY(0);
}

.sector-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(201, 168, 76, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border: 1px solid rgba(201, 168, 76, 0.2);
}

.sector-icon svg {
    width: 26px;
    height: 26px;
    color: var(--accent);
}

.sector-card h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.sector-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0;
    transition: opacity var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sector-card:hover p {
    opacity: 1;
}

/* Sector card arrow removed at user request */
.sector-card-arrow {
    display: none;
}

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

.value-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.value-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(201, 168, 76, 0.2);
    transform: translateY(-4px);
}

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

.value-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: rgba(201, 168, 76, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.value-icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.value-card h4 {
    color: var(--white);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.value-card p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ---- Chairman Section ---- */
.chairman-section {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 80px;
    align-items: start;
}

.chairman-photo-wrapper {
    position: relative;
}

.chairman-photo-wrapper::after {
    content: '';
    position: absolute;
    bottom: -15px;
    right: -15px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
    z-index: -1;
}

.chairman-photo {
    border-radius: var(--radius-md);
    width: 100%;
    height: auto;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}

.chairman-info h3 {
    margin-bottom: 4px;
    font-size: 2rem;
}

.chairman-title {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 24px;
    display: block;
}

.chairman-bio p {
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 14px;
    font-size: 0.98rem;
}

/* ---- Sustainability Banner ---- */
.sustainability-banner {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.sustainability-banner .container {
    position: relative;
    z-index: 2;
}

.sustainability-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.sustainability-stat {
    text-align: center;
    padding: 30px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.sustainability-stat .stat-number {
    font-size: 2.8rem;
    margin-bottom: 8px;
}

.sustainability-stat .stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

/* ---- Page Hero (inner pages) ---- */
.page-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-dark);
    overflow: hidden;
    padding-top: var(--header-height);
}

.page-hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(201, 168, 76, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(201, 168, 76, 0.04) 0%, transparent 40%);
    z-index: 1;
}

.page-hero-bg {
    position: absolute;
    inset: -20px;
    background-size: cover;
    background-position: center;
    animation: kenBurns 20s linear infinite alternate;
    opacity: 0.4;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10, 22, 40, 0.9) 0%, rgba(10, 22, 40, 0.7) 100%);
    z-index: 0;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 40px;
}

.page-hero h1 {
    color: var(--white);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    margin-bottom: 16px;
}

.page-hero .breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.page-hero .breadcrumb a {
    color: var(--accent);
}

.page-hero .breadcrumb a:hover {
    color: var(--accent-light);
}

.page-hero .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.3);
}

/* ---- Content Sections ---- */
.content-block {
    padding: 80px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

.content-text h2 {
    margin-bottom: 20px;
}

.content-text h3 {
    margin-bottom: 16px;
    color: var(--primary);
}

.content-text p {
    color: var(--text-muted);
    line-height: 1.85;
    font-size: 0.98rem;
}

/* ---- Sector Detail ---- */
.sector-detail {
    padding: 80px 0;
    border-bottom: 1px solid var(--gray-200);
}

.sector-detail:last-child {
    border-bottom: none;
}

.sector-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.sector-detail-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sector-detail-icon svg {
    width: 30px;
    height: 30px;
    color: var(--accent);
}

.sector-detail-header h2 {
    font-size: 1.8rem;
}

.sector-detail-header .sector-tagline {
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--accent);
    font-size: 1.05rem;
    margin-top: 4px;
}

.sector-detail p {
    color: var(--text-muted);
    line-height: 1.85;
    font-size: 0.98rem;
    max-width: 900px;
}

/* ---- Ethics Section ---- */
.ethics-content {
    max-width: 900px;
    margin: 0 auto;
}

.ethics-content p {
    color: var(--text-muted);
    line-height: 1.9;
    font-size: 1rem;
    margin-bottom: 16px;
}

/* ---- Sustainability Page ---- */
.sustainability-approach {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.priority-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.priority-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.priority-card h4 {
    margin-bottom: 12px;
    color: var(--primary);
}

.priority-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.75;
}

.priority-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(201, 168, 76, 0.1), rgba(201, 168, 76, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.priority-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

/* ---- Footer ---- */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.6);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    max-width: 350px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text .brand-name {
    color: var(--white) !important;
}

.footer-brand .logo-text .brand-sub {
    color: var(--accent) !important;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.45);
}

.footer-col h4 {
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

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

.footer-col ul a {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.88rem;
    transition: all var(--transition-fast);
}

.footer-col ul a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact-item span {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.8rem;
}

.footer-bottom-links a:hover {
    color: var(--accent);
}

/* ---- Animations ---- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollLine {
    0% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.5); transform-origin: top; }
    100% { opacity: 1; transform: scaleY(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Scroll-triggered animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ---- Decorative Elements ---- */
.gold-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
    margin-bottom: 20px;
}

.gold-line-center {
    margin-left: auto;
    margin-right: auto;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.floating-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.03;
    animation: float 6s ease-in-out infinite;
}

.floating-shapes .shape-1 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.floating-shapes .shape-2 {
    width: 200px;
    height: 200px;
    background: var(--white);
    bottom: 15%;
    right: -3%;
    animation-delay: 2s;
}

/* ---- Mobile Menu ---- */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.6rem;
    padding: 12px 20px;
    transition: color var(--transition-fast);
}

.mobile-menu a:hover {
    color: var(--accent);
}

/* ---- Award Section ---- */
.award-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.award-image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.award-image img {
    width: 100%;
    height: auto;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .container { padding: 0 24px; }
    .about-preview { grid-template-columns: 1fr; gap: 40px; }
    .chairman-section { grid-template-columns: 300px 1fr; gap: 40px; }
    .sustainability-stats { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .content-grid { grid-template-columns: 1fr; gap: 40px; }
    .sustainability-approach { grid-template-columns: 1fr; gap: 40px; }
    .award-section { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    :root { --header-height: 70px; }
    .section { padding: 60px 0; }
    
    /* Logo mobile fix - kayma/overflow sorunu çözümü */
    .header {
        overflow: visible;
    }
    .header .container {
        height: var(--header-height);
        overflow: hidden;
    }
    .logo { 
        gap: 8px;
        flex-shrink: 0;
        max-width: 60%;
    }
    .logo img { 
        height: 45px; 
        max-height: 45px; 
        min-height: 35px;
        transition: height 0.3s ease;
    }
    .header.scrolled .logo img { 
        height: 38px; 
        max-height: 38px;
    }
    .logo-text .brand-name { font-size: 1.2rem; letter-spacing: 1px; }
    .logo-text .brand-sub { font-size: 0.55rem; letter-spacing: 2px; }
    
    .nav-links { display: none; }
    .hamburger { display: flex; }
    
    .hero-content { padding: 0 20px; }
    .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 300px; justify-content: center; }
    
    .about-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .stat-number { font-size: 1.6rem; }
    
    .sectors-grid { grid-template-columns: 1fr; }
    .sector-card { height: 320px; }
    .sector-card-content { transform: translateY(0); }
    .sector-card p { opacity: 1; }
    .sector-card-arrow { opacity: 1; transform: translateX(0); }
    
    .values-grid { grid-template-columns: 1fr; }
    
    .chairman-section { grid-template-columns: 1fr; text-align: center; }
    .chairman-photo-wrapper { max-width: 350px; margin: 0 auto; }
    
    .sustainability-stats { grid-template-columns: 1fr 1fr; }
    .sustainability-priorities { grid-template-columns: 1fr; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .about-stats { grid-template-columns: 1fr; }
    .sustainability-stats { grid-template-columns: 1fr; }
}

/* ---- Projects ---- */
.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 50px;
}
.filter-btn {
    background: transparent;
    border: 1px solid var(--gray-300);
    padding: 10px 24px;
    border-radius: 50px;
    color: var(--text-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.filter-btn.active {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(10, 22, 40, 0.15);
}
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}
.project-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
    display: block;
}
.project-card.hidden { display: none !important; }
.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.project-img-wrapper {
    overflow: hidden;
    position: relative;
}
.project-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition);
}
.project-card:hover .project-img { transform: scale(1.05); }
.project-category {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(10, 22, 40, 0.85);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(5px);
    z-index: 2;
}
.project-content { padding: 24px; }
.project-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}
.project-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.project-link {
    display: none;
}
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-style: italic;
    grid-column: 1 / -1;
}

/* ---- Sector Detail with Animated Background ---- */
.sector-detail-with-bg {
    position: relative;
    overflow: hidden;
}

.sector-detail-bg {
    position: absolute;
    inset: -20px;
    background-size: cover;
    background-position: center;
    animation: kenBurns 25s linear infinite alternate;
    opacity: 0.18;
    z-index: 0;
}

.sector-detail-with-bg:nth-child(even) .sector-detail-bg {
    animation-name: kenBurnsReverse;
}

.sector-detail-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(26, 45, 77, 0.65) 50%, rgba(10, 22, 40, 0.85) 100%);
    z-index: 0;
}

.sector-detail-with-bg .container {
    position: relative;
    z-index: 1;
}

.sector-detail-with-bg h2,
.sector-detail-with-bg h3,
.sector-detail-with-bg h4 {
    color: var(--white);
}

.sector-detail-with-bg p {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.sector-detail-with-bg .sector-tagline {
    color: var(--accent-light);
}

.sector-detail-with-bg .sector-detail-icon {
    background: linear-gradient(135deg, rgba(201, 168, 76, 0.2), rgba(201, 168, 76, 0.1));
    border: 1px solid rgba(201, 168, 76, 0.3);
}

.sector-detail-with-bg ul li {
    color: rgba(255, 255, 255, 0.65);
}

.sector-detail-with-bg {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .news-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .news-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 3px solid var(--accent);
        }

        .news-image-placeholder {
            width: 100%;
            height: 200px;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.2rem;
            border-bottom: 3px solid var(--accent);
        }

        .news-content {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .news-date {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            font-weight: 500;
        }

        .news-title {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .news-text {
            color: var(--text-body);
            font-size: 0.95rem;
            margin-bottom: 20px;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-read-more {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition-fast);
        }

        .news-read-more:hover {
            color: var(--primary-dark);
        }

        /* News Modal */
        .news-detail-modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(10, 22, 40, 0.8);
            backdrop-filter: blur(5px);
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .news-detail-modal.show {
            display: flex;
            opacity: 1;
        }

        .news-detail-content {
            background-color: var(--white);
            margin: auto;
            border-radius: var(--radius-md);
            width: 100%;
            max-width: 800px;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            transform: translateY(20px);
            transition: transform 0.3s ease;
            box-shadow: var(--shadow-xl);
        }

        .news-detail-modal.show .news-detail-content {
            transform: translateY(0);
        }

        .close-news-modal {
            position: absolute;
            top: 20px;
            right: 20px;
            color: var(--white);
            background: rgba(0,0,0,0.5);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            cursor: pointer;
            z-index: 10;
            border: none;
            transition: var(--transition-fast);
        }

        .close-news-modal:hover {
            background: var(--accent);
        }

        .news-detail-image-wrapper {
            width: 100%;
            max-height: 400px;
            overflow: hidden;
            position: relative;
        }

        .news-detail-image {
            width: 100%;
            height: auto;
            object-fit: contain;
            background: #000;
        }

        .news-detail-body {
            padding: 40px;
        }

        .news-detail-date {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .news-detail-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 25px;
            line-height: 1.3;
        }

        .news-detail-text {
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1.05rem;
            white-space: pre-wrap;
        }

        .news-detail-video {
            margin-top: 30px;
            width: 100%;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        @media (max-width: 768px) {
            .news-detail-body {
                padding: 25px;
            }
            .news-detail-title {
                font-size: 1.5rem;
            }
        }