/* ==========================================================================
   BAŞMEK MÜHENDİSLİK - PREMIUM CSS DESIGN SYSTEM
   ========================================================================== */

/* --- IMPORT FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Sora:wght@400;500;600;700;800&display=swap');

/* --- CUSTOM VARIABLES --- */
:root {
    /* Colors - Corporate Midnight & Gold/Bronze Palette */
    --color-primary: #112E51;        /* Deep Midnight Blue (More Vibrant) */
    --color-primary-light: #1C4475;  /* Lighter Midnight Blue */
    --color-primary-dark: #07172A;   /* Ultra Dark Midnight */
    
    --color-accent: #E5A93C;         /* Premium Bronze Gold (More Vibrant) */
    --color-accent-light: #F5B041;   /* Classic Gold */
    --color-accent-dark: #C38B28;    /* Dark Bronze Gold */
    
    --color-text-dark: #1E293B;      /* Slate 800 */
    --color-text-muted: #64748B;     /* Slate 500 */
    --color-bg-light: #F8FAFC;       /* Off-White Slate 50 */
    --color-bg-white: #FFFFFF;
    --color-bg-dark: #0F172A;        /* Dark Theme Background */
    --color-border: #E2E8F0;         /* Slate 200 */
    
    /* Layout */
    --nav-height: 100px;
    --nav-height-mobile: 80px;
    --max-width: 1400px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 32px;
    
    /* Shadows & Transitions */
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    --shadow-premium: 0 20px 40px -15px rgba(11, 25, 46, 0.08);
    --shadow-gold: 0 20px 40px -15px rgba(229, 169, 60, 0.15);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- RESET & BASIC STYLES --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text-dark);
    background: var(--color-bg-light);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

button, input, textarea, select {
    font-family: inherit;
}

/* --- STRUCTURE --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* --- TOP BAR --- */
.top-bar {
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    padding: 10px 0;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.top-bar-content {
    display: flex;
    justify-content: flex-end;
    gap: 30px;
}

.top-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.top-bar-item:hover {
    color: var(--color-accent-light);
}

.top-bar-item i {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .top-bar {
        display: none; /* Hide topbar on mobile for cleaner look */
    }
}

/* --- HEADER & NAVIGATION --- */
header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(11, 25, 46, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
    transition: var(--transition-smooth);
}

header.scrolled {
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo img {
    height: 60px;
    width: auto;
    transition: var(--transition-smooth);
}

header.scrolled .logo img {
    height: 48px;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-primary);
    position: relative;
    padding: 8px 0;
}

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

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

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

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    box-shadow: var(--shadow-premium);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    z-index: -1;
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(11, 25, 46, 0.15);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: white;
    box-shadow: var(--shadow-gold);
}

.btn-accent::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    z-index: -1;
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(179, 143, 77, 0.3);
}

.btn-accent:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: var(--color-primary);
    border-color: white;
    transform: translateY(-3px);
}

/* --- MOBILE NAVIGATION --- */
.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.mobile-toggle:hover {
    background-color: rgba(11, 25, 46, 0.05);
}

.mobile-toggle span {
    display: block;
    height: 2px;
    width: 22px;
    background: var(--color-primary);
    border-radius: 2px;
    margin: 5px auto;
    transition: var(--transition-smooth);
}

/* Mobile Nav Drawer */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: rgba(7, 23, 42, 0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background: rgba(17, 46, 81, 0.96); /* Koyu Premium Mavi Arka Plan */
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 2000;
    transform: translateX(100%);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.25);
}

.mobile-nav-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-drawer.open {
    transform: translateX(0);
}

.drawer-header {
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(7, 23, 42, 0.2);
}

.drawer-header .logo img {
    height: 45px;
    filter: brightness(0) invert(1); /* Logo beyazlaştırma */
}

.drawer-close {
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.drawer-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.drawer-body {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.drawer-link {
    font-size: 1.05rem;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.85); /* Beyazımsı yazı rengi */
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.drawer-link i {
    width: 24px;
    text-align: center;
    color: var(--color-accent);
}

.drawer-link:hover,
.drawer-link.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-accent-light);
    transform: translateX(8px);
}

.drawer-footer {
    padding: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
    background: rgba(7, 23, 42, 0.2);
}

.drawer-footer-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.drawer-footer-item i {
    color: var(--color-accent);
    width: 20px;
    text-align: center;
}

.drawer-socials {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.drawer-social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition-smooth);
}

.drawer-social-link:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 1024px) {
    .desktop-nav {
        display: none;
    }
    .mobile-toggle {
        display: block;
    }
    header {
        height: var(--nav-height-mobile);
    }
}

/* --- SECTIONS GENERAL --- */
.section {
    padding: 100px 0;
    position: relative;
}

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

.section-light {
    background-color: var(--color-bg-light);
}

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

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Sora', sans-serif;
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.25;
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
    color: white;
}

/* Section Header Styles */
.section-header {
    max-width: 700px;
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: 15px;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 2px;
}

.section-header.center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-header.center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.section-dark .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

p {
    margin-bottom: 20px;
    color: var(--color-text-dark);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }
    .section-title {
        font-size: 2rem;
    }
}

/* --- HERO SLIDER --- */
.hero-slider {
    position: relative;
    width: 100%;
    height: calc(90vh - var(--nav-height));
    min-height: 550px;
    overflow: hidden;
    background-color: var(--color-primary-dark);
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    display: flex;
    align-items: center;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 25, 46, 0.9) 30%, rgba(11, 25, 46, 0.4) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: white;
    max-width: 850px;
    transform: translateY(30px);
    opacity: 0;
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s;
}

.hero-slide.active .hero-content {
    transform: translateY(0);
    opacity: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 25px;
    letter-spacing: -1px;
    color: white;
}

.hero-content p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
}

/* Slider Controls */
.hero-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
}

.hero-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.hero-indicator.active {
    background: var(--color-accent-light);
    width: 36px;
    border-radius: 6px;
}

@media (max-width: 768px) {
    .hero-slider {
        height: 70vh;
        min-height: 480px;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-content p {
        font-size: 1.05rem;
        margin-bottom: 30px;
    }
    .hero-cta {
        flex-direction: column;
        gap: 12px;
    }
    .btn {
        width: 100%;
    }
}

/* --- PAGE HERO (SUBPAGES) --- */
.page-hero {
    position: relative;
    padding: 120px 0 100px;
    background-color: var(--color-primary-dark);
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(11, 25, 46, 0.9), rgba(11, 25, 46, 0.7));
    z-index: 1;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.page-hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: white;
    margin-bottom: 15px;
}

.page-hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 80px 0;
    }
    .page-hero-content h1 {
        font-size: 2.2rem;
    }
    .page-hero-content p {
        font-size: 1rem;
    }
}

/* --- GRIDS & CARDS --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

@media (max-width: 992px) {
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Premium Card Design */
.card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    border: 1px solid rgba(11, 25, 46, 0.05);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium);
    border-color: rgba(179, 143, 77, 0.2);
}

.card:hover::before {
    transform: scaleX(1);
}

.icon-box {
    width: 64px;
    height: 64px;
    background: rgba(179, 143, 77, 0.06);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 25px;
    transition: var(--transition-smooth);
}

.card:hover .icon-box {
    background: var(--color-accent);
    color: white;
    transform: scale(1.05) rotate(3deg);
}

.card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.card-text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- LISTS --- */
.custom-list {
    list-style: none;
    margin-top: 20px;
}

.custom-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    color: var(--color-text-dark);
    font-weight: 500;
}

.custom-list li::before {
    content: '\f054';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--color-accent);
    font-size: 0.8rem;
}

/* --- SPECIAL SECTION (SPLIT PANEL) --- */
.split-panel {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.split-panel-content {
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.split-panel-image {
    background-size: cover;
    background-position: center;
    min-height: 450px;
}

@media (max-width: 992px) {
    .split-panel {
        grid-template-columns: 1fr;
    }
    .split-panel-content {
        padding: 40px;
    }
    .split-panel-image {
        min-height: 300px;
    }
}

/* --- SERVICE PAGE SPECIFIC --- */
.service-block {
    margin-bottom: 60px;
}

.service-block .card {
    padding: 50px 40px;
}

.service-block h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

@media (max-width: 768px) {
    .service-block .card {
        padding: 30px 20px;
    }
    .service-block h3 {
        font-size: 1.4rem;
    }
}

/* --- REFERANSLAR (PORTFOLIO GRID) --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    border: 1px solid rgba(11, 25, 46, 0.05);
    height: 100%;
}

.portfolio-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 25, 46, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 2;
    text-align: center;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.08);
}

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

.portfolio-info {
    padding: 24px;
}

.portfolio-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.portfolio-overlay .portfolio-title {
    color: white;
}

.portfolio-location {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.portfolio-overlay .portfolio-location {
    color: var(--color-accent-light);
}

/* Reference badge card */
.badge-card {
    background: white;
    border-radius: var(--radius-sm);
    padding: 24px;
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--color-accent);
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.badge-card i {
    color: var(--color-accent);
    font-size: 1.2rem;
}

.badge-card:hover {
    box-shadow: var(--shadow-premium);
    transform: translateY(-2px);
}

/* --- CONTACT SECTION & FORMS --- */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 50px;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

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

.contact-info-item {
    display: flex;
    gap: 20px;
}

.contact-info-icon {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    border: 2px solid var(--color-accent);
}

.contact-info-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.contact-info-text p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.corporate-info-block {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.corporate-info-title {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: 15px;
}

.corporate-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

@media (max-width: 480px) {
    .corporate-info-grid {
        grid-template-columns: 1fr;
    }
}

/* Form Styles */
.form-wrapper {
    background: white;
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    border: 1px solid rgba(11, 25, 46, 0.05);
}

.form-wrapper h3 {
    font-size: 1.6rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-light);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--color-text-dark);
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    background-color: white;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(179, 143, 77, 0.1);
}

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

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* --- FOOTER --- */
footer {
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 30px;
    font-size: 0.95rem;
    border-top: 4px solid var(--color-accent);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
}

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

.footer-logo img {
    height: 55px;
    filter: brightness(0) invert(1); /* Logo beyazlaştırma */
}

.footer-title {
    color: white;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.85rem;
}

.dev-badge {
    color: var(--color-accent);
    font-weight: 600;
}

.dev-badge:hover {
    color: var(--color-accent-light);
}

/* --- ANIMATIONS --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- SCROLL ANIMATIONS USING DELAYS --- */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }