/* ============================================
   Gülce Araştırma Danışmanlık ve Medya
   Modern Corporate Website Styles
   ============================================ */

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

/* CSS Variables */
:root {
    --primary-dark: #0a0e17;
    --secondary-dark: #121a2d;
    --accent-gold: #d4a853;
    --accent-gold-light: #e8c677;
    --accent-gold-dark: #b8923f;
    --text-light: #ffffff;
    --text-muted: #a0aec0;
    --text-subtle: #718096;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-gold: rgba(212, 168, 83, 0.3);
    --gradient-dark: linear-gradient(135deg, #0a0e17 0%, #1a1f2e 100%);
    --gradient-gold: linear-gradient(135deg, #d4a853 0%, #e8c677 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--gradient-dark);
    color: var(--text-light);
    line-height: 1.7;
    min-height: 100vh;
    position: relative;
    /* Ensure z-index context works if needed, though fixed works relative to viewport */
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://gulcearastirma.com.tr/arka.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    /* Soluk görünüm için */
    z-index: 0;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-gold-light);
}

/* ============================================
   Header & Navigation
   ============================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 55px;
    width: auto;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 15px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.2);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-gold);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(212, 168, 83, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-logo {
    width: 200px;
    height: auto;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: float 6s ease-in-out infinite;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero h1 span {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--primary-dark);
    box-shadow: 0 10px 40px var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px var(--shadow-gold);
    color: var(--primary-dark);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-light);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 100px 0;
    background: var(--secondary-dark);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 span {
    color: var(--accent-gold);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-gold);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 0.95rem;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 100px 0;
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 span {
    color: var(--accent-gold);
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--accent-gold);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.2rem;
}

.feature span {
    font-weight: 500;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
    backdrop-filter: blur(10px);
    text-align: center;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   Contact Section (Homepage)
   ============================================ */
.contact-cta {
    padding: 100px 0;
    background: var(--secondary-dark);
    text-align: center;
}

.contact-cta h2 span {
    color: var(--accent-gold);
}

.contact-cta p {
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* ============================================
   Contact Page Styles
   ============================================ */
.contact-page {
    padding: 150px 0 100px;
    min-height: 100vh;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info h2 span {
    color: var(--accent-gold);
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--accent-gold);
    transform: translateX(10px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-dark);
    flex-shrink: 0;
}

.contact-text h4 {
    margin-bottom: 0.3rem;
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.contact-text p {
    margin: 0;
    color: var(--text-light);
    font-weight: 600;
}

.contact-text a {
    color: var(--text-light);
}

.contact-text a:hover {
    color: var(--accent-gold);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 3rem;
    backdrop-filter: blur(10px);
}

.contact-form-wrapper h3 {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 20px var(--shadow-gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-subtle);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Map */
.map-wrapper {
    margin-top: 3rem;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.map-wrapper iframe {
    display: block;
}

/* ============================================
   Footer
   ============================================ */
footer {
    background: var(--primary-dark);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.95rem;
    max-width: 350px;
}

.footer-section h4 {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--accent-gold);
    padding-left: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    color: var(--text-subtle);
    font-size: 0.9rem;
    margin: 0;
}

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

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

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease forwards;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 23, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-logo {
        width: 120px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 15px 60px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .service-card {
        padding: 2rem;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }
}