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

/* Tasarım Sistemi Değişkenleri */
:root {
    --bg-dark: #0f0c0a;
    --bg-card: #181411;
    --color-gold: #c5a880;
    --color-gold-hover: #e5cfae;
    --color-gold-dark: #6e5c46;
    --color-gold-glow: rgba(197, 168, 128, 0.15);
    --text-white: #f5f2eb;
    --text-muted: #a59d95;
    --text-dark: #3a322b;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-subtle: rgba(197, 168, 128, 0.15);
}

/* Temel Sıfırlamalar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

/* Başlıklar ve Butonlar */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.text-gold {
    color: var(--color-gold);
}

/* Buton Stilleri */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.2rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background-color: var(--color-gold-hover);
    box-shadow: 0 0 20px var(--color-gold-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
}

/* Navigasyon Barı */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background-color: rgba(15, 12, 10, 0.85);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.8rem 0;
}

header.scrolled .logo-text {
    font-size: 1.6rem;
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

header.scrolled .nav-container {
    padding: 0.8rem 2rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-white);
    transition: var(--transition);
}

.logo-text span {
    color: var(--color-gold);
}

.nav-menu {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: var(--transition);
}

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

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

.nav-link.active {
    color: var(--color-gold);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background-color: var(--text-white);
    transition: var(--transition);
}

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

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35) contrast(1.05);
    transform: scale(1.03);
    transition: transform 8s ease-out;
}

.hero:hover .hero-bg img {
    transform: scale(1.0);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, var(--bg-dark) 0%, rgba(15, 12, 10, 0.4) 60%, rgba(15, 12, 10, 0.7) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 1000px;
    padding: 0 2rem;
    text-align: center;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    display: block;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.2s;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.4s;
}

.hero-title span {
    font-family: var(--font-heading);
    font-weight: 700;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 3rem auto;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.6s;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.8s;
}

/* Bölüm Temelleri (Sections) */
section {
    padding: 8rem 0;
    position: relative;
    z-index: 10;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    max-width: 700px;
    margin-bottom: 5rem;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 500;
    line-height: 1.2;
}

/* Hizmetler (Services) */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 3.5rem 2.5rem;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 70%, rgba(197, 168, 128, 0.05) 100%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-gold);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 15px var(--color-gold-glow);
}

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

.service-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: rgba(197, 168, 128, 0.1);
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    transition: var(--transition);
}

.service-card:hover .service-num {
    color: rgba(197, 168, 128, 0.2);
    transform: translateY(-5px);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    color: var(--color-gold);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--color-gold);
    color: var(--bg-dark);
    border-color: var(--color-gold);
}

.service-title {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    font-weight: 500;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Portfolyo (Portfolio) */
.portfolio-filters {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    padding: 0.5rem 1.2rem;
    transition: var(--transition);
    border-radius: 2px;
    border: 1px solid transparent;
}

.filter-btn:hover {
    color: var(--color-gold);
}

.filter-btn.active {
    color: var(--bg-dark);
    background-color: var(--color-gold);
    border-color: var(--color-gold);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    aspect-ratio: 1 / 1;
    cursor: pointer;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.06);
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem 2rem;
    background: linear-gradient(0deg, rgba(15, 12, 10, 0.95) 0%, rgba(15, 12, 10, 0.6) 70%, transparent 100%);
    z-index: 5;
    transform: translateY(15px);
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-category {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
    display: block;
}

.portfolio-title {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

/* Felsefe / Ajans (Agency) */
.about {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 6rem;
    align-items: center;
}

.about-image {
    position: relative;
    border: 1px solid var(--border-subtle);
    padding: 1.5rem;
    border-radius: 4px;
}

.about-image img {
    border-radius: 2px;
    filter: grayscale(30%) brightness(0.8);
    transition: var(--transition);
}

.about-image:hover img {
    filter: grayscale(0%) brightness(1.0);
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -15px;
    right: -15px;
    width: 100px;
    height: 100px;
    border-bottom: 2px solid var(--color-gold);
    border-right: 2px solid var(--color-gold);
    z-index: -1;
    transition: var(--transition);
}

.about-image:hover::after {
    transform: translate(5px, 5px);
}

.about-content h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
}

.about-p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3.5rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 2.5rem;
}

.stat-item .stat-num {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

/* İletişim (Contact) */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 400px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.info-details h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: 0.4rem;
}

.info-details p, .info-details a {
    color: var(--text-white);
    font-size: 1.05rem;
}

.contact-form {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 4rem 3.5rem;
    border-radius: 4px;
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.form-control {
    background-color: rgba(15, 12, 10, 0.5);
    border: 1px solid var(--border-subtle);
    padding: 1rem 1.2rem;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    border-radius: 4px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 10px rgba(197, 168, 128, 0.1);
    background-color: rgba(15, 12, 10, 0.8);
}

textarea.form-control {
    resize: none;
}

.form-success {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-card);
    border-radius: 4px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 3rem;
    z-index: 10;
    opacity: 0;
    transition: var(--transition);
}

.form-success.show {
    display: flex;
    opacity: 1;
}

.success-icon {
    width: 70px;
    height: 70px;
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.success-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.success-message {
    color: var(--text-muted);
    max-width: 400px;
}

/* Footer (Alt Bilgi) */
footer {
    background-color: #0b0908;
    border-top: 1px solid var(--border-subtle);
    padding: 5rem 0 3rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand .logo-text {
    margin-bottom: 1.5rem;
    display: inline-block;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 350px;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.social-link:hover {
    color: var(--color-gold);
    border-color: var(--color-gold);
    background-color: var(--color-gold-glow);
    transform: translateY(-3px);
}

.footer-nav h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

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

.footer-signature {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-signature span {
    color: var(--color-gold);
    font-weight: 600;
}

/* Animasyon Sınıfları (Reveal on Scroll) */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Özel CSS Animasyonları */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Mobil / Tablet Duyarlılık Ayarları (Media Queries) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .about-image {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--bg-card);
        border-left: 1px solid var(--border-subtle);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .menu-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -7px);
    }

    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}