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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation — mimarlık / dekorasyon odaklı profesyonel menü */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: #fafaf9;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 1000;
    padding: 0;
    transition: box-shadow 0.25s ease, background 0.25s ease;
}

.navbar::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1160px;
    height: 1px;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.08), transparent);
    pointer-events: none;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80px;
}

.nav-logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 52px;
    width: auto;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.logo-img:hover {
    opacity: 0.88;
    transform: scale(1.02);
}

.nav-logo h2 {
    color: #1a1a1a;
    font-weight: 600;
    font-size: 1.8rem;
    letter-spacing: 2px;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    font-family: 'Cormorant Garamond', 'Georgia', serif;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: #2c2c2c;
    padding: 0.75rem 1rem;
    display: block;
    position: relative;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.5rem;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
}

.nav-link:hover {
    color: #1a1a1a;
}

.nav-link.active {
    color: #1a1a1a;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    padding: 4px;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.hamburger:hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}

.bar {
    width: 18px;
    height: 1.5px;
    background-color: #2c2c2c;
    margin: 0 auto;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.cta-button.primary {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
}

.cta-button.secondary {
    background: transparent;
    color: #ff6b35;
    border: 2px solid #ff6b35;
}

.cta-button.secondary:hover {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    transform: translateY(-3px);
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ff6b35;
}

.footer-logo p {
    color: #bdc3c7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ff6b35;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: #34495e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #ff6b35;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Başa dön butonu - sol alt sabit, aşağı kaydırınca görünür */
.back-to-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    color: #fff;
    background: linear-gradient(135deg, #e85a2a, #e08818);
    box-shadow: 0 6px 24px rgba(255, 107, 53, 0.5);
}

.back-to-top i {
    font-size: 1rem;
}

.back-to-top-text {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

@media (max-width: 480px) {
    .back-to-top {
        bottom: 20px;
        left: 20px;
        padding: 10px 14px;
    }
    .back-to-top-text {
        font-size: 0.85rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-logo h2 {
        font-size: 1.5rem;
    }

    .logo-img {
        height: 46px;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: #fafaf9;
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        padding: 0.5rem 0 1.25rem;
        z-index: 1000;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-link {
        font-size: 1rem;
        letter-spacing: 0.1em;
        padding: 0.85rem 1rem;
        display: block;
    }

    .nav-link::after {
        display: none;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .container {
        padding: 0 1rem;
    }

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

    .footer-social {
        justify-content: center;
    }
}

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

    .nav-logo h2 {
        font-size: 1.3rem;
    }

    .logo-img {
        height: 38px;
    }

    .nav-menu {
        top: 80px;
        padding: 0.4rem 0 1rem;
    }

    .nav-link {
        font-size: 0.95rem;
        padding: 0.75rem 1rem;
    }

    .container {
        padding: 0 15px;
    }

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

    .section-header p {
        font-size: 0.9rem;
    }
}