/* =====================================================
   Akgüller İnşaat Hafriyat - Kurumsal Site
   Renk Paleti: Koyu Lacivert / Çelik Mavi
   ===================================================== */

:root {
    --primary-dark: #0d1b2a;
    --primary-navy: #1e3a5a;
    --accent-orange: #4a7fa3;
    --accent-yellow: #7eb0cc;
    --accent-red: #2d5878;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f1f5f9;
    --white: #ffffff;
    --metal-gray: #475569;
    --silver: #8ab2c9;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-orange), var(--primary-navy));
    border-radius: 5px;
    border: 2px solid var(--bg-light);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-yellow), var(--accent-orange));
}

/* =============== HEADER & NAVIGATION =============== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.3);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
}

.navbar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--primary-dark);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo span {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.logo::before {
    content: '⚙';
    font-size: 1.5rem;
    margin-right: 0.3rem;
    animation: rotate 4s linear infinite;
    display: inline-block;
    color: var(--accent-orange);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: width 0.3s ease;
}

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

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

.nav-menu a.active {
    color: var(--accent-orange);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* =============== HERO SECTION / SLIDER =============== */
.hero-slider {
    position: relative;
    overflow: hidden;
    height: 600px;
}

.slider-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
}

.slider-item.active {
    opacity: 1;
    z-index: 1;
}

.slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 31, 54, 0.85) 0%, rgba(45, 53, 97, 0.85) 100%);
    z-index: 2;
}

.slider-content {
    position: relative;
    z-index: 3;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--white);
}

.slider-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    max-width: 800px;
    animation: slideInUp 0.8s ease-out;
}

.slider-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    line-height: 1.7;
    animation: slideInUp 1s ease-out;
}

.slider-content .btn {
    animation: slideInUp 1.2s ease-out;
}

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

.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--accent-orange);
    width: 30px;
    border-radius: 6px;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.slider-arrow:hover {
    background: var(--accent-orange);
}

.slider-arrow-prev {
    left: 20px;
}

.slider-arrow-next {
    right: 20px;
}

/* =============== HERO SECTION (FALLBACK) =============== */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    color: var(--white);
    padding: 8rem 2rem;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 31, 54, 0.6);
    z-index: 1;
}

.hero.has-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 31, 54, 0.92) 0%, rgba(45, 53, 97, 0.92) 100%);
    z-index: 1;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero h1 span {
    color: var(--accent-orange);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    line-height: 1.7;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--primary-navy) 100%);
    color: var(--white);
    box-shadow: 
        0 4px 15px rgba(59, 130, 246, 0.4),
        0 0 30px rgba(59, 130, 246, 0.2);
    position: relative;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    border-radius: 14px;
    z-index: -1;
    opacity: 0;
    filter: blur(8px);
    transition: opacity 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 8px 25px rgba(59, 130, 246, 0.6),
        0 0 50px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover::after {
    opacity: 0.6;
    animation: neonPulse 1.5s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.95);
    color: var(--primary-dark);
    border-color: var(--white);
    transform: translateY(-3px);
}

/* =============== SECTIONS =============== */
.section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Reveal Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.reveal:nth-child(1) { transition-delay: 0.1s; }
.reveal:nth-child(2) { transition-delay: 0.2s; }
.reveal:nth-child(3) { transition-delay: 0.3s; }
.reveal:nth-child(4) { transition-delay: 0.4s; }
.reveal:nth-child(5) { transition-delay: 0.5s; }
.reveal:nth-child(6) { transition-delay: 0.6s; }

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

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
    border-radius: 3px;
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange));
    border-radius: 3px;
    opacity: 0.5;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 1.5rem auto 0;
}

/* =============== WAVE DIVIDER =============== */
.wave-divider {
    line-height: 0;
    overflow: hidden;
    margin-top: -1px;
}

.wave-divider svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* =============== FLOATING SHAPES =============== */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    opacity: 0.1;
    animation: floatShape 8s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: var(--accent-orange);
    border-radius: 50%;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--accent-yellow);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes floatShape {
    0%, 100% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }
    50% {
        transform: translateY(-30px) rotate(10deg) scale(1.1);
    }
}

/* =============== SERVICES GRID =============== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.service-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(31, 38, 135, 0.15),
        0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255,255,255,0.6);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow), var(--primary-navy));
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02) rotateX(5deg);
    box-shadow: 
        0 20px 60px rgba(31, 38, 135, 0.25),
        0 8px 20px rgba(0,0,0,0.12),
        0 0 40px rgba(59, 130, 246, 0.15);
    border-color: transparent;
}

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

.service-card:hover::after {
    opacity: 0.5;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-red));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
    box-shadow: 
        0 10px 30px rgba(59, 130, 246, 0.3),
        0 4px 10px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 19px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 15px 40px rgba(59, 130, 246, 0.4),
        0 6px 15px rgba(0,0,0,0.15);
}

.service-card:hover .service-icon::after {
    opacity: 0.4;
}

.service-icon img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-weight: 700;
    text-align: center;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
    text-align: center;
}

/* =============== ABOUT SECTION =============== */
.about-bg {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.about-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

.about-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(96,165,250,0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

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

.about-text h2 {
    font-size: 2.4rem;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
    border-radius: 2px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-features {
    list-style: none;
    margin-top: 2rem;
    display: grid;
    gap: 0.8rem;
}

.about-features li {
    padding: 1rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-dark);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.about-features li:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.about-features li::before {
    content: '✓';
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.about-image {
    position: relative;
    perspective: 1000px;
}

.about-image::before {
    content: '';
    position: absolute;
    inset: -15px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow), var(--primary-navy));
    border-radius: 24px;
    z-index: -1;
    opacity: 0.3;
    filter: blur(20px);
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { opacity: 0.2; transform: scale(0.95); }
    to { opacity: 0.4; transform: scale(1.05); }
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.15),
        0 8px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.about-image:hover img {
    transform: rotateY(-5deg) rotateX(5deg) scale(1.02);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.2),
        0 15px 30px rgba(0, 0, 0, 0.15);
}

/* =============== REFERENCES GRID =============== */
.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.reference-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 30px var(--shadow);
    transition: all 0.4s ease;
}

.reference-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px var(--shadow-hover);
}

.reference-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-navy), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.reference-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.reference-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-orange);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.reference-content {
    padding: 2rem;
}

.reference-content h3 {
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.reference-location {
    color: var(--text-light);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reference-content p {
    color: var(--text-light);
    line-height: 1.7;
}

/* =============== CONTACT SECTION =============== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 100%;
    overflow: hidden;
}

.contact-info {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-navy));
    padding: 3rem;
    border-radius: 12px;
    color: var(--white);
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.contact-item {
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-orange);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.contact-details p {
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-form {
    background: var(--white);
    max-width: 100%;
    overflow: hidden;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-orange);
}

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

.submit-btn {
    width: 100%;
    padding: 1.2rem;
    background: var(--accent-orange);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--accent-red);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

/* =============== FOOTER =============== */
.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    color: var(--white);
    padding: 4rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--white), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.footer-section p {
    opacity: 0.85;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
    border-color: transparent;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-orange);
    padding-left: 5px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    opacity: 0.7;
}

/* =============== LOADING SHIMMER =============== */
.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* =============== TEXT SHIMMER EFFECT =============== */
.text-shimmer {
    background: linear-gradient(
        90deg,
        var(--primary-dark) 0%,
        var(--accent-orange) 25%,
        var(--accent-yellow) 50%,
        var(--accent-orange) 75%,
        var(--primary-dark) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShimmer 3s linear infinite;
}

@keyframes textShimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

/* =============== FLOATING ANIMATION =============== */
.float {
    animation: floating 3s ease-in-out infinite;
}

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

/* =============== PULSE RING ANIMATION =============== */
.pulse-ring {
    position: relative;
}

.pulse-ring::before {
    content: '';
    position: absolute;
    inset: -10px;
    border: 2px solid var(--accent-orange);
    border-radius: inherit;
    opacity: 0;
    animation: pulseRing 2s ease-out infinite;
}

@keyframes pulseRing {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.2); opacity: 0; }
}

/* =============== RESPONSIVE =============== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow);
        padding: 2rem;
        z-index: 999;
    }

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

    .menu-toggle {
        display: flex;
    }

    .logo {
        font-size: 1.5rem;
    }

    .hero {
        padding: 4rem 1.5rem;
        height: auto;
        min-height: 400px;
    }

    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }

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

    .slider-content h1 {
        font-size: 2.2rem;
    }

    .slider-content p {
        font-size: 1rem;
    }

    .hero-slider {
        height: 450px;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-title::after {
        width: 60px;
        height: 4px;
    }

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

    /* Mobil: yatay kart — ikon sol, başlık+açıklama sağ */
    .service-card {
        display: grid;
        grid-template-columns: 58px 1fr;
        grid-template-rows: auto auto;
        column-gap: 1rem;
        row-gap: 0.3rem;
        align-items: start;
        padding: 1.2rem 1.2rem 1.2rem 1rem;
        text-align: left;
        transform: none !important;   /* hover 3d efektini mobilde kapat */
    }

    .service-icon {
        grid-row: 1 / 3;
        grid-column: 1;
        width: 54px;
        height: 54px;
        font-size: 1.4rem;
        align-self: center;
        flex-shrink: 0;
    }

    .service-card h3 {
        grid-row: 1;
        grid-column: 2;
        text-align: left;
        font-size: 1.05rem;
        margin-bottom: 0;
        align-self: end;
    }

    .service-card p {
        grid-row: 2;
        grid-column: 2;
        text-align: left;
        font-size: 0.875rem;
        align-self: start;
    }

    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text h2 {
        font-size: 1.8rem;
    }

    .about-image {
        order: -1;
    }

    .about-features li {
        padding: 0.8rem 1rem;
    }
    
    .contact-info {
        padding: 2rem;
    }
    
    .contact-item {
        margin-bottom: 1.5rem;
    }

    .references-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }

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

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

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

    .wave-divider svg {
        height: 50px;
    }

    .floating-shapes .shape {
        opacity: 0.05;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
    }

    .slider-content h1 {
        font-size: 1.8rem;
    }

    .hero-slider {
        height: 400px;
    }

    .service-card {
        padding: 1rem 1rem 1rem 0.9rem;
        column-gap: 0.75rem;
        grid-template-columns: 50px 1fr;
    }

    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .service-card h3 {
        font-size: 0.975rem;
    }

    .service-card p {
        font-size: 0.84rem;
    }

    .about-text h2 {
        font-size: 1.5rem;
    }

    .about-text p {
        font-size: 0.95rem;
    }

    .about-features li {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }

    .logo::before {
        font-size: 1.2rem;
    }

    .contact-info {
        padding: 1.5rem;
    }

    .contact-info h3 {
        font-size: 1.4rem;
    }

    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .contact-details h4 {
        font-size: 0.9rem;
    }

    .contact-details p {
        font-size: 0.95rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .submit-btn {
        width: 100%;
        padding: 1rem;
    }

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

    .reference-card {
        padding: 1.5rem;
    }

    .footer-section h3 {
        font-size: 1.2rem;
    }

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

    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .wave-divider svg {
        height: 40px;
    }

    .navbar {
        padding: 0.8rem 1rem;
    }

    .btn {
        padding: 0.9rem 1.5rem;
        font-size: 0.9rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .hero {
        padding: 3rem 1rem;
        min-height: 350px;
    }
}

/* =============== MOBILE BOTTOM NAV =============== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: linear-gradient(180deg, var(--primary-navy) 0%, var(--primary-dark) 100%);
    border-top: 1px solid rgba(255,255,255,0.12);
    padding: 0.4rem 0;
    padding-bottom: calc(0.4rem + env(safe-area-inset-bottom));
    box-shadow: 0 -4px 24px rgba(0,0,0,0.35);
}

.mobile-bottom-nav ul {
    display: flex;
    list-style: none;
    justify-content: space-around;
    align-items: center;
    margin: 0;
    padding: 0;
}

.mobile-bottom-nav ul li a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.35rem 0.6rem;
    border-radius: 10px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.mobile-bottom-nav ul li a i {
    font-size: 1.25rem;
    line-height: 1;
}

.mobile-bottom-nav ul li a.active {
    color: var(--accent-orange);
}

.mobile-bottom-nav ul li a.active i {
    filter: drop-shadow(0 0 5px var(--accent-orange));
    transform: translateY(-2px);
}

.mobile-bottom-nav ul li a:hover {
    color: var(--accent-yellow);
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: block;
    }
    body {
        padding-bottom: 68px;
    }

    /* ---- Footer mobilde sadece marka + iletişim görünsün ---- */
    .footer-section:nth-child(2),
    .footer-section:nth-child(3) {
        display: none;
    }
    .footer {
        padding: 2rem 1.5rem 1.5rem;
    }
    .footer-content {
        gap: 1.5rem;
        grid-template-columns: 1fr 1fr;
    }
    .footer-section:nth-child(1) {
        grid-column: 1 / -1;
        text-align: center;
    }
    .footer-section:nth-child(4) {
        grid-column: 1 / -1;
    }

    /* ---- Hero: tam genişlik, hafif flu ---- */
    .hero.has-background {
        background-attachment: scroll; /* iOS fix */
        margin: 0;
        border-radius: 0;
        overflow: hidden;
        min-height: 260px;
        height: auto;
        padding: 2.5rem 1.4rem 2rem;
        background-position: center 40%;
        background-size: cover;
        box-shadow: none;
    }

    /* Overlay + backdrop blur → resim tam görünür ama biraz flu */
    .hero.has-background::before {
        background: linear-gradient(
            170deg,
            rgba(13, 27, 42, 0.52) 0%,
            rgba(30, 58, 90, 0.35) 55%,
            rgba(13, 27, 42, 0.60) 100%
        ) !important;
        border-radius: 0;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
    }

    .hero.has-background h1 {
        font-size: 2rem;
        text-shadow: 0 2px 12px rgba(0,0,0,0.6);
    }

    .hero.has-background p {
        font-size: 0.92rem;
        text-shadow: 0 1px 8px rgba(0,0,0,0.5);
    }
}

/* ----- AKGÜLLER logo watermark (galeri + ürünler) ----- */
.wm-wrap {
    position: relative;
}
.wm-wrap > img {
    position: relative;
    z-index: 0;
    display: block;
}
.wm-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/watermark-logo.png') center / min(48%, 220px) no-repeat;
    opacity: 0.2;
    pointer-events: none;
    z-index: 1;
    filter: blur(0.8px);
    mix-blend-mode: soft-light;
}
@media (max-width: 768px) {
    .wm-wrap::after {
        background-size: min(58%, 180px);
        opacity: 0.17;
    }
}