/* =============================================
   CSK BİLİŞİM TEKNOLOJİLERİ - ANA STIL
   Kırmızı & Gri Premium Tasarım
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&display=swap');

:root {
    /* Renk Paleti - Kırmızı & Gri */
    --primary: #1a1a2e;
    --primary-light: #2d2d44;
    --primary-dark: #0f0f1a;
    --accent: #c0392b;
    --accent-light: #e74c3c;
    --accent-dark: #96281b;
    --accent-glow: rgba(192,57,43,0.15);
    --white: #ffffff;
    --gray-50: #f7f8fa;
    --gray-100: #ecedf1;
    --gray-200: #d5d7de;
    --gray-300: #b0b3bd;
    --gray-400: #8a8d99;
    --gray-500: #6c6f7b;
    --gray-600: #4e5160;
    --gray-700: #2e3039;
    --gray-800: #1c1d24;
    --success: #10b981;
    --danger: #ef4444;

    /* Tipografi */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Boyutlar */
    --header-height: 80px;
    --container-width: 1240px;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 22px;

    /* Gölgeler */
    --shadow-sm: 0 2px 6px rgba(26,26,46,0.06);
    --shadow: 0 6px 20px rgba(26,26,46,0.08);
    --shadow-lg: 0 16px 48px rgba(26,26,46,0.12);
    --shadow-xl: 0 24px 64px rgba(26,26,46,0.16);
    --shadow-red: 0 8px 30px rgba(192,57,43,0.25);

    /* Geçişler */
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Dekoratif overlay ve pseudo elementler tıklamayı engellemesin */
.hero-slide::before,
.hero-slide::after,
.cta-section::before,
.page-banner::before,
.stats-section::before,
.srv-overlay,
.srv-bg,
.srv-card-svg,
canvas#heroParticles,
.hero-svg-bg,
.hero-float {
    pointer-events: none !important;
}
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--primary); }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 99999;
    background: rgba(255,255,255,0.98);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition);
}
.header.scrolled { 
    box-shadow: 0 2px 30px rgba(26,26,46,0.08); 
    background: #fff;
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}
.logo img { height: 48px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
    padding: 10px 16px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    position: relative;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); background: var(--gray-50); }
.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 4px; left: 16px; right: 16px;
    height: 2.5px;
    background: var(--accent);
    border-radius: 2px;
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown .dropdown-menu {
    position: absolute;
    top: 100%; left: 0;
    min-width: 290px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0; visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 9999;
}
.nav-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}
.dropdown-menu a i { width: 20px; color: var(--accent); font-size: 0.9rem; }
.dropdown-menu a:hover { background: var(--gray-50); color: var(--primary); }

/* Header CTA */
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--accent);
    color: var(--white) !important;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 50px;
    box-shadow: var(--shadow-red);
}
.header-cta:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 12px 32px rgba(192,57,43,0.35);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none; border: none;
    font-size: 1.5rem; color: var(--primary); cursor: pointer;
}

/* ========== HERO / SLIDER ========== */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    max-height: 860px;
    margin-top: 80px;
    overflow: hidden;
    background: var(--primary);
}
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(26,26,46,0.55) 60%, rgba(192,57,43,0.2) 100%);
    z-index: 1;
    pointer-events: none;
}
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-content {
    position: absolute; inset: 0; z-index: 2;
    display: flex; flex-direction: column; justify-content: center;
    padding: 0 10%;
}
.hero-content .subtitle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-light);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0; transform: translateY(20px);
    animation: fadeUp 0.8s 0.3s forwards;
}
.hero-content .subtitle::before {
    content: '';
    width: 40px; height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.hero-content h1 {
    font-size: clamp(2.6rem, 5.5vw, 4.2rem);
    color: var(--white);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    opacity: 0; transform: translateY(20px);
    animation: fadeUp 0.8s 0.5s forwards;
}
.hero-content h1 span { color: var(--accent-light); }
.hero-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.75);
    max-width: 550px;
    margin-bottom: 36px;
    opacity: 0; transform: translateY(20px);
    animation: fadeUp 0.8s 0.7s forwards;
}
.hero-btns {
    display: flex; gap: 16px;
    opacity: 0; transform: translateY(20px);
    animation: fadeUp 0.8s 0.9s forwards;
}

/* Hero dots */
.hero-dots {
    position: absolute;
    bottom: 36px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex; gap: 10px;
}
.hero-dots span {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    cursor: pointer;
    transition: var(--transition);
}
.hero-dots span.active { background: var(--accent); transform: scale(1.3); }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 34px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(192,57,43,0.3);
}
.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(192,57,43,0.4);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.08);
}
.btn-dark {
    background: var(--primary);
    color: var(--white);
}
.btn-dark:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.btn-white {
    background: var(--white);
    color: var(--accent);
    font-weight: 700;
}
.btn-white:hover {
    background: var(--gray-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========== SECTIONS ========== */
.section { padding: 100px 0; }
.section-gray { background: var(--gray-50); }
.section-dark { background: var(--primary); }

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}
.section-header .label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 14px;
}
.section-header .label::before,
.section-header .label::after {
    content: '';
    width: 20px; height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 14px;
}
.section-dark .section-header h2 { color: var(--white); }
.section-dark .section-header .label { color: var(--accent-light); }
.section-dark .section-header p { color: rgba(255,255,255,0.6); }
.section-header p { color: var(--gray-500); font-size: 1.02rem; }

/* ========== INFO BAR ========== */
.info-bar {
    position: relative;
    margin-top: 0;
    z-index: auto;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
}
.info-bar .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--white);
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
}
.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 30px 32px;
    border-right: 1px solid var(--gray-100);
    transition: var(--transition);
}
.info-item:last-child { border-right: none; }
.info-item:hover { background: var(--gray-50); }
.info-item .icon {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--white);
    border-radius: var(--radius);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.info-item h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 2px; }
.info-item p { font-size: 0.85rem; color: var(--gray-500); }

/* ========== ABOUT ========== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.about-image { position: relative; border-radius: var(--radius-lg); overflow: visible; }
.about-image img {
    width: 100%; height: 460px; object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.about-image .experience-badge {
    position: absolute;
    bottom: -20px; right: -20px;
    background: var(--accent);
    color: var(--white);
    padding: 22px 26px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-red);
}
.experience-badge .number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.8rem; font-weight: 900;
    line-height: 1;
}
.experience-badge span { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.about-content .label {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.78rem; font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 14px;
}
.about-content .label::before { content: ''; width: 24px; height: 2px; background: var(--accent); border-radius: 2px; }
.about-content h2 { font-size: 2.2rem; margin-bottom: 18px; }
.about-content p { color: var(--gray-500); margin-bottom: 14px; }
.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px; margin-top: 28px;
}
.about-feature {
    display: flex; align-items: center; gap: 10px;
    padding: 13px 16px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.about-feature:hover { background: var(--white); box-shadow: var(--shadow); }
.about-feature i { color: var(--accent); font-size: 1.1rem; }
.about-feature span { font-weight: 600; font-size: 0.88rem; color: var(--primary); }

/* ========== SERVICES - GÖRSEL KARTLAR ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.service-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 320px;
    cursor: pointer;
    transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.service-card .srv-bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    transition: var(--transition-slow);
}
.service-card:hover .srv-bg { transform: scale(1.08); }
.service-card .srv-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(26,26,46,0.1) 0%, rgba(26,26,46,0.75) 60%, rgba(26,26,46,0.92) 100%);
    transition: var(--transition);
    pointer-events: none;
}
.service-card:hover .srv-overlay {
    background: linear-gradient(180deg, rgba(192,57,43,0.05) 0%, rgba(26,26,46,0.8) 50%, rgba(192,57,43,0.85) 100%);
}
.service-card .srv-content {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 32px;
    z-index: 2;
    transition: var(--transition);
}
.service-card .srv-icon {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 1.2rem;
    margin-bottom: 16px;
    box-shadow: var(--shadow-red);
    transition: var(--transition);
}
.service-card:hover .srv-icon {
    background: var(--white);
    color: var(--accent);
}
.service-card h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 700;
}
.service-card .srv-desc {
    color: rgba(255,255,255,0.7);
    font-size: 0.88rem;
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: var(--transition);
}
.service-card:hover .srv-desc { max-height: 80px; opacity: 1; margin-bottom: 12px; }
.service-card .srv-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--white);
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}
.service-card:hover .srv-link { opacity: 1; transform: translateY(0); }
.service-card .srv-link:hover { gap: 10px; }

/* Feature service (büyük kart) */
.service-card.featured {
    grid-column: span 2;
    height: 380px;
}

/* Hizmet sayfası grid (eski basit kartlar için) */
.services-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.srv-list-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.srv-list-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0); transform-origin: left;
    transition: var(--transition);
}
.srv-list-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.srv-list-card:hover::before { transform: scaleX(1); }
.srv-list-card .icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    background: var(--gray-50);
    color: var(--accent);
    border-radius: var(--radius);
    font-size: 1.3rem;
    margin-bottom: 20px;
    transition: var(--transition);
}
.srv-list-card:hover .icon { background: var(--accent); color: var(--white); }
.srv-list-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.srv-list-card p { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 16px; }
.srv-list-card .link {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem;
    color: var(--accent);
}
.srv-list-card .link:hover { gap: 10px; }

/* ========== STATS ========== */
.stats-section {
    background: var(--primary);
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(192,57,43,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(192,57,43,0.06) 0%, transparent 40%);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative; z-index: 1;
}
.stat-item { text-align: center; padding: 20px; }
.stat-item .number {
    font-family: var(--font-heading);
    font-size: 3.2rem; font-weight: 900;
    color: var(--accent-light);
    line-height: 1; margin-bottom: 6px;
}
.stat-item .title {
    font-family: var(--font-heading);
    font-size: 0.9rem; font-weight: 500;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase; letter-spacing: 1px;
}

/* ========== WHY US ========== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.why-card {
    text-align: center;
    padding: 44px 28px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}
.why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.why-card .icon {
    width: 72px; height: 72px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-red);
}
.why-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; color: var(--gray-500); }

/* ========== TESTIMONIALS ========== */
.testimonials-slider { max-width: 720px; margin: 0 auto; text-align: center; }
.testimonial-item {
    padding: 44px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
}
.testimonial-item::before {
    content: '';
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 60px; height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 3px;
}
.testimonial-item .quote-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 20px; }
.testimonial-item blockquote {
    font-size: 1.1rem; color: var(--gray-600);
    font-style: italic; line-height: 1.8; margin-bottom: 24px;
}
.testimonial-item .author { display: flex; align-items: center; justify-content: center; gap: 14px; }
.testimonial-item .author img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
.testimonial-item .author-info h4 { font-size: 1rem; }
.testimonial-item .author-info p { font-size: 0.85rem; color: var(--gray-400); }

/* ========== REFERENCES ========== */
.references-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px; flex-wrap: wrap;
}
.references-grid img {
    height: 50px;
    opacity: 0.4;
    filter: grayscale(100%);
    transition: var(--transition);
}
.references-grid img:hover { opacity: 1; filter: grayscale(0%); }

/* ========== BLOG ========== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.blog-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.blog-card .thumb { height: 210px; overflow: hidden; }
.blog-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-slow); }
.blog-card:hover .thumb img { transform: scale(1.06); }
.blog-card .content { padding: 24px; }
.blog-card .date {
    display: inline-block;
    font-size: 0.78rem; color: var(--accent);
    font-weight: 700; margin-bottom: 8px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.blog-card h3 {
    font-size: 1.05rem; margin-bottom: 10px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card p {
    font-size: 0.9rem; color: var(--gray-500);
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* ========== CTA SECTION ========== */
.cta-section {
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 50%, var(--accent-light) 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.cta-section h2 { color: var(--white); font-size: 2rem; margin-bottom: 14px; position: relative; z-index: 1; }
.cta-section p {
    color: rgba(255,255,255,0.8);
    font-size: 1.08rem; margin-bottom: 32px;
    max-width: 480px; margin-left: auto; margin-right: auto;
    position: relative; z-index: 1;
}
.cta-section .btn { position: relative; z-index: 1; }

/* ========== FOOTER ========== */
.footer { background: var(--primary-dark); padding: 80px 0 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-col h4 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    position: relative;
}
.footer-col h4::after {
    content: '';
    position: absolute; bottom: 0; left: 0;
    width: 28px; height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-about p { color: rgba(255,255,255,0.5); font-size: 0.88rem; margin-bottom: 20px; line-height: 1.8; }
.footer-about .logo { margin-bottom: 16px; }
.footer-about .logo img { height: 40px; }
.footer-social { display: flex; gap: 8px; }
.footer-social a {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.5);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--white); }
.footer-links a {
    display: block; color: rgba(255,255,255,0.5);
    font-size: 0.88rem; padding: 5px 0; transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 5px; }
.footer-contact li {
    display: flex; align-items: flex-start; gap: 10px;
    color: rgba(255,255,255,0.5);
    font-size: 0.88rem; margin-bottom: 12px;
}
.footer-contact li i { color: var(--accent); margin-top: 4px; width: 16px; text-align: center; }
.footer-bottom { padding: 20px 0; text-align: center; }
.footer-bottom p { color: rgba(255,255,255,0.3); font-size: 0.82rem; }

/* ========== NEWSLETTER ========== */
.newsletter-form { display: flex; gap: 8px; margin-top: 16px; }
.newsletter-form input {
    flex: 1; padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--white); font-size: 0.85rem; outline: none;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.35); }
.newsletter-form button {
    padding: 12px 20px;
    background: var(--accent); color: var(--white);
    border: none; border-radius: var(--radius-sm);
    font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem;
    cursor: pointer; transition: var(--transition);
}
.newsletter-form button:hover { background: var(--accent-dark); }

/* ========== CONTACT FORM ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-family: var(--font-heading);
    font-weight: 500; font-size: 0.9rem;
    color: var(--primary); margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%; padding: 14px 18px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body); font-size: 0.95rem;
    color: var(--gray-700); transition: var(--transition); outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ========== PAGE BANNER ========== */
.page-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, var(--accent-dark) 100%);
    padding: 120px 0 60px;
    margin-top: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(192,57,43,0.15) 0%, transparent 50%);
}
.page-banner h1 { color: var(--white); font-size: 2.5rem; margin-bottom: 12px; position: relative; z-index: 1; }
.breadcrumb {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; font-size: 0.9rem;
    color: rgba(255,255,255,0.5); position: relative; z-index: 1;
}
.breadcrumb a { color: var(--accent-light); }
.breadcrumb a:hover { color: var(--white); }

/* ========== ALERT ========== */
.alert { padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.9rem; }
.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ========== ANIMATIONS ========== */
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; transform: translateY(30px); transition: var(--transition-slow); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed; bottom: 30px; right: 30px;
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent); color: var(--white);
    border-radius: 50%; font-size: 1.2rem;
    box-shadow: var(--shadow-red);
    opacity: 0; visibility: hidden;
    transition: var(--transition);
    cursor: pointer; z-index: 99; border: none;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent-dark); transform: translateY(-3px); }

/* ========== RESPONSIVE ========== */

/* Tablet */
@media (max-width: 1024px) {
    .container { padding: 0 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .about-grid { gap: 40px; }
    .why-grid { grid-template-columns: 1fr 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .service-card.featured { grid-column: span 1; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .references-grid { gap: 32px; }
}

/* Mobile */
@media (max-width: 768px) {
    :root { --header-height: 80px; }
    html { font-size: 15px; }
    .container { padding: 0 16px; }
    .section { padding: 56px 0; }
    
    /* HEADER */
    .header .container { height: 80px; }
    .logo img { height: 36px; }
    .menu-toggle { display: block; z-index: 99999; position: relative; }
    
    .nav-menu {
        position: fixed;
        top: 80px; left: 0; right: 0; bottom: 0;
        background: var(--white);
        flex-direction: column;
        padding: 16px;
        transform: translateX(100%);
        transition: var(--transition);
        overflow-y: auto;
        z-index: 99998;
        gap: 2px;
    }
    .nav-menu.open { transform: translateX(0); }
    .nav-menu a {
        padding: 14px 16px;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        width: 100%;
        text-align: left;
    }
    .nav-menu a.active::after { display: none; }
    .nav-menu a.active { background: var(--accent-glow); color: var(--accent); }
    
    /* Dropdown tam genişlik ve sola dayalı */
    .nav-dropdown { width: 100%; }
    .nav-dropdown > a { 
        width: 100%; 
        text-align: left;
        display: flex;
        justify-content: flex-start;
    }
    
    .nav-dropdown .dropdown-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0 0 0 16px;
        display: none;
        min-width: auto;
        border-left: 2px solid var(--accent-glow);
        margin: 4px 0 4px 16px;
        background: transparent;
        z-index: auto;
    }
    .nav-dropdown.open .dropdown-menu { display: block; }
    .dropdown-menu a { padding: 10px 14px; font-size: 0.88rem; }
    .header-cta { margin-top: 8px; justify-content: center; width: 100%; }
    
    /* HERO (eski slider) */
    .hero { height: auto; min-height: auto; max-height: none; }
    .hero-content { padding: 60px 16px 80px; }
    .hero-content .subtitle { font-size: 0.72rem; letter-spacing: 2px; }
    .hero-content h1 { font-size: 1.8rem; margin-bottom: 14px; }
    .hero-content p { font-size: 0.92rem; margin-bottom: 24px; }
    .hero-btns { flex-direction: column; align-items: stretch; gap: 10px; }
    .hero-btns .btn { justify-content: center; padding: 14px 24px; }
    .hero-dots { bottom: 20px; }
    
    /* INFO BAR */
    .info-bar .container { 
        grid-template-columns: 1fr; 
    }
    .info-item { 
        border-right: none; 
        border-bottom: 1px solid var(--gray-100); 
        padding: 16px 20px;
    }
    .info-item:last-child { border-bottom: none; }
    .info-item .icon { width: 42px; height: 42px; font-size: 1rem; border-radius: 10px; }
    .info-item h4 { font-size: 0.82rem; }
    .info-item p { font-size: 0.8rem; }
    
    /* SECTIONS */
    .section-header { margin-bottom: 36px; }
    .section-header h2 { font-size: 1.5rem; }
    .section-header p { font-size: 0.9rem; }
    .section-header .label { font-size: 0.7rem; letter-spacing: 2px; }
    
    /* ABOUT */
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-image { order: -1; }
    .about-image img { height: 280px; }
    .about-image .experience-badge { bottom: -12px; right: 12px; padding: 16px 18px; }
    .experience-badge .number { font-size: 2rem; }
    .about-content h2 { font-size: 1.6rem; }
    .about-features { grid-template-columns: 1fr; gap: 8px; }
    .about-feature { padding: 11px 14px; }
    
    /* SERVICES */
    .services-grid { grid-template-columns: 1fr; gap: 16px; }
    .service-card { height: 240px; }
    .service-card.featured { height: 260px; grid-column: span 1; }
    .srv-content { padding: 24px; }
    .srv-icon { width: 44px; height: 44px; font-size: 1rem; margin-bottom: 12px; }
    .service-card h3 { font-size: 1.05rem; }
    .services-list-grid { grid-template-columns: 1fr; gap: 16px; }
    .srv-list-card { padding: 28px 22px; }
    
    /* STATS */
    .stats-section { padding: 56px 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-item { padding: 16px 8px; }
    .stat-item .number { font-size: 2.2rem; }
    .stat-item .title { font-size: 0.75rem; }
    
    /* WHY US */
    .why-grid { grid-template-columns: 1fr; gap: 16px; }
    .why-card { padding: 32px 24px; }
    .why-card .icon { width: 60px; height: 60px; font-size: 1.2rem; }
    
    /* TESTIMONIALS */
    .testimonials-slider { max-width: 100%; }
    .testimonial-item { padding: 28px 20px; }
    .testimonial-item .quote-icon { font-size: 1.8rem; }
    .testimonial-item blockquote { font-size: 0.95rem; }
    
    /* REFERENCES */
    .references-grid { gap: 24px; }
    .references-grid img { height: 36px; }
    
    /* BLOG */
    .blog-grid { grid-template-columns: 1fr; gap: 20px; }
    .blog-card .thumb { height: 180px; }
    .blog-card .content { padding: 20px; }
    .blog-card h3 { font-size: 1rem; }
    
    /* CTA */
    .cta-section { padding: 56px 0; }
    .cta-section h2 { font-size: 1.5rem; }
    .cta-section p { font-size: 0.95rem; }
    
    /* CONTACT */
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-group input, .form-group textarea { padding: 12px 14px; font-size: 0.9rem; }
    
    /* PAGE BANNER — tüm alt sayfalar */
    .page-banner { padding: 110px 0 40px; }
    .page-banner h1 { font-size: 1.8rem; }
    .breadcrumb { font-size: 0.82rem; flex-wrap: wrap; }
    
    /* FOOTER */
    .footer { padding: 56px 0 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-col h4 { font-size: 0.9rem; margin-bottom: 14px; }
    .footer-about p { font-size: 0.85rem; }
    .footer-bottom { padding: 16px 0; }
    .footer-bottom p { font-size: 0.78rem; }
    .newsletter-form { flex-direction: column; }
    .newsletter-form input, .newsletter-form button { width: 100%; }
    .newsletter-form button { justify-content: center; padding: 14px; }
    
    /* BUTTONS */
    .btn { padding: 13px 26px; font-size: 0.85rem; }
    
    /* BACK TO TOP */
    .back-to-top { width: 42px; height: 42px; bottom: 20px; right: 16px; font-size: 1rem; }
}

/* Small phones */
@media (max-width: 400px) {
    .container { padding: 0 12px; }
    .hero-content { padding: 48px 12px 72px; }
    .hero-content h1 { font-size: 1.5rem; }
    .info-bar .container { margin: 0; }
    .info-item { padding: 16px; }
    .section { padding: 44px 0; }
    .section-header h2 { font-size: 1.3rem; }
    .about-content h2 { font-size: 1.35rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-item .number { font-size: 1.8rem; }
    .page-banner { padding: 100px 0 32px; }
    .page-banner h1 { font-size: 1.5rem; }
    .footer-grid { gap: 20px; }
}