/* ========================================================
   İŞ YELEKLERİ — Premium Design System v2.0
   İlke Tekstil | isyelekleri.net
   ======================================================== */

/* ===== 1. CSS CUSTOM PROPERTIES ===== */
:root {
    --primary: #ff6b2c;
    --primary-light: #e05a1f;
    --primary-dark: #c94d17;
    --secondary: #e6a800;
    --secondary-light: #f5c300;
    --accent: #00b894;
    --accent-light: #00d4aa;

    /* ══ BEYAZ / AÇIK TEMA ══ */
    --bg-body: #ffffff;
    --bg-section: #f7f8fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f2f4f8;
    --bg-header: rgba(255, 255, 255, 0.95);
    --bg-header-solid: rgba(255, 255, 255, 0.98);

    --text-white: #1a2332;
    --text-primary: #2d3748;
    --text-secondary: #5a6577;
    --text-muted: #8a95a5;

    --border-subtle: rgba(0, 0, 0, 0.06);
    --border-light: rgba(0, 0, 0, 0.08);
    --border-medium: rgba(0, 0, 0, 0.14);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.08);

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.10);
    --shadow-glow-primary: 0 8px 30px rgba(255,107,44,0.15);
    --shadow-glow-secondary: 0 0 30px rgba(230,168,0,0.10);

    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-hero: linear-gradient(160deg, rgba(255,255,255,0.92) 0%, rgba(247,248,250,0.85) 40%, rgba(255,255,255,0.90) 100%);
    --gradient-card: linear-gradient(160deg, #ffffff 0%, #f7f8fa 100%);
    --gradient-cta: linear-gradient(135deg, var(--primary), var(--primary-dark));

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --section-py: clamp(60px, 8vw, 100px);
    --container-max: 1280px;
    --container-px: clamp(16px, 4vw, 32px);

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-base: 0.35s var(--ease-out);
    --transition-slow: 0.5s var(--ease-out);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ===== 2. RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
input, textarea, select {
    -webkit-user-select: auto;
    -ms-user-select: auto;
    user-select: auto;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--secondary); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }
::selection { background: rgba(255,107,44,0.2); color: #fff; }

/* ===== 3. TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-white);
    line-height: 1.2;
    font-weight: 700;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { color: var(--text-primary); margin-bottom: 1em; }
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.lead { font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--text-secondary); line-height: 1.8; }

/* ===== 4. LAYOUT ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-px);
    width: 100%;
}
.section { padding: var(--section-py) 0; position: relative; }
.section-alt { background-color: var(--bg-section); }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ===== 5. SECTION HEADINGS ===== */
.section-header { text-align: center; max-width: 700px; margin: 0 auto clamp(40px, 5vw, 64px); }
.section-header .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255,107,44,0.1);
    border: 1px solid rgba(255,107,44,0.2);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header .line {
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 20px auto 0;
}

/* ===== 6. HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--bg-header);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}
.header.scrolled {
    background: var(--bg-header-solid);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { height: 42px; width: auto; }
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-white);
}
.logo-text span { color: var(--primary); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}
.nav-link:hover, .nav-link.active {
    color: var(--text-white);
    background: rgba(255,255,255,0.05);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px; left: 14px; right: 14px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform var(--transition-base);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}
.nav-dropdown-menu a:hover {
    background: rgba(255,107,44,0.08);
    color: var(--text-white);
    padding-left: 18px;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--gradient-primary);
    color: #fff !important;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(255,107,44,0.3);
}
.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255,107,44,0.4);
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    width: 44px; height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}
.menu-toggle span {
    width: 24px; height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ===== 7. HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 72px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.08;
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        var(--gradient-hero),
        radial-gradient(ellipse 40% 50% at 70% 30%, rgba(255,107,44,0.04) 0%, transparent 60%);
}
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(circle at 15% 50%, rgba(255,107,44,0.03) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(230,168,0,0.02) 0%, transparent 35%);
    animation: meshShift 20s ease-in-out infinite alternate;
}
@keyframes meshShift {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}
.hero-particles span {
    position: absolute;
    width: 3px; height: 3px;
    background: rgba(255,107,44,0.4);
    border-radius: 50%;
    animation: floatParticle 15s infinite linear;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 750px;
    padding: 60px 0;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255,107,44,0.12);
    border: 1px solid rgba(255,107,44,0.25);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s var(--ease-out) both;
}
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 800;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s 0.1s var(--ease-out) both;
}
.hero-desc {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 600px;
    animation: fadeInUp 0.6s 0.2s var(--ease-out) both;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    animation: fadeInUp 0.6s 0.3s var(--ease-out) both;
}
.hero-authority-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    margin-top: 18px;
    color: var(--text-muted);
    font-size: 0.92rem;
    animation: fadeInUp 0.6s 0.35s var(--ease-out) both;
}
.hero-authority-links span {
    color: var(--text-secondary);
    font-weight: 600;
}
.hero-authority-links a {
    color: var(--primary-light);
    border-bottom: 1px solid rgba(255,138,77,0.45);
    font-weight: 700;
}
.hero-authority-links a:hover {
    color: var(--secondary);
    border-bottom-color: var(--secondary);
}
.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border-light);
    animation: fadeInUp 0.6s 0.4s var(--ease-out) both;
}
.hero-stat h3 {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-stat p { font-size: 0.88rem; color: var(--text-secondary); margin: 0; }

/* Hero floating image */
.hero-image {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 40%;
    max-width: 500px;
    animation: floatImage 6s ease-in-out infinite;
}
.hero-image img {
    width: 100%;
    height: auto;
    max-height: 68vh;
    object-fit: contain;
    border-radius: 18px;
    background: #fff;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

/* ===== 8. BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}
.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: 0 4px 20px rgba(255,107,44,0.3);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255,107,44,0.45);
    color: var(--text-white);
}
.btn-primary::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-primary:hover::before { left: 100%; }
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-medium);
}
.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(255,107,44,0.08);
    color: var(--text-white);
    transform: translateY(-3px);
}
.btn-whatsapp {
    background: #25d366;
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
    background: #1fb855;
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(37,211,102,0.4);
    color: white;
}
.btn-sm { padding: 10px 22px; font-size: 0.88rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* ===== 9. TRUST BAR / MARQUEE ===== */
.trust-bar {
    background: var(--bg-section);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 14px 0;
    overflow: hidden;
}
.marquee {
    display: flex;
    animation: marquee 30s linear infinite;
    gap: 60px;
    white-space: nowrap;
}
.marquee-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    flex-shrink: 0;
}
.marquee-item .icon {
    color: var(--primary);
    font-size: 1.1rem;
}

/* ===== 10. CATEGORY CARDS ===== */
.category-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    cursor: pointer;
    group: true;
}
.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow-primary);
    border-color: rgba(255,107,44,0.3);
}
.category-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: #f8fafc;
}
.category-card-img img {
    width: 100%; height: 100%;
    object-fit: contain;
    padding: 12px;
    transition: transform 0.6s var(--ease-out);
}
.category-card:hover .category-card-img img { transform: scale(1.1); }
.category-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(255,255,255,0.6) 100%);
}
.category-card-content {
    padding: 20px 24px 24px;
}
.category-card-content h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
    transition: color var(--transition-fast);
}
.category-card:hover .category-card-content h3 { color: var(--primary-light); }
.category-card-content p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}
/* Blog kart görselleri — inline style yerine CSS class */
.category-card-img.blog-img {
    height: 200px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}
.category-card-img.blog-img.blog-img--warm { background: #fdfbf7; }
.category-card-img.blog-img.blog-img--green { background: #f8fbfa; }
.category-card-img.blog-img img {
    width: auto; height: 150px;
    object-fit: contain;
}
.blog-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
}
.blog-title {
    margin-top: 8px;
    font-size: 1.1rem;
}
.blog-desc {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
@media (max-width: 480px) {
    .category-card-img.blog-img { height: 160px; }
    .category-card-img.blog-img img { height: 120px; }
}
@media (max-width: 360px) {
    .category-card-img.blog-img { height: 140px; }
    .category-card-img.blog-img img { height: 100px; }
}
.category-card-arrow {
    position: absolute;
    bottom: 20px; right: 20px;
    width: 36px; height: 36px;
    background: rgba(255,107,44,0.1);
    border: 1px solid rgba(255,107,44,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 0.9rem;
    transition: all var(--transition-base);
}
.category-card:hover .category-card-arrow {
    background: var(--primary);
    color: white;
    transform: translateX(4px);
}

/* ===== 11. PRODUCT CARDS ===== */
.product-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,107,44,0.2);
}
.product-card-img {
    position: relative;
    height: 260px;
    overflow: hidden;
    background: #f8f9fb;
}
.product-card-img img {
    width: 100%; height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: transform 0.5s var(--ease-out);
}
.product-card:hover .product-card-img img { transform: scale(1.08); }
.product-card-badge {
    position: absolute;
    top: 12px; left: 12px;
    padding: 5px 12px;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
}
.product-card-actions {
    position: absolute;
    top: 12px; right: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-base);
}
.product-card:hover .product-card-actions {
    opacity: 1;
    transform: translateX(0);
}
.product-card-actions a {
    width: 36px; height: 36px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}
.product-card-actions a:hover {
    background: var(--primary);
    border-color: var(--primary);
}
.product-card-body { padding: 20px; }
.product-card-body h4 { font-size: 1.05rem; margin-bottom: 8px; }
.product-card-body p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; }
.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-top: 1px solid var(--border-subtle);
}
.product-card-footer .price {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-light);
}
.product-card-footer .btn-sm { padding: 8px 16px; font-size: 0.8rem; }

/* ===== 12. FEATURES SECTION ===== */
.feature-card {
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,107,44,0.25);
    box-shadow: var(--shadow-glow-primary);
}
.feature-icon {
    width: 64px; height: 64px;
    margin: 0 auto 20px;
    background: rgba(255,107,44,0.1);
    border: 1px solid rgba(255,107,44,0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    transition: all var(--transition-base);
}
.feature-card:hover .feature-icon {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(255,107,44,0.3);
}
.feature-card h4 { margin-bottom: 10px; font-size: 1.1rem; }
.feature-card p { font-size: 0.88rem; color: var(--text-secondary); margin: 0; }

/* ===== 13. STATS / COUNTERS ===== */
.stats {
    background: linear-gradient(135deg, rgba(255,107,44,0.06) 0%, rgba(255,214,0,0.04) 100%);
    border-top: 1px solid rgba(255,107,44,0.1);
    border-bottom: 1px solid rgba(255,107,44,0.1);
}
.stat-item { text-align: center; padding: 20px; }
.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== 14. ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}
.about-image img { width: 100%; border-radius: var(--radius-xl); }
.about-image-badge {
    position: absolute;
    bottom: 24px; left: 24px;
    padding: 16px 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
}
.about-image-badge .number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}
.about-image-badge .text {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.3;
}
.about-content h2 { margin-bottom: 20px; }
.about-content .lead { margin-bottom: 24px; }
.about-list { margin: 24px 0; }
.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    color: var(--text-primary);
    font-size: 0.95rem;
}
.about-list li .check {
    color: var(--accent);
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

/* ===== 15. CTA SECTION ===== */
.cta-section {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    opacity: 0.08;
}
.cta-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 50px 60px;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
}
.cta-inner h2 { margin-bottom: 12px; }
.cta-inner p { color: var(--text-secondary); margin: 0; max-width: 500px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ===== 16. REFERENCES ===== */
.ref-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px;
}
.ref-logo {
    padding: 20px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    opacity: 0.6;
    filter: grayscale(1);
}
.ref-logo:hover {
    opacity: 1;
    filter: grayscale(0);
    border-color: rgba(255,107,44,0.2);
    box-shadow: var(--shadow-md);
}
.ref-logo img { height: 40px; width: auto; }

/* ===== 17. SECTOR CARDS ===== */
.sector-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}
.sector-card:hover {
    transform: translateX(6px);
    border-color: rgba(255,107,44,0.3);
    background: var(--bg-card-hover);
}
.sector-icon {
    width: 48px; height: 48px;
    background: rgba(255,107,44,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.sector-card h4 { font-size: 0.95rem; margin-bottom: 2px; }
.sector-card p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

/* ===== 18. CONTACT SECTION ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}
.contact-info-card:hover {
    border-color: rgba(255,107,44,0.2);
    transform: translateY(-3px);
}
.contact-info-icon {
    width: 48px; height: 48px;
    background: rgba(255,107,44,0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
    flex-shrink: 0;
}
.contact-info-card h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-info-card p { font-size: 0.9rem; color: var(--text-secondary); margin: 0; }
.contact-info-card a { color: var(--primary-light); }

/* Form */
.contact-form {
    padding: 36px;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255,107,44,0.15);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== 19. FAQ ACCORDION ===== */
.faq-item {
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}
.faq-item.active { border-color: rgba(255,107,44,0.3); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-white);
    font-size: 1rem;
    transition: color var(--transition-fast);
    width: 100%;
    text-align: left;
    background: none;
}
.faq-question:hover { color: var(--primary-light); }
.faq-icon {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(255,107,44,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out);
}
.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.8;
}

/* ===== 20. FOOTER ===== */
.footer {
    background: var(--bg-section);
    border-top: 1px solid var(--border-subtle);
    padding-top: 80px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; margin: 16px 0 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}
.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}
.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-white);
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 30px; height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-links a:hover { color: var(--primary-light); padding-left: 6px; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.footer-contact li .icon { color: var(--primary); margin-top: 3px; flex-shrink: 0; }
.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

/* ===== 21. PAGE HERO (Inner Pages) ===== */
.page-hero {
    position: relative;
    padding: 160px 0 80px;
    text-align: center;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--bg-body) 0%, var(--bg-section) 100%);
}
.page-hero::after {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: clamp(200px, 40vw, 600px); height: clamp(200px, 40vw, 600px);
    background: radial-gradient(circle, rgba(255,107,44,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: 16px; }
.page-hero .lead { max-width: 600px; margin: 0 auto; }

/* Page hero floating product image */
.page-hero-image {
    position: absolute;
    right: 6%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 240px;
    max-width: 28%;
    animation: floatImage 6s ease-in-out infinite;
    pointer-events: none;
}
.page-hero-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(255,107,44,0.25));
}

/* ===== 22. BREADCRUMBS ===== */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    justify-content: center;
}
.breadcrumbs a, .breadcrumbs span {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.breadcrumbs a:hover { color: var(--primary-light); }
.breadcrumbs .separator { color: var(--text-muted); }

/* ===== 23. WHATSAPP & BACK TO TOP ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}
.whatsapp-btn {
    width: 60px; height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: all var(--transition-base);
    animation: pulse-green 2s infinite;
}
.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37,211,102,0.5);
    color: white;
}
/* Telefon Et Butonu */
.phone-float-btn {
    width: 60px; height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    box-shadow: 0 4px 20px rgba(255,107,44,0.4);
    transition: all var(--transition-base);
    animation: pulse-orange 2s infinite;
    text-decoration: none;
}
.phone-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(255,107,44,0.5);
    color: white;
}
@keyframes pulse-orange {
    0% { box-shadow: 0 0 0 0 rgba(255,107,44,0.5); }
    70% { box-shadow: 0 0 0 15px rgba(255,107,44,0); }
    100% { box-shadow: 0 0 0 0 rgba(255,107,44,0); }
}
.whatsapp-label {
    background: white;
    color: #333;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}
.back-to-top {
    position: fixed;
    bottom: 24px; left: 24px;
    width: 44px; height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    z-index: 998;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-3px);
}

/* ===== 24. PHONE STICKY (Mobile) ===== */
.phone-sticky {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 998;
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    padding: 10px 16px;
}
.phone-sticky-inner {
    display: flex;
    gap: 10px;
}
.phone-sticky a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.88rem;
    color: white;
}
.phone-sticky .call-btn { background: var(--primary); }
.phone-sticky .wp-btn { background: #25d366; }

/* ===== 25. ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes floatImage {
    0%, 100% { transform: translateY(-50%) translateX(0); }
    50% { transform: translateY(calc(-50% - 15px)) translateX(5px); }
}
@keyframes floatParticle {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}
@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 26. RESPONSIVE — 5 Kademeli Breakpoint Sistemi ===== */

/* --- Global Mobile Optimizations --- */
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    overflow-x: hidden;
}
body { overflow-x: hidden; }

/* Touch target minimum 44px (WCAG 2.5.5) */
button, a, input, select, textarea, [role="button"] {
    min-height: 44px;
}
/* iOS zoom-on-focus engelleme */
@supports (-webkit-touch-callout: none) {
    input, select, textarea { font-size: 16px !important; }
}

/* CLS Prevention: Explicit aspect-ratio for common containers */
.product-card-img { aspect-ratio: 4 / 3; }
.category-card-img { aspect-ratio: 3 / 2; }
.hero-bg img { aspect-ratio: 16 / 9; }

/* will-change for GPU acceleration on animated elements */
.header { will-change: background, box-shadow; }
.back-to-top, .whatsapp-btn { will-change: transform, opacity; }
.reveal { will-change: opacity, transform; }

/* ===== BREAKPOINT 5: ULTRA-WIDE DESKTOP (1440px+) ===== */
@media (min-width: 1441px) {
    :root { --container-max: 1400px; }
    .hero-content { max-width: 800px; }
    .hero-image { width: 45%; max-width: 550px; }
    .grid-4 { gap: 28px; }
    .category-card-img { height: 260px; }
    .product-card-img { height: 300px; }
    .section { padding: clamp(80px, 10vw, 120px) 0; }
    .footer-grid { gap: 56px; }
}
/* 4K / QHD ekranlar */
@media (min-width: 1921px) {
    :root { --container-max: 1600px; --container-px: 48px; }
    h1 { font-size: 4.5rem; }
    h2 { font-size: 3.2rem; }
    .hero h1 { font-size: 5rem; }
    .hero-desc { font-size: 1.35rem; }
    .product-card-body h4 { font-size: 1.2rem; }
    .product-card-body p { font-size: 0.95rem; }
    .nav-link { font-size: 1rem; padding: 10px 18px; }
    .header-inner { height: 84px; }
    .btn { padding: 16px 36px; font-size: 1.05rem; }
    .btn-lg { padding: 20px 48px; font-size: 1.15rem; }
    .feature-icon { width: 80px; height: 80px; font-size: 2rem; }
    .stat-number { font-size: clamp(2.5rem, 5vw, 4rem); }
}

/* ===== BREAKPOINT 4: TABLET LANDSCAPE (1024px) ===== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-image { display: none; }
    .hero-content { max-width: 100%; }
    .cta-inner { flex-direction: column; text-align: center; padding: 40px 32px; }
    .cta-actions { justify-content: center; flex-wrap: wrap; }
    .contact-grid { grid-template-columns: 1fr; }
    .page-hero-image { width: 180px; max-width: 22%; }
}

/* ===== BREAKPOINT 3.5: TABLET INTERMEDIATE (850px) ===== */
@media (max-width: 850px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .page-hero-image { display: none; }
    .hero-stats { flex-wrap: wrap; }
}

/* ===== BREAKPOINT 3: TABLET PORTRAIT (768px) ===== */
@media (max-width: 768px) {
    .nav { display: none; }
    .header-cta { display: none; }
    .menu-toggle { display: flex; }

    /* --- Profesyonel Mobil Menü --- */
    .nav.mobile-open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: var(--bg-body);
        padding: 80px 24px 24px;
        padding-bottom: env(safe-area-inset-bottom, 24px);
        z-index: 999;
        align-items: stretch;
        gap: 4px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        animation: fadeInUp 0.3s var(--ease-out);
    }
    .nav.mobile-open .nav-link {
        padding: 16px 18px;
        font-size: 1.05rem;
        border-bottom: 1px solid var(--border-subtle);
        border-radius: var(--radius-sm);
        min-height: 52px;
        display: flex;
        align-items: center;
    }
    .nav.mobile-open .nav-link:active {
        background: rgba(255,107,44,0.1);
    }
    .nav.mobile-open .nav-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding-left: 16px;
        background: transparent;
        display: none;
    }
    .nav.mobile-open .nav-dropdown.open .nav-dropdown-menu {
        display: block;
        animation: fadeInUp 0.2s var(--ease-out);
    }
    .nav.mobile-open .nav-dropdown-menu a {
        padding: 14px 18px;
        min-height: 48px;
        font-size: 0.95rem;
    }

    /* --- Responsive Grid --- */
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    /* --- Hero Mobil --- */
    .hero { min-height: auto; padding-top: 90px; }
    .hero-content { padding: 36px 0; }
    .hero h1 { font-size: clamp(1.8rem, 6vw, 2.8rem); }
    .hero-desc { font-size: 0.95rem; line-height: 1.7; }
    .hero-stats { flex-wrap: wrap; gap: 16px; justify-content: center; }
    .hero-stat { flex: 0 0 45%; min-width: 130px; text-align: center; }
    .hero-stat h3 { font-size: 1.8rem; }
    .hero-actions { flex-direction: column; gap: 12px; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .page-hero-image { display: none; }

    /* --- Kartlar Mobil --- */
    .category-card-img { height: 200px; }
    .product-card-img { height: 220px; }
    .category-card-content { padding: 16px 20px 20px; }
    .product-card-body { padding: 16px; }
    .product-card-footer { padding: 14px 16px; }
    .feature-card { padding: 28px 24px; }

    /* --- Footer Mobil --- */
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 12px; }
    .footer { padding-top: 56px; }
    .footer-col h4 { font-size: 1.1rem; }

    /* --- Genel Mobil --- */
    .section-header { margin-bottom: 28px; }
    .section-header .badge { font-size: 0.78rem; padding: 5px 12px; }
    .cta-inner { padding: 28px 20px; border-radius: var(--radius-lg); }
    .cta-actions { flex-direction: column; width: 100%; gap: 12px; }
    .cta-actions .btn { width: 100%; justify-content: center; }

    /* --- Sticky Mobil Araçlar --- */
    .phone-sticky { display: block; padding-bottom: env(safe-area-inset-bottom, 10px); }
    .whatsapp-float { bottom: 80px; right: 16px; }
    .whatsapp-btn { width: 52px; height: 52px; font-size: 1.5rem; }
    .phone-float-btn { width: 52px; height: 52px; font-size: 1.4rem; }
    .whatsapp-label { display: none; }
    .back-to-top { bottom: 80px; left: 16px; width: 38px; height: 38px; font-size: 0.9rem; }

    /* --- Sayfa Hero Mobil --- */
    .page-hero { padding: 110px 0 50px; }
    .page-hero h1 { font-size: clamp(1.5rem, 5vw, 2.2rem); }

    /* --- Form Mobil --- */
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 24px 20px; }
    .form-control { padding: 14px 16px; font-size: 16px; }

    /* --- Sektör Kartları Mobil --- */
    .sector-card { padding: 16px 18px; }
    .sector-icon { width: 42px; height: 42px; font-size: 1.1rem; }

    /* --- İletişim Mobil --- */
    .contact-info-card { padding: 18px; }
    .contact-info-icon { width: 42px; height: 42px; }

    /* --- FAQMobil --- */
    .faq-question { padding: 16px 18px; font-size: 0.92rem; }
    .faq-answer-inner { padding: 0 18px 16px; font-size: 0.88rem; }

    /* --- About Mobil --- */
    .about-grid { gap: 32px; }
    .about-list li { font-size: 0.88rem; }
    .about-image-badge { padding: 12px 16px; bottom: 16px; left: 16px; }
    .about-image-badge .number { font-size: 1.5rem; }

    /* --- Güven Bandı Mobil --- */
    .marquee-item { font-size: 0.82rem; gap: 8px; }
    .trust-bar { padding: 10px 0; }
}

/* ===== BREAKPOINT 2: BÜYÜK TELEFON (480px) ===== */
@media (max-width: 480px) {
    :root { --container-px: 16px; }

    h1 { font-size: 1.7rem; }
    h2 { font-size: 1.4rem; }
    h3 { font-size: 1.15rem; }
    .section { padding: 40px 0; }
    .lead { font-size: 0.95rem; }

    .header-inner { height: 60px; }
    .logo-text { font-size: 1.1rem; }

    .hero { padding-top: 72px; }
    .hero-badge { font-size: 0.78rem; padding: 6px 14px; margin-bottom: 16px; }
    .hero h1 { font-size: 1.6rem; margin-bottom: 14px; }
    .hero-desc { font-size: 0.88rem; margin-bottom: 24px; }
    .hero-stats { gap: 12px; margin-top: 32px; padding-top: 20px; }
    .hero-stat h3 { font-size: 1.5rem; }
    .hero-stat p { font-size: 0.78rem; }

    .btn { padding: 12px 24px; font-size: 0.88rem; }
    .btn-lg { padding: 14px 28px; font-size: 0.95rem; }
    .btn-sm { padding: 10px 18px; font-size: 0.82rem; }

    .category-card-img { height: 160px; }
    .product-card-img { height: 180px; }
    .product-card-body h4 { font-size: 0.95rem; }
    .product-card-body p { font-size: 0.8rem; }
    .product-card-footer .price { font-size: 0.95rem; }

    .feature-card { padding: 20px; }
    .feature-icon { width: 52px; height: 52px; font-size: 1.3rem; }
    .feature-card h4 { font-size: 1rem; }
    .feature-card p { font-size: 0.82rem; }

    .stat-item { padding: 12px 8px; }
    .stat-number { font-size: 1.8rem; }
    .stat-label { font-size: 0.78rem; }

    .contact-form { padding: 20px 16px; }
    .section-header .line { width: 48px; margin-top: 16px; }

    .cta-inner { padding: 24px 16px; }
    .cta-inner h2 { font-size: 1.3rem; }
    .cta-inner p { font-size: 0.85rem; }

    .page-hero { padding: 90px 0 40px; }
    .breadcrumbs { font-size: 0.78rem; }

    .faq-question { font-size: 0.88rem; padding: 14px 16px; }

    .footer-brand p { font-size: 0.82rem; }
    .footer-links a { font-size: 0.82rem; }
    .footer-contact li { font-size: 0.82rem; }
    .footer-bottom p { font-size: 0.78rem; }
}

/* ===== BREAKPOINT 1: KÜÇÜK TELEFON (320px-360px) ===== */
@media (max-width: 360px) {
    :root { --container-px: 12px; }

    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.25rem; }
    .hero h1 { font-size: 1.35rem; }
    .hero-desc { font-size: 0.82rem; }
    .hero-badge { font-size: 0.72rem; }
    .hero-stat { flex: 0 0 48%; }
    .hero-stat h3 { font-size: 1.3rem; }

    .btn { padding: 11px 20px; font-size: 0.82rem; min-height: 44px; }
    .header-inner { height: 56px; }
    .logo-text { font-size: 1rem; }

    .section { padding: 32px 0; }
    .section-header { margin-bottom: 20px; }

    .category-card-img { height: 140px; }
    .product-card-img { height: 160px; }

    .feature-card { padding: 16px; }
    .feature-icon { width: 44px; height: 44px; font-size: 1.1rem; }

    .nav.mobile-open { padding: 70px 16px 16px; }
    .nav.mobile-open .nav-link { padding: 14px 14px; font-size: 0.95rem; }

    .whatsapp-float { bottom: 72px; right: 12px; }
    .whatsapp-btn { width: 46px; height: 46px; font-size: 1.3rem; }
    .back-to-top { left: 12px; width: 34px; height: 34px; }

    .phone-sticky a { padding: 10px; font-size: 0.82rem; }
}

/* ===== DESKTOP HOVER ENHANCEMENTS ===== */
@media (hover: hover) and (pointer: fine) {
    .category-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-glow-primary), var(--shadow-lg); }
    .product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
    .feature-card:hover { transform: translateY(-8px); }
    .sector-card:hover { transform: translateX(8px); box-shadow: var(--shadow-md); }
    .contact-info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
    .faq-item:hover { border-color: rgba(255,107,44,0.2); }
    .ref-logo:hover { transform: scale(1.06); }
    .footer-social a:hover { transform: translateY(-4px) scale(1.1); }
    .btn-primary:hover { transform: translateY(-3px) scale(1.02); }
    .btn-whatsapp:hover { transform: translateY(-3px) scale(1.02); }
}
/* Touch devices: disable hover transforms to prevent sticky states */
@media (hover: none) {
    .category-card:hover, .product-card:hover, .feature-card:hover,
    .sector-card:hover, .contact-info-card:hover { transform: none; }
    .btn-primary:active { transform: scale(0.97); opacity: 0.9; }
    .btn-whatsapp:active { transform: scale(0.97); opacity: 0.9; }
}

/* ===== iOS SAFE AREA ===== */
@supports (padding: env(safe-area-inset-bottom)) {
    .phone-sticky { padding-bottom: calc(10px + env(safe-area-inset-bottom)); }
    .footer { padding-bottom: env(safe-area-inset-bottom); }
    body { padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right); }
}

/* ===== LANDSCAPE MODE ===== */
@media (max-height: 700px) and (orientation: landscape) {
    .hero { min-height: auto; padding-top: 72px; }
    .hero-content { padding: 20px 0; }
    .hero h1 { font-size: 1.6rem; }
    .hero-stats { margin-top: 16px; padding-top: 12px; gap: 16px; }
    .section { padding: 32px 0; }
    .page-hero { padding: 90px 0 30px; }
    .whatsapp-float { bottom: 12px; }
    .back-to-top { bottom: 12px; }
}

/* ===== MOBİLDE AĞIR ANİMASYONLARI DURDUR ===== */
@media (max-width: 768px) {
    .hero-bg::before { animation: none; opacity: 0.8; }
    .hero-particles { display: none; }
    .marquee { animation-duration: 45s; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    .hero-image { animation: none; }
    .marquee { animation: none; }
    .whatsapp-btn { animation: none; }
}

/* ===== DARK MODE KALDIRILDI — Daima açık tema ===== */

/* ===== PROFESYONEL B2B GÜVEN ROZETLERI ===== */
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255, 214, 0, 0.08);
    border: 1px solid rgba(255, 214, 0, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--secondary);
    white-space: nowrap;
}
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

/* ===== AEO CEVAP KUTUSU ===== */
.aeo-answer {
    border-left: 4px solid var(--primary);
    background: rgba(255, 107, 44, 0.05);
    padding: 20px 24px;
    margin: 24px 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text-primary);
}
.aeo-answer strong { color: var(--text-white); }

/* ===== TOPTAN FİYAT HESAPLAYICI KUTUSU ===== */
.bulk-pricing-highlight {
    background: linear-gradient(135deg, rgba(255, 107, 44, 0.08), rgba(255, 214, 0, 0.05));
    border: 1px solid rgba(255, 107, 44, 0.15);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin: 24px 0;
}
.bulk-pricing-highlight h3 {
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

/* ===== SEKTÖR / ŞEHİR ÖZET KART ===== */
.city-summary-card,
.sector-summary-card {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    margin: 24px 0;
}
.summary-stat {
    text-align: center;
}
.summary-stat .stat-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}
.summary-stat .stat-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== FOCUS-VISIBLE (Erişilebilirlik) ===== */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ===== SKIP NAVIGATION (Erişilebilirlik) ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 var(--radius-sm) 0;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
    color: white;
}

/* ===== CONTENT LOADING SKELETON ===== */
@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 0px, var(--bg-card-hover) 40px, var(--bg-card) 80px);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* ===== PRINT STYLESHEET ===== */
@media print {
    .header, .phone-sticky, .whatsapp-float, .back-to-top,
    .menu-toggle, .hero-particles, .cta-section { display: none !important; }
    body { background: white; color: #333; font-size: 12pt; }
    .hero { min-height: auto; padding: 20px 0; background: none; }
    .hero-bg { display: none; }
    a { color: #333; text-decoration: underline; }
    a[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #666; }
    .section { padding: 20px 0; page-break-inside: avoid; }
    .grid { display: block; }
    .grid > * { margin-bottom: 16px; }
    .footer { border-top: 1px solid #ccc; padding-top: 20px; }
}

/* ===== LANGUAGE SELECTOR ===== */
.lang-selector {
    position: relative;
    margin-right: 12px;
}

.lang-toggle {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-white, #e0e8f0);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.lang-toggle:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(0,212,170,0.3);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(13,27,42,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 6px;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s ease;
    z-index: 1001;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.lang-selector.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--text-muted, #7a8fa6);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.lang-option:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text-white, #e0e8f0);
}

.lang-option.active {
    background: rgba(0,212,170,0.15);
    color: var(--accent, #00d4aa);
    font-weight: 600;
}

/* Mobile: lang selector in nav */
@media (max-width: 768px) {
    .lang-selector {
        margin-right: 8px;
    }
    .lang-toggle {
        padding: 5px 8px;
        font-size: 0.75rem;
    }
    .lang-dropdown {
        right: -20px;
    }
}

/* ===== P0 VISUAL QUALITY OVERRIDE - 2026-05-17 ===== */
body {
    background: #f4f7f5;
    color: #21302b;
    -webkit-user-select: auto;
    -ms-user-select: auto;
    user-select: auto;
}

.hero {
    min-height: 760px;
    padding-top: 96px;
    background:
        linear-gradient(90deg, #f7faf8 0%, #f7faf8 54%, #e9efec 54%, #e9efec 100%);
    color: #17231f;
}

.hero-bg,
.hero-particles {
    display: none;
}

.hero-content {
    max-width: 690px;
    padding: 44px 0 58px;
}

.hero-badge {
    background: #fff2e9;
    border-color: #ffd5bf;
    color: #b94716;
    margin-bottom: 16px;
}

.hero-authority-links {
    margin: 0 0 22px;
    padding: 12px 14px;
    max-width: 620px;
    background: #ffffff;
    border: 1px solid #d8e4de;
    border-radius: 8px;
    color: #5d6b66;
    box-shadow: 0 8px 24px rgba(23,35,31,0.06);
}

.hero-authority-links span {
    color: #34463f;
}

.hero-authority-links a {
    color: #c74f17;
    border-bottom-color: rgba(199,79,23,0.35);
}

.hero-authority-links a:hover {
    color: #0f6b57;
    border-bottom-color: #0f6b57;
}

.hero h1 {
    color: #17231f;
    font-size: clamp(2.4rem, 4.9vw, 4.25rem);
    line-height: 1.08;
}

.hero-desc {
    color: #586b64;
    max-width: 660px;
}

.hero .btn-outline {
    color: #17231f;
    border-color: #b8c8c0;
    background: #ffffff;
}

.hero .btn-outline:hover {
    border-color: var(--primary);
    background: #fff6f0;
}

.hero-stats {
    margin-top: 34px;
    border-top-color: #d6e2dc;
}

.hero-stat p {
    color: #586b64;
}

.hero-image {
    width: 34%;
    max-width: 440px;
    right: 7%;
}

.hero-image img {
    max-height: 58vh;
    background: #ffffff;
    border: 1px solid #d9e2de;
    box-shadow: 0 18px 50px rgba(23,35,31,0.16);
}

.section,
.section-alt {
    background-color: #f4f7f5;
}

.product-card,
.category-card,
.feature-card,
.contact-info-card,
.contact-form,
.faq-item {
    background: #ffffff;
    border-color: #d9e2de;
}

.product-card-body h4,
.category-card-content h3,
.feature-card h3,
.contact-info-card h4,
.faq-question,
.section-header h2,
h2,
h3,
h4 {
    color: #17231f;
}

.product-card-body p,
.category-card-content p,
.feature-card p,
.section-header .lead,
p {
    color: #586b64;
}

@media (max-width: 1024px) {
    .hero {
        min-height: auto;
        background: #f7faf8;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 92px;
    }
    .hero-authority-links {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }
}

/* ==========================================================================
   PREMIUM B2B PRODUCT GALLERY STYLES (2026-05-24)
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 30px;
}
.gallery-card {
    background: #ffffff;
    border: 1px solid #d9e2de;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}
.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(23,35,31,0.12);
    border-color: var(--primary);
}
.gallery-card-img {
    position: relative;
    padding-bottom: 100%;
    cursor: pointer;
    overflow: hidden;
    background: #f7faf8;
}
.gallery-card-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.gallery-card:hover .gallery-card-img img {
    transform: scale(1.06);
}
.gallery-hover-overlay {
    position: absolute;
    inset: 0;
    background: rgba(23,35,31,0.25);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
.gallery-card:hover .gallery-hover-overlay {
    opacity: 1;
}
.gallery-hover-btn {
    background: #ffffff;
    color: #17231f;
    padding: 10px 20px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 4px 12px rgba(23,35,31,0.15);
}
.gallery-card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    border-top: 1px solid #d9e2de;
}
.gallery-card-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: #17231f;
    line-height: 1.3;
}
.gallery-card-content p {
    font-size: 0.88rem;
    color: #586b64;
    margin: 0 0 16px 0;
    line-height: 1.5;
}
.gallery-specs {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 16px;
    border-top: 1px dashed #d9e2de;
    padding-top: 12px;
}
.gallery-card .btn-whatsapp {
    margin-top: auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    font-weight: 700;
    font-size: 0.9rem;
    background: #25d366;
    color: white;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s ease;
}
.gallery-card .btn-whatsapp:hover {
    background: #20ba59;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37,211,102,0.3);
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}