/* ==========================================================================
   PASPAYI (plastikpaspayi.com.tr) Bağımsız Landing Page - Saf CSS3 Tasarım Sistemi
   Sıfır CDN / Tipografi, Cam Efekti, Animasyonlar ve Responsive Düzen
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Değişkenleri ve Temel Ayarlar
   -------------------------------------------------------------------------- */
:root {
    /* Renk Paleti - Mühendislik ve İnşaat Temalı Koyu/Canlı Akrilik */
    --bg-dark: #0b0f19;
    --bg-card: #131927;
    --bg-card-hover: #1c2538;
    --bg-glass: rgba(19, 25, 39, 0.75);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(245, 158, 11, 0.3);
    
    /* Vurgu Renkleri */
    --primary: #f59e0b;        /* Enerjik Güneş / İnşaat Sarısı-Turuncu */
    --primary-hover: #d97706;
    --primary-glow: rgba(245, 158, 11, 0.25);
    
    --secondary: #3b82f6;      /* Mühendislik Mavisi */
    --secondary-hover: #2563eb;
    --secondary-glow: rgba(59, 130, 246, 0.25);
    
    --accent-green: #10b981;   /* Onay / Standart Uyumluluk Yeşil */
    --accent-green-bg: rgba(16, 185, 129, 0.12);
    
    /* Metin Renkleri */
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-light: #6b7280;
    --text-white: #ffffff;
    
    /* Tipografi - Yerel Sistem Font Yığını (Sıfır CDN) */
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    
    /* Gölgeler ve Yuvarlamalar */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px var(--primary-glow);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base Normalization */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(59, 130, 246, 0.04) 0%, transparent 40%);
    background-attachment: fixed;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

/* --------------------------------------------------------------------------
   2. Ortak Utility ve Düzen Sınıfları
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
    position: relative;
}

.section-title-wrap {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 3.5rem auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.3rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-white);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-title span {
    background: linear-gradient(135deg, var(--primary) 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Cam Efektli Kart */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(245, 158, 11, 0.25);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

/* Buton Tasarımları */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.85rem 1.5rem;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-bounce);
    text-align: center;
    max-width: 100%;
    word-break: break-word;
    box-sizing: border-box;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: #0b0f19;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
    filter: brightness(1.05);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: rgba(245, 158, 11, 0.1);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   3. Top Duyuru Barı ve Üst Navigasyon
   -------------------------------------------------------------------------- */
.top-bar {
    background: linear-gradient(90deg, #1e1b4b 0%, #0f172a 50%, #1e1b4b 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
    padding: 0.5rem 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.top-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
}

.top-notice-badge {
    background: var(--primary);
    color: #000;
    font-weight: 800;
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.top-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-muted);
}

.top-links a:hover {
    color: var(--primary);
}

/* Header Navbar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.45rem;
    font-weight: 900;
    color: var(--text-white);
    letter-spacing: -0.03em;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary) 0%, #f97316 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    fill: #0b0f19;
}

.logo-domain {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    display: block;
    margin-top: -3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

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

.header-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-white);
    cursor: pointer;
    padding: 0.5rem;
}

/* --------------------------------------------------------------------------
   4. Hero Showcase Bölümü
   -------------------------------------------------------------------------- */
.hero-section {
    padding: 4.5rem 0 5.5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-headline {
    font-size: 3.1rem;
    font-weight: 900;
    line-height: 1.18;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-headline span.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, var(--primary) 60%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2.2rem;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.85rem;
    font-weight: 900;
    color: var(--text-white);
    line-height: 1.1;
}

.stat-number span {
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.35rem;
}

/* Hero Görsel / Önizleme Kartı */
.hero-visual {
    position: relative;
}

.hero-preview-card {
    background: linear-gradient(145deg, rgba(19, 25, 39, 0.9), rgba(15, 23, 42, 0.95));
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(245, 158, 11, 0.15);
    position: relative;
}

.hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.hero-card-title {
    font-weight: 700;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.product-illustration {
    background: rgba(11, 15, 25, 0.6);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    margin-bottom: 1.5rem;
}

.product-illustration svg {
    margin: 0 auto;
    filter: drop-shadow(0 10px 15px rgba(245, 158, 11, 0.3));
}

.hero-card-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.feature-pill {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-pill svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   5. İnteraktif Paspayı Miktar Hesaplayıcı Widget
   -------------------------------------------------------------------------- */
.calculator-section {
    background: linear-gradient(180deg, rgba(11, 15, 25, 0.5) 0%, rgba(19, 25, 39, 0.8) 50%, rgba(11, 15, 25, 0.5) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   5. İnteraktif Miktar Hesaplayıcı (Mobile-First CSS Mimarisi)
   -------------------------------------------------------------------------- */
.calculator-wrapper {
    background: var(--bg-card);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-md);
    padding: 1.25rem 0.85rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.calc-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.calc-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    width: 100%;
}

.calc-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin: 0;
    width: 100%;
}

.calc-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.3;
}

.calc-select, 
.calc-input {
    width: 100%;
    height: 48px;
    padding: 0 1rem;
    background-color: rgba(11, 15, 25, 0.85);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-size: 0.92rem;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f59e0b' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
    padding-right: 2.5rem;
}

.calc-input {
    background-image: none;
    padding-right: 3rem;
}

.calc-select:focus, 
.calc-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    outline: none;
}

.calc-input-group {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
}

.calc-unit {
    position: absolute;
    right: 1rem;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    pointer-events: none;
}

.calc-row-2 {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    width: 100%;
}

/* Hesaplama Sonuç Kartı */
.calc-result-box {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.95), rgba(11, 15, 25, 0.98));
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-md);
    padding: 1.25rem 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    width: 100%;
    box-sizing: border-box;
}

.calc-result-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.calc-result-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calc-result-title::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

.result-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    width: 100%;
}

.metric-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 0.85rem 0.4rem;
    text-align: center;
}

.metric-val {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.metric-lbl {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    font-weight: 600;
}

.calc-recommendation {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-sm);
    padding: 0.85rem;
}

.rec-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.35rem;
}

.rec-text {
    font-size: 0.92rem;
    color: var(--text-white);
    font-weight: 700;
}

/* Masaüstü ve Tablet Geliştirmeleri (Mobile-First Breakpointler) */
@media (min-width: 640px) {
    .calculator-wrapper {
        padding: 2rem;
    }

    .calc-row-2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
    }

    .calc-result-box {
        padding: 1.75rem;
    }

    .metric-val {
        font-size: 1.75rem;
    }

    .metric-lbl {
        font-size: 0.75rem;
    }
}

@media (min-width: 1024px) {
    .calculator-wrapper {
        padding: 2.75rem;
        border-radius: var(--radius-lg);
    }

    .calc-grid {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 2.75rem;
        align-items: stretch;
    }

    .calc-result-box {
        padding: 2.25rem;
        border-radius: var(--radius-md);
    }

    .metric-val {
        font-size: 2.1rem;
    }
}

/* --------------------------------------------------------------------------
   6. Filtrelenebilir Ürün Kataloğu (Product Showcase)
   -------------------------------------------------------------------------- */
/* Mobile-First Responsive Product Tabs Grid (Masaüstü 4'lü Grid) */
.product-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 3rem;
    max-width: 1080px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .product-tabs {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.85rem;
    }
}

.tab-btn {
    width: 100%;
    text-align: center;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tab-btn:hover, .tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #0b0f19;
    box-shadow: 0 4px 15px var(--primary-glow);
}

/* Mobile-First Responsive Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* Tablet (2 Kolon) */
@media (min-width: 640px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* Masaüstü (3 Kolon) */
@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.75rem;
    }
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: rgba(245, 158, 11, 0.35);
    box-shadow: var(--shadow-lg);
}

.product-img-wrap {
    height: 200px;
    background: radial-gradient(circle at center, rgba(30, 41, 59, 0.8) 0%, rgba(11, 15, 25, 0.95) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.product-img-wrap a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.product-img-wrap img {
    max-height: 150px;
    max-width: 85%;
    object-fit: contain;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.6));
    transition: var(--transition-bounce);
}

.product-card:hover .product-img-wrap img,
.product-img-wrap a:hover img {
    transform: scale(1.1) translateY(-4px);
}

.product-category-tag {
    display: inline-block;
    align-self: flex-start;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: var(--primary);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.6rem;
}

.product-info {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-name {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.product-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.45;
}

.product-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    background: rgba(11, 15, 25, 0.5);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 1rem;
    font-size: 0.78rem;
}

.spec-item span.lbl {
    color: var(--text-muted);
    display: block;
}

.spec-item span.val {
    color: var(--text-white);
    font-weight: 700;
}

.product-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

/* --------------------------------------------------------------------------
   7. TS 500 ve Eurocode 2 Standartlar Matrisi Tablosu
   -------------------------------------------------------------------------- */
.standards-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow-x: auto;
    box-shadow: var(--shadow-md);
}

.standards-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 680px;
}

.standards-table th {
    background: rgba(15, 23, 42, 0.95);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 1.1rem 1.25rem;
    border-bottom: 2px solid rgba(245, 158, 11, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.standards-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
    color: var(--text-main);
}

.standards-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.tag-compliance {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--accent-green);
    font-weight: 700;
    font-size: 0.82rem;
}

/* Neden Paspayı Kartları Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3.5rem;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: var(--transition-normal);
}

.benefit-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.benefit-icon {
    width: 52px;
    height: 52px;
    background: rgba(245, 158, 11, 0.12);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.25rem;
}

.benefit-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 0.65rem;
}

.benefit-text {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   8. 3 Adımlı Paspayı Seçim Asistanı Wizard
   -------------------------------------------------------------------------- */
.wizard-box {
    background: var(--bg-card);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    margin: 0 auto;
}

.wizard-steps-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    position: relative;
}

.wizard-steps-indicator::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.w-step {
    position: relative;
    z-index: 2;
    text-align: center;
}

.w-num {
    width: 38px;
    height: 38px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--text-muted);
    margin: 0 auto 0.5rem auto;
    transition: var(--transition-fast);
}

.w-step.active .w-num {
    border-color: var(--secondary);
    background: var(--secondary);
    color: #fff;
    box-shadow: 0 0 15px var(--secondary-glow);
}

.w-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
}

.w-step.active .w-label {
    color: var(--text-white);
}

.wizard-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.wizard-opt-card {
    background: rgba(11, 15, 25, 0.6);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.wizard-opt-card:hover, .wizard-opt-card.selected {
    border-color: var(--secondary);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-3px);
}

.wizard-opt-card svg {
    margin: 0 auto 0.75rem auto;
    color: var(--secondary);
}

.wizard-opt-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-white);
}

/* --------------------------------------------------------------------------
   9. SSS (Accordion) Alanı
   -------------------------------------------------------------------------- */
.faq-wrapper {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-header {
    padding: 1.25rem 1.5rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.faq-header:hover {
    color: var(--primary);
}

.faq-icon {
    width: 24px;
    height: 24px;
    transition: var(--transition-normal);
    color: var(--primary);
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
    background: rgba(11, 15, 25, 0.4);
}

.faq-content {
    padding: 0 1.5rem 1.35rem 1.5rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1rem;
}

/* --------------------------------------------------------------------------
   10. CTA Yönlendirme Bannerı & Domain Güçlendirme
   -------------------------------------------------------------------------- */
.cta-banner-section {
    padding: 5rem 0;
}

.cta-banner-card {
    background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 40%, #1e293b 100%);
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 4rem 2.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 50px rgba(245, 158, 11, 0.2);
}

.cta-banner-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 2.25rem auto;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   11. Footer (Alt Bilgi)
   -------------------------------------------------------------------------- */
.site-footer {
    background: #070a12;
    border-top: 1px solid var(--border-color);
    padding: 4.5rem 0 2rem 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-col-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 1.25rem;
    position: relative;
}

.footer-col-title::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background: var(--primary);
    margin-top: 0.4rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

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

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.contact-item svg {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
}

.seo-domain-note {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 1.5rem;
    text-align: center;
}

/* --------------------------------------------------------------------------
   12. Yüzen Hızlı Erişme ve Mobil Butonları (Floating Bar)
   -------------------------------------------------------------------------- */
.floating-actions {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: var(--transition-bounce);
    position: relative;
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-whatsapp {
    background: #25d366;
}

.float-phone {
    background: var(--secondary);
}

.float-top {
    background: rgba(19, 25, 39, 0.9);
    border: 1px solid var(--border-color);
    color: var(--text-white);
}

/* --------------------------------------------------------------------------
   13. Responsive (Mobil & Tablet Uyum - SIFIR TAŞMA GARANTİSİ)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .top-bar-inner {
        justify-content: center;
        text-align: center;
    }
    
    .top-notice {
        display: block;
        text-align: center;
        font-size: 0.8rem;
        line-height: 1.5;
    }
    
    .top-notice-badge {
        display: inline-block;
        vertical-align: middle;
        margin-right: 0.35rem;
        margin-bottom: 2px;
        font-size: 0.65rem;
        padding: 0.15rem 0.45rem;
    }
    
    .top-links {
        display: none;
    }

    .floating-actions {
        bottom: 1rem;
        right: 0.85rem;
        gap: 0.5rem;
    }

    .float-btn {
        width: 44px;
        height: 44px;
    }

    .float-btn svg {
        width: 20px;
        height: 20px;
    }

    .hero-section {
        padding: 2.5rem 0 3.5rem 0;
    }

    .hero-headline {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.98rem;
        margin-bottom: 1.75rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    
    .hero-actions .btn {
        width: 100%;
        padding: 0.8rem 1rem;
    }

    .hero-preview-card {
        padding: 1.25rem;
    }
    
    .section-title {
        font-size: 1.65rem;
    }

    /* Kategori Sekmeleri - Mobilde Kaydırılabilir Şık Hap Butonlar */
    .product-tabs {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 0.5rem;
        padding: 0.5rem 0.25rem 0.85rem 0.25rem;
        margin-bottom: 2rem;
        scrollbar-width: none;
        max-width: 100%;
    }
    
    .product-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .tab-btn {
        flex: 0 0 auto;
        width: auto;
        padding: 0.65rem 1rem;
        font-size: 0.82rem;
        white-space: nowrap;
        border-radius: var(--radius-full);
    }

    .wizard-box {
        padding: 1.25rem 1rem;
    }

    .wizard-steps-indicator::before {
        left: 5%;
        right: 5%;
    }

    .w-label {
        font-size: 0.72rem;
    }

    .wizard-options-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        width: 100%;
        background: rgba(11, 15, 25, 0.98);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1.25rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .hero-stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-banner-card {
        padding: 2rem 1.25rem;
    }
    
    .cta-title {
        font-size: 1.6rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-buttons .btn {
        width: 100%;
        padding: 0.85rem 1rem;
        font-size: 0.95rem !important;
    }
}

@media (max-width: 576px) {

    .header-inner {
        padding-top: 0.55rem;
        padding-bottom: 0.55rem;
    }
    
    .logo {
        font-size: 1.05rem;
    }
    
    .logo-domain {
        font-size: 0.62rem;
    }
    
    .header-cta {
        gap: 0.35rem;
    }
    
    .header-cta .btn-primary {
        padding: 0.45rem 0.65rem;
        font-size: 0.76rem;
        gap: 0.2rem;
    }
    
    .header-cta .btn-primary svg {
        width: 12px;
        height: 12px;
    }
}