/* ============================================
   SOĞUK ODA KAPI SİSTEMLERİ - LANDING PAGE CSS
   B2B Profesyonel Tasarım
   ============================================ */

/* ========== CSS VARIABLES ========== */
:root {
    /* Colors - Professional Blue/Gray Palette */
    --primary-blue: #1a365d;
    --primary-blue-dark: #0f2540;
    --primary-blue-light: #2563eb;
    --secondary-blue: #3b82f6;
    --accent-blue: #60a5fa;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --success: #16a34a;
    --error: #dc2626;
    --warning: #f59e0b;

    --white: #ffffff;
    --black: #000000;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    /* 12px */
    --font-size-sm: 0.875rem;
    /* 14px */
    --font-size-base: 1rem;
    /* 16px */
    --font-size-lg: 1.125rem;
    /* 18px */
    --font-size-xl: 1.25rem;
    /* 20px */
    --font-size-2xl: 1.5rem;
    /* 24px */
    --font-size-3xl: 1.875rem;
    /* 30px */
    --font-size-4xl: 2.25rem;
    /* 36px */
    --font-size-5xl: 3rem;
    /* 48px */

    /* Spacing */
    --spacing-xs: 0.5rem;
    /* 8px */
    --spacing-sm: 1rem;
    /* 16px */
    --spacing-md: 1.5rem;
    /* 24px */
    --spacing-lg: 2rem;
    /* 32px */
    --spacing-xl: 3rem;
    /* 48px */
    --spacing-2xl: 4rem;
    /* 64px */
    --spacing-3xl: 6rem;
    /* 96px */

    /* Layout */
    --container-max-width: 1280px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary-blue-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-blue);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========== TYPOGRAPHY ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-sm);
}

/* ========== LAYOUT ========== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

section {
    padding: var(--spacing-3xl) 0;
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-2xl) 0;
    }
}

/* ========== SECTION HEADERS ========== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: var(--font-size-4xl);
    }
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    color: var(--white);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-blue-light);
    border: 2px solid var(--primary-blue-light);
}

.btn-outline:hover {
    background-color: var(--primary-blue-light);
    color: var(--white);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* ========== NAVIGATION ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: none;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
    margin: 0;
    padding: 0;
}

@media (min-width: 1024px) {
    .nav-menu {
        display: flex !important;
        position: static;
        background: transparent;
        flex-direction: row;
        padding: 0;
        box-shadow: none;
        max-height: none;
        overflow: visible;
        transform: none;
        opacity: 1;
        width: auto;
        height: auto;
        pointer-events: all;
    }

    .nav-menu::before,
    .nav-menu::after {
        display: none;
    }

    .nav-menu-content {
        display: contents;
        padding: 0;
        min-height: auto;
        background: transparent;
    }

    .nav-menu-close {
        display: none;
    }

    .nav-menu-section {
        display: contents;
        margin: 0;
        opacity: 1;
        transform: none;
    }

    .nav-menu-section-title {
        display: none;
    }

    .nav-menu-list {
        display: contents;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-menu-list li {
        width: auto;
        margin: 0;
    }

    .nav-menu-list a {
        display: block;
        padding: 0;
        background: transparent;
        border: none;
        transform: none;
        box-shadow: none;
        color: var(--gray-700);
        font-weight: 500;
        font-size: var(--font-size-sm);
    }

    .nav-menu-list a span {
        display: inline;
    }

    .nav-menu-list a svg {
        display: none;
    }

    /* Language Switcher */
    .lang-switcher {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 4px 8px;
        background: var(--gray-50);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
    }

    .lang-option {
        display: flex !important;
        align-items: center;
        padding: 2px !important;
        opacity: 0.5;
        transition: opacity var(--transition-fast) !important;
        background: none !important;
        border: none !important;
    }

    .lang-option:hover,
    .lang-option.active {
        opacity: 1;
        background: none !important;
        transform: none !important;
        box-shadow: none !important;
    }

    .lang-option svg {
        display: block !important;
        transition: transform var(--transition-fast);
    }

    .lang-option.active svg {
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
        transform: scale(1.05);
    }

    .lang-divider {
        width: 1px;
        height: 16px;
        background-color: var(--gray-300);
    }

    .nav-menu-contact,
    .nav-menu-cta {
        display: none;
    }

    /* Dropdown menü masaüstünde görünür */
    .nav-dropdown {
        position: relative;
    }

    .nav-dropdown .dropdown-menu {
        display: block;
    }
}

@media (max-width: 1023px) {

    /* Ripple/Damla efekti için container */
    .mobile-menu-ripple {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 998;
        overflow: hidden;
    }

    .mobile-menu-ripple::before {
        content: '';
        position: absolute;
        top: var(--ripple-y, 50%);
        left: var(--ripple-x, 50%);
        width: 0;
        height: 0;
        border-radius: 50%;
        background: radial-gradient(circle, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
        transform: translate(-50%, -50%);
        opacity: 0;
        transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1),
            height 0.6s cubic-bezier(0.4, 0, 0.2, 1),
            opacity 0.4s ease 0.2s;
    }

    body.menu-opening .mobile-menu-ripple::before {
        width: 200vw;
        height: 200vw;
        opacity: 0.95;
    }

    body.menu-open .mobile-menu-ripple::before {
        width: 200vw;
        height: 200vw;
        opacity: 0.95;
    }

    .nav-menu {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
        flex-direction: column;
        padding: 0;
        box-shadow: none;
        max-height: 100vh;
        overflow-y: auto;
        overflow-x: hidden;
        transform: scale(0.8) translateY(-20px);
        opacity: 0;
        transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
            opacity 0.4s ease 0.2s;
        z-index: 999;
        width: 100%;
        height: 100vh;
        pointer-events: none;
        -webkit-overflow-scrolling: touch;
    }

    .nav-menu.active {
        transform: scale(1) translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    /* Menu header - sabit beyaz alan */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 70px;
        background: var(--white);
        border-bottom: 1px solid var(--border-color);
        z-index: 1000;
        pointer-events: none;
    }

    .nav-menu-content {
        padding: calc(70px + var(--spacing-md)) var(--spacing-lg) var(--spacing-xl);
        width: 100%;
        max-width: 100%;
        min-height: calc(100vh - 70px);
        background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
        position: relative;
        z-index: 1;
    }

    /* Kapatma butonu */
    .nav-menu-close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-lg);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--gray-100);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        z-index: 1000;
        opacity: 0;
        transform: scale(0.8);
        transition: all 0.3s ease 0.4s;
    }

    .nav-menu.active .nav-menu-close {
        opacity: 1;
        transform: scale(1);
    }

    .nav-menu-close span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--gray-700);
        position: absolute;
        transition: all 0.3s ease;
    }

    .nav-menu-close span:nth-child(1) {
        transform: rotate(45deg);
    }

    .nav-menu-close span:nth-child(2) {
        transform: rotate(-45deg);
    }

    .nav-menu-close:hover {
        background: var(--gray-200);
    }

    .nav-menu-close:hover span {
        background: var(--primary-blue);
    }

    /* Menü Bölümleri */
    .nav-menu-section {
        margin-bottom: var(--spacing-lg);
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-menu.active .nav-menu-section {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-menu.active .nav-menu-section:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-menu.active .nav-menu-section:nth-child(2) {
        transition-delay: 0.2s;
    }

    .nav-menu.active .nav-menu-section:nth-child(3) {
        transition-delay: 0.3s;
    }

    .nav-menu-section-title {
        font-size: var(--font-size-xs);
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--gray-500);
        margin-bottom: var(--spacing-sm);
        padding: 0 var(--spacing-md);
    }

    .nav-menu-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-menu-list li {
        width: 100%;
        margin-bottom: var(--spacing-xxs);
    }

    .nav-menu-list a {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
        width: 100%;
        color: var(--gray-700);
        font-weight: 500;
        font-size: var(--font-size-base);
        border-radius: var(--border-radius);
        transition: all 0.2s ease;
        position: relative;
        background: var(--white);
        border: 1px solid var(--border-color);
    }

    .nav-menu-list a svg {
        flex-shrink: 0;
        color: var(--primary-blue-light);
        transition: all 0.2s ease;
    }

    .nav-menu-list a:hover {
        background: linear-gradient(90deg, var(--primary-blue-light) 0%, var(--white) 5%);
        color: var(--primary-blue);
        border-color: var(--primary-blue-light);
        transform: translateX(4px);
        box-shadow: 0 2px 8px rgba(26, 54, 93, 0.1);
    }

    .nav-menu-list a:hover svg {
        color: var(--primary-blue);
        transform: scale(1.1);
    }

    /* İletişim Bölümü */
    .nav-menu-contact {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-menu-contact-item {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
        background: var(--white);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        text-decoration: none;
        transition: all 0.2s ease;
    }

    .nav-menu-contact-item svg {
        flex-shrink: 0;
        color: var(--primary-blue-light);
    }

    .nav-menu-contact-label {
        font-size: var(--font-size-xs);
        color: var(--gray-500);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 2px;
    }

    .nav-menu-contact-value {
        font-size: var(--font-size-sm);
        color: var(--gray-900);
        font-weight: 600;
    }

    .nav-menu-contact-item:hover {
        background: var(--gray-50);
        border-color: var(--primary-blue-light);
        transform: translateX(4px);
    }

    .nav-menu-contact-item:hover svg {
        color: var(--primary-blue);
    }

    /* CTA Butonları */
    .nav-menu-cta {
        margin-top: var(--spacing-lg);
        padding: var(--spacing-lg);
        background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
        border-radius: var(--border-radius-lg);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease 0.6s, transform 0.4s ease 0.6s;
        box-shadow: 0 8px 16px rgba(26, 54, 93, 0.2);
        position: relative;
        overflow: hidden;
    }

    .nav-menu-cta::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
        animation: pulse 3s ease-in-out infinite;
    }

    @keyframes pulse {

        0%,
        100% {
            transform: scale(1);
            opacity: 0.5;
        }

        50% {
            transform: scale(1.1);
            opacity: 0.8;
        }
    }

    .nav-menu.active .nav-menu-cta {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-menu-cta-icon {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        margin-bottom: var(--spacing-xs);
    }

    .nav-menu-cta-icon svg {
        color: white;
    }

    .nav-menu-cta-title {
        color: white;
        font-size: var(--font-size-lg);
        font-weight: 700;
        text-align: center;
        margin-bottom: var(--spacing-xxs);
    }

    .nav-menu-cta-subtitle {
        color: rgba(255, 255, 255, 0.9);
        font-size: var(--font-size-sm);
        text-align: center;
        margin-bottom: var(--spacing-md);
    }

    .nav-menu-cta-buttons {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }

    .nav-menu-cta-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-xs);
        padding: var(--spacing-md) var(--spacing-lg);
        background: var(--white);
        color: var(--primary-blue);
        text-align: center;
        border-radius: var(--border-radius);
        font-weight: 700;
        font-size: var(--font-size-base);
        text-decoration: none;
        transition: all 0.3s ease;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
        position: relative;
        z-index: 1;
    }

    .nav-menu-cta-btn svg {
        flex-shrink: 0;
    }

    .nav-menu-cta-btn:hover {
        background: var(--gray-50);
        transform: translateY(-2px);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    }

    .nav-menu-cta-btn.primary {
        background: rgba(255, 255, 255, 0.95);
        color: var(--primary-blue-dark);
    }

    .nav-menu-cta-btn.primary:hover {
        background: white;
        color: var(--primary-blue);
    }

    /* Body scroll lock when menu is open */
    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
        height: 100%;
    }

    /* Menü arka planını tam kapla */
    body.menu-open::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
        z-index: 997;
        pointer-events: none;
    }

    /* Mobile menu overlay - artık ripple kullanıyoruz */
    body.menu-open::before {
        display: none;
    }
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    min-width: 200px;
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    list-style: none;
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--gray-700);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.dropdown-menu a:hover {
    background-color: var(--gray-50);
    color: var(--primary-blue);
}

@media (max-width: 1023px) {
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--gray-50);
        margin-top: var(--spacing-xs);
        margin-left: var(--spacing-lg);
    }

    .nav-dropdown:hover .dropdown-menu {
        transform: none;
    }
}

.nav-menu a {
    color: var(--gray-700);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

.nav-menu .cta-btn {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius);
}

.nav-menu .cta-btn:hover {
    background-color: var(--primary-blue-dark);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    transition: all 0.3s ease;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========== HERO SECTION ========== */
.hero {
    padding-top: calc(70px + var(--spacing-3xl));
    background: linear-gradient(135deg, #f9fafb 0%, #e5e7eb 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1.2fr 1fr;
    }
}

.hero h1 {
    font-size: var(--font-size-3xl);
    line-height: 1.1;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: var(--font-size-5xl);
    }
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
}

.benefit-item .icon {
    color: var(--success);
    flex-shrink: 0;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.hero-certifications {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.cert-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.cert-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.cert-logos img {
    height: 60px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.cert-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.hero-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.badge-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-blue);
}

.badge-text {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ========== CLIENT LOGOS ========== */
.clients-section {
    background-color: var(--white);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--gray-200);
}

.clients-title {
    text-align: center;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.clients-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
}

.clients-logos img {
    height: 60px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all var(--transition-base);
}

.clients-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ========== STATS SECTION ========== */
.stats-section {
    background-color: var(--primary-blue);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.stat-description {
    font-size: var(--font-size-sm);
    color: var(--accent-blue);
}

/* ========== PRODUCTION SECTION ========== */
.production-section {
    background-color: var(--gray-50);
}

.production-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
    .production-content {
        grid-template-columns: 1.3fr 1fr;
    }
}

.production-video {
    position: relative;
}

.video-wrapper {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-wrapper img {
    width: 100%;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: none;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.video-play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.production-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--gray-600);
    margin-bottom: 0;
}

/* ========== USAGE AREAS ========== */
.usage-areas-section {
    background-color: var(--white);
    padding: var(--spacing-3xl) 0;
}

.usage-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 768px) {
    .usage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .usage-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

.usage-card {
    background-color: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
}

.usage-card:hover {
    border-color: var(--primary-blue-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.usage-icon {
    width: 64px;
    height: 64px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.usage-card h3 {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.usage-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.usage-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.usage-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.usage-list li strong {
    color: var(--gray-900);
    font-weight: 600;
}

.usage-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 0.375rem 0.75rem;
    background-color: var(--primary-blue);
    color: var(--white);
    font-size: var(--font-size-xs);
    border-radius: 999px;
    font-weight: 600;
}

/* Temperature Ranges Table */
.temperature-ranges {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background-color: var(--gray-50);
    border-radius: var(--border-radius-lg);
}

.temperature-ranges h3 {
    text-align: center;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-2xl);
}

.temp-table-wrapper {
    overflow-x: auto;
}

.temperature-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.temperature-table th,
.temperature-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.temperature-table thead th {
    background-color: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.temperature-table tbody tr:hover {
    background-color: var(--gray-50);
}

.temperature-table tbody tr:last-child td {
    border-bottom: none;
}

.temperature-table td {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.temperature-table td strong {
    color: var(--gray-900);
}

/* Usage CTA */
.usage-cta {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: var(--border-radius-xl);
    color: var(--white);
    text-align: center;
}

.usage-cta-content h3 {
    color: var(--white);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.usage-cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.usage-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.usage-cta-buttons .btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: none;
}

.usage-cta-buttons .btn-secondary:hover {
    background-color: var(--gray-100);
    color: var(--primary-blue-dark);
}

/* ========== PROBLEM-SOLUTION ========== */
.problem-solution {
    background-color: var(--gray-50);
}

.ps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .ps-grid {
        gap: var(--spacing-2xl);
    }
}

.ps-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background-color: var(--gray-50);
    border-radius: var(--border-radius-lg);
}

@media (min-width: 768px) {
    .ps-card {
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
    }
}

.ps-problem,
.ps-solution {
    text-align: center;
}

.ps-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.ps-icon.problem {
    background-color: #fee2e2;
}

.ps-icon.solution {
    background-color: #dcfce7;
}

.ps-arrow {
    font-size: var(--font-size-3xl);
    color: var(--primary-blue-light);
    text-align: center;
    display: none;
}

@media (min-width: 768px) {
    .ps-arrow {
        display: block;
    }
}

.ps-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.ps-card strong {
    color: var(--gray-900);
}

/* ========== PRODUCTS SECTION ========== */
.products-section {
    background-color: var(--gray-50);
}

.product-types {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 768px) {
    .product-types {
        grid-template-columns: repeat(2, 1fr);
    }
}

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
}

.product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.product-content {
    padding: var(--spacing-lg);
}

.product-content h3 {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.product-specs {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-radius: var(--border-radius);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.spec-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-900);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.feature-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--accent-blue);
    color: var(--white);
    font-size: var(--font-size-xs);
    border-radius: 999px;
    font-weight: 500;
}

/* Comparison Table */
.comparison-section {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
}

.comparison-section h3 {
    text-align: center;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xl);
}

.table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table thead th {
    background-color: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
}

.comparison-table tbody tr:hover {
    background-color: var(--gray-50);
}

.comparison-table th[scope="row"] {
    font-weight: 600;
    color: var(--gray-700);
}

/* Download Section */
.download-section {
    margin-top: var(--spacing-2xl);
}

.download-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    border-radius: var(--border-radius-lg);
}

@media (max-width: 768px) {
    .download-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.download-icon {
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
}

.download-content h4 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.download-content p {
    margin: 0;
    opacity: 0.9;
}

/* ========== CERTIFICATIONS ========== */
.certifications-section {
    background-color: var(--white);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.cert-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--gray-50);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.cert-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.cert-image {
    margin-bottom: var(--spacing-md);
}

.cert-image img {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    border-radius: var(--border-radius);
}

.cert-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.cert-card p {
    color: var(--gray-600);
    margin: 0;
    font-size: var(--font-size-sm);
}

.lab-results {
    padding: var(--spacing-2xl);
    background-color: var(--gray-50);
    border-radius: var(--border-radius-lg);
}

.lab-results h3 {
    text-align: center;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xl);
}

.test-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.test-result {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--border-radius);
}

.test-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--success);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
}

.test-info h5 {
    font-size: var(--font-size-base);
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.test-info p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin: 0;
}

/* ========== CASE STUDIES ========== */
.case-studies {
    background-color: var(--gray-50);
}

.cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
}

.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.case-header {
    position: relative;
}

.case-header img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.case-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 0.5rem 1rem;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.case-content {
    padding: var(--spacing-xl);
}

.case-content h3 {
    font-size: var(--font-size-2xl);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
}

.case-section {
    margin-bottom: var(--spacing-lg);
}

.case-section h4 {
    font-size: var(--font-size-lg);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.result-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-radius: var(--border-radius);
}

.result-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-blue);
}

.result-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.case-quote {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--gray-50);
    border-left: 4px solid var(--primary-blue);
    border-radius: var(--border-radius);
    font-style: italic;
    color: var(--gray-700);
}

.case-quote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-style: normal;
    font-weight: 600;
    color: var(--primary-blue);
    font-size: var(--font-size-sm);
}

/* ========== TECHNICAL SPECS ========== */
.tech-specs-section {
    background-color: var(--white);
}

.specs-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
    .specs-content {
        grid-template-columns: 1fr 1fr;
    }
}

.specs-visual {
    position: relative;
}

.specs-visual img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.cad-legend {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--gray-50);
    border-radius: var(--border-radius);
}

.cad-legend h4 {
    margin-bottom: var(--spacing-md);
}

.cad-legend ul {
    list-style: none;
}

.cad-legend li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 0;
}

.legend-marker {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    flex-shrink: 0;
}

.specs-details h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
}

.spec-group {
    margin-bottom: var(--spacing-xl);
}

.spec-group h4 {
    font-size: var(--font-size-lg);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-blue-light);
}

.spec-list {
    list-style: none;
}

.spec-list li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-700);
    line-height: 1.7;
}

.spec-list strong {
    color: var(--gray-900);
}

.cad-download {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--gray-50);
    border-radius: var(--border-radius-lg);
}

.cad-download h4 {
    margin-bottom: var(--spacing-sm);
}

.cad-download p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ========== IMAMOĞLU CTA ========== */
.imamoglu-cta-section {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 60%);
}

.imamoglu-cta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    align-items: center;
}

.imamoglu-cta-text h2 {
    margin: var(--spacing-sm) 0;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    background-color: rgba(26, 54, 93, 0.08);
    color: var(--primary-blue-dark);
    font-weight: 600;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    letter-spacing: 0.02em;
}

.imamoglu-cta-text p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.cta-highlights {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.cta-highlights li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-800);
    font-weight: 600;
}

.cta-highlights li::before {
    content: "✓";
    color: var(--primary-blue);
    font-weight: 700;
}

.imamoglu-cta-actions {
    padding: var(--spacing-xl);
    background-color: var(--primary-blue-dark);
    border-radius: var(--border-radius-xl);
    color: var(--white);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.imamoglu-cta-actions .btn {
    width: 100%;
    justify-content: center;
}

.imamoglu-cta-actions .btn-secondary {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border-color: transparent;
}

.imamoglu-cta-actions .btn-outline {
    border-color: rgba(255, 255, 255, 0.35);
    color: var(--white);
}

.imamoglu-cta-actions .btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

.cta-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* ========== FAQ SECTION ========== */
.faq-section {
    background-color: var(--white);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--gray-50);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--gray-700);
    margin: 0;
}

/* ========== QUOTE FORM ========== */
.quote-section {
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
}

.quote-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
    .quote-wrapper {
        grid-template-columns: 1fr 1.5fr;
    }
}

.quote-intro h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.quote-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.quote-benefits {
    margin-bottom: var(--spacing-xl);
}

.quote-benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.contact-info {
    margin-top: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.contact-item a {
    color: var(--white);
}

.quote-form {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input.error,
.form-group select.error {
    border-color: var(--error);
}

.error-message {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--error);
}

.error-message.show {
    display: block;
}

.checkbox-group {
    margin: var(--spacing-lg) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
}

.checkbox-text {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.checkbox-text a {
    color: var(--primary-blue-light);
    text-decoration: underline;
}

.form-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.form-note svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* ========== FOOTER ========== */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: var(--white);
}

.footer-col h4 {
    color: var(--white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col ul li a {
    color: var(--gray-300);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-700);
    text-align: center;
    font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: var(--gray-300);
    font-size: var(--font-size-sm);
}

.footer-legal a:hover {
    color: var(--white);
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-4px);
}

/* ========== UTILITY CLASSES ========== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ========== ACCESSIBILITY ========== */
*:focus-visible {
    outline: 2px solid var(--primary-blue-light);
    outline-offset: 2px;
}

/* ========== BLOG SECTION (Ana Sayfa) - Modern Tasarım ========== */
.blog-section {
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.blog-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-blue-light), transparent);
}

.blog-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--secondary-blue) 100%);
    color: white;
    border-radius: 999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 1rem;
}

.blog-header-badge svg {
    width: 18px;
    height: 18px;
}

.blog-posts-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 1200px) {
    .blog-posts-grid-modern {
        grid-template-columns: repeat(3, 1fr);
    }

    .blog-posts-grid-modern .featured-post {
        grid-column: span 2;
        grid-row: span 1;
    }
}

.blog-post-card-modern {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-post-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue-light), var(--secondary-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 1;
}

.blog-post-card-modern:hover::before {
    transform: scaleX(1);
}

.blog-post-card-modern:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-8px);
    border-color: var(--primary-blue-light);
}

.blog-post-image-modern {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

.blog-placeholder-image {
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--secondary-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-placeholder-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    opacity: 0.3;
}

.blog-placeholder-image img {
    position: relative;
    z-index: 1;
}

.blog-post-card-modern.featured-post .blog-post-image-modern {
    height: 320px;
}

.blog-post-image-modern img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-post-card-modern:hover .blog-post-image-modern img {
    transform: scale(1.1);
}

.blog-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(26, 54, 93, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.blog-post-card-modern:hover .blog-image-overlay {
    opacity: 1;
}

.blog-category-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
}

.blog-category-badge a {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: var(--primary-blue);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.blog-category-badge a:hover {
    background: var(--primary-blue);
    color: white;
    transform: scale(1.05);
}

.blog-category-badge svg {
    width: 14px;
    height: 14px;
}

.blog-post-content-modern {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.blog-post-date-modern,
.blog-post-views {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    font-weight: 500;
}

.blog-post-date-modern svg,
.blog-post-views svg {
    width: 16px;
    height: 16px;
    color: var(--primary-blue-light);
}

.blog-post-title-modern {
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.blog-post-title-modern a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-post-title-modern a:hover {
    color: var(--primary-blue);
}

.blog-post-card-modern.featured-post .blog-post-title-modern {
    font-size: 1.625rem;
}

.blog-post-excerpt-modern {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-post-card-modern.featured-post .blog-post-excerpt-modern {
    -webkit-line-clamp: 4;
    font-size: var(--font-size-base);
}

.blog-post-footer-modern {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.blog-post-author {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    font-weight: 500;
}

.blog-post-author svg {
    width: 16px;
    height: 16px;
    color: var(--gray-400);
}

.blog-read-more-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-blue-light);
    text-decoration: none;
    font-weight: 700;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.blog-read-more-modern svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.blog-read-more-modern:hover {
    color: var(--primary-blue-dark);
    gap: 0.75rem;
}

.blog-read-more-modern:hover svg {
    transform: translateX(4px);
}

.blog-no-posts-modern {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--gray-50);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--border-color);
}

.blog-no-posts-modern svg {
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.blog-no-posts-modern h3 {
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.blog-no-posts-modern p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.blog-cta-modern {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.blog-cta-modern .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
    box-shadow: 0 10px 15px -3px rgba(26, 54, 93, 0.3);
}

.blog-cta-modern .btn:hover {
    box-shadow: 0 20px 25px -5px rgba(26, 54, 93, 0.4);
    transform: translateY(-2px);
}

.blog-cta-modern .btn svg {
    transition: transform 0.3s ease;
}

.blog-cta-modern .btn:hover svg {
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .blog-posts-grid-modern {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .blog-post-card-modern.featured-post {
        grid-column: span 1;
    }

    .blog-post-image-modern {
        height: 200px;
    }

    .blog-post-card-modern.featured-post .blog-post-image-modern {
        height: 200px;
    }

    .blog-post-title-modern {
        font-size: 1.25rem;
    }

    .blog-post-card-modern.featured-post .blog-post-title-modern {
        font-size: 1.25rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}