/* ============================================
   MODERN VERİ KURTARMA WEB SİTESİ - CSS
   Responsive, Modern, Profesyonel
   ============================================ */

/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
    /* Ana Renkler */
    --primary-blue: #1e3a8a;
    --primary-dark: #0f172a;
    --accent-orange: #f97316;
    --accent-green: #10b981;

    /* Neutral Renkler */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

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

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

/* Top Bar */
.top-bar {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar a {
    color: var(--white);
    opacity: 0.9;
}

.top-bar a:hover {
    opacity: 1;
    color: var(--accent-orange);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.social-icons a:hover {
    background: var(--accent-orange);
    transform: translateY(-2px);
}

/* Main Navigation */
.main-nav {
    padding: var(--spacing-sm) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--gray-800);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.nav-menu a:hover {
    color: var(--primary-blue);
    background: var(--gray-100);
}

.nav-menu a.active {
    color: var(--white);
    background: var(--primary-blue);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    margin-top: 120px;
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: url('../images/01-1080x720m.png') center center/cover no-repeat;
    color: var(--white);
    overflow: hidden;
}

.hero .container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-sm);
    display: flex;
    justify-content: flex-end;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out both;
    opacity: 1 !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95 !important;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    opacity: 1 !important;
}

.hero-buttons .btn {
    padding: 0.75rem 2rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-base);
    text-align: center;
}

.btn-primary {
    background: var(--accent-orange);
    color: var(--white);
    border-color: var(--accent-orange);
}

.btn-primary:hover {
    background: #ea580c;
    border-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-xl) var(--spacing-sm);
}

.section-dark {
    background: var(--gray-900);
    color: var(--white);
}

.section-light {
    background: var(--gray-50);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.section-dark .section-title {
    color: var(--white);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.section-dark .section-subtitle {
    color: var(--gray-300);
}

/* ============================================
   TRUST BADGES (Güven Göstergeleri)
   ============================================ */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.trust-badge {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.trust-badge:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.trust-badge-icon {
    font-size: 3rem;
    color: var(--accent-orange);
    margin-bottom: var(--spacing-sm);
}

.trust-badge-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
}

.trust-badge-text {
    font-size: 1rem;
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

/* ============================================
   SERVICE CARDS (Hizmet Kartları)
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-orange);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-orange));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.service-description {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent-orange);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.service-link:hover {
    gap: var(--spacing-sm);
}

/* ============================================
   PROCESS STEPS (Süreç Adımları)
   ============================================ */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    position: relative;
}

.process-step {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
}

.process-step-number {
    width: 60px;
    height: 60px;
    background: var(--accent-orange);
    color: var(--white);
    font-size: 1.75rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.process-step-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.process-step-description {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    height: 100%;
}

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

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent-orange);
    flex-shrink: 0;
}

.contact-text {
    flex: 1;
}

.contact-text h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.contact-text p {
    opacity: 0.9;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
}

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

.footer-section h3 {
    color: var(--accent-orange);
    margin-bottom: var(--spacing-sm);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--gray-300);
    opacity: 0.9;
}

.footer-links a:hover {
    color: var(--white);
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--gray-400);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Animasyon öncesi gizli */
.animate-hidden {
    opacity: 0;
    transform: translateY(30px);
}

/* Animasyon sınıfları */
.fade-in {
    animation: fadeIn 0.8s ease-out both;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out both;
}

/* Global animasyon koruması - HİÇBİR ŞEY KAYBOLMASIN */
.hero-title,
.hero-subtitle,
.hero-buttons,
.service-card,
.trust-badge,
.process-step,
.contact-form,
.contact-info,
.fade-in,
.fade-in-up {
    animation-fill-mode: both !important;
}

/* Animasyon SONRASI mutlaka görünür */
.service-card.fade-in-up,
.trust-badge.fade-in-up,
.process-step.fade-in-up,
.contact-form.fade-in-up,
.contact-info.fade-in-up,
.hero-title,
.hero-subtitle,
.hero-buttons {
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }

    .nav-menu {
        position: fixed;
        top: 120px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 120px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-xl);
        transition: var(--transition-base);
    }

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

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        margin-top: 100px;
        min-height: 500px;
        align-items: flex-start;
    }

    .hero .container {
        padding-top: 6rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .contact-section {
        grid-template-columns: 1fr;
    }

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

    .process-steps {
        grid-template-columns: 1fr;
    }

    .trust-badges {
        grid-template-columns: 1fr;
    }

    /* Page Hero Mobile */
    .page-hero h1 {
        font-size: 1.75rem !important;
    }

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

    /* Ana Sayfa Hero Mobile */
    .hero-title {
        font-size: 2rem !important;
    }

    .hero-subtitle {
        font-size: 1rem !important;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }

    .section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    /* Page Hero Küçük Mobile */
    .page-hero h1 {
        font-size: 1.5rem !important;
    }

    .page-hero p {
        font-size: 0.9375rem !important;
    }

    /* Ana Sayfa Hero Küçük Mobile */
    .hero-title {
        font-size: 1.5rem !important;
    }

    .hero-subtitle {
        font-size: 0.9375rem !important;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-blue);
}

.text-accent {
    color: var(--accent-orange);
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

/* ============================================
   PAGE HERO (for internal pages)
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 4rem 1rem;
    text-align: center;
    margin-top: 120px;
}

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin: 0;
}

.page-hero p {
    font-size: 1.125rem;
}

/* ============================================
   VIDEO SECTIONS
   ============================================ */
.video-section {
    margin-bottom: 4rem;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.video-section h3 {
    color: var(--primary-blue);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}