/* ==========================================================================
   websitedukkani.com.tr - Tasarım Sistemi & CSS Kuralları
   ========================================================================== */

/* Font Tanımları ve Değişkenler */
:root {
    /* Renk Paleti */
    --navy-deep: #0F172A;
    --navy-medium: #1E293B;
    --navy-light: #475569;
    --navy-soft: #64748B;
    
    --gold-primary: #B89772;
    --gold-light: #E2D4C5;
    --gold-dark: #8C6D4F;
    
    --vizon-warm: #D8C3A5;
    --vizon-soft: #F8F6F2;
    --vizon-dark: #5C5247; /* Darkened from #786C5F for much higher contrast and readability */
    --vizon-text: #2D2520;

    --emerald-primary: #06D6A0;
    --emerald-dark: #00B180;
    
    --white: #FFFFFF;
    --white-muted: rgba(255, 255, 255, 0.7);
    --dark-muted: rgba(15, 23, 42, 0.6);

    /* Tasarımsal Efektler */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(11, 19, 43, 0.1), 0 4px 6px -2px rgba(11, 19, 43, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(11, 19, 43, 0.15), 0 10px 10px -5px rgba(11, 19, 43, 0.04);
    --shadow-premium: 0 30px 60px -15px rgba(11, 19, 43, 0.25);
    --shadow-gold: 0 15px 30px -10px rgba(212, 175, 55, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --backdrop-blur: 16px;
    --glass-bg: rgba(28, 37, 65, 0.75);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    /* Tipografi */
    --font-headings: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Sıfırlama (Reset) */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden; /* Prevent horizontal scrollbar on all mobile browsers */
}

body {
    font-family: var(--font-body);
    background-color: var(--vizon-soft);
    color: var(--vizon-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Lock scrolling when mobile menu drawer is open */
body.menu-open {
    overflow: hidden !important;
}

/* Ortak Tipografi Elemanları */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--navy-deep);
    font-weight: 700;
    line-height: 1.25;
}

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

/* Düzen Elemanları (Grid & Flex) */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Butonlar & Dokunmatik Hedefler (Minimum 48px Yükseklik) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-headings);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0 28px;
    height: 52px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-gold {
    background-color: var(--gold-primary);
    color: var(--navy-deep);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    background-color: var(--gold-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px rgba(170, 124, 17, 0.4);
}

.btn-gold:active {
    transform: translateY(0);
}

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

.btn-gold-outline:hover {
    background-color: var(--gold-primary);
    color: var(--navy-deep);
    transform: translateY(-2px);
}

.btn-vizon-outline {
    background-color: transparent;
    border-color: var(--vizon-dark);
    color: var(--vizon-text);
}

.btn-vizon-outline:hover {
    background-color: var(--vizon-dark);
    color: var(--white);
    transform: translateY(-2px);
}

.w-full {
    width: 100%;
}

/* Rozet (Badge) Tasarımı */
.badge {
    display: inline-flex;
    padding: 6px 16px;
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--gold-dark);
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(212, 175, 55, 0.2);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   1. HEADER & MENÜ TASARIMI
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(250, 246, 240, 0.85);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border-bottom: 1px solid rgba(140, 123, 107, 0.1);
    transition: all var(--transition-medium);
}

.main-header.scrolled {
    background-color: rgba(11, 19, 43, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

.main-header.scrolled h1,
.main-header.scrolled .logo-text,
.main-header.scrolled .nav-link {
    color: var(--white);
}

.main-header.scrolled .nav-link.active {
    color: var(--gold-primary);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 24px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo Stilleri */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-svg {
    width: 38px;
    height: 38px;
    color: var(--navy-deep);
    transition: color var(--transition-fast);
}

.main-header.scrolled .logo-svg {
    color: var(--white);
}

.logo-text {
    font-family: var(--font-headings);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--navy-deep);
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.logo-accent {
    color: var(--gold-primary);
    margin-left: 2px;
}

/* Masaüstü Navigasyon */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-headings);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--navy-light);
    position: relative;
    padding: 8px 0;
}

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

.nav-link:hover {
    color: var(--navy-deep);
}

.main-header.scrolled .nav-link:hover {
    color: var(--white);
}

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

.nav-link.active {
    color: var(--navy-deep);
}

/* Mobil Hamburger Menü Butonu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 110;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--navy-deep);
    border-radius: var(--radius-full);
    transition: transform var(--transition-medium), opacity var(--transition-medium), background-color var(--transition-medium);
}

.main-header.scrolled .mobile-menu-toggle span {
    background-color: var(--white);
}

.mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobil Menü Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(11, 19, 43, 0.6);
    backdrop-filter: blur(8px);
    z-index: 99;
    opacity: 0;
    visibility: hidden; /* Fully hide container from layout when closed */
    pointer-events: none;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.mobile-nav-overlay.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-nav {
    position: absolute;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100%;
    background-color: var(--navy-deep);
    padding: 100px 40px 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
    transition: right var(--transition-medium);
}

.mobile-nav-overlay.open .mobile-nav {
    right: 0;
}

.mobile-nav-link {
    font-family: var(--font-headings);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white-muted);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--gold-primary);
}

.mobile-nav-footer {
    margin-top: auto;
}

/* ==========================================================================
   2. HERO (VİTRİN) ALANI & DİNAMİK MOCKUP
   ========================================================================== */
.hero-section {
    padding: 160px 0 100px;
    background-color: var(--navy-deep);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

/* Arka Plan Dekoratif Şekiller */
.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(100px);
    opacity: 0.15;
}

.hero-bg-shapes .shape-1 {
    width: 400px;
    height: 400px;
    background-color: var(--gold-primary);
    top: -100px;
    right: -100px;
}

.hero-bg-shapes .shape-2 {
    width: 500px;
    height: 500px;
    background-color: var(--navy-light);
    bottom: -150px;
    left: -150px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 620px;
}

/* Enhance badge visibility on dark hero background */
.hero-content .badge {
    color: var(--gold-primary);
    border-color: rgba(184, 151, 114, 0.3);
    background-color: rgba(184, 151, 114, 0.08);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--gold-primary);
    position: relative;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--white-muted);
    margin-bottom: 40px;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-actions .btn-vizon-outline {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.hero-actions .btn-vizon-outline:hover {
    background-color: var(--white);
    color: var(--navy-deep);
    border-color: var(--white);
}

/* WOW Etkisi: Canlı Tarayıcı Simülasyonu */
.hero-visual {
    width: 100%;
    perspective: 1000px;
}

.browser-mockup {
    background-color: var(--navy-medium);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.browser-mockup:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.02);
}

.browser-bar {
    background-color: rgba(11, 19, 43, 0.8);
    height: 40px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.browser-bar .dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
}

.browser-bar .dot.red { background-color: #FF5F56; }
.browser-bar .dot.yellow { background-color: #FFBD2E; }
.browser-bar .dot.green { background-color: #27C93F; }

.browser-address {
    margin-left: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    font-size: 0.75rem;
    color: var(--white-muted);
    padding: 4px 24px;
    border-radius: var(--radius-sm);
    width: 180px;
    text-align: center;
}

/* Önizleme Ekranı Tasarımları */
.browser-screen {
    height: 260px;
    background-color: var(--navy-deep);
    padding: 24px;
    transition: background-color var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.screen-layout-preview {
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all var(--transition-medium);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.preview-logo {
    width: 60px;
    height: 12px;
    background-color: var(--white-muted);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-medium);
}

.preview-menu-dots {
    display: flex;
    gap: 4px;
}

.preview-menu-dots span {
    width: 6px;
    height: 6px;
    background-color: var(--white-muted);
    border-radius: var(--radius-full);
}

.preview-hero {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 24px;
}

.preview-badge {
    width: 80px;
    height: 8px;
    background-color: var(--gold-primary);
    border-radius: var(--radius-full);
    opacity: 0.6;
    transition: background-color var(--transition-medium);
}

.preview-text-line-1 {
    width: 140px;
    height: 14px;
    background-color: var(--white);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-medium);
}

.preview-text-line-2 {
    width: 110px;
    height: 14px;
    background-color: var(--white);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-medium);
}

.preview-button {
    width: 70px;
    height: 20px;
    background-color: var(--gold-primary);
    border-radius: var(--radius-sm);
    margin-top: 4px;
    transition: background-color var(--transition-medium);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: auto;
}

.preview-card {
    height: 48px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-medium);
}

/* İnteraktif Kontrol Paneli Tasarımı */
.preview-controls {
    background-color: rgba(11, 19, 43, 0.9);
    padding: 16px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.control-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white-muted);
}

.theme-buttons {
    display: flex;
    gap: 8px;
}

.theme-btn {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.theme-btn:hover {
    transform: scale(1.15);
}

.theme-btn.active {
    border-color: var(--white);
    transform: scale(1.1);
}

.theme-btn[data-color="navy"] { background-color: #0B132B; }
.theme-btn[data-color="gold"] { background-color: #D4AF37; }
.theme-btn[data-color="vizon"] { background-color: #E5D9C9; }
.theme-btn[data-color="emerald"] { background-color: #06D6A0; }

.layout-toggle {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.layout-btn {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
    padding: 6px 12px;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.layout-btn.active {
    background-color: var(--gold-primary);
    color: var(--navy-deep);
    border-color: var(--gold-primary);
}

/* ==========================================================================
   3. HİZMETLER BÖLÜMÜ
   ========================================================================== */
.services-section {
    padding: 120px 0;
    background-color: var(--white);
    overflow: hidden; /* Prevent visual leakage from scroll animations */
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-subtitle {
    font-family: var(--font-headings);
    color: var(--gold-dark);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 20px;
    color: var(--navy-deep);
}

.section-desc {
    color: var(--vizon-dark);
    font-size: 1.05rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

/* Kart Hover Efektleri ve Cam Temaları (Glassmorphism) */
.service-card {
    background-color: var(--vizon-soft);
    border: 1px solid rgba(140, 123, 107, 0.15);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    transition: all var(--transition-medium);
    position: relative;
    top: 0;
}

.service-card:hover {
    background-color: var(--white);
    box-shadow: var(--shadow-premium);
    border-color: rgba(212, 175, 55, 0.3);
    top: -8px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--gold-dark);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: all var(--transition-fast);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-card:hover .service-icon {
    background-color: var(--gold-primary);
    color: var(--navy-deep);
    transform: rotate(6deg) scale(1.05);
}

.service-title {
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.service-text {
    color: var(--vizon-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   4. HAKKIMIZDA BÖLÜMÜ
   ========================================================================== */
.about-section {
    padding: 120px 0;
    background-color: var(--vizon-soft);
    position: relative;
    overflow: hidden; /* Prevent visual leakage from decor shapes */
}

.about-container {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 64px;
    align-items: center;
}

.about-content {
    max-width: 600px;
}

.about-lead {
    font-size: 1.15rem;
    color: var(--navy-deep);
    font-weight: 550;
    margin-bottom: 24px;
}

.about-text {
    color: var(--vizon-dark);
    margin-bottom: 32px;
}

.why-us-box {
    background-color: var(--white);
    border-left: 4px solid var(--gold-primary);
    padding: 24px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.why-us-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.why-us-text {
    font-size: 0.95rem;
    color: var(--vizon-dark);
}

.welcome-note {
    font-family: var(--font-headings);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gold-dark);
    display: block;
    font-style: italic;
}

/* Hakkımızda Görsel & Dekor Tasarımı */
.about-visual {
    position: relative;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.decor-box {
    position: relative;
    width: 300px;
    height: 300px;
    background-color: var(--navy-deep);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.decor-box::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--gold-primary);
    border-radius: var(--radius-lg);
    z-index: -1;
    pointer-events: none;
}

.decor-circle {
    position: absolute;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--gold-light) 0%, rgba(255, 255, 255, 0) 70%);
    top: -40px;
    right: -40px;
    opacity: 0.6;
    z-index: 1;
    animation: pulse 4s infinite alternate;
}

.decor-text {
    text-align: center;
    color: var(--white);
    padding: 24px;
}

.decor-text .number {
    display: block;
    font-family: var(--font-headings);
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--gold-primary);
    line-height: 1;
}

.decor-text .text {
    font-size: 0.9rem;
    letter-spacing: 1px;
    color: var(--white-muted);
}

/* ==========================================================================
   5. TEKLİF SİHİRBAZI (INTERACTIVE ESTIMATOR)
   ========================================================================== */
.estimator-section {
    padding: 120px 0;
    background-color: var(--white);
}

.estimator-card {
    background-color: var(--vizon-soft);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(140, 123, 107, 0.1);
    box-shadow: var(--shadow-premium);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    overflow: hidden;
    margin-top: 40px;
}

.estimator-steps {
    padding: 48px;
    background-color: var(--white);
}

.step-panel {
    display: none;
}

.step-panel.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.step-title {
    font-size: 1.5rem;
    margin-bottom: 32px;
    position: relative;
    padding-bottom: 12px;
}

.step-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--gold-primary);
}

/* Seçenek Kartları (Adım 1) */
.options-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.option-card {
    border: 2px solid rgba(140, 123, 107, 0.15);
    border-radius: var(--radius-md);
    padding: 24px;
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 16px;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.option-card:hover {
    border-color: var(--gold-primary);
    background-color: var(--vizon-soft);
}

.option-card.active {
    border-color: var(--navy-deep);
    background-color: rgba(28, 37, 65, 0.03);
}

.option-indicator {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    border: 2px solid var(--vizon-dark);
    position: relative;
    transition: all var(--transition-fast);
}

.option-card.active .option-indicator {
    border-color: var(--gold-primary);
    background-color: var(--gold-primary);
}

.option-card.active .option-indicator::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: var(--navy-deep);
    border-radius: var(--radius-full);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.option-card h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.option-card p {
    font-size: 0.85rem;
    color: var(--vizon-dark);
}

/* Özellikler Kontrol Listesi (Adım 2) */
.features-checklist {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border: 1px solid rgba(140, 123, 107, 0.15);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.feature-item:hover {
    background-color: var(--vizon-soft);
}

.feature-item input {
    display: none;
}

.checkbox-custom {
    width: 24px;
    height: 24px;
    border: 2px solid var(--vizon-dark);
    border-radius: 6px;
    display: inline-block;
    position: relative;
    transition: all var(--transition-fast);
}

.feature-item input:checked + .checkbox-custom {
    border-color: var(--gold-primary);
    background-color: var(--gold-primary);
}

.feature-item input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    width: 5px;
    height: 10px;
    border: solid var(--navy-deep);
    border-width: 0 2.5px 2.5px 0;
    top: 4px;
    left: 8px;
    transform: rotate(45deg);
}

.feature-label {
    font-size: 0.95rem;
    font-weight: 500;
}

/* Teklif Formu & Form Grupları */
.estimator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--navy-deep);
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid rgba(140, 123, 107, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--navy-deep);
    box-shadow: 0 0 0 4px rgba(28, 37, 65, 0.05);
}

.step-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
}

/* Başarı Ekranı Stilleri */
.success-content {
    text-align: center;
    padding: 40px 0;
}

.success-icon {
    width: 72px;
    height: 72px;
    background-color: rgba(6, 214, 160, 0.1);
    color: var(--emerald-primary);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.success-icon svg {
    width: 36px;
    height: 36px;
}

.success-content h3 {
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.success-content p {
    color: var(--vizon-dark);
    margin-bottom: 32px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

/* Fiyat Özeti (Sağ Kolon) */
.estimator-summary {
    background-color: var(--navy-deep);
    color: var(--white);
    padding: 48px;
    display: flex;
    flex-direction: column;
}

.summary-title {
    color: var(--white);
    font-size: 1.35rem;
    margin-bottom: 24px;
}

.summary-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 20px 0;
}

.summary-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.summary-item-label {
    color: var(--white-muted);
}

.summary-item-value {
    font-weight: 600;
}

.summary-price-box {
    margin-top: auto;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
}

.price-label {
    display: block;
    font-size: 0.8rem;
    color: var(--white-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.price-value {
    font-family: var(--font-headings);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gold-primary);
}

.summary-guarantees {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--white-muted);
}

.guarantee-item svg {
    color: var(--gold-primary);
    flex-shrink: 0;
}

/* ==========================================================================
   6. İLETİŞİM ALANI & DOĞRUDAN FORM
   ========================================================================== */
.contact-section {
    padding: 120px 0;
    background-color: var(--vizon-soft);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-panel-desc {
    color: var(--vizon-dark);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.icon-circle {
    width: 52px;
    height: 52px;
    background-color: rgba(11, 19, 43, 0.05);
    color: var(--navy-deep);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-circle svg {
    width: 22px;
    height: 22px;
}

.contact-detail-item h4 {
    font-size: 0.85rem;
    color: var(--vizon-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-detail-item a,
.contact-detail-item p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy-deep);
}

.contact-form-panel {
    background-color: var(--white);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: opacity var(--transition-fast);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.contact-success {
    display: none;
    text-align: center;
    padding: 40px 0;
    animation: fadeIn 0.4s ease-out;
}

.contact-form-panel.success .contact-form {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.contact-form-panel.success .contact-success {
    display: block;
}

/* ==========================================================================
   7. FOOTER
   ========================================================================== */
.main-footer {
    background-color: var(--navy-deep);
    color: var(--white);
    padding: 80px 0 140px; /* Mobil alt bar için ekstra padding */
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    margin-bottom: 64px;
}

.footer-brand .logo-container {
    margin-bottom: 20px;
}

.footer-brand .logo-svg {
    color: var(--white);
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-tagline {
    color: var(--white-muted);
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-links-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--white-muted);
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 32px;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--white-muted);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a:hover {
    color: var(--gold-primary);
}

/* ==========================================================================
   8. THUMB-ZONE UYUMLU MOBİL ALT HIZLI MENÜ (Thumb Zone Bar)
   ========================================================================== */
.thumb-navigation {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 480px;
    background: rgba(28, 37, 65, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.35);
    border-radius: var(--radius-full);
    z-index: 90;
    padding: 6px 8px;
    display: block; /* Sadece JS/ekran kontrolü ile mobilde */
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.thumb-nav-container {
    display: grid;
    grid-template-columns: 1fr 1.6fr 1fr;
    gap: 8px;
    align-items: center;
}

.thumb-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--white-muted);
    font-size: 0.75rem;
    font-weight: 500;
    height: 48px; /* Dokunmatik HEDEF standardı */
    border-radius: var(--radius-full);
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
    transition: all var(--transition-fast);
}

.thumb-nav-item svg {
    width: 20px;
    height: 20px;
}

.thumb-nav-item:hover,
.thumb-nav-item:focus {
    color: var(--gold-primary);
}

/* Başparmak Odak Noktası CTA - En Rahat Ulaşılan Merkez Buton */
.thumb-nav-cta {
    background-color: var(--gold-primary);
    color: var(--navy-deep);
    font-weight: 700;
    flex-direction: row;
    gap: 8px;
    height: 52px;
    box-shadow: var(--shadow-gold);
}

.thumb-nav-cta svg {
    width: 18px;
    height: 18px;
}

.thumb-nav-cta:hover {
    background-color: var(--gold-dark);
    color: var(--white);
    transform: translateY(-2px);
}

/* ==========================================================================
   9. ANİMASYONLAR VE GÖRSEL EFEKTLER (Scroll Reveal)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translate(-50%, 60px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(1.15); opacity: 0.7; }
}

/* ==========================================================================
   10. MEDYA SORGULARI (RESPONSIVENESS)
   ========================================================================== */

/* Masaüstü gizlemeleri */
@media (min-width: 769px) {
    .thumb-navigation {
        display: none; /* Masaüstünde hızlı alt menüye gerek yok */
    }
}

/* Tablet ve Mobil Görünümleri */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions {
        justify-content: center;
    }

    .browser-mockup {
        max-width: 650px;
        margin: 0 auto;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-visual {
        order: 2;
        height: 350px;
    }
}

@media (max-width: 768px) {
    /* Mobil Öncelikli Kurallar */
    :root {
        --radius-md: 12px;
        --radius-lg: 20px;
    }

    .desktop-nav,
    .header-cta {
        display: none; /* Masaüstü öğelerini gizle */
    }

    .mobile-menu-toggle {
        display: flex; /* Hamburger menü */
    }
    
    .main-footer {
        padding-bottom: 120px; /* Thumb-bar yüksekliği için ek boşluk */
    }

    .estimator-card {
        grid-template-columns: 1fr; /* Form ve fiyatı üst üste yığ */
    }

    .estimator-steps {
        padding: 32px 20px;
    }

    .estimator-summary {
        padding: 32px 20px;
    }

    .form-row {
        grid-template-columns: 1fr; /* Form alanlarını alt alta yap */
        gap: 16px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-form-panel {
        padding: 32px 20px;
    }

    /* Disable mockup rotation and prevent overflow on narrow screens */
    .browser-mockup {
        transform: none !important;
    }

    /* Scale decor elements so they fit iPhone SE and other small viewports */
    .decor-box {
        width: 260px;
        height: 260px;
    }

    .decor-box::before {
        top: -12px;
        left: -12px;
        right: 12px;
        bottom: 12px;
    }

    .decor-circle {
        width: 80px;
        height: 80px;
        top: -20px;
        right: -20px;
    }

    .services-grid {
        gap: 20px;
    }

    /* Stack footer columns and center elements on mobile viewports */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .footer-brand .logo-container {
        justify-content: center;
    }

    .footer-tagline {
        margin: 0 auto;
    }

    .footer-links-group {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-bottom-container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-bottom-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-links-group {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* WhatsApp Floating Action Button & Details Card Styles */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--white);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 99;
    transition: all var(--transition-fast);
    animation: pulseWhatsapp 2s infinite;
}

.whatsapp-float svg {
    width: 24px;
    height: 24px;
}

.whatsapp-float span {
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    opacity: 0;
    transition: max-width var(--transition-medium), opacity var(--transition-fast);
}

.whatsapp-float:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
    background: linear-gradient(135deg, #20BA5A, #0E7568);
    color: var(--white);
}

.whatsapp-float:hover span {
    max-width: 150px;
    opacity: 1;
}

.whatsapp-circle {
    background-color: rgba(37, 211, 102, 0.1) !important;
    color: #25D366 !important;
    transition: all var(--transition-fast);
}

.contact-detail-item:hover .whatsapp-circle {
    background-color: #25D366 !important;
    color: var(--white) !important;
    transform: scale(1.05) rotate(6deg);
}

@keyframes pulseWhatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Mobil Alt Menü Arayüzü Üzerine WhatsApp Float Konumlandırılması */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 96px; /* Thumb-bar'ın üzerine binmemesi için yükseltildi */
        right: 20px;
        padding: 12px;
        border-radius: var(--radius-full);
    }
    .whatsapp-float span {
        display: none; /* Mobilde sadece ikon */
    }
}

/* Scroll İlerleme Barı */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(to right, var(--gold-primary), var(--emerald-primary));
    width: 0%;
    z-index: 10001;
    transition: width 0.1s ease-out;
}

/* Özel Estetik İmleç (Custom Cursor) */
.custom-cursor {
    width: 8px;
    height: 8px;
    background-color: var(--gold-primary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10000;
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

.custom-cursor-follower {
    width: 32px;
    height: 32px;
    border: 1px solid var(--gold-primary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.08s ease-out, width 0.2s, height 0.2s, border-color 0.2s, background-color 0.2s;
}

.custom-cursor.hover {
    width: 12px;
    height: 12px;
    background-color: var(--white);
}

.custom-cursor-follower.hover {
    width: 54px;
    height: 54px;
    background-color: rgba(184, 151, 114, 0.12);
    border-color: var(--white);
}

/* İnteraktif Parçacık Tuvali (Canvas Background) */
.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Masaüstü Olmayan Ekranlarda İmleç Gizleme */
@media (max-width: 1024px) {
    .custom-cursor,
    .custom-cursor-follower {
        display: none;
    }
}