/* ==========================================
   YIGISOFT - Mobile First CSS
   ========================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary: #00c853;
    --primary-dark: #00a844;
    --primary-light: #5efc82;

    /* Secondary Colors */
    --secondary: #1a1a2e;
    --secondary-light: #16213e;

    /* Accent Colors */
    --accent: #00bcd4;
    --accent-dark: #0097a7;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --dark: #0f0f23;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-dark: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
    --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Layout - 1080p baz alınarak */
    --container-max: 1200px;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* 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), 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-card: 0 10px 40px rgba(0, 200, 83, 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   Base Styles (Mobile First)
   ========================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    /* overflow-x: hidden kaldırıldı - asıl taşan elementler düzeltildi */
}

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

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

ul {
    list-style: none;
}

/* Container - Mobile First */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    box-sizing: border-box;
}

/* Section Base */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
    z-index: 1;
    /* Yatay taşmayı önle */
    overflow-x: clip;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.section-desc {
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    font-size: 0.95rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 200, 83, 0.3);
}

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

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

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

.btn-block {
    width: 100%;
}

/* ==========================================
   Navbar (Mobile First)
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: var(--spacing-md) 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    flex-shrink: 0;
}

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

.logo-accent {
    color: var(--primary);
}

.navbar.scrolled .logo-text {
    color: var(--gray-900);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-base);
}

.navbar.scrolled .nav-toggle span {
    background: var(--gray-900);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background: var(--gray-900) !important;
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background: var(--gray-900) !important;
}

/* Mobile Menu */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-2xl);
    z-index: 10000;
}

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

.nav-link {
    padding: var(--spacing-md);
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    background: var(--gray-100);
    color: var(--primary);
}

.nav-social {
    display: none;
    position: relative;
    z-index: 1001;
}

/* ==========================================
   Hero Section (Mobile First)
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    padding: 100px 0 80px;
    overflow: hidden;
    /* Overflow-x taşmasını önler (floating card'lar vb.) */
    overflow-x: clip;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 200, 83, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 188, 212, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.hero-text {
    text-align: center;
}

.hero h1 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    color: var(--gray-300);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 280px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
    font-size: 0.75rem;
    font-weight: 500;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--primary);
    font-size: 1rem;
}

.card-1 {
    top: 20%;
    left: 5px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 30%;
    right: 5px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    /* SVG taşmasını önle */
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
    /* Minimum genişlik ile küçük ekranlarda bozulmayı önle */
    min-width: 100%;
}

/* ==========================================
   About Section (Mobile First)
   ========================================== */
.about-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.about-image {
    position: relative;
    display: flex;
    justify-content: center;
}

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

.experience-badge {
    position: absolute;
    /* Badge görselin sağ-alt köşesinde, İÇERİDE */
    bottom: 15px;
    right: 15px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience-badge .years {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
}

.experience-badge .text {
    font-size: 0.7rem;
    line-height: 1.3;
}

.about-content .section-tag {
    margin-bottom: var(--spacing-md);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.about-text {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-features {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
}

.feature-item i {
    color: var(--primary);
    font-size: 1.25rem;
}

/* ==========================================
   Services Section (Mobile First)
   ========================================== */
.services {
    background: var(--gray-100);
}

.services-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.service-link {
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

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

/* ==========================================
   Process Section (Mobile First)
   ========================================== */
.process-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.process-steps-left,
.process-steps-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.process-image {
    display: flex;
    justify-content: center;
    order: -1;
}

.process-image img {
    max-width: 250px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

.process-step {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.process-step:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.step-number {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.step-content h4 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.step-content p {
    color: var(--gray-600);
    font-size: 0.8rem;
    line-height: 1.5;
}

/* ==========================================
   What We Do Section (Mobile First)
   ========================================== */
.what-we-do {
    background: var(--gradient-hero);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
}

.what-we-do-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.what-we-do-title {
    text-align: left;
}

.section-tag-light {
    display: inline-block;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.what-we-do-title h2 {
    color: var(--white);
    font-size: 1.75rem;
    font-weight: 600;
}

.what-we-do-desc p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
}

.what-we-do-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.what-we-do-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
}

.what-we-do-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 200, 83, 0.3);
    transform: translateY(-5px);
}

.what-we-do-card h3 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.what-we-do-card > p {
    color: var(--gray-400);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.what-we-do-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.what-we-do-card ul li {
    color: var(--gray-300);
    font-size: 0.85rem;
    padding-left: var(--spacing-md);
    position: relative;
}

.what-we-do-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* ==========================================
   References Section (Mobile First)
   ========================================== */
.references-slider {
    overflow: hidden;
    /* Yatay taşmayı kesinlikle engelle */
    overflow-x: clip;
    padding: var(--spacing-xl) 0;
    position: relative;
}

.references-slider::before,
.references-slider::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 1;
    pointer-events: none;
}

.references-slider::before {
    left: 0;
    background: linear-gradient(to right, var(--white) 0%, transparent 100%);
}

.references-slider::after {
    right: 0;
    background: linear-gradient(to left, var(--white) 0%, transparent 100%);
}

.references-track {
    display: flex;
    gap: var(--spacing-2xl);
    animation: scroll 25s linear infinite;
    width: max-content;
}

.references-track:hover {
    animation-play-state: paused;
}

.reference-item {
    flex-shrink: 0;
    width: 200px;
    text-align: center;
    padding: var(--spacing-md);
}

.reference-item img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    margin: 0 auto var(--spacing-md);
    filter: grayscale(100%);
    opacity: 0.5;
    transition: var(--transition-base);
}

.reference-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

.reference-item p {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 500;
    white-space: nowrap;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==========================================
   CTA Section (Mobile First)
   ========================================== */
.cta {
    position: relative;
    background: var(--gradient-hero);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(0, 200, 83, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(0, 188, 212, 0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta h2 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.cta p {
    color: var(--gray-300);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
}

/* ==========================================
   Contact Section (Mobile First)
   ========================================== */
.contact-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

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

.info-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.info-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    color: var(--white);
    font-size: 1.25rem;
}

.info-content h4 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.info-content p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.6;
}

.info-content a {
    color: var(--primary);
}

.info-content a:hover {
    text-decoration: underline;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 200, 83, 0.3);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--gray-100);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
}

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

/* Map */
.map-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   Footer (Mobile First)
   ========================================== */
.footer {
    background: var(--gradient-dark);
    color: var(--gray-300);
    padding-top: var(--spacing-3xl);
}

.footer-top {
    display: grid;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer Logo */
.footer-logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    margin-bottom: var(--spacing-md);
}

.footer-logo {    
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.footer-contact i {
    color: var(--primary);
    margin-top: 3px;
}

.footer-bottom {
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ==========================================
   Scroll to Top (Mobile First)
   ========================================== */
.scroll-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 12px;
    display: grid;
    place-items: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0, 200, 83, 0.4);
    text-decoration: none;
    cursor: pointer;
}

.scroll-top svg {
    width: 18px;
    height: 18px;
    display: block;              /* inline SVG baseline boşluğunu kaldırır */
    margin: 0;
    transition: transform 0.2s ease;
      transform: translateY(1px);
}

.scroll-top.visible {
    display: grid !important;     /* global .visible display:block'ı ezer */
    place-items: center;

    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}


.scroll-top:hover {
    transform: translateY(-3px);
    background: var(--primary-dark);
    box-shadow: 0 6px 25px rgba(0, 200, 83, 0.5);
}

.scroll-top:hover svg {
    transform: translateY(-2px);
}

/* ==========================================
   TABLET BREAKPOINT (min-width: 768px)
   ========================================== */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
        /* max-width: var(--container-max) korunur, override YOK */
    }

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

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .section-title {
        font-size: 2rem;
    }

    /* Hero - Tablet iki kolon layout */
    .hero-content {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-xl);
    }

    .hero-text {
        flex: 1;
        text-align: left;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: flex-start;
    }

    .hero-stats {
        justify-content: flex-start;
        gap: var(--spacing-xl);
    }

    .hero-image {
        flex: 1;
        max-width: 45%;
    }

    .hero-image img {
        max-width: 100%;
        width: 300px;
    }

    /* Floating card'ları tablet için güvenli konumla */
    .floating-card {
        font-size: 0.7rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .card-1 {
        left: 0;
        top: 15%;
    }

    .card-2 {
        right: 0;
        bottom: 25%;
    }

    /* Services Grid */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* What We Do Grid */
    .what-we-do-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .what-we-do-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }

    .what-we-do-title {
        flex: 1;
    }

    .what-we-do-desc {
        flex: 1;
        text-align: right;
    }

    /* About - Tablet düzeni */
    .about-wrapper {
        flex-direction: column;
        gap: var(--spacing-2xl);
    }

    .about-image {
        /* Tablet'te görsel ortalı ve sınırlı genişlikte */
        max-width: 450px;
        margin: 0 auto;
        width: 100%;
    }

    .about-image img {
        width: 100%;
        height: auto;
    }

    /* Badge görselin İÇİNDE kalacak - taşma yok */
    .experience-badge {
        bottom: 20px;
        right: 20px;
        padding: var(--spacing-md);
    }

    .experience-badge .years {
        font-size: 1.75rem;
    }

    .experience-badge .text {
        font-size: 0.7rem;
    }

    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Process - Tablet'te tek kolon kal (3 kolon çok dar olur) */
    .process-wrapper {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .process-image {
        order: -1;
    }

    .process-image img {
        max-width: 280px;
    }

    /* Contact - Tablet TEK KOLON (taşma önleme) */
    .contact-wrapper {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .contact-info {
        width: 100%;
    }

    .contact-form-wrapper {
        width: 100%;
    }

    /* Form row tablet'te de alt alta */
    .form-row {
        flex-direction: column;
    }

    /* Footer */
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-logo {
        height: 90px;
    }

    /* CTA */
    .cta h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: row;
    }

    /* References - Tablet boyutu */
    .reference-item {
        width: 220px;
    }

    .reference-item img {
        width: 180px;
        height: 180px;
    }

    .reference-item p {
        font-size: 0.9rem;
    }
}

/* ==========================================
   MEDIUM TABLET BREAKPOINT (min-width: 900px)
   Hero ve diğer bölümler için ara geçiş
   ========================================== */
@media (min-width: 900px) {
    /* Hero - daha büyük görsel ve tipografi */
    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-image img {
        width: 340px;
    }

    .hero-stats {
        gap: var(--spacing-2xl);
    }

    .stat-number {
        font-size: 2rem;
    }

    /* Floating card'ları biraz büyüt */
    .floating-card {
        font-size: 0.75rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* ==========================================
   DESKTOP BREAKPOINT (min-width: 1024px)
   ========================================== */
@media (min-width: 1024px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }

    .section-title {
        font-size: 2.5rem;
    }

    /* Hero Desktop - daha büyük tipografi */
    .hero {
        padding: 0;
    }

    .hero-content {
        min-height: 100vh;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

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

    .hero-image {
        max-width: 50%;
    }

    .hero-image img {
        width: 380px;
        max-width: 100%;
    }

    /* Floating card'ları güvenli tut */
    .floating-card {
        font-size: 0.75rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .card-1 {
        left: 0;
    }

    .card-2 {
        right: 0;
    }

    /* About Desktop */
    .about-wrapper {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-2xl);
    }

    .about-image {
        flex: 1;
        max-width: 480px;
        margin: 0;
    }

    .about-content {
        flex: 1;
    }

    /* Badge görselin içinde - dışarı taşma yok */
    .experience-badge {
        bottom: 20px;
        right: 20px;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .experience-badge .years {
        font-size: 2rem;
    }

    .experience-badge .text {
        font-size: 0.75rem;
    }

    /* Services Grid Desktop */
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Process Desktop - 3 kolon layout */
    .process-wrapper {
        flex-direction: row;
        align-items: stretch;
        gap: var(--spacing-lg);
    }

    .process-steps-left,
    .process-steps-right {
        flex: 1;
        justify-content: space-between;
    }

    .process-image {
        flex: 0 0 280px;
        order: 0;
        align-items: center;
    }

    .process-image img {
        max-width: 260px;
    }

    /* What We Do Grid Desktop */
    .what-we-do-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .what-we-do-title h2 {
        font-size: 2.25rem;
    }

    /* Contact Desktop - İKİ KOLON */
    .contact-wrapper {
        flex-direction: row;
        gap: var(--spacing-2xl);
    }

    .contact-info {
        flex: 1;
        width: auto;
    }

    .contact-form-wrapper {
        flex: 1;
        width: auto;
    }

    .form-row {
        flex-direction: row;
        gap: var(--spacing-md);
    }

    .form-row .form-group {
        flex: 1;
    }

    /* Footer Desktop */
    .footer-top {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }

    .footer-logo {
        height: 100px;
    }

    /* References - Desktop boyutu */
    .reference-item {
        width: 250px;
    }

    .reference-item img {
        width: 200px;
        height: 200px;
    }
}

/* ==========================================
   DESKTOP NAV (min-width: 1024px)
   Grid layout: Logo | Nav | Social
   ========================================== */
@media (min-width: 1024px) {
    /* Navbar container - GRID: logo (auto) | nav (1fr) | social (auto) */
    .navbar .container {
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: var(--spacing-lg);
    }

    /* Toggle gizle */
    .nav-toggle {
        display: none;
    }

    /* Nav menu - Mobil drawer stillerini TAMAMEN sıfırla */
    .nav-menu {
        /* Mobil fixed/drawer stillerini kaldır */
        position: static;
        top: auto;
        right: auto;
        width: auto;
        max-width: none;
        height: auto;
        background: transparent;
        padding: 0;
        box-shadow: none;
        z-index: auto;
        transform: none;
        /* Desktop yatay flex */
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 0;
    }

    /* Aktif durumda da aynı kalmalı (drawer açılmasın) */
    .nav-menu.active {
        right: auto;
        transform: none;
    }

    .nav-link {
        /* Mobil stillerini sıfırla */
        padding: var(--spacing-xs) 0.4rem;
        color: var(--white);
        background: transparent;
        font-size: 0.7rem;
        font-weight: 500;
        border-radius: 0;
        /* Tek satırda kalması için */
        white-space: nowrap;
    }

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

    .navbar.scrolled .nav-link {
        color: var(--gray-700);
    }

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

    /* Social - sağda sabit */
    .nav-social {
        display: flex;
        gap: var(--spacing-xs);
        flex-shrink: 0;
    }

    .nav-social a {
        width: 28px;
        height: 28px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--white);
        font-size: 0.8rem;
        transition: var(--transition-fast);
    }

    .nav-social a:hover {
        background: var(--primary);
    }

    .navbar.scrolled .nav-social a {
        background: var(--gray-100);
        color: var(--gray-700);
    }

    .navbar.scrolled .nav-social a:hover {
        background: var(--primary);
        color: var(--white);
    }
}

/* ==========================================
   WIDE DESKTOP NAV (min-width: 1200px)
   ========================================== */
@media (min-width: 1200px) {
    .nav-link {
        padding: var(--spacing-xs) 0.6rem;
        font-size: 0.78rem;
    }

    .nav-social a {
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }
}

/* ==========================================
   1280px+ NAV - daha rahat
   ========================================== */
@media (min-width: 1280px) {
    .nav-link {
        padding: var(--spacing-xs) 0.75rem;
        font-size: 0.82rem;
    }
}

/* ==========================================
   EXTRA WIDE DESKTOP NAV (min-width: 1400px)
   ========================================== */
@media (min-width: 1400px) {
    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }

    .nav-social {
        gap: var(--spacing-sm);
    }

    .nav-social a {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
}

/* ==========================================
   LARGE DESKTOP (min-width: 1280px)
   ========================================== */
@media (min-width: 1280px) {
    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-image img {
        width: 450px;
    }

    .floating-card {
        font-size: 0.8rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Taşma önleme: negatif değer yok */
    .card-1 {
        left: 0;
    }

    .card-2 {
        right: 0;
    }

    .process-image img {
        max-width: 350px;
    }
}

/* ==========================================
   EXTRA LARGE DESKTOP (min-width: 1400px)
   ========================================== */
@media (min-width: 1400px) {
    .hero h1 {
        font-size: 3.75rem;
    }

    .hero-image img {
        width: 480px;
    }

    .floating-card {
        font-size: 0.85rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .process-image img {
        max-width: 380px;
    }

    /* About - büyük ekranlarda max-width artır */
    .about-image {
        max-width: 520px;
    }

    .experience-badge .years {
        font-size: 2.25rem;
    }

    .experience-badge .text {
        font-size: 0.8rem;
    }
}

/* ==========================================
   4K / Ultra Wide (min-width: 1920px)
   İçerik ortada boxed kalır
   ========================================== */
@media (min-width: 1920px) {
    /* Container max-width sabit - içerik ortada */
    .container {
        padding: 0 var(--spacing-2xl);
    }

    .hero h1 {
        font-size: 4rem;
    }

    .hero-image img {
        width: 520px;
    }

    .about-image {
        max-width: 550px;
    }
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none !important; }
/* .visible artık sadece opacity/visibility ile çalışır, display'i değiştirmez
   Bu sayede .scroll-top gibi grid/flex kullanan elementler bozulmaz */
.visible {
    opacity: 1 !important;
    visibility: visible !important;
}

/* scroll-top için özel visible durumu - grid layout korunur */
.scroll-top.visible {
    display: grid !important;
    place-items: center;
}

/* Mobile Menu Overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 9998;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Preloader */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: var(--transition-slow);
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Focus States for Accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}