/* ===================================
   OmtunFreelancer - Global Stylesheet
   Modern Agency Design System
   Black Theme with Blue Accents
   =================================== */

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

:root {
    /* Color Palette */
    --color-black-primary: #0a0a0a;
    --color-black-secondary: #111111;
    --color-black-light: #1a1a1a;
    --color-white: #ffffff;
    --color-white-soft: #f5f5f5;
    --color-gray: #888888;
    --color-gray-light: #cccccc;

    /* Blue Accents */
    --color-blue-neon: #00d4ff;
    --color-blue-electric: #0066ff;
    --color-blue-dark: #0047b3;

    /* Gradients */
    --gradient-blue: linear-gradient(135deg, var(--color-blue-neon), var(--color-blue-electric));
    --gradient-overlay: linear-gradient(180deg, rgba(10, 10, 10, 0.9), rgba(17, 17, 17, 0.95));

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 1.875rem;
    /* 30px */
    --text-4xl: 2.25rem;
    /* 36px */
    --text-5xl: 3rem;
    /* 48px */
    --text-6xl: 3.75rem;
    /* 60px */
    --text-7xl: 4.5rem;
    /* 72px */

    /* Spacing */
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-6: 1.5rem;
    /* 24px */
    --space-8: 2rem;
    /* 32px */
    --space-12: 3rem;
    /* 48px */
    --space-16: 4rem;
    /* 64px */
    --space-24: 6rem;
    /* 96px */
    --space-32: 8rem;
    /* 128px */

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 212, 255, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);

    /* Border Radius */
    --radius-sm: 0.375rem;
    /* 6px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */
    --radius-full: 9999px;

    /* Z-index layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-contact-buttons: 400;
}

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

body {
    font-family: var(--font-secondary);
    background-color: var(--color-black-primary);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--text-6xl);
}

h2 {
    font-size: var(--text-5xl);
}

h3 {
    font-size: var(--text-4xl);
}

h4 {
    font-size: var(--text-3xl);
}

h5 {
    font-size: var(--text-2xl);
}

h6 {
    font-size: var(--text-xl);
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

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

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

strong {
    font-weight: 600;
    color: var(--color-white);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-4);
}

.section {
    padding: var(--space-24) 0;
}

.section-large {
    padding: var(--space-32) 0;
}

.grid {
    display: grid;
    gap: var(--space-6);
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-6 {
    grid-template-columns: repeat(6, 1fr);
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-black-light);
    color: var(--color-white);
    border-color: var(--color-blue-neon);
}

.btn-secondary:hover {
    background: var(--color-black-secondary);
    color: var(--color-blue-neon);
    box-shadow: var(--shadow-glow);
}

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

.btn-outline:hover {
    background: transparent;
    color: var(--color-blue-neon);
    border-color: var(--color-blue-neon);
}

.btn-large {
    padding: var(--space-6) var(--space-12);
    font-size: var(--text-lg);
}

.btn-small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* WhatsApp Button Style */
.btn-whatsapp {
    background: #25d366;
    color: white;
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

/* ===== CARDS ===== */
.card {
    background: var(--color-black-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--color-blue-neon);
    box-shadow: var(--shadow-lg);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-blue);
    border-radius: var(--radius-lg);
    font-size: var(--text-3xl);
}

.card-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    color: var(--color-white);
}

.card-text {
    color: var(--color-white);
    font-size: var(--text-base);
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: var(--z-sticky);
    transition: transform var(--transition-base);
}

.header.hidden {
    transform: translateY(-100%);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-4);
    max-width: 1440px;
    margin: 0 auto;
}

.logo {
    font-size: var(--text-2xl);
    font-weight: 700;
    font-family: var(--font-primary);
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav {
    display: flex;
    gap: var(--space-2);
}

.nav-link {
    padding: var(--space-3) var(--space-4);
    color: var(--color-white);
    font-weight: 500;
    border-radius: var(--radius-md);
    position: relative;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-blue-neon);
    background: rgba(0, 212, 255, 0.05);
}

.nav-link.active {
    color: var(--color-blue-neon);
}

/* Mega Menu */
.mega-menu {
    position: relative;
}

.mega-menu-trigger {
    padding: var(--space-3) var(--space-4);
    color: var(--color-white);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.mega-menu-trigger:hover {
    color: var(--color-blue-neon);
}

.mega-menu-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    max-width: 90vw;
    background: var(--color-black-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-top: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.mega-menu:hover .mega-menu-dropdown {
    opacity: 1;
    visibility: visible;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.mega-menu-column h4 {
    color: var(--color-blue-neon);
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
    font-weight: 600;
}

.mega-menu-column ul {
    list-style: none;
}

.mega-menu-column li {
    margin-bottom: var(--space-2);
}

.mega-menu-column a {
    color: var(--color-white);
    font-size: var(--text-sm);
    display: block;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mega-menu-column a:hover {
    color: var(--color-blue-neon);
    background: rgba(0, 212, 255, 0.05);
    padding-left: var(--space-3);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ===== FOOTER ===== */
.footer {
    background: var(--color-black-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
}

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

.footer-column li {
    margin-bottom: var(--space-3);
}

.footer-column a {
    color: var(--color-white);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-blue-neon);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-black-light);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: var(--text-lg);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background: var(--gradient-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    font-size: var(--text-sm);
}

/* ===== STICKY CONTACT BUTTONS ===== */
/* İki buton: sol altta telefon, sağ altta WhatsApp */
.sticky-contact {
    /* Container artık gerekmiyor - her buton kendi konumunda */
    display: contents;
}

.sticky-btn {
    position: fixed;
    bottom: var(--space-6);
    /* 24px - aynı hizada */
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    z-index: var(--z-contact-buttons);
    text-decoration: none;
}

.sticky-btn:hover {
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* WhatsApp - Sağ Alt */
.sticky-btn-whatsapp {
    right: var(--space-6);
    /* Sağ tarafta */
    background: #25d366;
    color: white;
    animation: slideInRight 0.6s ease;
}

.sticky-btn-whatsapp:hover {
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

/* Telefon - Sol Alt */
.sticky-btn-phone {
    left: var(--space-6);
    /* Sol tarafta */
    background: var(--gradient-blue);
    color: white;
    animation: slideInLeft 0.6s ease;
}

.sticky-btn-phone:hover {
    box-shadow: var(--shadow-glow);
}

/* ===== HERO SECTIONS ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-16) 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.1), transparent 70%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
}

.hero-title {
    font-size: var(--text-7xl);
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--color-white), var(--color-blue-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-white);
    margin-bottom: var(--space-8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-ctas {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    color: var(--color-white);
    font-weight: 500;
    font-size: var(--text-sm);
}

.form-control {
    width: 100%;
    padding: var(--space-4);
    background: var(--color-black-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-family: var(--font-secondary);
    font-size: var(--text-base);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-blue-neon);
    box-shadow: var(--shadow-glow);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@keyframes slideInRight {
    from {
        transform: translateX(100px);
        opacity: 0;
    }

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

@keyframes slideInLeft {
    from {
        transform: translateX(-100px);
        opacity: 0;
    }

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

@keyframes pulse {

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

    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
    }
}

/* Animation utility classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease;
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* ===== RESPONSIVE BREAKPOINTS ===== */

/* Large Desktop (1280px+) - default styles above */

/* Desktop (1024px - 1279px) */
@media (max-width: 1279px) {
    .container {
        max-width: 1024px;
    }

    .hero-title {
        font-size: var(--text-6xl);
    }

    .mega-menu-dropdown {
        width: 800px;
    }
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    .container {
        max-width: 768px;
    }

    h1 {
        font-size: var(--text-5xl);
    }

    h2 {
        font-size: var(--text-4xl);
    }

    h3 {
        font-size: var(--text-3xl);
    }

    .hero-title {
        font-size: var(--text-5xl);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-6 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    /* Tablet: Keep mega menu hidden but allow accordion on smaller screens */
    .mega-menu-dropdown {
        position: static !important;
        width: 100%;
        opacity: 1;
        visibility: visible;
        display: none;
        background: transparent;
        border: none;
        padding: 0;
        margin: 0;
        box-shadow: none;
        transform: none;
        left: auto;
        right: auto;
        top: auto;
    }

    .mega-menu-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .mega-menu-trigger {
        cursor: pointer;
        position: relative;
    }

    .mega-menu-trigger svg {
        transition: transform 0.3s ease;
    }

    .mega-menu.active .mega-menu-trigger svg {
        transform: rotate(180deg);
    }

    .mega-menu.active .mega-menu-dropdown {
        display: block !important;
    }

    /* Prevent hover on tablet */
    .mega-menu:hover .mega-menu-dropdown {
        opacity: 0;
        visibility: hidden;
    }
}

/* Mobile (480px - 767px) */
@media (max-width: 767px) {
    :root {
        --text-6xl: 2.5rem;
        /* 40px */
        --text-5xl: 2rem;
        /* 32px */
        --text-4xl: 1.75rem;
        /* 28px */
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .grid-6 {
        grid-template-columns: 1fr;
    }

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

    .section {
        padding: var(--space-16) 0;
    }

    .section-large {
        padding: var(--space-24) 0;
    }

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

    .btn {
        width: 100%;
    }

    /* Sticky buttons responsive - FIXED position */
    .sticky-btn {
        position: fixed !important;
        width: 50px;
        height: 50px;
        font-size: var(--text-xl);
        bottom: var(--space-4) !important;
        /* Küçük ekranda 16px - sabit */
    }

    .sticky-btn-whatsapp {
        position: fixed !important;
        right: var(--space-3) !important;
        /* Sağ: 12px - sabit */
    }

    .sticky-btn-phone {
        position: fixed !important;
        left: var(--space-3) !important;
        /* Sol: 12px - sabit */
    }

    /* ===== MOBILE NAVIGATION - SIMPLE DROPDOWN ===== */

    /* Desktop nav hidden on mobile */
    .header .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background: var(--color-black-secondary);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        z-index: 1000;
        padding: var(--space-4) 0;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }

    /* When menu is active/open */
    .header .nav.active {
        display: flex;
        flex-direction: column;
    }

    /* Nav links styling */
    .nav .nav-link {
        display: block;
        width: 100%;
        padding: var(--space-4) var(--space-6);
        margin: 0;
        text-align: left;
        color: var(--color-white);
        font-size: var(--text-base);
        font-weight: 500;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        transition: all 0.2s ease;
        background: transparent;
    }

    .nav .nav-link:hover,
    .nav .nav-link:active {
        background: rgba(0, 212, 255, 0.1);
        color: var(--color-blue-neon);
        padding-left: var(--space-8);
    }

    /* Mega menu container */
    .nav .mega-menu {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    /* Mega menu trigger */
    .nav .mega-menu-trigger {
        width: 100%;
        padding: var(--space-4) var(--space-6);
        margin: 0;
        text-align: left;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: var(--color-white);
        font-size: var(--text-base);
        font-weight: 500;
        transition: all 0.2s ease;
        background: transparent;
    }

    .nav .mega-menu-trigger:hover,
    .nav .mega-menu-trigger:active {
        background: rgba(0, 212, 255, 0.1);
        color: var(--color-blue-neon);
    }

    .nav .mega-menu-trigger svg {
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

    .nav .mega-menu.active .mega-menu-trigger svg {
        transform: rotate(180deg);
    }

    /* Mega menu dropdown - accordion */
    .mega-menu-dropdown {
        position: static;
        width: 100%;
        max-height: 0;
        opacity: 0;
        visibility: hidden;
        overflow: hidden;
        background: rgba(0, 0, 0, 0.4);
        border-left: 3px solid var(--color-blue-neon);
        margin: 0;
        padding: 0;
        transition: all 0.3s ease;
        transform: none;
        left: auto;
        right: auto;
        top: auto;
        box-shadow: none;
    }

    .mega-menu:hover .mega-menu-dropdown {
        /* Disable hover on mobile */
        max-height: 0;
        opacity: 0;
        visibility: hidden;
    }

    .mega-menu.active .mega-menu-dropdown {
        max-height: 1500px;
        opacity: 1;
        visibility: visible;
        padding: var(--space-3) 0;
    }

    /* Mega menu grid */
    .mega-menu-grid {
        display: block;
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* Category columns */
    .mega-menu-column {
        padding: var(--space-3) var(--space-4);
        border-bottom: none;
    }

    .mega-menu-column h4 {
        color: var(--color-blue-neon);
        font-size: var(--text-sm);
        margin-bottom: var(--space-2);
        padding: var(--space-2) 0;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .mega-menu-column ul {
        list-style: none;
        padding-left: 0;
        margin: 0;
    }

    .mega-menu-column li {
        margin-bottom: 0;
    }

    .mega-menu-column a {
        display: block;
        padding: var(--space-3) var(--space-2);
        line-height: 1.5;
        font-size: var(--text-sm);
        color: rgba(255, 255, 255, 0.85);
        border-radius: var(--radius-sm);
        transition: all 0.2s ease;
        text-decoration: none;
    }

    .mega-menu-column a:hover,
    .mega-menu-column a:active {
        background: rgba(0, 212, 255, 0.15);
        color: var(--color-blue-neon);
        padding-left: var(--space-4);
        transform: translateX(4px);
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 479px) {
    .container {
        padding: 0 var(--space-3);
    }

    .card {
        padding: var(--space-6);
    }

    .btn-large {
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-base);
    }

    /* Extra small screens - smaller buttons */
    .sticky-btn {
        position: fixed !important;
        width: 45px;
        height: 45px;
        font-size: var(--text-lg);
        bottom: var(--space-3) !important;
        /* 12px - sabit */
    }

    .sticky-btn-whatsapp {
        position: fixed !important;
        right: var(--space-2) !important;
        /* Sağ: 8px - sabit */
    }

    .sticky-btn-phone {
        position: fixed !important;
        left: var(--space-2) !important;
        /* Sol: 8px - sabit */
    }
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

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

.glow {
    animation: glow 2s ease-in-out infinite;
}

.mt-0 {
    margin-top: 0;
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mt-12 {
    margin-top: var(--space-12);
}

.mt-16 {
    margin-top: var(--space-16);
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

/* Mobilde ağır animasyonları devre dışı bırak */
@media (max-width: 767px) {

    .hero-content.animate-fade-in-up,
    .card.reveal,
    .reveal {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    /* Card hover'ı basitleştir */
    .card:hover {
        transform: translateY(-4px);
    }
}

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

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

    .hero-content.animate-fade-in-up,
    .card.reveal,
    .reveal {
        animation: none !important;
    }
}

/* Hero background için optimize edilmiş background */
.hero-background {
    background-image: url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    will-change: auto;
    /* GPU acceleration sadece gerektiğinde */
}

.mb-0 {
    margin-bottom: 0;
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mb-12 {
    margin-bottom: var(--space-12);
}

.mb-16 {
    margin-bottom: var(--space-16);
}

.pt-8 {
    padding-top: var(--space-8);
}

.pb-8 {
    padding-bottom: var(--space-8);
}

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

*:focus-visible {
    outline: 2px solid var(--color-blue-neon);
    outline-offset: 2px;
}

/* ===== LOADING STATES ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-blue-neon);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
}

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