/*--------------------------------------------------------------------*/
/*               DÜŞKUYUSU MODERN PREMIUM STYLE SYSTEM                */
/*--------------------------------------------------------------------*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Light Mode Variables */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #4f46e5;            /* Indigo */
    --accent-hover: #4338ca;
    --accent-glow: rgba(79, 70, 229, 0.1);
    --secondary-accent: #0891b2;  /* Cyan */
    --border: rgba(15, 23, 42, 0.08);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.01);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --header-bg: rgba(255, 255, 255, 0.85);
    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #0891b2 100%);
    --accent-rgb: 79, 70, 229;
}

body.dark-theme {
    /* Dark Mode Variables - Not too dark (slate / navy hues) */
    --bg-primary: #0b0f19;
    --bg-secondary: #161e2e;
    --bg-tertiary: #1f293d;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;            /* Indigo light */
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.2);
    --secondary-accent: #22d3ee;  /* Cyan light */
    --border: rgba(255, 255, 255, 0.06);
    --card-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(22, 30, 46, 0.75);
    --glass-border: rgba(255, 255, 255, 0.05);
    --header-bg: rgba(11, 15, 25, 0.85);
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
    --accent-rgb: 99, 102, 241;
}

/* Reset and Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.25;
    transition: color 0.4s ease;
}

p {
    margin-bottom: 1.25rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease, border-color 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Helper Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

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

/* Background Glow Blobs */
.glow-bg {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    filter: blur(40px);
    z-index: 0;
    pointer-events: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-hero);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(var(--accent-rgb), 0.4);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

/* Header & Navigation */
header.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: background-color 0.4s ease, height 0.4s ease, border-color 0.4s ease;
}

header.navbar.scrolled {
    height: 70px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
}

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

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-wrapper img {
    height: 48px;
    width: auto;
}

.logo-wrapper span {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-hero);
    transition: width 0.3s ease;
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    position: relative;
    outline: none !important;
}

.theme-toggle-btn:hover {
    background-color: var(--border);
    transform: scale(1.05);
    color: var(--text-primary);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s;
    position: absolute;
}

body:not(.dark-theme) .theme-toggle-btn .sun-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}
body:not(.dark-theme) .theme-toggle-btn .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

body.dark-theme .theme-toggle-btn .sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}
body.dark-theme .theme-toggle-btn .moon-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 3px;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.mobile-toggle span:nth-child(1) { top: 0; }
.mobile-toggle span:nth-child(2) { top: 10px; }
.mobile-toggle span:nth-child(3) { top: 20px; }

.mobile-toggle.open span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}
.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}
.mobile-toggle.open span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* Hero Slider Styles */
.hero {
    position: relative;
    padding-top: 130px;
    padding-bottom: 5rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-image: radial-gradient(circle at 80% 20%, rgba(var(--accent-rgb), 0.04) 0%, rgba(255, 255, 255, 0) 50%);
}

.hero-static {
    margin-bottom: 2rem;
    position: relative;
    z-index: 5;
}

.hero-static h1 {
    font-size: 3.8rem;
    line-height: 1.1;
    margin-bottom: 0.25rem;
    font-weight: 800;
}

.hero-slogan {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0;
}

.hero-slider {
    position: relative;
    min-height: 480px;
    width: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transform: translateX(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    z-index: 2;
}

.hero-slide-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
}

.slide-tag {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 0.75rem;
    display: inline-block;
}

.hero-slide-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 550px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

/* Gear/Icon Artwork Style */
.gear-artwork {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.spin {
    animation: spin-anim 12s linear infinite;
}

.spin-reverse {
    animation: spin-rev-anim 8s linear infinite;
}

@keyframes spin-anim {
    100% { transform: rotate(360deg); }
}

@keyframes spin-rev-anim {
    100% { transform: rotate(-360deg); }
}

.pulse {
    animation: pulse-anim 2s infinite alternate ease-in-out;
}

@keyframes pulse-anim {
    0% { transform: scale(0.95); opacity: 0.8; }
    100% { transform: scale(1.05); opacity: 1; }
}

/* Slider Dots */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 3rem;
    position: relative;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot:hover {
    background-color: var(--text-muted);
}

.dot.active {
    background: var(--gradient-hero);
    width: 28px;
    border-radius: 5px;
}

/* Glowing Server Card Art */
.server-artwork {
    width: 320px;
    height: 400px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.server-artwork::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent 50%, var(--accent) 80%, transparent 100%);
    animation: rotate-conic 8s linear infinite;
    z-index: -1;
    opacity: 0.15;
}

@keyframes rotate-conic {
    100% { transform: rotate(360deg); }
}

.server-rack {
    height: 48px;
    background-color: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.server-leds {
    display: flex;
    gap: 6px;
}

.led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981; /* Green active */
}

.led.blink {
    animation: led-blink 1s infinite alternate;
}

@keyframes led-blink {
    0% { opacity: 0.3; }
    100% { opacity: 1; }
}

.led.blue { background-color: var(--secondary-accent); }
.led.orange { background-color: #f59e0b; }

.server-bars {
    display: flex;
    gap: 4px;
    align-items: flex-end;
    height: 16px;
}

.bar {
    width: 3px;
    height: 100%;
    background-color: var(--accent);
    opacity: 0.3;
    border-radius: 1px;
}

.bar:nth-child(1) { animation: bounce-bar 1.2s infinite ease-in-out; }
.bar:nth-child(2) { animation: bounce-bar 0.8s infinite ease-in-out 0.2s; }
.bar:nth-child(3) { animation: bounce-bar 1.5s infinite ease-in-out 0.4s; }
.bar:nth-child(4) { animation: bounce-bar 1.0s infinite ease-in-out 0.1s; }

@keyframes bounce-bar {
    0%, 100% { height: 30%; opacity: 0.3; }
    50% { height: 100%; opacity: 0.8; }
}

/* Glassmorphism Cards */
.glass-card {
    background-color: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px -15px rgba(var(--accent-rgb), 0.12);
}

/* Infrastructure (Infra) Section */
.infra-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.infra-card {
    padding: 2.5rem 2rem;
    text-align: center;
}

.infra-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--bg-tertiary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.infra-card:hover .infra-icon {
    background: var(--gradient-hero);
    color: #ffffff;
    transform: scale(1.1);
}

.infra-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.infra-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.service-card {
    padding: 3rem;
    display: flex;
    gap: 2rem;
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, transparent 50%, rgba(var(--accent-rgb), 0.05) 100%);
    border-top-right-radius: 20px;
}

.service-icon-box {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon-box {
    background: var(--gradient-hero);
    color: #ffffff;
    transform: scale(1.05);
}

.service-info {
    display: flex;
    flex-direction: column;
}

.service-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.service-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    flex-grow: 1;
}

.service-link {
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
}

.service-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.service-link:hover svg {
    transform: translateX(4px);
}

/* History / Tarihçe Section */
.filter-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.6rem 1.5rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--gradient-hero);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.2);
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    transition: all 0.5s ease;
}

.project-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 360px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card.hide {
    opacity: 0;
    transform: scale(0.8) translateY(30px);
    pointer-events: none;
    position: absolute;
    width: 0;
    height: 0;
    padding: 0;
    margin: 0;
    border: none;
    overflow: hidden;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.project-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
}

.project-footer {
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: stretch;
}

.contact-info-card {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-info-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-intro {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-method-details h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.contact-method-details p, .contact-method-details a {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0;
}

.contact-form-card {
    padding: 3.5rem;
}

.form-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.9rem 1.25rem;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--bg-secondary);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

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

/* Footer */
footer.footer-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 4rem 0 3rem 0;
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-nav {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.footer-nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.footer-nav-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-link {
    color: var(--text-muted);
}

.footer-bottom-link:hover {
    color: var(--text-primary);
}

/* Animation Utilities (Intersection Observer) */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive CSS */
@media (max-width: 1024px) {
    html { font-size: 15px; }
    .hero-content h1 { font-size: 3.5rem; }
    .hero-slogan { font-size: 1.9rem; }
    .services-grid { gap: 2rem; }
}

@media (max-width: 991px) {
    .mobile-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--bg-secondary);
        box-shadow: -10px 0 30px rgba(0,0,0,0.05);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .hero-slider {
        min-height: 600px;
    }
    
    .hero-slide-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-slide-visual {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .hero-static {
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .history-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 640px) {
    .container { padding: 0 1.5rem; }
    .hero-static h1 { font-size: 3rem; }
    .hero-slogan { font-size: 1.5rem; }
    .hero-slider {
        min-height: 680px;
    }
    .hero-slide-content h2 {
        font-size: 1.8rem;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    .infra-grid {
        grid-template-columns: 1fr;
    }
    .history-grid {
        grid-template-columns: 1fr;
    }
    .footer-top {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-nav {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-bottom-links {
        justify-content: center;
    }
}

/* About Section Grid Layout & Typography */
.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 2.2fr;
    gap: 4rem;
    align-items: center;
}

.about-logo-col {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3.5rem 2.5rem;
    box-shadow: var(--card-shadow);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.about-logo-col:hover {
    transform: translateY(-5px);
}

.about-logo {
    max-width: 170px;
    height: auto;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.02));
}

.about-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.about-col h3 {
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.about-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--gradient-hero);
    border-radius: 2px;
}

.about-col p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

@media (max-width: 991px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .about-cols {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Slider Navigation Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 15;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    outline: none !important;
}

.slider-arrow:hover {
    background: var(--gradient-hero);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 5px 15px rgba(56, 189, 248, 0.3);
    transform: translateY(-50%) scale(1.05);
}

.slider-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.prev-arrow {
    left: -70px;
}

.next-arrow {
    right: -70px;
}

@media (max-width: 1200px) {
    .prev-arrow {
        left: -15px;
    }
    .next-arrow {
        right: -15px;
    }
}

@media (max-width: 768px) {
    .slider-arrow {
        display: none;
    }
}