/* ============================================
   KCS.net.tr - OPTIMIZED VERSION
   ============================================ */

:root {
    --color-text: rgb(29, 49, 60);
    --color-text-light: rgba(29, 49, 60, 0.7);
    --color-text-lighter: rgba(29, 49, 60, 0.4);
    --color-bg: #f0f4f8;
    --color-white: #ffffff;

    --gradient-blue: #3b82f6;
    --gradient-cyan: #06b6d4;
    --gradient-purple: #8b5cf6;
    --gradient-pink: #ec4899;

    --font-primary: 'Epilogue', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    --transition-fast: 0.2s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    overflow: hidden;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
}

/* ============================================
   SIMPLE ANIMATED BACKGROUND
   ============================================ */

.animated-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, #dbeafe 0%, #f0f4f8 30%, #fce7f3 60%, #e0e7ff 100%);
    background-size: 200% 200%;
    animation: bgShift 15s ease infinite;
    will-change: background-position;
}

@keyframes bgShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* Simplified Floating Text - Only 4 elements */
.floating-text-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.floating-kcs {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-family: var(--font-primary);
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 900;
    font-style: italic;
    color: transparent;
    -webkit-text-stroke: 2px rgba(59, 130, 246, 0.1);
    animation: floatKCS 20s ease-in-out infinite;
    animation-delay: var(--delay);
    user-select: none;
    will-change: transform;
}

@keyframes floatKCS {

    0%,
    100% {
        transform: translate(0, 0) rotate(-5deg);
    }

    50% {
        transform: translate(30px, -30px) rotate(5deg);
    }
}

/* Only 3 blobs instead of 7 */
.gradient-mesh {
    position: absolute;
    inset: 0;
    filter: blur(80px);
    opacity: 0.5;
}

.mesh-blob {
    position: absolute;
    border-radius: 50%;
    will-change: transform;
}

.mesh-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--gradient-blue) 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation: meshMove 20s ease-in-out infinite;
}

.mesh-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--gradient-purple) 0%, transparent 70%);
    bottom: -200px;
    right: -100px;
    animation: meshMove 25s ease-in-out infinite reverse;
}

.mesh-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--gradient-pink) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: meshMove 18s ease-in-out infinite;
}

@keyframes meshMove {

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

    50% {
        transform: translate(50px, 30px) scale(1.1);
    }
}

/* Remove particles, lines, orbs - too heavy */
.particles,
.animated-lines,
.glow-orb {
    display: none;
}

/* Simple grid */
.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--space-xs) var(--space-lg) 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.header-marquee {
    overflow: hidden;
    margin-top: var(--space-xs);
    padding: var(--space-xs) 0;
    border-top: 1px solid rgba(59, 130, 246, 0.08);
}

.header-marquee-track {
    display: flex;
    gap: var(--space-md);
    animation: marquee 20s linear infinite;
    width: max-content;
    will-change: transform;
}

.header-marquee-track span {
    font-size: 0.7rem;
    font-weight: 700;
    font-style: italic;
    color: rgba(59, 130, 246, 0.35);
    white-space: nowrap;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: transform var(--transition-fast);
}

.logo-img:hover {
    transform: scale(1.05);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid transparent;
    border-radius: 50px;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
    color: white;
    transform: scale(1.05);
}

.nav-link-icon {
    transition: transform var(--transition-fast);
}

.nav-link:hover .nav-link-icon {
    transform: translateX(5px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(5rem, 20vw, 16rem);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.05em;
    margin-bottom: var(--space-md);
}

.hero-title-main {
    display: block;
    font-style: italic;
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple), var(--gradient-pink));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-title-sub {
    display: block;
    font-size: 0.25em;
    font-weight: 600;
    font-style: normal;
    letter-spacing: 0.2em;
    color: var(--color-text-light);
    -webkit-text-fill-color: var(--color-text-light);
    margin-top: var(--space-sm);
}

.hero-tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.6rem);
    font-weight: 400;
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto var(--space-lg);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    transition: all var(--transition-fast);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    cursor: pointer;
}

.hero-cta svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.hero-cta:hover svg {
    transform: translateX(5px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-lighter);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.scroll-indicator:hover {
    color: var(--gradient-blue);
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid currentColor;
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: currentColor;
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel 1.5s ease-in-out infinite;
}

@keyframes wheel {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }

    50% {
        transform: translateX(-50%) translateY(8px);
        opacity: 0.3;
    }
}

/* Corner Decorations - Simplified */
.corner-deco {
    position: absolute;
    width: 80px;
    height: 80px;
    border: 2px solid rgba(59, 130, 246, 0.15);
    pointer-events: none;
}

.corner-deco.top-left {
    top: 80px;
    left: 40px;
    border-right: none;
    border-bottom: none;
}

.corner-deco.top-right {
    top: 80px;
    right: 40px;
    border-left: none;
    border-bottom: none;
}

.corner-deco.bottom-left {
    bottom: 40px;
    left: 40px;
    border-right: none;
    border-top: none;
}

.corner-deco.bottom-right {
    bottom: 40px;
    right: 40px;
    border-left: none;
    border-top: none;
}

/* ============================================
   CONTACT OVERLAY
   ============================================ */

.contact-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    overflow-y: auto;
}

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

.contact-close {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 210;
}

.contact-close svg {
    width: 24px;
    height: 24px;
    color: var(--color-text);
}

.contact-close:hover {
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
    transform: rotate(90deg);
}

.contact-close:hover svg {
    color: white;
}

.contact-content {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-xl) var(--space-lg);
    max-width: 1100px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow) 0.15s;
}

.contact-overlay.active .contact-content {
    opacity: 1;
    transform: translateY(0);
}

.contact-header {
    margin-bottom: var(--space-lg);
}

.contact-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-cyan));
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: var(--space-sm);
}

.contact-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    font-style: italic;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-text), var(--gradient-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.contact-name {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-xs);
}

.name-highlight {
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-subtitle {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: var(--color-text);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
    position: relative;
}

.contact-item:hover {
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
    color: white;
    transform: translateX(8px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.25);
}

.contact-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 10px;
    transition: background var(--transition-fast);
}

.contact-item:hover .contact-icon {
    background: rgba(255, 255, 255, 0.2);
}

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

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    font-weight: 600;
}

.contact-value {
    font-size: 1rem;
    font-weight: 600;
}

.contact-item.whatsapp .contact-icon {
    background: rgba(37, 211, 102, 0.15);
    color: #25D366;
}

.contact-item.whatsapp:hover .contact-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.whatsapp-pulse {
    position: absolute;
    right: var(--space-md);
    width: 10px;
    height: 10px;
    background: #25D366;
    border-radius: 50%;
}

/* Visual Rings */
.contact-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 350px;
}

.visual-ring {
    position: absolute;
    border: 2px solid rgba(59, 130, 246, 0.15);
    border-radius: 50%;
    animation: ringRotate 20s linear infinite;
}

.ring-1 {
    width: 280px;
    height: 280px;
}

.ring-2 {
    width: 200px;
    height: 200px;
    animation-direction: reverse;
    border-color: rgba(139, 92, 246, 0.2);
}

.ring-3 {
    width: 120px;
    height: 120px;
    border-color: rgba(236, 72, 153, 0.25);
}

@keyframes ringRotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.visual-center {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--gradient-blue), var(--gradient-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.35);
    padding: 22px;
}

.visual-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* Contact Footer */
.contact-footer {
    margin-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.contact-footer-links {
    display: flex;
    gap: var(--space-sm);
}

.contact-footer-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.contact-footer-links a:hover {
    color: var(--gradient-blue);
}

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

@media (max-width: 1024px) {
    .contact-body {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .contact-visual {
        order: -1;
        height: 200px;
    }

    .ring-1 {
        width: 180px;
        height: 180px;
    }

    .ring-2 {
        width: 130px;
        height: 130px;
    }

    .ring-3 {
        width: 80px;
        height: 80px;
    }

    .visual-center {
        width: 60px;
        height: 60px;
        padding: 12px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--space-xs) var(--space-sm) 0;
    }

    .logo-img {
        height: 32px;
    }

    .nav-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .nav-link-icon {
        display: none;
    }

    .hero {
        padding: var(--space-lg) var(--space-sm);
    }

    .hero-title {
        font-size: clamp(4rem, 22vw, 8rem);
    }

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

    .hero-cta {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .corner-deco {
        display: none;
    }

    .floating-kcs {
        font-size: 3rem !important;
    }

    .mesh-blob {
        width: 200px !important;
        height: 200px !important;
    }

    .contact-content {
        padding: var(--space-lg) var(--space-sm);
    }

    .contact-close {
        top: var(--space-sm);
        right: var(--space-sm);
        width: 40px;
        height: 40px;
    }

    .contact-title {
        font-size: clamp(2rem, 10vw, 4rem);
    }

    .contact-name {
        font-size: 1.5rem;
    }

    .contact-item {
        padding: var(--space-sm);
        gap: var(--space-sm);
    }

    .contact-icon {
        width: 38px;
        height: 38px;
    }

    .contact-value {
        font-size: 0.9rem;
    }

    .contact-visual {
        display: none;
    }

    .contact-footer {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(3rem, 20vw, 5rem);
    }

    .hero-badge {
        font-size: 0.7rem;
    }

    .floating-kcs {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {

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

::selection {
    background: var(--gradient-blue);
    color: white;
}