/* ========================================
   PAYTR TARZI MODERN KURUMSAL TASARIM
   Tamamen Sıfırdan Yeniden Yapıldı
   ======================================== */

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

:root {
    --primary: #0099FF;
    --primary-dark: #0077CC;
    --primary-light: #E5F3FF;
    --secondary: #0077CC;
    --dark: #0A2540;
    --gray: #6B7280;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
    --radius: 16px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 400;
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

/* ✨ HEADER - PAYTR TASARIMI */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 0;
    background: transparent;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.site-header.scrolled {
    padding: 10px 0;
    background: rgba(0, 153, 255, 0.88);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    color: white;
    font-size: 13px;
    font-weight: 500;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.header-top-left {
    display: flex;
    gap: 30px;
    align-items: center;
}

.header-top-left span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-top-right {
    display: flex;
    gap: 24px;
    align-items: center;
}

.header-top-right a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.header-top-right a:hover {
    opacity: 0.7;
}

.header-top-right span {
    display: flex;
    align-items: center;
    gap: 6px;
    border-left: 1px solid rgba(255,255,255,0.2);
    padding-left: 20px;
}

.header-top a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 15px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 28px;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    color: rgba(255,255,255,0.95);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 10px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.main-nav a:hover {
    background: rgba(255,255,255,0.1);
}

.header-actions {
    display: flex;
    gap: 12px;
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    color: white;
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

.btn-outline:hover::before {
    left: 100%;
}

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

.btn-solid {
    background: white;
    color: var(--primary);
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.btn-solid::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 153, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

.btn-solid:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

.btn-solid:hover::before {
    left: 100%;
}

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

/* ✅ SLIDER */
.slider-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    padding-top: 125px;
}

.slider {
    display: flex;
    width: 500%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide {
    width: 20%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.slide-content {
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 24px;
    z-index: 2;
}

.slide-content h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.slide-content p {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.slider-btn {
    position: absolute;
    top: 55%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: none;
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev {
    left: 30px;
}

.slider-next {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    transform: scale(1.3);
}

/* MARQUEE BAR */
.marquee-bar {
    background: var(--dark);
    padding: 12px 0;
    overflow: hidden;
}

.marquee-track {
    display: flex;
    gap: 60px;
    animation: marquee 20s linear infinite;
}

.marquee-track span {
    color: white;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
}

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

/* WHATSAPP BUTTON */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
    z-index: 9999;
    transition: all 0.3s ease;
}

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

/* MODAL */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: white;
    border-radius: 16px;
    padding: 40px;
    max-width: 450px;
    width: 90%;
    position: relative;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--gray);
}

.modal-box h3 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--dark);
}

.modal-form input {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 16px;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    font-size: 15px;
}

.modal-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
}

.modal-text {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
}

.password-field {
    position: relative;
}

.password-field input {
    padding-right: 50px;
}

.pass-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    font-size: 16px;
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s ease;
}

.pass-toggle:hover {
    color: var(--primary);
}

/* HERO SECTION */
.hero {
    min-height: 680px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding-top: 140px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    right: -100px;
    top: 100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-btn {
    background: var(--dark);
    color: white;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.hero-image {
    position: relative;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

/* STATS SECTION */
.stats-section {
    padding: 70px 0;
    background: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 30px 20px;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 15px;
    color: var(--gray);
}

/* SERVICES TABS */
.services-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
    border-bottom: 2px solid var(--light-gray);
}

.tab-item {
    padding: 16px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.tab-item.active {
    color: var(--primary);
}

.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.7;
}

/* FOOTER */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
}

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: #9CA3AF;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: #6B7280;
    font-size: 14px;
}

/* MOBILE */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 992px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin: 0 auto 32px auto;
    }

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

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

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

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

    .header-top {
        display: none;
    }
}

/* OTHER PAGES SAME HERO */
.page-hero {
    min-height: 320px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding-top: 160px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    display: none;
}

.page-hero .hero-wrapper {
    display: block;
    text-align: center;
}

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

.page-hero .hero-desc {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
}

.page-breadcrumb {
    text-align: center;
    font-size: 16px;
    opacity: 0.85;
}

.page-breadcrumb a {
    color: white;
    text-decoration: none;
}

.about-features {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-feature i {
    color: var(--primary);
    font-size: 18px;
}

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

.service-detailed {
    padding: 40px 32px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-list {
    margin: 20px 0;
    padding: 0;
    list-style: none;
}

.service-list li {
    padding: 6px 0;
    color: var(--gray);
    font-size: 14px;
}

.service-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.service-btn:hover {
    background: var(--primary-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    margin-bottom: 20px;
}

.contact-items {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
}

.contact-text h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-text p {
    color: var(--gray);
    margin: 0;
}

.contact-text a {
    color: var(--primary);
    text-decoration: none;
}

.contact-form-box h2 {
    margin-bottom: 24px;
}

.contact-form {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-dark);
}

.main-nav a.active {
    background: rgba(255,255,255,0.15);
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .services-full {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 32px;
    }
}