/* ========================================
   ADEN ELEKTRONIK - Main Stylesheet
   ======================================== */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a56db;
    --primary-dark: #1243b0;
    --primary-light: #e8effc;
    --secondary: #f59e0b;
    --secondary-dark: #d97706;
    --dark: #111827;
    --dark-2: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --whatsapp: #25d366;
    --danger: #ef4444;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--gray-700);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    padding: 12px 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
    padding: 8px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    color: var(--dark);
    font-weight: 500;
    letter-spacing: -0.5px;
}

.logo i {
    color: var(--secondary);
    font-size: 1.5rem;
}

.logo strong {
    color: var(--primary);
    font-weight: 700;
}

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

.nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary) !important;
    color: var(--white) !important;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 26px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 4px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f1b4d 0%, #1a3a8f 40%, #1a56db 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 86, 219, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(5px);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
}

.hero-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 3;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

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

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

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

.btn-whatsapp:hover {
    background: #1fb855;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

/* ---------- Sections ---------- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--gray-500);
    font-size: 1.05rem;
}

/* ---------- Services ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

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

.service-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}

.service-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ---------- Features / Neden Biz ---------- */
.neden-biz {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-item {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.feature-item p {
    color: var(--gray-500);
    font-size: 0.88rem;
    line-height: 1.6;
}

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

.about-content .section-tag {
    display: inline-block;
}

.about-content .section-title {
    text-align: left;
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 28px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.stat-item:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

.stat-item i {
    font-size: 1.3rem;
    color: var(--primary);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
}

.stat-item strong {
    display: block;
    color: var(--dark);
    font-size: 0.95rem;
}

.stat-item span {
    color: var(--gray-500);
    font-size: 0.82rem;
}

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

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    max-width: 420px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #1a56db 0%, #0f1b4d 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.about-image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 70%);
}

.about-image-placeholder i {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.about-image-placeholder span {
    font-size: 1.2rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ---------- Iletisim ---------- */
.iletisim {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-card h4 {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.contact-card p,
.contact-card a {
    color: var(--dark);
    font-size: 0.95rem;
    font-weight: 500;
}

.contact-card a:hover {
    color: var(--primary);
}

.contact-map {
    min-height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gray-200);
    box-shadow: var(--shadow-md);
}

/* ---------- CTA Section ---------- */
.cta-section {
    background: linear-gradient(135deg, #1a56db 0%, #0f1b4d 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
    color: var(--white);
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--dark-2);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--gray-500);
}

.footer h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--gray-500);
    font-size: 0.88rem;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-services ul li {
    color: var(--gray-500);
    font-size: 0.88rem;
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.88rem;
    color: var(--gray-500);
}

.footer-contact a {
    color: var(--gray-500);
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-contact i {
    color: var(--primary);
    margin-top: 4px;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.82rem;
    color: var(--gray-600);
}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 96px;
    width: 44px;
    height: 44px;
    background: var(--white);
    color: var(--primary);
    border: 1px solid var(--gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ---------- Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 24px 24px;
        gap: 4px;
        box-shadow: var(--shadow-xl);
        transition: right 0.35s ease;
        z-index: 998;
    }

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

    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
    }

    .nav-cta {
        justify-content: center;
        margin-top: 12px;
    }

    .hero {
        min-height: 90vh;
        padding-top: 100px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .section {
        padding: 70px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content {
        text-align: center;
    }

    .about-content .section-tag {
        margin: 0 auto 16px;
    }

    .about-image-placeholder {
        max-width: 300px;
    }

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

    .contact-map {
        min-height: 300px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .back-to-top {
        right: 24px;
        bottom: 96px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .service-card {
        padding: 28px 20px;
    }

    .contact-card {
        padding: 16px;
    }
}