/**
 * Sinavel Mühendislik - Custom Styles
 */

/* ==================== Base Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
}

/* ==================== Header Styles ==================== */
#header {
    transition: all 0.3s ease;
}

#header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #f97316, #fb923c);
    transition: width 0.3s ease;
}

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

/* ==================== Hero Slider ==================== */
.hero-slider {
    position: relative;
    height: 85vh;
    min-height: 600px;
}

.hero-slider .swiper-slide {
    position: relative;
    overflow: hidden;
}

.hero-slider .slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    transition: transform 8s ease;
}

.hero-slider .swiper-slide-active .slide-bg {
    transform: scale(1);
}

.hero-slider .slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 64, 175, 0.7) 100%);
}

.hero-slider .slide-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-slider .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.hero-slider .swiper-pagination-bullet-active {
    background: #f97316;
    width: 30px;
    border-radius: 6px;
}

.hero-slider .swiper-button-next,
.hero-slider .swiper-button-prev {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

.hero-slider .swiper-button-next:after,
.hero-slider .swiper-button-prev:after {
    font-size: 18px;
}

.hero-slider .swiper-button-next:hover,
.hero-slider .swiper-button-prev:hover {
    background: #f97316;
}

/* ==================== Service Cards ==================== */
.service-card {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    transition: all 0.4s ease;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #1e40af, #f97316);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-card .icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.service-card:hover .icon-wrapper {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    transform: rotateY(180deg);
}

.service-card .icon-wrapper i {
    color: white;
    width: 36px;
    height: 36px;
    transition: transform 0.4s ease;
}

.service-card:hover .icon-wrapper i {
    transform: rotateY(-180deg);
}

/* ==================== Statistics Section ==================== */
.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #1e40af 0%, #f97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== Project Cards ==================== */
.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
}

.project-card .project-image {
    height: 300px;
    overflow: hidden;
}

.project-card .project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-card .project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    transition: all 0.4s ease;
}

.project-card:hover .project-overlay {
    background: linear-gradient(to top, rgba(15, 23, 42, 0.98) 0%, rgba(30, 64, 175, 0.8) 100%);
}

.project-card .project-content {
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.project-card:hover .project-content {
    transform: translateY(0);
}

/* ==================== Blog Cards ==================== */
.blog-card {
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.4s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.blog-card .blog-image {
    height: 220px;
    overflow: hidden;
}

.blog-card .blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

/* ==================== Buttons ==================== */
.btn-primary {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(30, 64, 175, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    color: white;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(249, 115, 22, 0.3);
}

.btn-outline {
    border: 2px solid #1e40af;
    color: #1e40af;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    background: #1e40af;
    color: white;
}

/* ==================== Section Titles ==================== */
.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #f97316, #fb923c);
    border-radius: 2px;
}

.section-title.center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* ==================== Clients/Partners ==================== */
.client-logo {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ==================== Contact Form ==================== */
.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: #1e40af;
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

/* ==================== Breadcrumb ==================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.breadcrumb a {
    color: #6b7280;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #1e40af;
}

.breadcrumb .separator {
    color: #d1d5db;
}

.breadcrumb .current {
    color: #1e40af;
    font-weight: 500;
}

/* ==================== Page Header ==================== */
.page-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e40af 100%);
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    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='0.05'%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");
    opacity: 0.5;
}

/* ==================== Animations ==================== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4); }
    50% { box-shadow: 0 0 20px 10px rgba(249, 115, 22, 0); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #1e40af, #3b82f6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #1e3a8a, #1e40af);
}

/* ==================== Loading Spinner ==================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e5e7eb;
    border-top-color: #1e40af;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .hero-slider {
        height: 70vh;
        min-height: 500px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .project-card .project-image {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-slider {
        height: 60vh;
        min-height: 400px;
    }
}