/* ========================================
   Sections - Specific Section Styles
   ======================================== */

/* ===== Header & Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: transparent;
    z-index: var(--z-index-sticky);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

@media (prefers-color-scheme: dark) {
    .header.scrolled {
        background: rgba(15, 23, 42, 0.95);
    }
}

.nav {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

.nav-cta {
    margin-left: var(--spacing-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    cursor: pointer;
}

.nav-toggle-icon {
    width: 100%;
    height: 3px;
    background: var(--color-text-primary);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 280px;
        height: calc(100vh - var(--header-height));
        background: var(--color-text-white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-2xl);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-slow);
    }

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

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .nav-cta {
        margin-left: 0;
        width: 100%;
    }
}

@media (prefers-color-scheme: dark) and (max-width: 1024px) {
    .nav-menu {
        background: var(--color-light-dark);
    }
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(99, 102, 241, 0.05) 0%,
            rgba(139, 92, 246, 0.05) 50%,
            rgba(6, 182, 212, 0.05) 100%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-2xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-2xl);
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
}

/* ===== About Section ===== */
.about {
    background: #FFFFFF;
}

@media (prefers-color-scheme: dark) {
    .about {
        background: var(--color-light-dark);
    }
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.about-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-light);
    border-radius: var(--border-radius-xl);
    transition: all var(--transition-base);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.about-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.about-card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.about-card-text {
    color: var(--color-text-secondary);
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background: #FFFFFF;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
    .service-card {
        background: var(--color-light-dark);
    }
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.service-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
}

.service-features li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    margin-right: var(--spacing-sm);
}

.service-link {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
}

.service-link:hover {
    gap: var(--spacing-sm);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Pricing Section ===== */
.pricing {
    background: var(--color-light-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    align-items: start;
}

.pricing-card {
    background: #FFFFFF;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card-featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.pricing-card-featured:hover {
    transform: scale(1.05) translateY(-8px);
}

@media (prefers-color-scheme: dark) {
    .pricing {
        background: var(--color-dark);
    }

    .pricing-card {
        background: var(--color-light-dark);
    }
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-text-white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.pricing-name {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.pricing-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.price-currency {
    font-size: var(--font-size-2xl);
    vertical-align: top;
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
}

.price-period {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.pricing-features {
    margin-bottom: var(--spacing-2xl);
}

.pricing-features li {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-light-darker);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.feature-included {
    color: var(--color-text-primary);
}

.feature-excluded {
    color: var(--color-text-light);
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card-featured {
        transform: scale(1);
    }

    .pricing-card-featured:hover {
        transform: translateY(-8px);
    }
}

/* ===== Portfolio Section ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-2xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-title {
    color: var(--color-text-white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.portfolio-category {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.portfolio-link {
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    align-self: flex-start;
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Testimonials Section ===== */
.testimonials {
    background: var(--color-light-dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: #FFFFFF;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

@media (prefers-color-scheme: dark) {
    .testimonials {
        background: var(--color-dark);
    }

    .testimonial-card {
        background: var(--color-light-dark);
    }
}

.testimonial-rating {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--color-text-secondary);
    font-style: italic;
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.author-company {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

@media (max-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Process Section ===== */
.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.process-step:not(:last-child)::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 40px;
    width: 2px;
    height: calc(100% + var(--spacing-3xl));
    background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-light-darker) 100%);
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--color-text-white);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}

.step-content {
    background: #FFFFFF;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
}

@media (prefers-color-scheme: dark) {
    .step-content {
        background: var(--color-light-dark);
    }
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.step-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

@media (max-width: 768px) {
    .process-step {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-md);
    }

    .process-step:not(:last-child)::before {
        left: 30px;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
}

/* ===== Contact Section ===== */
.contact {
    background: #FFFFFF;
}

@media (prefers-color-scheme: dark) {
    .contact {
        background: var(--color-light-dark);
    }
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-4xl);
}

.contact-form-wrapper {
    background: var(--color-light);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-info-card {
    padding: var(--spacing-xl);
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
}

.contact-info-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.contact-info-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.contact-info-text {
    color: var(--color-text-secondary);
}

.contact-info-text a {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.contact-info-text a:hover {
    color: var(--color-primary-dark);
}

.contact-social-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

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

/* ===== Footer ===== */
.footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--line-height-relaxed);
}

.footer-subtitle {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--color-light);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    text-align: center;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}