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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #f97316;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
    --radius-lg: 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--dark);
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 800;
}

.logo-icon {
    font-size: 28px;
}

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

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    font-weight: 500;
    color: var(--gray);
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

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

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero .highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
}

.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--light);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.services {
    padding: 100px 0;
    background: var(--white);
}

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

.service-card {
    position: relative;
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--light);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

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

.service-card.featured {
    background: var(--gradient);
    color: var(--white);
    border: none;
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.9);
}

.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--secondary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-card.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--gray);
    border-top: 1px solid var(--light);
}

.service-card.featured .service-features li {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Portfolio */
.portfolio {
    padding: 100px 0;
    background: var(--light);
}

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

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    transform: translateY(100%);
    transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 8px;
}

.portfolio-overlay h4 {
    font-size: 18px;
    font-weight: 600;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

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

.testimonial-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--light);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    color: var(--secondary);
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-card blockquote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    color: var(--white);
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-info strong {
    display: block;
    font-weight: 600;
}

.author-info span {
    font-size: 14px;
    color: var(--gray);
}

/* About */
.about {
    padding: 100px 0;
    background: var(--light);
}

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

.about-text h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 24px;
}

.about-text p {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature {
    display: flex;
    gap: 16px;
}

.feature-icon {
    font-size: 32px;
}

.feature strong {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature p {
    font-size: 14px;
    margin-bottom: 0;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* CTA */
.cta {
    padding: 100px 0;
    background: var(--dark);
    color: var(--white);
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta > .container > .cta-content > p {
    font-size: 18px;
    color: var(--gray-light);
    margin-bottom: 40px;
}

.cta-form {
    text-align: left;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-family: inherit;
    border: 1px solid var(--dark-light);
    border-radius: var(--radius);
    background: var(--dark-light);
    color: var(--white);
    transition: border-color 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-light);
}

/* Contact Info */
.contact-info {
    padding: 60px 0;
    background: var(--dark-light);
    color: var(--white);
}

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

.contact-item {
    padding: 24px;
}

.contact-icon {
    font-size: 32px;
    margin-bottom: 16px;
    display: block;
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 14px;
    color: var(--gray-light);
}

.contact-item a {
    color: var(--primary-light);
    transition: color 0.3s;
}

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

/* Footer */
.footer {
    padding: 60px 0 24px;
    background: var(--dark);
    color: var(--white);
}

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

.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    color: var(--gray);
}

.footer-links h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--gray);
    padding: 8px 0;
    transition: color 0.3s;
}

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

.footer-social h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    font-size: 24px;
    transition: transform 0.3s;
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--dark-light);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

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

    .hero h1 {
        font-size: 44px;
    }

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

@media (max-width: 768px) {
    .header .btn {
        display: none;
    }

    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 36px;
    }

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

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .hero-image {
        order: -1;
    }

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

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

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .section-header h2 {
        font-size: 28px;
    }

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

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

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
}