/* ===== RESET & GLOBAL ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

:root {
    --primary: #6c5ce7;
    --primary-dark: #5a4bd1;
    --secondary: #fd79a8;
    --accent: #00cec9;
    --dark: #0a0a1a;
    --dark-card: #14142b;
    --text: #e8e8f0;
    --text-muted: #a0a0b8;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    --radius: 20px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-ring {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top-color: var(--primary);
    border-bottom-color: var(--secondary);
    animation: spin 1s linear infinite;
}

.loader-text {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-muted);
    letter-spacing: 4px;
    text-transform: uppercase;
}

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

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary);
    border: 1px solid rgba(108, 92, 231, 0.2);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.2;
}

.section-desc {
    max-width: 500px;
    margin: 12px auto 0;
    color: var(--text-muted);
    font-size: 16px;
}

/* ===== BUTTONS ===== */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(108, 92, 231, 0.5);
}

.btn-secondary {
    background: var(--glass);
    color: var(--text);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* ===== NAVBAR ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
}

.logo-icon {
    color: var(--primary);
    font-size: 24px;
}

.logo-text {
    background: linear-gradient(135deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
}

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

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.15), transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(253, 121, 168, 0.1), transparent 60%);
    pointer-events: none;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary);
    border: 1px solid rgba(108, 92, 231, 0.2);
    margin-bottom: 20px;
    animation: fadeUp 1s ease 0.3s both;
}

.hero-title {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 20px;
    animation: fadeUp 1s ease 0.5s both;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
    animation: fadeUp 1s ease 0.7s both;
}

.hero-sub .highlight {
    color: var(--secondary);
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeUp 1s ease 0.9s both;
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.hero-orb {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.2), transparent 70%);
    position: absolute;
    animation: pulseOrb 3s ease-in-out infinite;
}

@keyframes pulseOrb {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
}

.floating-card {
    position: absolute;
    padding: 16px 24px;
    border-radius: 16px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 6s ease-in-out infinite;
    box-shadow: var(--shadow);
}

.floating-card i {
    font-size: 24px;
    color: var(--primary);
}

.floating-card span {
    font-weight: 600;
    font-size: 14px;
}

.card-1 { top: 10%; left: 0; animation-delay: 0s; }
.card-2 { bottom: 20%; right: 5%; animation-delay: 2s; }
.card-3 { top: 50%; right: -10%; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: bounceDown 2s ease-in-out infinite;
}

.scroll-indicator i {
    font-size: 18px;
}

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== ABOUT ===== */
.about {
    padding: 100px 0;
}

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

.about-image {
    position: relative;
}

.about-image-frame {
    border-radius: var(--radius);
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
    padding: 4px;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: calc(var(--radius) - 4px);
    background: var(--dark-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--primary);
}

.about-experience {
    position: absolute;
    bottom: -20px;
    right: -20px;
    padding: 20px 28px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    text-align: center;
    box-shadow: 0 12px 40px rgba(108, 92, 231, 0.4);
}

.exp-number {
    display: block;
    font-size: 32px;
    font-weight: 900;
    color: #fff;
}

.exp-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 16px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.stat-item {
    text-align: center;
    padding: 16px;
    border-radius: 12px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== SERVICES ===== */
.services {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.02);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 32px 24px;
    border-radius: var(--radius);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(108, 92, 231, 0.15);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

/* ===== PORTFOLIO ===== */
.portfolio {
    padding: 100px 0;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    color: #fff;
    border-color: var(--primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.portfolio-item {
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover {
    transform: translateY(-4px);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--dark-card);
    border-radius: var(--radius);
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    padding: 24px;
    text-align: center;
}

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

.portfolio-overlay h4 {
    font-size: 20px;
    margin-bottom: 4px;
}

.portfolio-overlay p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 16px;
}

.portfolio-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: var(--transition);
}

.portfolio-link:hover {
    transform: scale(1.1) rotate(45deg);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.02);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 32px 24px;
    border-radius: var(--radius);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.testimonial-stars {
    color: #fbbf24;
    margin-bottom: 12px;
    font-size: 14px;
}

.testimonial-card p {
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 16px;
}

.testimonial-author .author-name {
    display: block;
    font-weight: 600;
    font-size: 15px;
}

.testimonial-author .author-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== CONTACT ===== */
.contact {
    padding: 100px 0;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

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

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.contact-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    transition: var(--transition);
}

.contact-social a:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    transform: translateY(-3px);
}

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

.contact-form input,
.contact-form textarea {
    padding: 16px 20px;
    border-radius: 12px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form button {
    align-self: flex-start;
}

/* ===== FOOTER ===== */
.footer {
    padding: 60px 0 24px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
}

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

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-social a:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--glass-border);
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.05);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-image {
        min-height: 250px;
    }

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

    .about-stats {
        justify-items: center;
    }

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

    .contact-form button {
        align-self: center;
    }

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

    .footer-links {
        align-items: center;
    }

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

    .floating-card {
        display: none;
    }
}

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

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--dark-card);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        transition: var(--transition);
        border-left: 1px solid var(--glass-border);
        padding: 40px;
    }

    .nav-links.open {
        right: 0;
    }

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

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

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

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

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

    .hero-title {
        font-size: 32px;
    }
}