/* Base & Tokens */
:root {
    --primary: #3b82f6;
    /* Modern Blue */
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary: #6366f1;
    /* Indigo */
    --accent: #f59e0b;
    /* Amber for highlights */
    --bg-darker: #020617;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-white: #f8fafc;
    --text-muted: #94a3b8;
    --glass: rgba(15, 23, 42, 0.7);
    --border: rgba(255, 255, 255, 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-darker);
    color: var(--text-white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

/* Typography & Layout Helpers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 0 auto;
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 1.5rem auto 0;
}

/* Buttons */
.btn {
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid var(--border);
    backdrop-filter: blur(5px);
}

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

.btn-nav {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 12px;
}

.full-width {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--glass);
    backdrop-filter: blur(15px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
    letter-spacing: -1px;
}

.logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: white;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 30px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(15, 23, 42, 0.4) 0%, rgba(2, 6, 23, 0.9) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero-title span {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.mouse {
    width: 26px;
    height: 44px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    margin: 8px auto;
    border-radius: 2px;
    animation: mouse-scroll 1.5s infinite;
}

@keyframes mouse-scroll {
    0% {
        transform: translateY(0);
        opacity: 1;
    }

    100% {
        transform: translateY(15px);
        opacity: 0;
    }
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    background: rgba(30, 41, 59, 0.9);
}

.service-icon {
    margin-bottom: 25px;
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-list li {
    font-size: 0.85rem;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-list li::before {
    content: '→';
    color: var(--primary);
    font-weight: bold;
}

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

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
    transition: transform 0.4s ease, opacity 0.4s ease;
    display: none;
    /* Hidden by default, JS reveals 3 per category */
    opacity: 0;
    transform: scale(0.95);
}

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

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2, 6, 23, 0.9) 0%, transparent 70%);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

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

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

.overlay-content h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.overlay-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.5);
}

.image-experience {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--primary);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

.image-experience .years {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
}

.image-experience .text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.features-list {
    margin: 30px 0;
    display: grid;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-item .check {
    width: 24px;
    height: 24px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.about-cta {
    margin-top: 40px;
}

/* Load More */
.load-more-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
    width: 100%;
}

#loadMoreBtn {
    min-width: 200px;
}

.hidden {
    display: none !important;
}

/* Contact */
.contact {
    padding: 100px 0;
    background: var(--bg-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-card {
    display: flex;
    gap: 20px;
    align-items: center;
    background: var(--bg-card);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.info-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: var(--bg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.info-text h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-text p,
.info-text a {
    color: var(--text-muted);
    text-decoration: none;
}

.contact-form-wrapper {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid var(--border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-group.checkbox input {
    width: auto;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand .logo {
    font-size: 2rem;
    margin-bottom: 15px;
    display: inline-block;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 100px;
}

.link-group h4 {
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.link-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-group a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.link-group a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Social Icons */
.footer-social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    color: var(--text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icon:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 992px) {

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

    .footer-links {
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        padding: 50px;
        transition: var(--transition);
        z-index: 1001;
    }

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

    .menu-toggle {
        display: flex;
    }

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

    .contact-form-wrapper {
        padding: 30px;
    }

    .image-experience {
        right: 0;
        bottom: 0;
        padding: 20px;
    }
}