:root {
    --primary-color: #00d2ff;
    --secondary-color: #3a7bd5;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-white: #f8fafc;
    --text-gray: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--glass-border);
}

/* Banner Top */
.banner-top {
    padding-top: 80px;
    padding-bottom: 20px;
    background-color: var(--bg-dark);
}

.main-banner {
    width: 80%;
    max-width: 900px;
    display: block;
    margin: 0 auto;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.main-banner:hover {
    transform: scale(1.01);
    border-color: var(--primary-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

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

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-white);
    font-weight: 400;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 50vh;
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-top: 30px;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--text-gray);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    margin-left: 15px;
}

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

.hero-gradient {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.1) 0%, transparent 70%);
    filter: blur(80px);
    z-index: 1;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.about-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    text-align: center;
}

.about-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-item {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: scale(1.02);
}

.portfolio-img {
    height: 200px;
    overflow: hidden;
}

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

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

.portfolio-info {
    padding: 25px;
}

.portfolio-info h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.portfolio-info p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: var(--bg-card);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-family: inherit;
}

.form-group textarea {
    height: 150px;
    resize: none;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    width: 30px;
}

.info-item .fa-whatsapp {
    color: #25d366;
}

.contact-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-white);
    transition: var(--transition);
}

.contact-link p {
    font-size: 1rem;
    margin: 0;
}

.contact-link:hover {
    transform: translateX(5px);
}

.whatsapp-link:hover {
    color: #25d366;
}

.email-link:hover {
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    height: 3px;
    width: 100%;
    background-color: var(--text-white);
    border-radius: 3px;
    transition: var(--transition);
}

.menu-toggle.is-active .bar:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.menu-toggle.is-active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active .bar:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
}

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

.social-links a {
    color: var(--text-gray);
    font-size: 1.5rem;
    margin-left: 20px;
    transition: var(--transition);
}

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

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards;
}

.animate-left {
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeSide 0.8s forwards;
}

.animate-right {
    opacity: 0;
    transform: translateX(30px);
    animation: fadeSide 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

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

@keyframes fadeSide {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

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

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        border-left: 1px solid var(--glass-border);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

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

    .nav-links li {
        margin: 20px 0;
    }

    .nav-links a {
        font-size: 1.25rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .social-links {
        margin-top: 10px;
    }

    .social-links a {
        margin: 0 10px;
    }
}