/* --- ROOT VARIABLES & RESET --- */
:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #0ea5e9;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-body: #020617;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.08);
    --gradient: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%);
    --radius: 12px;
    --transition: all 0.3s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.55);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
}

.section-tag {
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: 1.5px;
    margin-bottom: 10px;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 48px auto;
    font-size: 1rem;
}

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

/* --- NAVBAR --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 18px 0;
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

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

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

/* --- HERO SECTION --- */
.hero {
    padding: 180px 0 100px 0;
    position: relative;
}

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

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-text h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.hero-img-wrapper {
    position: relative;
}

.hero-img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border);
}

/* --- SERVICES SECTION --- */
.services {
    padding: 100px 0;
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.service-icon {
    width: 54px;
    height: 54px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

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

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

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

.portfolio-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.2);
}

.portfolio-img {
    width: 100%;
    height: 230px;
    object-fit: cover;
}

.portfolio-info {
    padding: 24px;
}

.portfolio-info h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.portfolio-info p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* --- PRICING SECTION --- */
.pricing {
    padding: 100px 0;
    background: var(--bg-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.price-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid var(--border);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.price-card.popular {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.25);
}

.badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--gradient);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.price-amount {
    font-size: 2.8rem;
    font-weight: 800;
    margin: 20px 0;
}

.price-amount span {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 400;
}

.price-features {
    margin-bottom: 32px;
}

.price-features li {
    margin-bottom: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.price-features li i {
    color: var(--secondary);
}

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

.contact-box {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 48px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

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

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

.contact-form input, 
.contact-form textarea {
    width: 100%;
    padding: 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.contact-form input:focus, 
.contact-form textarea:focus {
    border-color: var(--primary);
}

/* --- FOOTER --- */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
}

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

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

    .nav-links {
        display: none;
    }

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