:root {
    --bg: #0d0d0f;
    --bg-light: #151518;
    --accent: #4a6cf7;
    --accent-hover: #6d86ff;
    --text: #ffffff;
    --text-muted: #b3b3b3;
    --radius: 12px;
    --transition: 0.25s ease;
}

/* GLOBAL */
body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0.35;
    pointer-events: none;
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(12px);
    background: rgba(20, 20, 25, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    position: relative;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    padding-bottom: 4px;
    transition: var(--transition);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
    transform: translateX(-50%);
}

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

.nav-links a:hover {
    color: var(--accent);
    text-shadow: 0 0 8px rgba(74, 108, 247, 0.4);
}

.nav-links a.active {
    color: var(--accent);
}

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

/* HERO */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    text-align: center;
    padding: 0 20px;
    padding-top: 320px;
    background: radial-gradient(circle at top, #1a1a1d, #0d0d0f);
}

.hero-content {
    margin-top: -60px;
    background: rgba(255, 255, 255, 0.05);
    padding: 25px 35px;
    border-radius: 20px;
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.25);
    animation: fadeIn 1.2s ease forwards;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 10px;
    color: white;
    text-shadow: 0 0 12px rgba(74, 108, 247, 0.8);
}

.hero p {
    font-size: 22px;
    color: var(--text-muted);
    text-shadow: 0 0 8px rgba(74, 108, 247, 0.6);
}

/* BUTTON */
.btn-primary {
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;

    padding: 12px 26px;
    min-width: 150px;
    max-width: 220px;
    margin: 0 auto;

    background: transparent;
    color: var(--text);
    font-size: 17px;
    font-weight: 600;

    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius);

    cursor: pointer;
    transition: 0.3s ease;
    overflow: hidden;
}

.btn-primary:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-primary::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(74, 108, 247, 0.25),
        transparent
    );
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

/* ANIMATION */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* CONTACT FORM */
.contact-form-pro {
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
    padding: 45px 50px;

    background: rgba(255, 255, 255, 0.05);
    border-radius: 18px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.12);

    text-align: left;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 15px;
    font-weight: 600;
    color: var(--accent);
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(8px);
    color: var(--text);
    font-size: 16px;
    transition: 0.25s ease;
}

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

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 12px rgba(74, 108, 247, 0.4);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* SKILLS SECTION */
.skills-premium {
    margin: 160px auto;
    max-width: 1200px;
    text-align: center;
    padding: 0 20px;
}

.skills-title {
    font-size: 42px;
    color: var(--accent);
    margin-bottom: 10px;
    text-shadow: 0 0 12px rgba(74, 108, 247, 0.4);
}

.skills-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 60px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.skill-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 18px;
    padding: 35px 28px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    transition: 0.35s ease;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.25);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 0 35px rgba(74, 108, 247, 0.4);
}

.skill-icon {
    font-size: 42px;
    margin-bottom: 15px;
}

.skill-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: white;
}

.skill-card p {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* FOOTER */
.footer {
    margin-top: 80px;
    padding: 40px 20px;
    background: rgba(20, 20, 25, 0.4);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: center;
    gap: 120px;
    text-align: center;
}

.footer-empty {
    width: 200px;
}

.contact-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-section h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--accent);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 16px;
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent);
    text-shadow: 0 0 8px rgba(74, 108, 247, 0.4);
    transform: translateX(4px);
}

.footer-bottom {
    margin-top: 25px;
    padding-top: 10px;
    padding-bottom: 6px;
    text-align: center;
    width: 100%;
    color: var(--text-muted);
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-legal {
    margin-top: 8px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    justify-content: center;
    gap: 10px;
}

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

.footer-legal a:hover {
    color: var(--accent);
    text-shadow: 0 0 8px rgba(74, 108, 247, 0.4);
}

/* INTRO TEXT */
.intro-premium {
    margin-top: 60px;
    text-align: center;
}

.intro-text {
    font-size: 24px;
    color: var(--text-muted);
    text-shadow: 0 0 10px rgba(74, 108, 247, 0.4);
    letter-spacing: 0.5px;
    opacity: 0;
    animation: fadeIn 1.2s ease forwards;
}