* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #0f0f0f;
    color: #e5e5e5;
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 10%;
    background: #111;
    box-shadow: 0 15px 40px rgba(0,0,0,0.8);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: #ffffff;
}

nav a {
    margin-left: 22px;
    text-decoration: none;
    color: #bdbdbd;
    font-weight: 500;
    transition: 0.3s;
}

nav a:hover {
    color: #ffffff;
}

/* HERO */
.hero {
    height: 92vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at top, #1a1a1a, #0a0a0a);
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: 1px;
}

.hero span {
    color: #9ca3af;
}

.hero p {
    margin: 18px 0 30px;
    font-size: 18px;
    color: #cfcfcf;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    justify-content: center;
}

/* BUTTONS */
.btn {
    padding: 14px 34px;
    background: #ffffff;
    color: #000;
    border-radius: 35px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 15px 40px rgba(0,0,0,0.7);
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-6px);
    background: #e5e5e5;
}

.btn.outline {
    background: transparent;
    border: 2px solid #555;
    color: #e5e5e5;
}

/* ABOUT & INTERNSHIP */
.about, .internship {
    padding: 80px 10%;
    text-align: center;
}

.about h2,
.internship h2,
.skills h2,
.contact h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about p,
.internship p {
    font-size: 17px;
    line-height: 1.7;
    color: #bdbdbd;
}

/* SKILLS */
.skills {
    padding: 90px 10%;
    background: #111;
}

.skills-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.skill-box {
    width: 300px;
    padding: 35px;
    border-radius: 22px;
    background: linear-gradient(145deg, #141414, #0c0c0c);
    box-shadow:
        0 20px 60px rgba(0,0,0,0.9),
        inset 0 0 0 rgba(255,255,255,0.02);
    transition: all 0.35s ease;
}

.skill-box h3 {
    margin-bottom: 12px;
    color: #ffffff;
}

.skill-box p {
    color: #bdbdbd;
}

.hover-card:hover {
    transform: translateY(-12px) scale(1.04);
    box-shadow: 0 30px 80px rgba(0,0,0,1);
}

/* CONTACT */
.contact {
    padding: 90px 10%;
    background: radial-gradient(circle at top, #1a1a1a, #000);
    text-align: center;
}

.social-links {
    margin-top: 35px;
    display: flex;
    justify-content: center;
    gap: 22px;
    flex-wrap: wrap;
}

.social-links a {
    padding: 14px 28px;
    background: #111;
    color: #e5e5e5;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 15px 40px rgba(0,0,0,0.9);
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-6px);
    background: #1f1f1f;
}

/* FOOTER */
footer {
    background: #000;
    color: #777;
    text-align: center;
    padding: 18px;
    font-size: 14px;
}

/* ANIMATIONS */
.fade-in {
    animation: fadeIn 1.6s ease forwards;
}

.slide-up {
    animation: slideUp 1.4s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}