:root {
    --crust: #11111b;
    --mantle: #181825;
    --base: #1e1e2e;
    --surface0: #313244;
    --surface1: #45475a;
    --text: #cdd6f4;
    --subtext1: #bac2de;
    --subtext0: #a6adc8;
    --blue: #89b4fa;
    --mauve: #cba6f7;
    --sapphire: #74c7ec;
    --gradient: linear-gradient(90deg, var(--mauve), var(--blue));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 7%;
}

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

/* --- Navigation --- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(24, 24, 37, 0.85);
    backdrop-filter: blur(12px);
    z-index: 2000;
    border-bottom: 1px solid var(--surface0);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.logo { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.5px; }

.nav-menu { display: flex; align-items: center; gap: 2.5rem; }

.nav-links { display: flex; gap: 2rem; }

.nav-links a {
    color: var(--subtext1);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: 0.3s;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Buttons --- */
.btn-primary, .btn-github {
    padding: 0.7rem 1.6rem;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: var(--gradient);
    color: var(--crust) !important;
}

.btn-github {
    background: var(--surface0);
    color: var(--text) !important;
    border: 1px solid var(--surface1);
}

.btn-primary:hover, .btn-github:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    filter: brightness(1.1);
}

/* --- Hero --- */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-text h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); line-height: 1; margin: 1rem 0; }
.hero-text h2 { font-weight: 400; color: var(--subtext1); }
.hero-text .subtitle { font-size: 1.2rem; margin-bottom: 2.5rem; }

.image-wrapper {
    background: var(--gradient);
    padding: 6px;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morph 8s ease-in-out infinite;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.hero-image img {
    width: 320px;
    height: 320px;
    object-fit: cover;
    border-radius: inherit;
    border: 6px solid var(--base);
}

@keyframes morph {
    0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

/* --- Sections --- */
section { padding: 6rem 0; }
.alt-bg { background: var(--mantle); }
.section-title { font-size: 2.5rem; text-align: center; margin-bottom: 4rem; }

.about-card {
    background: var(--surface0);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--surface1);
    max-width: 850px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
}

.skill-tag {
    background: var(--mantle);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--surface0);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: 0.3s;
}

.skill-tag:hover { border-color: var(--blue); transform: scale(1.05); }

/* --- Projects --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--base);
    padding: 2.5rem;
    border-radius: 18px;
    border: 1px solid var(--surface0);
    transition: 0.4s;
}

.project-card h3 { margin-bottom: 1rem; color: var(--mauve); }
.project-card p { color: var(--subtext0); margin-bottom: 2rem; }
.project-card:hover {
    border-color: var(--mauve);
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

footer {
    text-align: center;
    padding: 3rem 0;
    background: var(--crust);
    border-top: 1px solid var(--surface0);
}

/* --- Responsive Layout --- */
@media (max-width: 968px) {
    .hero-content { flex-direction: column-reverse; text-align: center; }
    .hero-image img { width: 260px; height: 260px; }

    .menu-toggle { display: block; }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--mantle);
        flex-direction: column;
        padding: 3rem;
        transition: 0.4s;
    }

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

    .nav-links { flex-direction: column; align-items: center; gap: 2.5rem; }
    .nav-links a { font-size: 1.2rem; }
}