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

:root {
    --mint: #bbedde;
    --mint-dark: #7dd4bc;
    --dark: #1a1a2e;
    --mid: #4a4a6a;
    --light: #f5f5f5;
    --white: #ffffff;
    --font-display: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
}

/* ===== NAVBAR ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 6%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(187, 237, 222, 0.3);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--dark);
    text-decoration: none;
}

.nav-logo span {
    color: var(--mint-dark);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--mid);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s;
}

/* ===== HERO ===== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 6% 4rem;
    background: linear-gradient(135deg, var(--white) 60%, rgba(187, 237, 222, 0.2) 100%);
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(187, 237, 222, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 700px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mint-dark);
    margin-bottom: 1.5rem;
    padding: 0.4rem 1rem;
    background: rgba(187, 237, 222, 0.2);
    border-radius: 20px;
    border: 1px solid var(--mint);
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 1rem;
}

.hero-title {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--mid);
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1rem;
    color: var(--mid);
    max-width: 540px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--dark);
    color: var(--white);
    padding: 0.85rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
    background: var(--mint-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--dark);
    padding: 0.85rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1.5px solid var(--dark);
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--mint-dark);
    color: var(--mint-dark);
    transform: translateY(-2px);
}

/* ===== SECTIONS ===== */
section {
    padding: 6rem 6%;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mint-dark);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-sub {
    color: var(--mid);
    max-width: 540px;
    line-height: 1.8;
    margin-bottom: 3rem;
}

/* ===== ABOUT ===== */
#about {
    background: var(--light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--mid);
    line-height: 1.9;
    margin-bottom: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 3px solid var(--mint);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--dark);
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--mid);
    font-weight: 500;
}

/* ===== SKILLS ===== */
#skills {
    background: var(--white);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--white);
    border: 1px solid rgba(187, 237, 222, 0.5);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(187, 237, 222, 0.3);
    border-color: var(--mint);
}

.skill-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
    margin-bottom: 0.3rem;
}

.skill-level {
    font-size: 0.75rem;
    color: var(--mint-dark);
    font-weight: 500;
}

/* ===== PROJECTS ===== */
#projects {
    background: var(--light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.project-header {
    background: linear-gradient(135deg, var(--dark) 0%, #2d2d4e 100%);
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.project-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(187, 237, 222, 0.1);
}

.project-number {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--mint);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.project-type {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.project-body {
    padding: 1.5rem 2rem 2rem;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--mid);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    background: rgba(187, 237, 222, 0.2);
    color: var(--mint-dark);
    border: 1px solid rgba(187, 237, 222, 0.4);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-links a {
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.2s;
}

.project-links a:hover {
    color: var(--mint-dark);
}

/* ===== CONTACT ===== */
#contact {
    background: var(--dark);
}

#contact .section-label {
    color: var(--mint);
}

#contact .section-title {
    color: var(--white);
}

#contact .section-sub {
    color: rgba(255, 255, 255, 0.6);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    border: 1px solid rgba(187, 237, 222, 0.15);
    transition: all 0.2s;
}

.contact-link:hover {
    background: rgba(187, 237, 222, 0.08);
    border-color: var(--mint);
    color: var(--mint);
}

.contact-icon {
    font-size: 1.2rem;
    width: 36px;
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(187, 237, 222, 0.2);
    border-radius: 6px;
    padding: 0.85rem 1rem;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-mint {
    background: var(--mint);
    color: var(--dark);
    padding: 0.9rem 2rem;
    border-radius: 6px;
    border: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    align-self: flex-start;
}

.btn-mint:hover {
    background: var(--mint-dark);
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
footer {
    background: #111122;
    padding: 2rem 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

footer p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

footer p span {
    color: var(--mint);
}

/* ===== FADE IN ANIMATION ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== MOBILE MENU ===== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem 6%;
        gap: 1.25rem;
        border-bottom: 1px solid var(--mint);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    .nav-links.open {
        display: flex;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    #hero {
        padding-top: 7rem;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        text-align: center;
    }
}