:root {
    --bg-dark: #0b1d1f;
    --bg-dark-2: #081517;
    --surface: rgba(19, 42, 45, 0.6);
    --surface-solid: #122b2e;
    --accent-gold: #e6a558;
    --accent-teal: #57d9b3;
    --text-main: #eef5f3;
    --text-muted: #93aca8;
    --border: rgba(255, 255, 255, 0.09);
    --font-display: 'Fraunces', serif;
    --font-body: 'Sora', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    position: relative;
}

/* --- BACKGROUND CANVAS + GRID --- */
#tech-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(230, 165, 88, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(230, 165, 88, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    z-index: -3;
    pointer-events: none;
}

.ambient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(130px);
    z-index: -1;
    opacity: 0.35;
    animation: orbFloat 12s infinite alternate ease-in-out;
}
.orb-1 { width: 380px; height: 380px; background: var(--accent-teal); top: 8%; left: -8%; }
.orb-2 { width: 420px; height: 420px; background: var(--accent-gold); bottom: 5%; right: -8%; animation-delay: 3s; }

@keyframes orbFloat {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-40px) scale(1.12); }
}

/* --- NAV --- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.2rem 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(8, 21, 23, 0.72);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 1px;
}
.nav-logo span { color: var(--accent-teal); }

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.2rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--accent-gold); }

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

/* --- SECTIONS --- */
section {
    min-height: 100vh;
    padding: 120px 8% 80px 8%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    box-sizing: border-box;
}

.section-head {
    margin-bottom: 3.2rem;
}

.head-tag {
    display: block;
    font-family: var(--font-mono);
    color: var(--accent-gold);
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
}

.section-head h2 {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* --- REVEAL ANIMATIONS (alternating slide-in) --- */
.reveal {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.from-left { transform: translateX(-45px); }
.reveal.from-right { transform: translateX(45px); }
.reveal.from-up { transform: translateY(35px); }
.reveal.active { opacity: 1; transform: translate(0, 0); }

/* --- HERO --- */
.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 3rem;
}

.eyebrow {
    font-family: var(--font-mono);
    color: var(--accent-teal);
    font-size: 1rem;
    margin-bottom: 1rem;
    display: inline-block;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease forwards;
}

.hero-text h1 {
    font-family: var(--font-display);
    font-size: 3.6rem;
    font-weight: 600;
    line-height: 1.05;
    margin-bottom: 1.2rem;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 0.15s forwards;
}

.hero-text h1 .accent { color: var(--accent-gold); font-style: italic; }

.hero-text p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 480px;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 0.3s forwards;
}

.btn-group {
    display: flex;
    gap: 1.2rem;
    opacity: 0;
    animation: fadeSlideUp 0.7s ease 0.45s forwards;
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn {
    padding: 13px 28px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border: none;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--bg-dark-2);
}
.btn-primary:hover { background: var(--accent-teal); transform: translateY(-3px); }

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent-teal); color: var(--accent-teal); transform: translateY(-3px); }

/* --- HERO VISUAL: VIGNETTE PHOTO + FLOATING PREVIEW WINDOW --- */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.photo-frame {
    position: relative;
    width: 320px;
    height: 380px;
    border-radius: 38% 62% 55% 45% / 45% 40% 60% 55%;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 30px 60px rgba(0,0,0,0.45);
}

.photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Photographic vignette overlay - darkens edges, no circular crop */
.photo-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 42%, transparent 40%, rgba(8, 21, 23, 0.85) 100%);
    pointer-events: none;
}

.photo-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(140deg, var(--accent-gold), transparent 40%, var(--accent-teal));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 3;
    pointer-events: none;
}

/* --- FULL-SECTION BACKGROUND VIDEO (dimmed, sits behind section content) --- */
section.has-media { overflow: hidden; }

.section-media {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}



.section-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3)
            contrast(1.0)
            saturate(1.08);
}

.section-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        rgba(8,21,23,0.25),
        rgba(8,21,23,0.45)
    );
}

.media-tag {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-teal);
    background: rgba(8, 21, 23, 0.55);
    border: 1px solid var(--border);
    padding: 5px 12px;
    border-radius: 20px;
}

/* --- CLICKABLE ICONS (feedback pop) --- */
.icon-btn {
    cursor: pointer;
    transition: transform 0.25s ease, color 0.25s ease;
}
.icon-btn:active { transform: scale(0.82); }
.icon-btn.pop { animation: iconPop 0.35s ease; }

@keyframes iconPop {
    0% { transform: scale(1); }
    45% { transform: scale(1.3); color: var(--accent-gold); }
    100% { transform: scale(1); }
}

/* --- ABOUT --- */
.about-wrap {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}
.about-wrap p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-main);
}
.about-wrap .quote-mark {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--accent-gold);
    line-height: 0.5;
    display: block;
    margin-bottom: 1rem;
}

/* --- GLASS CARD --- */
.glass-card {
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}
.glass-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-teal);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* --- EDUCATION --- */
.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 700px;
}
.badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 3px 10px;
    border-radius: 20px;
}
.edu-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin: 12px 0 6px;
}
.edu-card .inst { color: var(--text-muted); font-size: 0.92rem; }

/* --- SKILLS --- */
.skills-layout {
    max-width: 700px;
}

.tag-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    padding: 10px 16px;
    border-radius: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: 0.3s;
}
.skill-tag .bracket { color: var(--accent-gold); }
.skill-tag:hover { border-color: var(--accent-teal); color: var(--accent-teal); transform: translateY(-3px); }

.skills-sub {
    font-family: var(--font-mono);
    color: var(--accent-teal);
    font-size: 0.85rem;
    margin: 2rem 0 1rem;
    letter-spacing: 1px;
}

.skill-tag { cursor: pointer; }
.skill-tag:active { transform: scale(0.92); }

/* --- CERTIFICATES --- */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.cert-card { text-align: center; }
.cert-view-btn {
    margin-top: 16px;
    padding: 9px 22px;
    border: 1px solid var(--accent-gold);
    background: rgba(230, 165, 88, 0.08);
    color: var(--accent-gold);
    border-radius: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.cert-view-btn:hover {
    background: var(--accent-gold);
    color: var(--bg-dark-2);
}
.project-icon-wrapper {
    font-size: 1.8rem;
    color: var(--accent-teal);
    margin-bottom: 12px;
}

/* --- PROJECTS --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.8rem;
}
.project-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 6px;
}
.project-card p { color: var(--text-muted); font-size: 0.9rem; }

/* --- CONTACT --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.status-pulse {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-teal);
    border: 1px solid var(--accent-teal);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 1.2rem;
}
.pulse-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent-teal);
    box-shadow: 0 0 8px var(--accent-teal);
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0% { opacity: 1; } 50% { opacity: 0.3; } 100% { opacity: 1; }
}

.cyber-h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 16px;
    background: rgba(255,255,255,0.03);
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: 0.3s;
}
.contact-info-item:hover { border-color: var(--accent-gold); transform: translateX(8px); }
.contact-info-item i { color: var(--accent-gold); font-size: 1.1rem; }

.social-grid-mini { display: flex; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.social-icon-btn {
    width: 42px; height: 42px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.04); border: 1px solid var(--border);
    color: var(--text-main); text-decoration: none; transition: 0.3s;
}
.social-icon-btn:hover { border-color: var(--accent-teal); color: var(--accent-teal); transform: translateY(-4px); }

.message-card {
    padding: 36px;
    border: 1px solid rgba(230, 165, 88, 0.2);
}
.message-card h3 {
    font-family: var(--font-display);
    margin-bottom: 20px;
    color: var(--accent-gold);
    font-size: 1.4rem;
}
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-family: var(--font-body);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--text-muted); }

.btn-send {
    padding: 14px;
    border-radius: 10px;
    border: none;
    background: var(--accent-gold);
    color: var(--bg-dark-2);
    font-weight: 800;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-send:hover { background: var(--accent-teal); transform: scale(1.02); }

/* --- QUOTE FOOTER --- */
.quote-strip {
    text-align: center;
    padding: 50px 8%;
    border-top: 1px solid var(--border);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--accent-gold);
}

footer {
    text-align: center;
    padding: 25px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
    background: var(--bg-dark-2);
    font-family: var(--font-mono);
}

/* --- CERT MODAL --- */
.cert-modal {
    display: none;
    position: fixed;
    z-index: 20000;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(4, 12, 13, 0.88);
    backdrop-filter: blur(6px);
    justify-content: center;
    align-items: center;
}
.cert-modal.show { display: flex; }
.cert-modal-box {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    padding: 14px;
    border-radius: 16px;
    background: var(--surface-solid);
    border: 1px solid var(--accent-gold);
    transform: scale(0.85);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
}
.cert-modal.show .cert-modal-box { transform: scale(1); opacity: 1; }
.cert-modal-content { display: block; max-width: 80vw; max-height: 78vh; border-radius: 8px; }
.cert-modal-close {
    position: absolute;
    top: -16px; right: -16px;
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-gold);
    color: var(--bg-dark-2);
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.cert-modal-close:hover { transform: rotate(90deg); }

/* --- TOAST --- */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--accent-gold);
    color: var(--bg-dark-2);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    transform: translateY(100px);
    transition: transform 0.3s ease;
    z-index: 10000;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.toast.show { transform: translateY(0); }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
    .hero-visual { order: -1; scale: 0.85; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .btn-group { justify-content: center; }
    .skills-layout { grid-template-columns: 1fr; }
    .tag-grid { justify-content: center; }
    .contact-container { grid-template-columns: 1fr; }
    nav .nav-links { display: none; }
    .menu-toggle { display: block; }
    .hero-text h1 { font-size: 2.5rem; }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(8, 21, 23, 0.97);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
    }
    .nav-links.active { left: 0; display: flex; }
}