/* ============================================================
   NATHAN JANIT PORTFOLIO — style.css
   ============================================================ */

:root {
    --bg:          #070d1a;
    --bg2:         #0d1626;
    --bg3:         #111827;
    --card:        rgba(255,255,255,0.04);
    --card-hover:  rgba(255,255,255,0.07);
    --border:      rgba(255,255,255,0.07);
    --border-hi:   rgba(0,212,255,0.35);
    --cyan:        #00d4ff;
    --cyan-dim:    rgba(0,212,255,0.12);
    --cyan-glow:   rgba(0,212,255,0.25);
    --purple:      #a855f7;
    --purple-dim:  rgba(168,85,247,0.12);
    --gold:        #f59e0b;
    --gold-dim:    rgba(245,158,11,0.15);
    --green:       #10b981;
    --red:         #ef4444;
    --text:        #e2e8f0;
    --text-dim:    #94a3b8;
    --text-mute:   #475569;
    --radius:      14px;
    --radius-sm:   8px;
    --shadow:      0 4px 32px rgba(0,0,0,0.5);
    --shadow-cyan: 0 0 24px rgba(0,212,255,0.2);
    --transition:  all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
strong { color: #fff; }
mark {
    background: var(--cyan-dim);
    color: var(--cyan);
    padding: 0 4px;
    border-radius: 4px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── NAV ──────────────────────────────────────────────────── */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 5%;
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(7,13,26,0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 14px 5%;
}

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: -0.5px;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}
.nav-logo:hover { text-shadow: 0 0 16px var(--cyan); }

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: var(--transition);
}
.nav-links a:hover { color: var(--text); }

.nav-btn {
    background: var(--cyan-dim) !important;
    color: var(--cyan) !important;
    border: 1px solid var(--border-hi);
    padding: 7px 18px;
    border-radius: 6px;
    font-size: 0.85rem !important;
    transition: var(--transition) !important;
}
.nav-btn:hover {
    background: var(--cyan-glow) !important;
    box-shadow: var(--shadow-cyan);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dim);
    border-radius: 2px;
    transition: var(--transition);
}

/* ── HERO ─────────────────────────────────────────────────── */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--cyan-dim);
    border: 1px solid var(--border-hi);
    color: var(--cyan);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 28px;
    letter-spacing: 0.3px;
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-name {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, var(--cyan) 60%, var(--purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-typewriter {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--cyan);
    margin-bottom: 24px;
    min-height: 2em;
}

.cursor {
    animation: blink 1s step-end infinite;
    color: var(--cyan);
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-dim);
    margin-bottom: 36px;
    line-height: 1.8;
}

.x-sep { color: var(--purple); font-weight: 700; }

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.btn-primary {
    background: var(--cyan);
    color: #000;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: 8px;
    transition: var(--transition);
    box-shadow: 0 0 32px rgba(0,212,255,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 48px rgba(0,212,255,0.5);
}

.btn-secondary {
    background: var(--card);
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.btn-secondary:hover {
    background: var(--card-hover);
    border-color: var(--border-hi);
    transform: translateY(-2px);
}

.hero-socials {
    display: flex;
    gap: 28px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-mute);
    font-size: 0.85rem;
    transition: var(--transition);
}
.social-link:hover { color: var(--cyan); }

.scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-mute);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fade-float 3s ease infinite;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-mute), transparent);
}
@keyframes fade-float {
    0%,100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.8; transform: translateX(-50%) translateY(6px); }
}

/* ── SECTION COMMON ─────────────────────────────────────────── */
section { padding: 100px 0; }

.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    white-space: nowrap;
    letter-spacing: -0.5px;
}

.section-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border), transparent);
}

/* ── STATS ────────────────────────────────────────────────── */
#stats {
    padding: 60px 0;
    background: var(--bg2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: flex;
    gap: 0;
    justify-content: space-around;
    flex-wrap: wrap;
}

.stat-card {
    text-align: center;
    padding: 32px 24px;
    flex: 1;
    min-width: 160px;
    border-right: 1px solid var(--border);
    transition: var(--transition);
}
.stat-card:last-child { border-right: none; }
.stat-card:hover { background: var(--card); }

.stat-num {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--cyan);
    line-height: 1;
    margin-bottom: 8px;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -1px;
}
.stat-icon { font-size: 2.4rem; margin-bottom: 8px; }
.stat-label { font-size: 0.85rem; color: var(--text-dim); line-height: 1.4; }
.stat-label strong { color: var(--text); display: block; font-size: 0.95rem; }
.stat-sub { font-size: 0.72rem; color: var(--text-mute); margin-top: 6px; }

.gpa-hover { cursor: help; transition: var(--transition); }
.gpa-hover:hover { color: var(--gold); text-shadow: 0 0 20px var(--gold); }

/* ── TIMELINE ─────────────────────────────────────────────── */
#experience { background: var(--bg); }

.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.tl-item {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    align-items: start;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.tl-item.visible { opacity: 1; transform: translateY(0); }

.tl-meta {
    padding-top: 24px;
    text-align: right;
}

.tl-date {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--cyan);
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.tl-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
}
.tl-tags span {
    font-size: 0.68rem;
    color: var(--text-mute);
    background: var(--card);
    border: 1px solid var(--border);
    padding: 3px 9px;
    border-radius: 100px;
}

.tl-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    position: relative;
}
.tl-card::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 28px;
    width: 14px;
    height: 14px;
    background: var(--bg2);
    border: 2px solid var(--cyan);
    border-radius: 50%;
}
.tl-card:hover {
    border-color: var(--border-hi);
    box-shadow: var(--shadow-cyan);
    background: var(--card-hover);
}

.tl-role { margin-bottom: 16px; }
.tl-role h3 { font-size: 1.15rem; font-weight: 700; color: #fff; }
.tl-company {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 4px;
    display: block;
}

.tl-bullets { padding-left: 18px; }
.tl-bullets li {
    list-style: disc;
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 8px;
    line-height: 1.6;
}
.tl-bullets li::marker { color: var(--cyan); }

/* ── EDUCATION ────────────────────────────────────────────── */
#education { background: var(--bg2); }

.edu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.edu-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}
.edu-card.visible { opacity: 1; transform: translateY(0); }
.edu-card:hover { border-color: var(--border-hi); box-shadow: var(--shadow-cyan); }

.edu-top {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.edu-badge {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}
.uw-badge { background: #FFD100; color: #000; }
.wlu-badge { background: #4E2583; color: #fff; }

.edu-top h3 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.edu-school { font-size: 0.83rem; color: var(--text-dim); display: block; margin-bottom: 2px; }
.edu-year { font-size: 0.75rem; color: var(--text-mute); font-family: 'JetBrains Mono', monospace; }

.edu-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
    padding: 16px;
    background: rgba(0,0,0,0.2);
    border-radius: var(--radius-sm);
}
.edu-stat { text-align: center; flex: 1; }
.edu-stat strong {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--cyan);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
    margin-bottom: 4px;
}
.edu-stat small { font-size: 0.72rem; color: var(--text-dim); }

.edu-awards { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.edu-award {
    font-size: 0.8rem;
    color: var(--text-dim);
    background: var(--gold-dim);
    border: 1px solid rgba(245,158,11,0.2);
    padding: 6px 12px;
    border-radius: 6px;
}

.edu-courses { display: flex; flex-wrap: wrap; gap: 6px; }
.course-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 3px 9px;
    border-radius: 4px;
    color: var(--text-dim);
}

.edu-double-note {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--purple-dim);
    border: 1px solid rgba(168,85,247,0.2);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 20px;
}
.double-icon { font-size: 1.5rem; flex-shrink: 0; color: var(--purple); }
.edu-double-note p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.6; }

/* ── PROJECTS ─────────────────────────────────────────────── */
#projects { background: var(--bg); }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.proj-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    transform: translateY(20px);
    cursor: default;
}
.proj-card.visible { opacity: 1; transform: translateY(0); }
.proj-card:hover {
    border-color: var(--border-hi);
    transform: translateY(-4px);
    box-shadow: var(--shadow-cyan);
    background: var(--card-hover);
}
.proj-card.featured { border-color: rgba(0,212,255,0.2); }

.proj-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}
.proj-icon { font-size: 1.8rem; }

.proj-links { display: flex; gap: 8px; align-items: center; }
.proj-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cyan);
    transition: var(--transition);
}
.proj-link:hover { text-shadow: 0 0 8px var(--cyan); }
.proj-link.muted { color: var(--text-mute); cursor: default; }

.demo-link {
    background: var(--cyan-dim);
    border: 1px solid var(--border-hi);
    padding: 4px 12px;
    border-radius: 100px;
}
.demo-link:hover { background: var(--cyan-glow); }

.proj-award-badge {
    font-size: 0.72rem;
    background: var(--gold-dim);
    border: 1px solid rgba(245,158,11,0.3);
    color: var(--gold);
    padding: 4px 10px;
    border-radius: 100px;
}

.proj-card h3 { font-size: 1.05rem; font-weight: 700; color: #fff; }

.proj-card p { font-size: 0.875rem; color: var(--text-dim); line-height: 1.65; flex: 1; }

.proj-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.proj-tags span {
    font-size: 0.7rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text-mute);
    padding: 3px 9px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
}

.proj-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.proj-date { font-size: 0.72rem; color: var(--text-mute); }

.proj-status {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 100px;
}
.proj-status.active { background: rgba(16,185,129,0.12); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.proj-status.done   { background: var(--cyan-dim);         color: var(--cyan);  border: 1px solid var(--border-hi); }
.proj-status.award  { background: var(--gold-dim);          color: var(--gold);  border: 1px solid rgba(245,158,11,0.3); }

/* ── SKILLS ───────────────────────────────────────────────── */
#skills { background: var(--bg2); }

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.skill-group {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.skill-group.visible { opacity: 1; transform: translateY(0); }

.skill-group-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-mute);
    margin-bottom: 14px;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 9px; }

.stag {
    padding: 7px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid;
    transition: var(--transition);
    cursor: default;
}
.stag:hover { transform: translateY(-2px); }
.stag.high {
    background: var(--cyan-dim);
    color: var(--cyan);
    border-color: rgba(0,212,255,0.25);
}
.stag.high:hover { box-shadow: 0 0 16px var(--cyan-dim); }
.stag.med {
    background: var(--card);
    color: var(--text-dim);
    border-color: var(--border);
}
.stag.low {
    background: transparent;
    color: var(--text-mute);
    border-color: var(--border);
    opacity: 0.7;
}

/* ── CONTACT ──────────────────────────────────────────────── */
#contact {
    background: var(--bg);
    text-align: center;
}

.contact-inner {
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.contact-inner.visible { opacity: 1; transform: translateY(0); }

.contact-heading {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-sub {
    color: var(--text-dim);
    margin-bottom: 40px;
    font-size: 1rem;
    line-height: 1.7;
}

.contact-links {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 24px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    background: var(--card);
    border: 1px solid var(--border);
    transition: var(--transition);
    color: var(--text-dim);
}
.contact-btn:hover {
    background: var(--card-hover);
    border-color: var(--border-hi);
    color: var(--text);
    transform: translateY(-2px);
}
.contact-btn.primary-contact {
    background: var(--cyan-dim);
    border-color: var(--border-hi);
    color: var(--cyan);
}
.contact-btn.primary-contact:hover {
    background: var(--cyan-glow);
    box-shadow: var(--shadow-cyan);
}

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
    padding: 32px 24px;
    background: var(--bg2);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--text-mute);
    flex-wrap: wrap;
}
.footer-name { color: var(--text-dim); font-weight: 600; }
.footer-link { color: var(--text-mute); transition: var(--transition); }
.footer-link:hover { color: var(--cyan); }

.footer-secret {
    margin-top: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-mute);
    opacity: 0.5;
}

/* ── TOAST ────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg3);
    border: 1px solid var(--border-hi);
    color: var(--text);
    padding: 12px 24px;
    border-radius: 100px;
    font-size: 0.88rem;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: var(--shadow-cyan);
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── EASTER EGG MODAL ─────────────────────────────────────── */
.ee-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(12px);
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.ee-modal.active { opacity: 1; pointer-events: all; }

.ee-modal-inner {
    background: var(--bg2);
    border: 1px solid var(--border-hi);
    border-radius: 20px;
    padding: 48px;
    text-align: center;
    max-width: 440px;
    width: 90%;
    box-shadow: var(--shadow-cyan);
}
.ee-icon { font-size: 4rem; margin-bottom: 16px; animation: ee-bounce 0.6s ease; }
@keyframes ee-bounce {
    0% { transform: scale(0); }
    70% { transform: scale(1.2); }
    100% { transform: scale(1); }
}
.ee-modal-inner h2 { font-size: 1.8rem; font-weight: 900; color: var(--cyan); margin-bottom: 12px; }
.ee-modal-inner p { color: var(--text-dim); font-size: 0.93rem; margin-bottom: 24px; line-height: 1.6; }
.ee-modal-inner button {
    background: var(--cyan);
    color: #000;
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}
.ee-modal-inner button:hover { opacity: 0.85; }

/* ── CONFETTI ─────────────────────────────────────────────── */
.confetti-piece {
    position: fixed;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    top: -10px;
    z-index: 9997;
    animation: confetti-fall linear forwards;
    pointer-events: none;
}
@keyframes confetti-fall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}

/* ── SPOOLUNKING CHARACTER ───────────────────────────────── */
.spooky-char {
    position: fixed;
    bottom: 20%;
    font-size: 2.5rem;
    z-index: 9996;
    pointer-events: none;
    animation: spooky-run 4s linear forwards;
}
@keyframes spooky-run {
    from { left: -80px; }
    to   { left: 110vw; }
}

/* ── AOS ANIMATIONS ──────────────────────────────────────── */
[data-aos] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].visible {
    opacity: 1;
    transform: translateY(0);
}
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="150"] { transition-delay: 0.15s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="250"] { transition-delay: 0.25s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 960px) {
    .tl-item { grid-template-columns: 1fr; }
    .tl-meta { text-align: left; padding-top: 0; }
    .tl-tags { justify-content: flex-start; }
    .tl-card::before { display: none; }
    .projects-grid { grid-template-columns: 1fr 1fr; }
    .edu-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
    section { padding: 70px 0; }
    .nav-links { display: none; flex-direction: column; gap: 1.5rem;
        position: fixed; top: 0; right: 0; height: 100vh; width: 280px;
        background: var(--bg2); border-left: 1px solid var(--border);
        padding: 80px 32px; z-index: 999;
        transition: transform 0.3s ease; transform: translateX(100%); }
    .nav-links.open { display: flex; transform: translateX(0); }
    .nav-links a { font-size: 1.1rem; color: var(--text); }
    .nav-toggle { display: flex; z-index: 1001; }
    .projects-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .stats-grid { gap: 0; }
    .stat-card { border-right: none; border-bottom: 1px solid var(--border); min-width: 50%; }
    .hero-actions { flex-direction: column; align-items: center; }
    .contact-links { flex-direction: column; align-items: stretch; }
}