/* ==========================================================================
   RESET & VARIABLES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --paper: #F7F8FB;
    --ink: #14181F;
    --ink-70: rgba(20, 24, 31, 0.7);
    --ink-60: rgba(20, 24, 31, 0.6);
    --ink-50: rgba(20, 24, 31, 0.5);
    --ink-40: rgba(20, 24, 31, 0.4);
    --surface: #FFFFFF;
    --line: #E4E7ED;
    --code: #10151C;
    --teal: #0F9E97;
    --teal-light: #E4F6F5;
    --amber: #F2A93B;
    --amber-light: #FDF1DF;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --shadow-soft: 0 2px 10px rgba(20, 24, 31, 0.06);
    --shadow-card: 0 4px 20px rgba(20, 24, 31, 0.08);

    --max-width: 1152px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

::selection {
    background: rgba(15, 158, 151, 0.2);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--code);
    color: #fff;
}

.navbar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.navbar-logo {
    font-family: var(--font-mono);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.15s;
}

.navbar-logo:hover {
    color: #fff;
}

.navbar-logo .accent {
    color: var(--teal);
}

.nav-links {
    display: none;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 14px;
    gap: 0;
}

.nav-links a {
    padding: 16px;
    border-bottom: 2px solid transparent;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a.active {
    color: #fff;
    border-bottom-color: var(--teal);
}

.navbar-cta {
    display: none;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    background: var(--teal);
    color: var(--code);
    padding: 8px 16px;
    border-radius: 6px;
    transition: background 0.15s;
}

.navbar-cta:hover {
    background: var(--amber);
}

.menu-toggle {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    padding: 4px;
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

.mobile-menu {
    display: none;
    padding-bottom: 16px;
    font-family: var(--font-mono);
    font-size: 14px;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 10px 0;
    color: rgba(255, 255, 255, 0.7);
}

.mobile-menu a.active {
    color: var(--teal);
}

@media (min-width: 768px) {
    .nav-links { display: flex; }
    .navbar-cta { display: inline-flex; }
    .menu-toggle { display: none; }
    .mobile-menu { display: none !important; }
}

/* ==========================================================================
   TYPOGRAPHY HELPERS
   ========================================================================== */
.section-tag {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--teal);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.section-tag::before {
    content: "//";
    color: #B9C0CC;
}

.section-tag.center {
    justify-content: center;
}

.section-heading {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
}

@media (min-width: 768px) {
    .section-heading { font-size: 38px; }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 14px;
    padding: 12px 20px;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--ink);
    color: #fff;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background: var(--teal);
}

.btn-primary.on-dark {
    background: var(--teal);
    color: var(--code);
}

.btn-primary.on-dark:hover {
    background: var(--amber);
    color: var(--code);
}

.btn-secondary {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line);
}

.btn-secondary:hover {
    border-color: var(--ink);
}

.btn-secondary.on-dark {
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.btn-secondary.on-dark:hover {
    border-color: #fff;
}

/* ==========================================================================
   BADGES
   ========================================================================== */
.badge {
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--teal-light);
    color: var(--teal);
    border: 1px solid rgba(15, 158, 151, 0.2);
    display: inline-block;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ==========================================================================
   CARDS
   ========================================================================== */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-soft);
    transition: box-shadow 0.2s, transform 0.2s;
    display: block;
}

.card:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.card.no-padding {
    padding: 0;
    overflow: hidden;
}

/* ==========================================================================
   TERMINAL WINDOW
   ========================================================================== */
.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.dot-red { background: #F2555A; }
.dot-amber { background: #F2A93B; }
.dot-teal { background: #0F9E97; }

.terminal-window {
    background: var(--code);
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-header .filename {
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin-left: 12px;
}

.terminal-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    min-height: 200px;
}

.terminal-body .prompt-user { color: var(--teal); }
.terminal-body .prompt-tilde { color: var(--amber); }
.terminal-body .prompt-white { color: #fff; }
.terminal-body .prompt-dim { color: rgba(255, 255, 255, 0.5); }

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--teal);
    margin-right: 8px;
    vertical-align: middle;
}

/* ==========================================================================
   HERO (Home)
   ========================================================================== */
.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 20px 80px;
    display: grid;
    gap: 48px;
    align-items: center;
}

@media (min-width: 768px) {
    .hero {
        grid-template-columns: 1fr 1fr;
        padding: 96px 20px 112px;
    }
}

.hero-heading {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

@media (min-width: 768px) {
    .hero-heading { font-size: 48px; }
}

.hero-heading .accent {
    color: var(--teal);
}

.hero-text {
    margin-top: 24px;
    font-size: 16px;
    color: var(--ink-70);
    max-width: 420px;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .hero-text { font-size: 18px; }
}

.hero-actions {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-badges {
    margin-top: 40px;
}

/* ==========================================================================
   STATS STRIP
   ========================================================================== */
.stats-strip {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.stats-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    text-align: center;
}

@media (min-width: 768px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-number {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-50);
    margin-top: 4px;
}

/* ==========================================================================
   SECTIONS / LAYOUT
   ========================================================================== */
.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 20px;
}

.section.tight-bottom {
    padding-bottom: 24px;
}

.section-surface {
    background: var(--surface);
    border-top: 1px solid var(--line);
}

.section-head-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.link-arrow {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--teal);
}

.link-arrow:hover {
    text-decoration: underline;
}

/* ==========================================================================
   GRID LAYOUTS
   ========================================================================== */
.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 640px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   PROJECT CARDS
   ========================================================================== */
.project-card-inner {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-image-slot {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--code);
    overflow: hidden;
}

.project-image-slot .placeholder-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.6;
}

.project-image-slot img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-year {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-40);
    margin-bottom: 8px;
}

.project-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-desc {
    font-size: 14px;
    color: var(--ink-60);
    line-height: 1.7;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 20px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--teal);
    transition: color 0.2s;
}

.project-link:hover {
    color: var(--amber);
}

.project-link svg {
    width: 14px;
    height: 14px;
}

/* ==========================================================================
   CTA SECTION (dark band)
   ========================================================================== */
.cta-band {
    background: var(--code);
    color: #fff;
}

.cta-band-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 20px;
    text-align: center;
}

.cta-band-inner h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
}

@media (min-width: 768px) {
    .cta-band-inner h2 { font-size: 30px; }
}

.cta-band-inner p {
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

/* ==========================================================================
   ABOUT PAGE
   ========================================================================== */
.about-header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 20px 56px;
    display: grid;
    gap: 48px;
}

@media (min-width: 768px) {
    .about-header {
        grid-template-columns: 1fr 2fr;
    }
}

.profile-photo {
    margin-top: 32px;
    width: 100%;
    max-width: 220px;
}

.profile-photo img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid var(--teal);
    box-shadow: var(--shadow-soft);
}

.contact-mini {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--ink-60);
}

.contact-mini p {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bio-text {
    font-size: 18px;
    line-height: 1.7;
    color: var(--ink-70);
}

.bio-text + .bio-text {
    margin-top: 16px;
}

.skills-block {
    margin-top: 48px;
}

.skills-block h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}

.skill-row {
    margin-bottom: 20px;
}

.skill-row:last-child {
    margin-bottom: 0;
}

.skill-labels {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 14px;
    margin-bottom: 6px;
}

.skill-labels .level {
    color: var(--ink-40);
}

.skill-track {
    width: 100%;
    height: 8px;
    background: var(--line);
    border-radius: 999px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--teal);
    border-radius: 999px;
}

/* Timeline (Education) */
.timeline {
    border-left: 2px solid var(--line);
    padding-left: 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -31px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--line);
}

.timeline-item.active::before {
    background: var(--teal);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-40);
}

.timeline-item.active .timeline-date {
    color: var(--teal);
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-top: 4px;
}

.timeline-sub {
    font-size: 14px;
    color: var(--ink-60);
}

/* ==========================================================================
   TRAINING CARDS
   ========================================================================== */
.training-year {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--teal);
    margin-bottom: 8px;
}

.training-title {
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: 8px;
}

.training-desc {
    font-size: 14px;
    color: var(--ink-60);
    line-height: 1.7;
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */
.contact-intro {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 20px 40px;
}

.contact-intro p {
    margin-top: 12px;
    color: var(--ink-60);
    max-width: 560px;
}

.status-terminal-section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px 56px;
}

.contact-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.contact-card-head svg {
    width: 16px;
    height: 16px;
    color: var(--ink-40);
    transition: color 0.2s;
}

.card:hover .contact-card-head svg {
    color: var(--teal);
}

.contact-value {
    font-size: 16px;
    color: var(--ink-70);
    margin-top: 8px;
    word-break: break-all;
}

.contact-hint {
    font-size: 12px;
    color: var(--ink-40);
    margin-top: 8px;
}

.social-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: var(--teal-light);
    color: var(--teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 12px;
    flex-shrink: 0;
}

.social-name {
    font-size: 14px;
    font-weight: 500;
}

.social-desc {
    font-size: 12px;
    color: var(--ink-40);
}

.faq-title {
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: 6px;
}

.faq-desc {
    font-size: 14px;
    color: var(--ink-60);
    line-height: 1.7;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: var(--code);
    color: rgba(255, 255, 255, 0.6);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 20px;
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
    justify-content: space-between;
}

@media (min-width: 768px) {
    .footer-top {
        flex-direction: row;
        align-items: center;
    }
}

.footer-name {
    font-family: var(--font-mono);
    color: #fff;
    font-size: 14px;
}

.footer-role {
    font-size: 14px;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
    font-family: var(--font-mono);
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--teal);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 32px;
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 768px) {
    .footer-bottom { flex-direction: row; }
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.mt-8 { margin-top: 32px; }
.text-center { text-align: center; }

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}