/* ────────────────────────────────────────────────────────────────
   BRAHIMA DIARRASSOUBA — PORTFOLIO
   Design Language: Apple Design Principles (Minimal, Crisp, Premium)
   Palette: #FFFFFF (White) · #1D1D1F (Ink) · #424245 (Dark Gray) · #F5F5F7 (Apple Gray) · #0071E3 (Apple Blue)
   ──────────────────────────────────────────────────────────────── */

/* ════════════════════════════════════════
   TOKENS & DESIGN SYSTEM
════════════════════════════════════════ */
:root {
    --white: #ffffff;
    --ink: #1d1d1f;
    --ink-2: #424245;
    --ink-3: #86868b;
    --ink-4: #6e6e73;
    --surface: #f5f5f7;
    --surface-2: #e8e8ed;
    --line: #e5e5ea;
    --line-subtle: rgba(0, 0, 0, 0.05);
    --blue: #0071e3;
    --blue-hover: #0077ed;
    --blue-soft: rgba(0, 113, 227, 0.06);
    --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;

    --s1: 0.25rem;
    --s2: 0.5rem;
    --s3: 0.75rem;
    --s4: 1rem;
    --s5: 1.25rem;
    --s6: 1.5rem;
    --s8: 2rem;
    --s10: 2.5rem;
    --s12: 3rem;
    --s16: 4rem;
    --s20: 5rem;
    --s24: 6rem;

    --max-w: 1080px;
    --nav-h: 52px;

    --ease-apple: cubic-bezier(0.16, 1, 0.3, 1);
    --t: 200ms var(--ease-apple);
    --t-slow: 350ms var(--ease-apple);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background: var(--white);
}

body {
    font-family: var(--font);
    background: var(--white);
    color: var(--ink-2);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    font-family: var(--font);
    cursor: pointer;
    border: none;
    background: none;
}

/* ════════════════════════════════════════
   LAYOUT
════════════════════════════════════════ */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--s6);
}

/* ════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════ */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--s6);
}

.nav-brand {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.nav-brand .dot {
    color: var(--blue);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--s8);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--s3);
}

.lang-selector {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 980px;
    padding: 3px 8px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ink-2);
    transition: border-color var(--t), background var(--t);
}

.lang-selector:hover {
    border-color: var(--blue);
    background: var(--white);
}

.lang-selector i {
    font-size: 14px;
    color: var(--blue);
}

.lang-selector select {
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ink);
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    padding-right: 2px;
    transition: opacity 0.18s;
}

/* ── Language switch loading animation ── */
@keyframes lang-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.lang-loading {
    pointer-events: none;
    position: relative;
    opacity: 0.65;
}

.lang-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.lang-loading i {
    animation: lang-spin 0.5s linear infinite;
}

.nav-link {
    font-size: 0.84rem;
    font-weight: 400;
    color: var(--ink-2);
    letter-spacing: 0.01em;
    transition: color var(--t);
    position: relative;
    padding-bottom: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--blue);
    border-radius: 2px;
    transition: width var(--t);
}

.nav-link:hover {
    color: var(--blue);
}

.nav-link.active {
    color: var(--blue);
    font-weight: 500;
}

.nav-link.active::after {
    width: 100%;
}

/* Buttons */
.btn-dark {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    font-family: var(--font);
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--white);
    background: var(--blue);
    border-radius: 980px;
    padding: 0.45rem 1.15rem;
    letter-spacing: -0.01em;
    transition: background var(--t), transform var(--t);
    border: none;
    cursor: pointer;
}

.btn-dark:hover {
    background: var(--blue-hover);
    transform: translateY(-1px);
}

.btn-dark:active {
    transform: translateY(0);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--blue);
    background: transparent;
    padding: 0.45rem 0.5rem;
    letter-spacing: -0.01em;
    transition: opacity var(--t);
    cursor: pointer;
}

.btn-ghost:hover {
    opacity: 0.8;
}

.btn-full {
    width: 100%;
    justify-content: center;
    border-radius: 14px;
    padding: 0.75rem;
    font-size: 0.88rem;
}

/* Hamburger */
.hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    color: var(--ink);
    transition: background var(--t);
}

.hamburger:hover {
    background: var(--surface);
}

/* Mobile Drawer - Fullscreen Apple Navigation */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: saturate(180%) blur(25px);
    -webkit-backdrop-filter: saturate(180%) blur(25px);
    z-index: 500;
    padding: var(--s5) var(--s6) var(--s10);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 280ms var(--ease-apple), transform 280ms var(--ease-apple);
}

.mobile-drawer.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding-bottom: var(--s4);
    margin-bottom: var(--s6);
    border-bottom: 1px solid var(--line);
}

.drawer-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--surface);
    color: var(--ink);
    font-size: 18px;
    border: none;
    cursor: pointer;
    transition: background var(--t);
}

.drawer-close:hover {
    background: var(--surface-2);
}

.mobile-drawer nav {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.drawer-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.03em;
    padding: var(--s4) 0;
    border-bottom: 1px solid var(--line-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    transition: color var(--t);
}

.drawer-link i {
    font-size: 16px;
    color: var(--ink-3);
    transition: transform var(--t);
}

.drawer-link:hover,
.drawer-link:active {
    color: var(--blue);
}

.drawer-link:hover i {
    transform: translateX(4px);
    color: var(--blue);
}

.drawer-contact {
    margin-top: var(--s6);
    background: var(--blue);
    color: var(--white) !important;
    border-radius: 980px;
    border-bottom: none;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.25);
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.22);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-slow);
}

.overlay.show {
    opacity: 1;
    pointer-events: auto;
}

/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.hero {
    padding: var(--s16) 0 var(--s20);
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 220px 1fr;
    align-items: center;
    gap: var(--s12);
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--s4);
}

.eyebrow {
    font-size: 0.76rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--blue);
}

.hero-text h1 {
    font-size: clamp(2.5rem, 4.5vw, 3.6rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1.02;
    color: var(--ink);
}

.hero-role {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--ink-2);
    letter-spacing: -0.01em;
    line-height: 1.45;
}

.hero-bio {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--ink-2);
    max-width: 420px;
}

.hero-cta-row {
    display: flex;
    align-items: center;
    gap: var(--s4);
    flex-wrap: wrap;
    margin-top: var(--s2);
}

.contact-chips {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: var(--s2);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--s3);
    font-size: 0.82rem;
    color: var(--ink-3);
    width: fit-content;
}

.chip i {
    font-size: 14px;
    color: var(--ink-3);
    flex-shrink: 0;
}

.chip.copyable {
    cursor: pointer;
    position: relative;
    transition: color var(--t);
}

.chip.copyable:hover {
    color: var(--blue);
}

.chip.copyable:hover i {
    color: var(--blue);
}

.chip-tooltip {
    position: absolute;
    top: -26px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--ink);
    color: var(--white);
    font-size: 0.67rem;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 980px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t);
    white-space: nowrap;
}

.chip-tooltip.show {
    opacity: 1;
}

.social-row {
    display: flex;
    gap: var(--s2);
    margin-top: var(--s2);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--line);
    color: var(--ink-2);
    font-size: 15px;
    transition: color var(--t), border-color var(--t), background var(--t);
}

.social-btn:hover {
    color: var(--blue);
    border-color: var(--blue);
    background: var(--blue-soft);
}

.hero-portrait {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-portrait img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
    border: 2px solid var(--line);
    outline: 6px solid var(--surface);
    outline-offset: 2px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform var(--t-slow), box-shadow var(--t-slow);
    background: var(--surface);
    display: block;
}

.hero-portrait:hover img {
    transform: scale(1.02);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.08);
}

.hero-cards {
    display: flex;
    flex-direction: column;
    gap: var(--s4);
}

.domain-card {
    border: 1px solid var(--line-subtle);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    background: var(--surface);
    outline: none;
    transition: box-shadow var(--t-slow), transform var(--t-slow), background var(--t);
}

.domain-card:hover,
.domain-card:focus-visible {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
    transform: translateY(-3px);
    background: var(--white);
    border-color: var(--line);
}

.domain-card:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}

.domain-img {
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s4) var(--s6);
    height: 110px;
}

.domain-img img {
    max-width: 140px;
    max-height: 64px;
    width: auto;
    height: auto;
    object-fit: contain;
    mix-blend-mode: multiply;
    transition: transform var(--t);
}

.domain-card:hover .domain-img img {
    transform: scale(1.04);
}

.domain-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--s4) var(--s5);
    border-top: 1px solid var(--line);
}

.domain-label {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
    margin-bottom: 2px;
}

.domain-footer h3 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.domain-footer>i {
    font-size: 15px;
    color: var(--ink-3);
    flex-shrink: 0;
    transition: transform var(--t), color var(--t);
}

.domain-card:hover .domain-footer>i {
    transform: translateX(3px);
    color: var(--blue);
}

/* ════════════════════════════════════════
   SECTIONS SHARED
════════════════════════════════════════ */
.section {
    padding: var(--s24) 0;
    border-top: 1px solid var(--line);
}

.section-alt {
    background: var(--surface);
}

.section-header {
    margin-bottom: var(--s12);
}

.section-label {
    font-size: 0.76rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--blue);
    margin-bottom: var(--s2);
}

.section-header h2 {
    font-size: clamp(2rem, 3.8vw, 3.2rem);
    font-weight: 600;
    letter-spacing: -0.035em;
    color: var(--ink);
    line-height: 1.05;
}

/* ════════════════════════════════════════
   ABOUT
════════════════════════════════════════ */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: var(--s16);
    align-items: start;
}

.about-bio {
    display: flex;
    flex-direction: column;
    gap: var(--s5);
}

.about-bio p {
    font-size: 1.02rem;
    line-height: 1.7;
    color: var(--ink-2);
}

.about-bio strong {
    color: var(--ink);
    font-weight: 600;
}

.lang-row {
    display: flex;
    align-items: center;
    gap: var(--s6);
    padding: var(--s5) 0 0;
    border-top: 1px solid var(--line);
    margin-top: var(--s2);
}

.lang-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.lang-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.lang-level {
    font-size: 0.78rem;
    color: var(--ink-3);
}

.lang-flag {
    width: 34px;
    height: 22px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--line);
    margin-top: 5px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.lang-sep {
    width: 1px;
    height: 52px;
    background: var(--line);
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline-item {
    display: flex;
    gap: var(--s5);
    position: relative;
    padding-bottom: var(--s8);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 5px;
    bottom: 0;
    width: 1px;
    background: var(--line);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--blue);
    flex-shrink: 0;
    margin-top: 5px;
    z-index: 1;

}

.timeline-content {
    flex: 1;
}

.timeline-date {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--s2);
}

.timeline-content h4 {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: var(--s2);
}

.timeline-content p {
    font-size: 0.88rem;
    color: var(--ink-2);
    line-height: 1.6;
}

/* ════════════════════════════════════════
   PROJECTS
════════════════════════════════════════ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.project-card {
    background: var(--surface);
    border: 1px solid var(--line-subtle);
    border-radius: 18px;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    cursor: pointer;
    transition: box-shadow var(--t-slow), transform var(--t-slow), background var(--t), border-color var(--t);
}

.project-card:hover {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
    background: var(--white);
    border-color: var(--line);
}

.project-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px;
}

.project-tag {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--blue);
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-tag i {
    font-size: 11px;
    color: var(--blue);
}

.project-date {
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--ink-3);
}

.project-card h3 {
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--ink);
    line-height: 1.35;
    flex: 1;
}

.project-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--blue);
    background: transparent;
    padding: 0;
    margin-top: 2px;
    border: none;
    cursor: pointer;
    transition: color var(--t);
}

.project-more-btn i {
    font-size: 12px;
    transition: transform var(--t);
}

.project-card:hover .project-more-btn i {
    transform: translateX(4px);
}

.project-card p {
    font-size: 0.86rem;
    line-height: 1.6;
    color: var(--ink-2);
    flex: 1;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: auto;
}

.tech-tags span {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 980px;
    background: var(--white);
    color: var(--ink-2);
    border: 1px solid var(--line);
    letter-spacing: 0.01em;
}

/* Associations */
.assoc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s5);
}

.assoc-card {
    display: flex;
    gap: var(--s4);
    align-items: flex-start;
    background: var(--surface);
    border: 1px solid var(--line-subtle);
    border-radius: 20px;
    padding: var(--s6);
    transition: box-shadow var(--t-slow), transform var(--t-slow), background var(--t);
}

.assoc-card:hover {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
    background: var(--white);
    border-color: var(--line);
}

.assoc-icon {
    width: 36px;
    height: 36px;
    background: var(--blue-soft);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    font-size: 16px;
    flex-shrink: 0;
}

.assoc-date {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--s2);
}

.assoc-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: var(--s2);
    line-height: 1.35;
}

.assoc-card p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--ink-2);
}

/* ════════════════════════════════════════
   SKILLS
════════════════════════════════════════ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s5);
}

.skill-group {
    border: 1px solid var(--line-subtle);
    border-radius: 20px;
    padding: var(--s6);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: var(--s4);
    transition: box-shadow var(--t-slow), transform var(--t-slow), background var(--t);
}

.skill-group:hover {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
    background: var(--white);
    border-color: var(--line);
}

.skill-group h4 {
    display: flex;
    align-items: center;
    gap: var(--s3);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.skill-group h4 i {
    font-size: 16px;
    color: var(--blue);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.skill-tags span {
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--ink-2);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 980px;
    padding: 4px 11px;
    letter-spacing: -0.01em;
}

/* ════════════════════════════════════════
   AWARDS
════════════════════════════════════════ */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s5);
}

.award-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s4);
    padding: var(--s5) var(--s6);
    border-radius: 20px;
    background: var(--surface);
    border: 1px solid var(--line-subtle);
    transition: box-shadow var(--t-slow), transform var(--t-slow), background var(--t);
}

.award-card:hover {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
    background: var(--white);
    border-color: var(--line);
}

.award-main {
    display: flex;
    align-items: flex-start;
    gap: var(--s4);
    flex: 1;
}

.award-medal {
    font-size: 1.2rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 1px;
}

.award-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: 3px;
    line-height: 1.3;
}

.award-card p {
    font-size: 0.8rem;
    color: var(--ink-3);
    line-height: 1.4;
}

.award-logo {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 5px;
    overflow: hidden;
}

.award-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
}

/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
.footer {
    border-top: 1px solid var(--line);
    padding: var(--s12) 0;
    margin-bottom: 40px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s3);
    text-align: center;
}

.footer-name {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.footer-role {
    font-size: 0.84rem;
    color: var(--ink-3);
}

.footer-links {
    display: flex;
    gap: var(--s4);
    margin: var(--s3) 0;
}

.footer-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--line);
    color: var(--ink-2);
    font-size: 15px;
    transition: color var(--t), border-color var(--t), background var(--t);
}

.footer-links a:hover {
    color: var(--blue);
    border-color: var(--blue);
    background: var(--blue-soft);
}

.footer-copy {
    font-size: 0.76rem;
    color: var(--ink-3);
}

/* ════════════════════════════════════════
   MODALS
════════════════════════════════════════ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--s6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t);
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: var(--s10);
    max-width: 520px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12);
    transform: translateY(16px) scale(0.98);
    transition: transform var(--t-slow);
}

.modal-backdrop.active .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: var(--s5);
    right: var(--s5);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--surface);
    color: var(--ink-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background var(--t), color var(--t);
}

.modal-close:hover {
    background: var(--ink);
    color: var(--white);
}

.modal-head {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-bottom: var(--s6);
    padding-right: var(--s8);
}

.modal-icon {
    width: 40px;
    height: 40px;
    background: var(--blue-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    font-size: 18px;
    flex-shrink: 0;
}

.modal-head h2 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    color: var(--ink);
    line-height: 1.2;
}

.modal-head p {
    font-size: 0.8rem;
    color: var(--ink-3);
    margin-top: 2px;
}

.modal-desc {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--ink-2);
    margin-bottom: var(--s6);
}

.modal h3 {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--s3);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s2);
    margin-bottom: var(--s6);
}

.tag {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--ink);
    background: var(--surface);
    border-radius: 980px;
    padding: 4px 12px;
    letter-spacing: -0.01em;
}

.modal-project {
    background: var(--surface);
    border-radius: 14px;
    padding: var(--s4) var(--s5);
    margin-bottom: var(--s3);
}

.modal-project strong {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--s2);
    letter-spacing: -0.01em;
}

.modal-project strong i {
    color: var(--blue);
    font-size: 14px;
}

.modal-project p {
    font-size: 0.84rem;
    color: var(--ink-2);
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--s4);
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.field input,
.field select,
.field textarea {
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--ink);
    background: var(--surface);
    border: 1.5px solid transparent;
    border-radius: 12px;
    padding: 0.65rem 0.95rem;
    outline: none;
    transition: border-color var(--t), background var(--t), box-shadow var(--t);
    resize: vertical;
    -webkit-appearance: none;
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--ink-3);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    background: var(--white);
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

/* ════════════════════════════════════════
   FLOATING BOTTOM MARQUEE BAR
════════════════════════════════════════ */
.awards-marquee-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.04);
    z-index: 150;
    display: flex;
    align-items: center;
    padding: 0 var(--s4);
    gap: var(--s3);
    overflow: hidden;
}

.marquee-badge {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--blue);
    background: var(--blue-soft);
    padding: 3px 10px;
    border-radius: 980px;
    white-space: nowrap;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.marquee-viewport {
    flex: 1;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    mask-image: linear-gradient(to right, transparent, black 16px, black calc(100% - 16px), transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 16px, black calc(100% - 16px), transparent);
}

.marquee-track {
    display: flex;
    align-items: center;
    width: max-content;
    animation: marqueeLoop 28s linear infinite;
    will-change: transform;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-group {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

@keyframes marqueeLoop {
    0% {
        transform: translateX(0%);
    }

    100% {
        transform: translateX(-50%);
    }
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
    white-space: nowrap;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--ink);
}

.marquee-item img {
    width: 18px;
    height: 18px;
    object-fit: contain;
    border-radius: 3px;
    mix-blend-mode: multiply;
}

.marquee-sep {
    color: var(--line);
    font-size: 0.8rem;
    margin: 0 6px;
}

.marquee-close {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--surface);
    color: var(--ink-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    cursor: pointer;
    flex-shrink: 0;
    border: none;
    transition: background var(--t), color var(--t);
}

.marquee-close:hover {
    background: var(--ink);
    color: var(--white);
}

/* ════════════════════════════════════════
   RESPONSIVE — TABLET & MOBILE
════════════════════════════════════════ */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--s6);
    }

    .nav-inner {
        padding: 0 var(--s6);
    }

    .hero-grid {
        grid-template-columns: 1fr 180px;
        grid-template-rows: auto auto;
        grid-template-areas: "text portrait" "cards cards";
        gap: var(--s8);
    }

    .hero-text {
        grid-area: text;
    }

    .hero-portrait {
        grid-area: portrait;
    }

    .hero-cards {
        grid-area: cards;
        flex-direction: row;
        gap: var(--s4);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .assoc-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .awards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--s10);
    }
}

@media (max-width: 640px) {
    :root {
        --nav-h: 52px;
    }

    .container {
        padding: 0 var(--s5);
    }

    .nav-inner {
        padding: 0 var(--s5);
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: var(--s8) 0 var(--s12);
        align-items: flex-start;
        min-height: auto;
    }

    .hero-grid {
        display: flex;
        flex-direction: column;
        gap: var(--s8);
    }

    .hero-portrait {
        display: flex;
        justify-content: flex-start;
        order: -1;
    }

    .hero-portrait img {
        width: 140px;
        height: 140px;
        outline-width: 4px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    }

    .hero-cards {
        flex-direction: column;
        width: 100%;
    }

    .hero-text h1 {
        font-size: 2.3rem;
        line-height: 1.05;
    }

    .hero-role {
        font-size: 0.98rem;
    }

    .hero-bio {
        max-width: 100%;
        font-size: 0.92rem;
        line-height: 1.6;
    }

    .hero-cta-row {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--s3);
    }

    .hero-cta-row .btn-dark,
    .hero-cta-row .btn-ghost {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1.2rem;
        font-size: 0.92rem;
    }

    .contact-chips {
        width: 100%;
    }

    .chip {
        font-size: 0.8rem;
        word-break: break-word;
    }

    .section {
        padding: var(--s16) 0;
    }

    .section-header h2 {
        font-size: 1.85rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .project-card {
        padding: 16px;
        border-radius: 16px;
    }

    .assoc-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .skill-group {
        padding: 18px;
        border-radius: 16px;
    }

    .awards-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        padding: var(--s6) var(--s5);
        border-radius: 20px;
        max-height: 90vh;
    }
}