/* ==========================================
   NAVIGATION
   ========================================== */

#site-nav {
    z-index: 1000;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 0 1rem;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards slideDown;
    display: flex;
    position: sticky;
    top: 0.75rem;
}

#site-nav.nav-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-120%);
}

.skip-link {
    z-index: 100;
    background: var(--accent-color);
    color: var(--bg-color);
    font-size: var(--font-size-small);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    position: absolute;
    left: -9999px;
}

.skip-link:focus {
    top: 0.5rem;
    left: 1rem;
}

nav {
    max-width: min(var(--container-max), 90%);
    background: var(--glass-bg);
    width: auto;
    -webkit-backdrop-filter: var(--blur);
    box-shadow: var(--shadow-glass), var(--edge-highlight);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.35rem 0.5rem;
}

nav ul {
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.15rem;
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
}

.divider {
    background: var(--border-color);
    flex-shrink: 0;
    width: 1px;
    height: 1.25rem;
    margin: 0 0.25rem;
}

#home a {
    color: var(--primary-text);
    font-weight: 800;
    font-size: var(--font-size-small);
    white-space: nowrap;
    border-radius: 999px;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    display: flex;
}

#home a:hover {
    background: var(--hover-bg);
    text-decoration: none;
}

.home-icon {
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
}

.nav-link {
    color: var(--secondary-text);
    font-weight: 600;
    font-size: var(--font-size-small);
    white-space: nowrap;
    border-radius: 999px;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.65rem;
    transition: background 0.2s, color 0.2s;
    display: flex;
    text-decoration: none !important;
}

.nav-link:hover {
    background: var(--hover-bg);
    color: var(--primary-text);
    text-decoration: none !important;
}

.nav-link.active {
    background: var(--accent-color-alpha);
    color: var(--accent-color);
}

.nav-icon-link {
    padding: 0.4rem;
}

.nav-icon-link svg {
    width: 1rem;
    height: 1rem;
}

/* Theme Switcher */
#theme-switcher {
    align-items: center;
    gap: 0.1rem;
    display: flex;
}

.theme-btn {
    width: 1.75rem;
    height: 1.75rem;
    color: var(--secondary-text);
    cursor: pointer;
    background: transparent;
    border: none;
    border-radius: 999px;
    justify-content: center;
    align-items: center;
    padding: 0;
    transition: background 0.2s, color 0.2s;
    display: flex;
}

.theme-btn svg {
    width: 0.875rem;
    height: 0.875rem;
}

.theme-btn:hover {
    background: var(--hover-bg);
    color: var(--primary-text);
}

.theme-btn.active {
    background: var(--accent-color-alpha);
    color: var(--accent-color);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    border-top: 1px solid var(--border-color);
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 0;
}

.footer p {
    color: var(--secondary-text);
    font-size: var(--font-size-small);
    font-weight: 400;
    line-height: 1.6;
}

/* ==========================================
   CSS VARIABLES
   ========================================== */

:root {
    /* Colors - Light Theme */
    --accent-color: #000;
    --accent-color-alpha: rgba(0, 0, 0, 0.08);
    --bg-color: #fafafa;
    --fg-color: rgba(0, 0, 0, 0.8);
    --primary-text: rgba(0, 0, 0, 0.85);
    --secondary-text: rgba(0, 0, 0, 0.6);
    --tertiary-text: rgba(0, 0, 0, 0.4);
    --border-color: rgba(0, 0, 0, 0.1);
    --hover-bg: rgba(0, 0, 0, 0.04);
    --glass-bg: rgba(242, 242, 242, 0.7);
    --edge-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.15);
    --shadow-glass: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-raised: 0 8px 30px rgba(0, 0, 0, 0.08);
    
    /* Typography */
    --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", "Fira Code", monospace;
    --hero-size: clamp(3.5rem, 10vw, 8rem);
    --section-size: clamp(1.75rem, 4vw, 2.5rem);
    --text-size: clamp(1rem, 1.5vw, 1.125rem);
    --font-size-small: 0.875rem;
    --font-size-base: 1rem;
    --font-size-large: 1.25rem;
    --font-size-x-large: 1.5rem;
    --font-size-xx-large: 2rem;
    --font-size-xxx-large: 3rem;
    
    /* Layout */
    --container-max: 48rem;
    --container-padding: 2rem;
    --section-padding: 6rem 0;
    --rounded-corner: 0.75rem;
    --rounded-corner-small: 0.5rem;
    
    /* Transitions */
    --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Effects */
    --blur: saturate(1.8) blur(0.75rem);
}

/* Dark Theme */
[data-theme="dark"] {
    --accent-color: #fff;
    --accent-color-alpha: rgba(255, 255, 255, 0.08);
    --bg-color: #000;
    --fg-color: rgba(255, 255, 255, 0.92);
    --primary-text: rgba(255, 255, 255, 0.92);
    --secondary-text: rgba(255, 255, 255, 0.6);
    --tertiary-text: rgba(255, 255, 255, 0.35);
    --border-color: rgba(255, 255, 255, 0.08);
    --hover-bg: rgba(255, 255, 255, 0.05);
    --glass-bg: rgba(10, 10, 10, 0.8);
    --edge-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    --shadow-glass: 0 2px 12px rgba(0, 0, 0, 0.5);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-raised: 0 8px 30px rgba(0, 0, 0, 0.6);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeIn {
    0% {
        opacity: 0;
        filter: blur(4px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
    }
}

@keyframes slideUp {
    0% {
        opacity: 0;
        filter: blur(4px);
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    0% {
        opacity: 0;
        filter: blur(4px);
        transform: translateX(-40px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        filter: blur(4px);
        transform: translateX(40px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    0% {
        opacity: 0;
        filter: blur(4px);
        transform: scale(0.92);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.3);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes glow {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

@keyframes slideDown {
    0% {
        opacity: 0;
        filter: blur(4px);
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
}

/* Animation Delay Helpers */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }
.stagger-7 { animation-delay: 0.7s; }
.stagger-8 { animation-delay: 0.8s; }

/* ==========================================
   BASE STYLES
   ========================================== */

* {
    box-sizing: border-box;
    user-select: none;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scrollbar-color: var(--accent-color) transparent;
    accent-color: var(--accent-color);
}

body {
    font-family: var(--font-family);
    color: var(--primary-text);
    background: var(--bg-color);
    font-weight: 400;
    line-height: 1.6;
    font-size: var(--font-size-base);
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    text-wrap: pretty;
    overflow-wrap: break-word;
    min-height: 100vh;
    overflow-x: hidden;
}

::selection {
    color: inherit;
    background: transparent;
}

:focus-visible {
    outline: 0.125rem solid var(--accent-color);
    outline-offset: 0.125rem;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.03em;
    text-wrap: balance;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-weight: 900;
}

a {
    color: var(--accent-color);
    transition: var(--transition-smooth);
    font-weight: 500;
    text-decoration: none;
}

a:hover {
    opacity: 0.8;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: 0.5s forwards fadeIn;
}

.slide-up {
    opacity: 0;
    animation: 0.5s forwards slideUp;
    transform: translateY(20px);
}

/* Reading Progress */
.reading-progress {
    background: var(--accent-color);
    z-index: 9998;
    width: 0%;
    height: 2px;
    transition: width 0.1s ease-out;
    position: fixed;
    top: 0;
    left: 0;
}

/* Monospace */
pre, code, kbd, samp {
    font-family: var(--font-mono);
}

/* User Select for Inputs */
input, textarea, select {
    user-select: text;
}

/* ==========================================
   HEADER / HERO
   ========================================== */

.header {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    min-height: 85vh;
    padding-top: 4rem;
    display: flex;
    position: relative;
}

.name {
    font-size: var(--hero-size);
    letter-spacing: -0.04em;
    color: var(--primary-text);
    text-transform: none !important;
    margin: 0;
    font-weight: 900;
    line-height: 1;
}

.name-line {
    display: block;
}

.name-line:first-child {
    margin-bottom: 0.05em;
}

.name-char {
    opacity: 0;
    margin-right: 0.01em;
    animation: 0.5s forwards fadeIn;
    display: inline-block;
}

.title {
    font-size: var(--text-size);
    color: var(--secondary-text);
    margin: 1.5rem 0 0;
    font-weight: 400;
    line-height: 1.5;
}

.hero-links {
    gap: 1.5rem;
    margin-top: 2rem;
    display: flex;
}

.hero-links a {
    color: var(--accent-color);
    font-size: var(--font-size-small);
    letter-spacing: 0.02em;
    background: var(--accent-color-alpha);
    border-radius: 999px;
    padding: 0.4rem 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.hero-links a:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    opacity: 1;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Back to Top Button */
.back-to-top {
    background: var(--glass-bg);
    width: 2.5rem;
    height: 2.5rem;
    -webkit-backdrop-filter: var(--blur);
    color: var(--primary-text);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    box-shadow: var(--shadow-glass);
    border-radius: 999px;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    display: flex;
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    transform: translateY(10px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
    opacity: 1;
    transform: translateY(-2px);
}

/* ==========================================
   SECTIONS
   ========================================== */

.section-header {
    z-index: 10;
    border-bottom: 1px solid var(--border-color);
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding: 2rem 0 1.5rem;
    display: flex;
    position: static;
}

.section-title {
    font-size: var(--section-size);
    color: var(--primary-text);
    letter-spacing: -0.03em;
    text-transform: none !important;
    margin: 0;
    font-weight: 800;
    line-height: 1.2;
    overflow: visible;
}

.section-title-char {
    opacity: 0;
    animation: 0.5s forwards fadeIn;
    display: inline-block;
}

.section-title-char:first-child { animation-delay: 30ms; }
.section-title-char:nth-child(2) { animation-delay: 60ms; }
.section-title-char:nth-child(3) { animation-delay: 90ms; }
.section-title-char:nth-child(4) { animation-delay: 0.12s; }
.section-title-char:nth-child(5) { animation-delay: 0.15s; }
.section-title-char:nth-child(6) { animation-delay: 0.18s; }
.section-title-char:nth-child(7) { animation-delay: 0.21s; }
.section-title-char:nth-child(8) { animation-delay: 0.24s; }

.section-number {
    color: var(--accent-color);
    letter-spacing: 0.15em;
    white-space: nowrap;
    background: var(--accent-color-alpha);
    border-radius: 999px;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ==========================================
   PROJECTS
   ========================================== */

.project {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    padding: 2rem 0;
    position: relative;
}

.project:last-child {
    border-bottom: none;
}

.project:hover {
    transform: translateX(4px);
}

.project-number {
    color: var(--accent-color-alpha);
    pointer-events: none;
    transition: var(--transition-smooth);
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    position: absolute;
    top: 0.5rem;
    right: 0;
}

.project:hover .project-number {
    color: var(--accent-color);
    opacity: 0.2;
}

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

.project-info {
    padding: 0;
}

.project-info h3 {
    font-size: var(--font-size-x-large);
    color: var(--primary-text);
    letter-spacing: -0.02em;
    margin: 0 0 0.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.project-meta {
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    display: flex;
}

.project-tech {
    color: var(--accent-color);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
    background: transparent;
    border: none;
    padding: 0;
}

.project-description {
    color: var(--secondary-text);
    line-height: 1.7;
    font-size: var(--font-size-small);
    margin-bottom: 1rem;
    font-weight: 400;
}

.project-links {
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    display: flex;
}

.project-link {
    color: var(--accent-color);
    font-size: var(--font-size-small);
    background: var(--accent-color-alpha);
    transition: var(--transition-smooth);
    border-radius: 999px;
    padding: 0.3rem 0.65rem;
    font-weight: 600;
    text-decoration: none !important;
}

.project-link:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    opacity: 1;
    text-decoration: none !important;
}

.star-badge {
    background: var(--hover-bg);
    color: var(--secondary-text);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
}

.star-badge svg {
    fill: currentColor;
    width: 0.75rem;
    height: 0.75rem;
}

/* ==========================================
   CONTACT
   ========================================== */

.contact-section {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
    display: grid;
}

.contact-info p {
    font-size: var(--font-size-base);
    color: var(--secondary-text);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.contact-links {
    flex-direction: column;
    gap: 0.5rem;
    display: flex;
}

.contact-link {
    color: var(--accent-color);
    border-radius: var(--rounded-corner-small);
    transition: var(--transition-smooth);
    font-weight: 500;
    font-size: var(--font-size-small);
    background: transparent;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    display: flex;
    text-decoration: none !important;
}

.contact-link:hover {
    background: var(--accent-color-alpha);
    transform: translateX(4px);
    text-decoration: none !important;
}

.contact-form {
    flex-direction: column;
    gap: 0.75rem;
    display: flex;
}

.form-group input,
.form-group textarea {
    border: 1px solid var(--border-color);
    border-radius: var(--rounded-corner-small);
    background: var(--bg-color);
    width: 100%;
    color: var(--primary-text);
    font-family: var(--font-family);
    font-size: var(--font-size-small);
    transition: var(--transition-smooth);
    resize: vertical;
    padding: 0.75rem 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-color-alpha);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--tertiary-text);
}

.submit-button {
    background: var(--accent-color);
    color: var(--bg-color);
    font-family: var(--font-family);
    font-size: var(--font-size-small);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    border-radius: 999px;
    align-self: flex-start;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
}

.submit-button:hover {
    filter: brightness(1.1);
    box-shadow: var(--shadow-raised);
    transform: translateY(-1px);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.notification {
    border-radius: var(--rounded-corner);
    box-shadow: var(--shadow-raised);
    z-index: 10000;
    max-width: 400px;
    font-size: var(--font-size-small);
    color: #fff;
    backdrop-filter: var(--blur);
    padding: 0.75rem 1.25rem;
    line-height: 1.4;
    position: fixed;
    top: 4.5rem;
    right: 1.5rem;
}

.notification-success {
    background: rgba(46, 160, 67, 0.9);
}

.notification-error {
    background: rgba(218, 54, 51, 0.9);
}

/* ==========================================
   ACHIEVEMENTS
   ========================================== */

.achievement-card {
    border: 1px solid var(--border-color);
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--blur);
    border-radius: var(--rounded-corner);
    transition: var(--transition-smooth);
    height: 100%;
    box-shadow: var(--shadow);
    flex-direction: column;
    padding: 1.5rem;
    display: flex;
    position: relative;
}

.achievement-card:hover {
    box-shadow: var(--shadow-raised);
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.achievement-content {
    flex-direction: column;
    flex: 1;
    display: flex;
}

.achievement-header {
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    display: flex;
}

.achievement-card h3 {
    font-size: var(--font-size-base);
    color: var(--primary-text);
    letter-spacing: -0.01em;
    font-weight: 700;
    line-height: 1.3;
}

.achievement-card p {
    color: var(--secondary-text);
    font-size: var(--font-size-small);
    margin-top: auto;
    font-weight: 400;
    line-height: 1.6;
}

/* ==========================================
   OTHER SECTIONS
   ========================================== */

.section {
    padding: var(--section-padding);
    position: relative;
}

.about-content p {
    font-size: var(--font-size-large);
    color: var(--secondary-text);
    max-width: 38rem;
    line-height: 1.8;
}

.projects-grid {
    grid-template-columns: 1fr;
    gap: 0;
    display: grid;
}

.skills-list {
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
    display: flex;
}

.skill-tag {
    font-size: var(--font-size-small);
    color: var(--accent-color);
    background: var(--accent-color-alpha);
    transition: var(--transition-smooth);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-weight: 600;
}

.skill-tag:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    opacity: 1;
    transform: translateY(-1px);
}

.achievements-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
    display: grid;
}

.misc-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
    display: grid;
}

.misc-item {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border-color);
    border-radius: var(--rounded-corner);
    transition: var(--transition-bounce);
    box-shadow: var(--shadow);
    padding: 1.75rem;
    position: relative;
}

.misc-item:hover {
    box-shadow: var(--shadow-raised);
    border-color: var(--accent-color);
    transform: translateY(-4px);
}

.misc-number {
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    display: block;
}

.misc-item h3 {
    font-size: var(--font-size-large);
    color: var(--primary-text);
    margin-bottom: 0.75rem;
    font-weight: 700;
    line-height: 1.3;
}

.misc-content {
    color: var(--secondary-text);
    line-height: 1.7;
    font-size: var(--font-size-small);
    font-weight: 400;
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
        --section-padding: 4rem 0;
    }

    #site-nav {
        padding: 0 0.5rem;
        top: 0.5rem;
    }

    nav {
        border-radius: var(--rounded-corner);
        max-width: 100%;
        padding: 0.35rem;
    }

    nav ul {
        gap: 0.1rem;
    }

    .nav-link,
    #home a {
        padding: 0.35rem 0.5rem;
        font-size: 0.75rem;
    }

    #home a span,
    .divider {
        display: none;
    }

    .header {
        min-height: 70vh;
        padding-top: 3rem;
    }

    .hero-links {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .section-header {
        margin-bottom: 2rem;
        padding: 1.5rem 0 1rem;
    }

    .about-content p {
        font-size: var(--font-size-base);
    }

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

    .project {
        padding: 1.5rem 0;
    }

    .project-number {
        font-size: 3rem;
    }

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

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

    .footer {
        margin-top: 2rem;
        padding: 2rem 0;
    }
}

@media (max-width: 480px) {
    nav ul {
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap;
        overflow-x: auto;
    }

    nav ul::-webkit-scrollbar {
        display: none;
    }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}