/* =========================================
   PORTFOLIO STYLES - HIGH-STREET MINIMALIST
   ========================================= */

/* CSS Variables */
:root {
    /* Colors - Strict Monochromatic */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max: 1400px;
    --card-gap: 1.5rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-gray-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.pipe-loader {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(245, 245, 245, 0.82);
    transition: opacity 0.18s ease;
}

.pipe-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.pipe-loader-bars {
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.pipe-loader-bars span {
    width: 4px;
    height: 28px;
    background-color: var(--color-black);
    animation: pipePulse 0.9s ease-in-out infinite;
}

.pipe-loader-bars span:nth-child(2) { animation-delay: 0.08s; }
.pipe-loader-bars span:nth-child(3) { animation-delay: 0.16s; }
.pipe-loader-bars span:nth-child(4) { animation-delay: 0.24s; }
.pipe-loader-bars span:nth-child(5) { animation-delay: 0.32s; }
.pipe-loader-bars span:nth-child(6) { animation-delay: 0.4s; }

body.app-loading :is(
    .brand-logo-text,
    .nav-link,
    .hero-badge,
    .name-line,
    .titles-label,
    .rotating-title,
    .stack-label,
    .stack-tag,
    .hero-social-link,
    .hero-cv-btn,
    .section-number,
    .section-title,
    .about-heading,
    .about-text,
    .stat-number,
    .stat-label,
    .skill-category,
    .skill-list li,
    .project-title,
    .project-tagline,
    .contact-heading,
    .contact-text,
    .contact-label,
    .contact-value,
    .form-label,
    .form-submit,
    .footer-name,
    .footer-role,
    .footer-link,
    .footer-copy span,
    .nav-time,
    .nav-ampm,
    .nav-date
) {
    color: transparent !important;
    background: linear-gradient(90deg, #ececec 25%, #f6f6f6 50%, #ececec 75%);
    background-size: 220% 100%;
    animation: skeletonSweep 0.9s linear infinite;
    border-radius: 3px;
    text-shadow: none;
}

body.app-loading .scroll-indicator,
body.app-loading .scroll-top-btn {
    opacity: 0;
    visibility: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    border: none;
    outline: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* =========================================
   NAVIGATION
   ========================================= */
.navbar {
    position: fixed;
    top: clamp(0.5rem, 1.5vw, 1rem);
    left: clamp(0.75rem, 2.4vw, 1.75rem);
    right: clamp(0.75rem, 2.4vw, 1.75rem);
    z-index: 1000;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(245, 245, 245, 0.95);
    backdrop-filter: blur(10px);
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-md) clamp(1.25rem, 4vw, 2.75rem);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    column-gap: var(--spacing-lg);
    align-items: center;
    width: 100%;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-display);
    font-size: 1.75rem;
    letter-spacing: 2px;
    color: var(--color-black);
    transition: opacity var(--transition-fast);
}

.brand-logo-image {
    width: 30px;
    height: 30px;
    display: block;
    object-fit: cover;
    border: 1px solid var(--color-gray-300);
}

.brand-logo-text {
    display: inline-flex;
    align-items: center;
    height: 30px;
    line-height: 1;
    transform: translateY(1px);
}

.nav-logo:hover {
    opacity: 0.7;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-2xl);
    justify-self: center;
}

.nav-meta {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-datetime {
    display: flex;
    align-items: center;
    line-height: 1;
    min-width: 8.4rem;
    --nav-time-size: clamp(1.9rem, 3.2vw, 2.6rem);
    --nav-time-line-height: 0.95;
}

.nav-time-wrap {
    display: flex;
    align-items: flex-start;
    gap: 0.36rem;
}

.nav-time-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    height: calc(var(--nav-time-size) * var(--nav-time-line-height));
    gap: 0.02rem;
}

.nav-time {
    font-family: var(--font-display);
    font-size: var(--nav-time-size);
    letter-spacing: 1px;
    line-height: var(--nav-time-line-height);
    font-weight: 400;
}

.nav-ampm {
    width: auto;
    text-align: left;
    font-size: 0.62rem;
    line-height: 1;
    font-weight: 300;
    letter-spacing: 1.3px;
    text-transform: uppercase;
    color: var(--color-gray-600);
    font-family: var(--font-display);
}

.nav-date {
    width: auto;
    text-align: left;
    font-size: 0.62rem;
    line-height: 1;
    font-weight: 300;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-gray-600);
    font-family: var(--font-display);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-600);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-black);
    transition: width var(--transition-base);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.active span:first-child {
    transform: translateY(4px) rotate(45deg);
}

.nav-toggle.active span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    min-height: 100vh;
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    background-color: var(--color-gray-100);
    position: relative;
}

.hero-container {
    flex: 1;
    display: grid;
    grid-template-columns: 1.35fr 0.85fr;
    gap: var(--card-gap);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    width: 100%;
}

/* Hero Cards Base */
.hero-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 0;
    padding: var(--spacing-lg);
    transition: box-shadow var(--transition-base);
}

.hero-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

/* Hello Badge */
.hero-badge {
    width: fit-content;
    padding: 0.4rem 0.8rem;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-black);
    background-color: var(--color-white);
    border: 1px solid var(--color-black);
    border-radius: 0;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.intro-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 1.9vw, 1.65rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-gray-500);
}

/* Hero Left Column */
.hero-left {
    display: flex;
    flex-direction: column;
    gap: var(--card-gap);
}

/* Name Card */
.hero-name-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    background-color: var(--color-white);
    border-color: var(--color-gray-200);
    min-height: 200px;
    padding: var(--spacing-lg);
    position: relative;
}

.name-display {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 100%;
}

.hero-name-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    position: absolute;
    top: 78%;
    right: var(--spacing-lg);
    transform: translateY(-50%);
    width: auto;
    justify-content: flex-end;
    padding-top: 0;
    margin-top: 0;
    z-index: 2;
}

.hero-cv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-black);
    padding: 0.68rem 1.08rem;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-black);
    background-color: var(--color-white);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.hero-talk-btn {
    min-width: 120px;
}

.hero-cv-btn:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.name-line {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 8rem);
    line-height: 0.85;
    letter-spacing: -2px;
    color: var(--color-black);
}

/* Hero Bottom Row */
.hero-bottom-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--card-gap);
}

/* Rotating Titles Card */
.hero-titles-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: var(--color-white);
    border-color: var(--color-gray-200);
}

.titles-label {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    color: var(--color-gray-500);
}

.rotating-titles {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: auto;
}

.titles-wrapper {
    position: relative;
    height: 2.5rem;
    overflow: hidden;
}

.rotating-title {
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    letter-spacing: 1px;
    color: var(--color-black);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.rotating-title.active {
    opacity: 1;
    transform: translateY(0);
}

/* Core Stack Card */
.hero-stack-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: flex-start;
    align-items: flex-start;
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-200);
}

.stack-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gray-400);
}

.core-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.stack-tag {
    padding: 0.35rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-black);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.stack-tag:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* Hero Right Column */
.hero-right {
    display: flex;
}

.hero-image-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.hero-image {
    flex: 1;
    position: relative;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    overflow: hidden;
}

.hero-avatar {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.38s ease;
}

.hero-image-card:hover .hero-avatar {
    transform: scale(1.08);
}

.hero-social {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.hero-social-overlay {
    position: absolute;
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-md);
    z-index: 2;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-gray-300);
}

.hero-social-link {
    padding: 0.8rem 1rem;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    color: var(--color-black);
    background-color: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--color-gray-300);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.hero-social-link:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Abstract Grid Design */
.abstract-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    width: 200px;
    height: 200px;
    transform: rotate(-10deg);
}

.grid-block {
    background-color: var(--color-gray-200);
    transition: background-color var(--transition-base);
}

.grid-block.accent {
    background-color: var(--color-black);
}

.grid-block:nth-child(odd):hover {
    background-color: var(--color-gray-400);
}

.code-element {
    position: absolute;
    bottom: 30%;
    right: 15%;
    display: flex;
    flex-direction: column;
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.code-line.indent {
    padding-left: var(--spacing-lg);
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 0;
    border-top: 1px solid var(--color-gray-200);
}

.cta-button {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    color: var(--color-white);
    background-color: var(--color-black);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.cta-button:hover {
    background-color: var(--color-gray-800);
}

.cta-button.cta-outline {
    color: var(--color-black);
    background-color: var(--color-white);
    border-left: 1px solid var(--color-gray-200);
}

.cta-button.cta-outline:hover {
    background-color: var(--color-gray-100);
}

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0;
    position: absolute;
    left: 50%;
    bottom: var(--spacing-md);
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator span {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gray-400);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-black), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* =========================================
   SECTIONS COMMON
   ========================================= */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.section-number {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 2px;
    color: var(--color-gray-400);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-black);
}

/* =========================================
   ABOUT SECTION
   ========================================= */
.about-section {
    background-color: var(--color-white);
}

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

.about-card {
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    transition: box-shadow var(--transition-base);
}

.about-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

/* Unified About Card with 2 Rows */
.about-unified {
    display: flex;
    flex-direction: column;
}

.about-row {
    padding: var(--spacing-2xl);
}

.about-main-row {
    background-color: var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-200);
}

.about-stats-row {
    background-color: var(--color-white);
    display: flex;
    gap: var(--spacing-2xl);
    align-items: flex-start;
    justify-content: space-between;
}

.about-heading {
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.about-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.about-text:last-of-type {
    margin-bottom: 0;
}

.about-divider {
    height: 1px;
    background-color: var(--color-gray-200);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
    align-items: flex-start;
    text-align: left;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-black);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gray-400);
    line-height: 1.35;
}

.stat-label--single {
    white-space: nowrap;
}

/* =========================================
   SKILLS SECTION
   ========================================= */
.skills-section {
    background-color: var(--color-gray-100);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--card-gap);
}

.skill-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.skill-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.skill-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.skill-icon {
    font-size: 1.25rem;
    color: var(--color-black);
}

.skill-category {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skill-list li {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.skill-card:hover .skill-list li {
    color: var(--color-black);
}

/* =========================================
   PORTFOLIO SECTION
   ========================================= */
.portfolio-section {
    background-color: var(--color-white);
    position: relative;
    z-index: 1;
    isolation: isolate;
    overflow: hidden;
    contain: layout paint;
    backface-visibility: hidden;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--card-gap);
}

.project-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.12s ease, border-color 0.12s ease;
    contain: paint;
    transform: translateZ(0);
}

.project-card:hover {
    border-color: var(--color-gray-300);
    transform: translateY(-2px) translateZ(0);
}

.project-card:focus-visible {
    outline: 2px solid var(--color-black);
    outline-offset: 2px;
}

.project-thumbnail {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background-color: var(--color-gray-200);
    transition: background-color 0.12s ease;
}

.project-thumbnail::before {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 25%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0) 75%);
    z-index: 2;
}

.project-thumb-placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    filter: blur(8px) scale(1.08);
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
    will-change: opacity;
}

.project-thumbnail.loaded .project-thumb-placeholder {
    opacity: 0;
}

.project-thumb-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    transform: translateZ(0);
}

.project-thumbnail.loaded .project-thumb-img {
    opacity: 1;
    z-index: 3;
}

.project-card:hover .project-thumbnail {
    background-color: var(--color-gray-300);
}

.project-header {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    border-top: 1px solid var(--color-gray-200);
}

.project-icon-box {
    width: 40px;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.project-platform-icon {
    display: block;
}

.project-logo-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.modal-logo-icon {
    padding: 8px;
}

.project-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    line-height: 0.98;
}

.project-tagline {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    line-height: 1.12;
    font-weight: 500;
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact-section {
    background-color: var(--color-gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--card-gap);
}

.contact-card {
    padding: var(--spacing-3xl);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
}

.contact-intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: var(--color-white);
    border-color: var(--color-gray-200);
}

.contact-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 1px;
    color: var(--color-black);
    margin-bottom: var(--spacing-lg);
}

.contact-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gray-500);
}

.contact-value {
    font-size: 1rem;
    color: var(--color-black);
    transition: opacity var(--transition-fast);
}

a.contact-value:hover {
    opacity: 0.7;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gray-500);
}

.form-input {
    padding: var(--spacing-md);
    font-size: 1rem;
    color: var(--color-black);
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-black);
    background-color: var(--color-white);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-white);
    background-color: var(--color-black);
    border: 1px solid var(--color-black);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.form-submit:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    background-color: var(--color-black);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.footer-brand {
    flex: 1;
    min-width: 0;
}

.footer-brand-head {
    display: flex;
    align-items: stretch;
    width: 100%;
}

.footer-logo-link {
    width: fit-content;
    transition: opacity var(--transition-fast);
}

.footer-logo-link:hover {
    opacity: 0.75;
}

.footer-name {
    display: block;
    width: 100%;
    font-family: var(--font-display);
    font-size: clamp(4.2rem, 18vw, 12rem);
    letter-spacing: 2px;
    color: var(--color-white);
    line-height: 0.78;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, #000 70%, rgba(0, 0, 0, 0.35) 86%, transparent 100%);
    mask-image: linear-gradient(to right, #000 70%, rgba(0, 0, 0, 0.35) 86%, transparent 100%);
}

.brand-logo-image-footer {
    border-color: var(--color-gray-700);
}

.footer-role {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.footer-links {
    display: flex;
    gap: var(--spacing-2xl);
}

.footer-link {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-copy {
    width: 100%;
    padding-top: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer-copy span {
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

.scroll-top-btn {
    position: fixed;
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-300);
    background-color: var(--color-white);
    color: var(--color-black);
    font-size: 1.2rem;
    line-height: 1;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
    z-index: 1200;
}

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

.scroll-top-btn:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* =========================================
   MODAL
   ========================================= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.12s ease, visibility 0.12s ease;
    will-change: opacity, visibility;
    backdrop-filter: none;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1100px;
    height: calc(100vh - (var(--spacing-md) * 2));
    overflow: hidden;
    background-color: var(--color-white);
    transform: translateY(10px);
    opacity: 0;
    transition: transform 0.1s ease, opacity 0.1s ease;
    display: flex;
    flex-direction: column;
    will-change: transform, opacity;
    contain: layout paint;
}

.project-thumbnail,
.hero-image,
.carousel-slide {
    position: relative;
}

.project-thumbnail::before,
.hero-image::before,
.carousel-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #efefef 25%, #f7f7f7 50%, #efefef 75%);
    background-size: 220% 100%;
    animation: skeletonSweep 0.9s linear infinite;
    opacity: 1;
    transition: opacity 0.18s ease;
    pointer-events: none;
}

.project-thumbnail.loaded::before,
.hero-image.loaded::before,
.carousel-slide.loaded::before {
    opacity: 0;
}

.modal.active .modal-content {
    transform: translateY(0);
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-gray-500);
    background-color: var(--color-gray-100);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    z-index: 10;
}

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

.modal-body {
    padding: var(--spacing-2xl) var(--spacing-2xl);
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.modal-icon-box {
    width: 56px;
    min-width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    font-size: 2rem;
    flex-shrink: 0;
}

.modal-platform-icon {
    display: block;
}

.modal-header-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
}

.modal-title-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.modal-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 1px;
    line-height: 1.2;
}

.modal-tagline {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    margin: 0;
    font-weight: 500;
}

/* Image Carousel */
.modal-carousel-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.modal-carousel {
    flex: 1;
    border: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-100);
}

.carousel-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 5.5;
    min-height: 120px;
    max-height: 190px;
    overflow: hidden;
    background-color: var(--color-gray-200);
}

.carousel-slides {
    display: flex;
    height: 100%;
    transition: transform 0.2s ease;
}

.carousel-slide {
    min-width: calc(100% / 4);
    height: 100%;
    background-color: var(--color-gray-200);
    border-right: 1px solid var(--color-gray-300);
    opacity: 0.8;
    transition: opacity var(--transition-fast), filter var(--transition-fast);
    cursor: zoom-in;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide.active img {
    opacity: 1;
}

.carousel-nav {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    flex-shrink: 0;
}

.carousel-prev {
    order: -1;
}

.carousel-next {
    order: 1;
}

.carousel-nav:hover {
    background-color: var(--color-gray-800);
    transform: scale(1.05);
}

.modal-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.modal-section {
    margin-bottom: var(--spacing-lg);
}

.modal-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-md);
}

.modal-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.modal-tech span {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-black);
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
}

.modal-actions {
    padding-top: var(--spacing-sm);
    padding-bottom: 0;
    border-top: none;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-xs);
}

.modal-actions-inline {
    padding: 0;
    border-top: none;
    margin-top: var(--spacing-xs);
    justify-content: flex-end;
}

.modal-link {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--color-black);
    color: var(--color-black);
    background-color: transparent;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background-color: rgba(0, 0, 0, 0.95);
}

.image-lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: min(92vw, 1400px);
    max-height: 88vh;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.18s ease;
    cursor: zoom-in;
    transform-origin: center center;
}

.lightbox-image.zoomed {
    transform: scale(1.9);
    cursor: zoom-out;
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-gray-300);
    background-color: var(--color-white);
    color: var(--color-black);
    font-size: 1.8rem;
    line-height: 1;
}

.modal-link:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.modal-live {
    background-color: var(--color-black);
    color: var(--color-white);
}

.modal-live:hover {
    background-color: var(--color-gray-800);
}

.modal-github {
    background-color: transparent;
}

.modal-github:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* =========================================
   RESPONSIVE STYLES
   ========================================= */

/* Tablet - Large */
@media (max-width: 1200px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero-container {
        grid-template-columns: 1.2fr 0.8fr;
    }

    .carousel-slide {
        min-width: calc(100% / 3);
    }
}

/* Tablet */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-left {
        order: 2;
    }

    .hero-right {
        order: 1;
    }

    .hero-name-card {
        min-height: 200px;
    }

    .hero-name-actions {
        right: var(--spacing-md);
        top: 54%;
    }

    .about-stats-row {
        gap: var(--spacing-2xl);
    }

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

    .modal-content {
        max-width: 92vw;
    }

    .hero-avatar {
        min-height: 320px;
    }

    .carousel-container {
        aspect-ratio: 16 / 6;
    }
}

/* Mobile - Large */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 3rem;
        --spacing-4xl: 4rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-2xl);
        background-color: var(--color-white);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
        z-index: 100;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .nav-container {
        grid-template-columns: 1fr auto;
    }

    .nav-meta {
        display: none;
    }

    .hero-bottom-row {
        grid-template-columns: 1fr;
    }

    .hero-name-actions {
        position: static;
        transform: none;
        width: 100%;
        justify-content: flex-start;
        margin-top: var(--spacing-md);
    }

    .name-line {
        font-size: clamp(4.2rem, 16vw, 5.4rem);
    }

    .about-row {
        padding: var(--spacing-xl);
    }

    .about-text {
        font-size: 0.82rem;
        line-height: 1.7;
    }

    .about-stats-row {
        flex-direction: row;
        justify-content: space-between;
        gap: var(--spacing-md);
    }

    .stat-item {
        flex: 1 1 0;
        min-width: 0;
        align-items: flex-start;
        text-align: left;
    }

    .stat-number {
        font-size: 2.75rem;
    }

    .stat-label {
        font-size: 0.62rem;
        letter-spacing: 1.5px;
    }

    .stat-number,
    .stat-label {
        width: 100%;
        text-align: left;
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-md);
    }

    .skill-card {
        padding: var(--spacing-lg);
    }

    .skill-card-header {
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
    }

    .skill-category {
        font-size: 1.2rem;
    }

    .skill-list {
        gap: var(--spacing-sm);
    }

    .skill-list li {
        font-size: 0.78rem;
        line-height: 1.4;
    }

    .skill-list li:nth-child(n+5) {
        display: none;
    }

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

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        gap: var(--spacing-lg);
    }

    .footer-links {
        justify-content: flex-start;
    }

    .modal-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .modal-title-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .modal-carousel-section {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        column-gap: var(--spacing-md);
        row-gap: var(--spacing-sm);
    }

    .modal-carousel {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .carousel-prev {
        grid-column: 1;
        grid-row: 2;
        justify-self: start;
        order: 0;
    }

    .carousel-next {
        grid-column: 2;
        grid-row: 2;
        justify-self: end;
        order: 0;
    }

    .modal-actions-inline {
        width: 100%;
        justify-content: flex-start;
    }

    .carousel-container {
        aspect-ratio: 16 / 7;
    }

    .modal-content {
        max-width: 95vw;
    }
}

/* Mobile - Small */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-card {
        padding: var(--spacing-md);
    }

    .hero-badge {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.6rem;
    }

    .name-line {
        font-size: 3.75rem;
    }

    .about-text {
        font-size: 0.78rem;
    }

    .stat-number {
        font-size: 2.4rem;
    }

    .stat-label {
        font-size: 0.58rem;
        letter-spacing: 1.25px;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-sm);
    }

    .skill-card {
        padding: var(--spacing-md);
    }

    .skill-category {
        font-size: 1rem;
    }

    .skill-list li {
        font-size: 0.72rem;
    }

    .about-card,
    .contact-card {
        padding: var(--spacing-lg);
    }

    .modal-body {
        padding: var(--spacing-lg);
    }

    .modal-header {
        margin-bottom: var(--spacing-lg);
    }

    .modal-carousel-section {
        row-gap: var(--spacing-xs);
    }

    .carousel-prev,
    .carousel-next {
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        font-size: 0.95rem;
    }

    .hero-avatar {
        min-height: 240px;
    }

    .hero-social {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-sm);
    }

    .hero-social-overlay {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        bottom: var(--spacing-sm);
    }

    .carousel-slide {
        min-width: calc(100% / 2);
    }

    .carousel-nav {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .modal-carousel-section {
        grid-template-columns: 1fr 1fr;
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .lightbox-close {
        top: var(--spacing-md);
        right: var(--spacing-md);
    }

    .project-header {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .project-icon-box {
        width: 36px;
        min-width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .project-title {
        font-size: 1.15rem;
    }

    .project-tagline {
        font-size: 0.78rem;
    }

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

    .footer-name {
        font-size: clamp(3.5rem, 26vw, 5.4rem);
        letter-spacing: 1px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translate3d(0, 15px, 0);
    transition: opacity 0.35s cubic-bezier(0.215, 0.610, 0.355, 1), transform 0.35s cubic-bezier(0.215, 0.610, 0.355, 1);
    will-change: transform, opacity;
}

.reveal.visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

@keyframes pipePulse {
    0%, 100% { transform: scaleY(0.45); opacity: 0.35; }
    50% { transform: scaleY(1); opacity: 1; }
}

/* Selection styling */
::selection {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-600);
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-black);
    outline-offset: 2px;
}

/* Disable animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    body {
        opacity: 1;
    }

    .hero-card {
        opacity: 1;
        transform: none;
    }
}

/* Print styles */
@media print {
    .navbar,
    .modal,
    .scroll-indicator,
    .hero-cta {
        display: none;
    }

    body {
        opacity: 1;
        background: white;
    }

    .hero-card,
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* High contrast mode improvements */
@media (prefers-contrast: high) {
    :root {
        --color-gray-200: #c0c0c0;
        --color-gray-400: #808080;
        --color-gray-500: #606060;
        --color-gray-600: #404040;
    }

    .skill-tag,
    .modal-tech span {
        border-width: 2px;
    }
}