/* ══════════════════════════════════════════════════════
   RAHUL SHAH — PORTFOLIO
   Theme: Black & White | Coder / IDE Aesthetic
   ══════════════════════════════════════════════════════ */

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

:root {
    --black: #0a0a0a;
    --white: #fafafa;
    --gray-50: #f5f5f5;
    --gray-100: #e8e8e8;
    --gray-200: #d4d4d4;
    --gray-300: #a3a3a3;
    --gray-400: #737373;
    --gray-500: #525252;
    --gray-600: #404040;
    --gray-700: #262626;
    --gray-800: #171717;
    --gray-900: #0a0a0a;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'Consolas', 'Courier New', monospace;

    --dash-color: rgba(10, 10, 10, 0.85);
    --dash-color-hover: #0a0a0a;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--gray-700);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.mono {
    font-family: var(--font-mono);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

strong {
    font-weight: 600;
    color: var(--black);
}

/* ── Code Rain Canvas ──────────────────────────────── */
.code-rain-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.025;
}

/* ── Grain Overlay ─────────────────────────────────── */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px;
}

/* ── Line Numbers Gutter (left side) ───────────────── */
.line-numbers-gutter {
    position: fixed;
    top: 64px;
    left: 0;
    width: 40px;
    height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 16px 8px 16px 0;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--gray-200);
    user-select: none;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
    gap: 2px;
    border-right: 1px dashed var(--gray-100);
}

@media (max-width: 1100px) {
    .line-numbers-gutter {
        display: none;
    }
}

/* ── Blinking Cursor ───────────────────────────────── */
.blink {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ── Code Syntax Colors (monochrome) ───────────────── */
.code-keyword {
    color: var(--gray-400);
    font-weight: 500;
}

.code-var {
    color: var(--black);
    font-weight: 600;
}

.code-string {
    color: var(--gray-500);
}

.code-comment {
    font-size: 0.7rem;
    color: var(--gray-300);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.code-comment-inline {
    color: var(--gray-300);
    margin-right: 6px;
}

.logo-bracket {
    color: var(--gray-400);
    font-weight: 400;
}

/* ── Dashed Box — Core Theme Element ───────────────── */
.dashed-box {
    border: 1px dashed var(--dash-color);
    transition: border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.dashed-box:hover {
    border-color: var(--dash-color-hover);
}

/* ── Container ─────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
}

/* ══════════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════════ */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px dashed var(--dash-color);
    transition: background var(--transition-medium), box-shadow var(--transition-medium);
}

#main-nav.scrolled {
    background: rgba(250, 250, 250, 0.96);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

@media (min-width: 768px) {
    .nav-inner {
        padding: 0 40px;
    }
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: 0.02em;
}

.nav-links {
    display: none;
    gap: 28px;
    align-items: center;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--gray-400);
    position: relative;
    padding: 4px 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--black);
    transition: width var(--transition-fast);
}

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

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

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

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

.nav-link-blog {
    border: 1px dashed var(--dash-color);
    padding: 4px 12px;
    border-radius: 2px;
}

.nav-link-blog::after {
    display: none;
}

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

/* ── Mobile Nav Toggle ─────────────────────────────── */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--black);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ── Mobile Menu ───────────────────────────────────── */
.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    border-top: 1px dashed var(--dash-color);
}

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

@media (min-width: 768px) {
    .mobile-menu {
        display: none !important;
    }
}

.mobile-link {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--gray-500);
    padding: 12px 16px;
    border: 1px dashed transparent;
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-link:hover {
    color: var(--black);
    border-color: var(--dash-color);
    background: var(--gray-50);
}

/* ══════════════════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════════════════ */
.hero-section {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 40px;
}

.hero-content {
    padding: 40px 24px;
    position: relative;
    background: rgba(250, 250, 250, 0.7);
}

@media (min-width: 768px) {
    .hero-content {
        padding: 56px 48px;
    }
}

.hero-top {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@media (min-width: 640px) {
    .hero-top {
        flex-direction: row;
        align-items: flex-end;
        gap: 32px;
    }
}

.hero-image-wrapper {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    background: var(--gray-100);
}

@media (min-width: 768px) {
    .hero-image-wrapper {
        width: 130px;
        height: 130px;
    }
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: filter var(--transition-medium);
}

.hero-image-wrapper:hover .hero-image {
    filter: grayscale(0%) contrast(1);
}

.image-scanline {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(250, 250, 250, 0.3);
    animation: scanline 4s linear infinite;
    pointer-events: none;
}

@keyframes scanline {
    0% { top: 0; }
    100% { top: 100%; }
}

.hero-label {
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.hero-title {
    font-family: var(--font-sans);
    font-size: 3rem;
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--black);
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3.8rem;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

.hero-title-accent {
    display: inline;
    position: relative;
}

.hero-title-accent::after {
    content: '';
    position: absolute;
    bottom: 0.08em;
    left: 0;
    right: 0;
    height: 0.18em;
    background: var(--gray-200);
    z-index: -1;
    transition: background var(--transition-fast);
}

.hero-title:hover .hero-title-accent::after {
    background: var(--gray-400);
}

.hero-subtitle {
    margin-top: 20px;
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.7;
    color: var(--gray-500);
    max-width: 540px;
}

/* ── Hero Actions ──────────────────────────────────── */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--black);
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px dashed var(--gray-600);
    transition: all var(--transition-fast);
    min-height: 44px;
}

.btn-primary:hover {
    background: var(--gray-700);
    border-color: var(--gray-400);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    background: transparent;
    color: var(--black);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px dashed var(--dash-color);
    transition: all var(--transition-fast);
    min-height: 44px;
}

.btn-secondary:hover {
    border-color: var(--black);
    background: var(--gray-50);
    transform: translateY(-1px);
}

/* ── Hero Contacts ─────────────────────────────────── */
.hero-contacts {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px dashed var(--dash-color);
}

@media (min-width: 640px) {
    .hero-contacts {
        grid-template-columns: 1fr 1fr;
        gap: 8px 32px;
    }
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--gray-500);
    font-family: var(--font-mono);
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--gray-400);
}

.contact-item a:hover {
    color: var(--black);
}

/* ══════════════════════════════════════════════════════
   SECTIONS — General
   ══════════════════════════════════════════════════════ */
.section {
    padding: 80px 0;
}

@media (min-width: 768px) {
    .section {
        padding: 100px 0;
    }
}

.section-header {
    padding: 16px 20px;
    margin-bottom: 32px;
    display: flex;
    align-items: baseline;
    gap: 16px;
    background: rgba(250, 250, 250, 0.7);
}

.section-label {
    font-size: 0.65rem;
    letter-spacing: 0.02em;
    color: var(--gray-400);
    white-space: nowrap;
}

.section-title {
    font-family: var(--font-sans);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--black);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.2rem;
    }
}

/* ══════════════════════════════════════════════════════
   SUMMARY
   ══════════════════════════════════════════════════════ */
.summary-content {
    padding: 32px 24px;
    background: rgba(250, 250, 250, 0.7);
}

@media (min-width: 768px) {
    .summary-content {
        padding: 40px 48px;
    }
}

.summary-text {
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--gray-600);
    max-width: 680px;
}

@media (min-width: 768px) {
    .summary-text {
        font-size: 1.25rem;
        line-height: 1.8;
    }
}

/* ── Terminal Block ────────────────────────────────── */
.summary-terminal {
    margin-top: 32px;
    background: var(--gray-900);
    color: var(--gray-200);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.terminal-title {
    font-size: 0.7rem;
    color: var(--gray-400);
    margin-left: 8px;
}

.terminal-body {
    padding: 20px 16px;
    font-size: 0.78rem;
    line-height: 2;
}

.terminal-prompt {
    color: var(--gray-300);
    margin-right: 8px;
}

.terminal-output {
    color: var(--gray-400);
    padding-left: 24px;
    margin-bottom: 4px;
}

/* ══════════════════════════════════════════════════════
   EDUCATION
   ══════════════════════════════════════════════════════ */
.education-grid {
    display: grid;
    gap: 20px;
}

.education-card {
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
    background: rgba(250, 250, 250, 0.7);
    z-index: 0;
}

@media (min-width: 768px) {
    .education-card {
        padding: 32px 36px;
    }
}

.education-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.edu-top {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

@media (min-width: 640px) {
    .edu-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: 16px;
    }
}

.edu-school {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--black);
    line-height: 1.4;
}

.edu-badge {
    display: inline-block;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--gray-400);
    border: 1px dashed var(--dash-color);
    padding: 3px 10px;
    margin-top: 6px;
    vertical-align: middle;
}

.edu-period {
    font-size: 0.72rem;
    color: var(--gray-400);
    white-space: nowrap;
    padding-top: 2px;
}

.edu-detail {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-top: 8px;
}

.edu-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.edu-stat {
    font-size: 0.7rem;
    padding: 6px 14px;
    color: var(--gray-500);
    background: var(--gray-50);
}

/* ══════════════════════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════════════════════ */
.projects-grid {
    display: grid;
    gap: 24px;
}

.project-card {
    display: flex;
    background: rgba(250, 250, 250, 0.7);
    transition: all var(--transition-medium);
    position: relative;
    z-index: 0;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* ── Project Line Numbers (code editor aesthetic) ──── */
.project-line-numbers {
    display: none;
    flex-direction: column;
    align-items: flex-end;
    padding: 28px 12px 28px 16px;
    border-right: 1px dashed var(--dash-color);
    gap: 8px;
    font-size: 0.65rem;
    color: var(--gray-200);
    user-select: none;
    background: var(--gray-50);
    min-width: 48px;
}

@media (min-width: 640px) {
    .project-line-numbers {
        display: flex;
    }
}

.project-body {
    padding: 28px 24px;
    flex: 1;
}

@media (min-width: 768px) {
    .project-body {
        padding: 36px 40px;
    }
}

.project-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.project-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--gray-50);
    color: var(--gray-500);
}

.project-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: -0.01em;
}

.project-status {
    display: inline-block;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-top: 4px;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.stack-tag {
    font-size: 0.65rem;
    padding: 5px 12px;
    color: var(--gray-500);
    background: var(--gray-50);
    letter-spacing: 0.05em;
}

.project-points {
    list-style: none;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.project-points li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--gray-600);
}

.point-marker {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-top: 8px;
    flex-shrink: 0;
    border: 1px dashed var(--gray-300);
    border-radius: 50%;
}

/* ── Project Actions (GitHub button) ───────────────── */
.project-actions {
    margin-top: 24px;
    display: flex;
    gap: 12px;
}

.btn-github {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-600);
    background: transparent;
    border: 1px dashed var(--dash-color);
    transition: all var(--transition-fast);
    min-height: 40px;
}

.btn-github:hover {
    color: var(--black);
    border-color: var(--black);
    background: var(--gray-50);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.06);
}

/* ── Show More Projects Button ─────────────────────── */
.projects-more {
    margin-top: 40px;
    text-align: center;
}

.btn-show-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--white);
    transition: all var(--transition-fast);
    min-height: 48px;
}

.btn-show-more:hover {
    color: var(--black);
    border-color: var(--black) !important;
    background: var(--gray-50);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.btn-show-more svg {
    transition: transform var(--transition-fast);
}

.btn-show-more:hover svg {
    transform: translateX(4px);
}

/* ══════════════════════════════════════════════════════
   SKILLS
   ══════════════════════════════════════════════════════ */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 640px) {
    .skills-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.skill-group {
    padding: 24px;
    background: rgba(250, 250, 250, 0.7);
    transition: all var(--transition-medium);
    position: relative;
    z-index: 0;
    overflow: hidden;
}

.skill-group:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.skill-group-highlight {
    grid-column: 1 / -1;
    background: var(--gray-900);
    border-color: var(--gray-700) !important;
}

.skill-group-highlight:hover {
    border-color: var(--gray-500) !important;
}

.skill-group-highlight .skill-group-title {
    color: var(--gray-300);
}

.skill-group-highlight .code-comment-inline {
    color: var(--gray-500);
}

.skill-group-title {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 14px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 6px 14px;
    border: 1px dashed var(--dash-color);
    color: var(--gray-600);
    background: var(--gray-50);
    transition: all var(--transition-fast);
    cursor: default;
}

.skill-tag:hover {
    border-color: var(--black);
    color: var(--black);
    background: var(--white);
    transform: translateY(-1px);
}

.skill-tag-learning {
    background: transparent;
    color: var(--gray-300);
    border-color: var(--gray-600);
}

.skill-tag-learning:hover {
    color: var(--white);
    border-color: var(--gray-300);
    background: rgba(255, 255, 255, 0.05);
}

/* ══════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════ */
.contact-content {
    padding: 40px 24px;
    text-align: center;
    background: rgba(250, 250, 250, 0.7);
}

@media (min-width: 768px) {
    .contact-content {
        padding: 56px 48px;
    }
}

.contact-text {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 480px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 420px;
    margin: 0 auto;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    color: var(--gray-600);
    font-family: var(--font-mono);
    transition: all var(--transition-fast);
}

.contact-link:hover {
    color: var(--black);
    border-color: var(--black) !important;
    background: var(--gray-50);
    transform: translateX(4px);
}

.contact-link span {
    flex: 1;
    text-align: left;
    font-size: 0.82rem;
}

.link-arrow {
    opacity: 0;
    transform: translate(-4px, 4px);
    transition: all var(--transition-fast);
}

.contact-link:hover .link-arrow {
    opacity: 1;
    transform: translate(0, 0);
}

/* ══════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════ */
.footer {
    border-top: 1px dashed var(--dash-color);
    border-bottom: none;
    border-left: none;
    border-right: none;
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    text-align: center;
}

@media (min-width: 640px) {
    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-text {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.footer-copy {
    font-size: 0.65rem;
    color: var(--gray-400);
}

.footer-code {
    margin-top: 16px;
    font-size: 0.7rem;
    color: var(--gray-300);
    text-align: center;
}

/* ══════════════════════════════════════════════════════
   SCROLL TO TOP
   ══════════════════════════════════════════════════════ */
.scroll-top-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--gray-500);
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all var(--transition-medium);
}

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

.scroll-top-btn:hover {
    color: var(--black);
    border-color: var(--black) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ══════════════════════════════════════════════════════
   PROJECTS PAGE
   ══════════════════════════════════════════════════════ */
.projects-page-header {
    padding-top: 100px;
    padding-bottom: 0;
}

.page-header-content {
    padding: 40px 24px;
    background: rgba(250, 250, 250, 0.7);
}

@media (min-width: 768px) {
    .page-header-content {
        padding: 56px 48px;
    }
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--gray-400);
    margin-bottom: 24px;
    transition: color var(--transition-fast);
}

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

.back-link svg {
    transition: transform var(--transition-fast);
}

.back-link:hover svg {
    transform: translateX(-4px);
}

.page-title {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--black);
    margin-top: 8px;
}

@media (min-width: 768px) {
    .page-title {
        font-size: 3.2rem;
    }
}

.page-subtitle {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--gray-500);
    margin-top: 12px;
    max-width: 520px;
    line-height: 1.6;
}

.page-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.page-stat {
    font-size: 0.7rem;
    padding: 6px 14px;
    color: var(--gray-500);
    background: var(--gray-50);
}

.projects-page-section {
    padding-top: 40px;
}

/* ══════════════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════════════ */
[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger support */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="150"] { transition-delay: 0.15s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="250"] { transition-delay: 0.25s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="350"] { transition-delay: 0.35s; }
[data-delay="400"] { transition-delay: 0.4s; }

/* ── Hover background fills ────────────────────────── */
.project-card::before,
.education-card::before,
.skill-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: var(--gray-50);
    transition: height var(--transition-medium);
    z-index: -1;
}

.project-card:hover::before,
.education-card:hover::before,
.skill-group:hover::before {
    height: 100%;
}

/* ══════════════════════════════════════════════════════
   SELECTION & SCROLLBAR
   ══════════════════════════════════════════════════════ */
::selection {
    background: var(--gray-800);
    color: var(--white);
}

::-moz-selection {
    background: var(--gray-800);
    color: var(--white);
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-50);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

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

/* ══════════════════════════════════════════════════════
   FOCUS STYLES (Accessibility)
   ══════════════════════════════════════════════════════ */
a:focus-visible,
button:focus-visible {
    outline: 2px dashed var(--black);
    outline-offset: 3px;
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE FINE-TUNING
   ══════════════════════════════════════════════════════ */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .hero-content {
        padding: 24px 16px;
    }

    .summary-content {
        padding: 24px 16px;
    }

    .project-body {
        padding: 24px 16px;
    }

    .education-card {
        padding: 24px 16px;
    }

    .contact-content {
        padding: 32px 16px;
    }

    .skill-group {
        padding: 20px 16px;
    }

    .section {
        padding: 60px 0;
    }

    .page-header-content {
        padding: 32px 16px;
    }

    .page-title {
        font-size: 2rem;
    }
}

/* ── Print Styles ──────────────────────────────────── */
@media print {
    .grain-overlay,
    #main-nav,
    .scroll-top-btn,
    .code-rain-canvas,
    .line-numbers-gutter {
        display: none !important;
    }

    .dashed-box {
        border: 1px dashed #999 !important;
    }

    [data-animate] {
        opacity: 1 !important;
        transform: none !important;
    }

    .section {
        padding: 24px 0;
        page-break-inside: avoid;
    }
}