/* ============================================================
   YOUCEF ZEMMAR — Full-Stack Developer Portfolio
   GitHub Dark Mode Theme — style.css
   ============================================================ */

/* ─────────────── Google Fonts Import ─────────────── */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600;700&display=swap");

/* ─────────────── CSS Custom Properties ─────────────── */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;

    --border-color: #30363d;
    --border-hover: #484f58;

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;

    --accent: #58a6ff;
    --accent-hover: #79c0ff;

    --green: #3fb950;
    --green-muted: #238636;
    --orange: #d29922;
    --red: #f85149;
    --purple: #bc8cff;

    --font-body:
        "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;

    --section-padding: 96px 0;
    --container-width: 1200px;
    --container-padding: 0 24px;

    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent-hover);
}

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

ul,
ol {
    list-style: none;
}

button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

::selection {
    background: rgba(88, 166, 255, 0.25);
    color: var(--text-primary);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

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

* {
    scrollbar-width: thin;
    scrollbar-color: var(--text-muted) var(--bg-secondary);
}

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

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

/* ═══════════════════════════════════════════════════════
   KEYFRAME ANIMATIONS
   ═══════════════════════════════════════════════════════ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blink {
    0%,
    50% {
        opacity: 1;
    }
    51%,
    100% {
        opacity: 0;
    }
}

@keyframes preloader-fill {
    0% {
        width: 0%;
    }
    50% {
        width: 70%;
    }
    100% {
        width: 100%;
    }
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(8px);
    }
}

@keyframes pulse-dot {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.3);
    }
}

/* ═══════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════ */

.glow-text {
    color: var(--accent);
}

.glow-border {
    border: 1px solid var(--border-color);
}

.terminal-text {
    font-family: var(--font-mono);
    color: var(--green);
    font-size: 0.875rem;
    line-height: 1.6;
}

.glass {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

/* ─── Section Title ─── */
.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-color);
    max-width: 300px;
}

.section-title__number {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
}

/* ─── Buttons ─── */
.cyber-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--green-muted);
    background: var(--green-muted);
    color: #ffffff;
    text-decoration: none;
    line-height: 1.5;
    white-space: nowrap;
}

.cyber-btn:hover {
    background: #2ea043;
    border-color: #2ea043;
    color: #ffffff;
    transform: translateY(-1px);
}

.cyber-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.cyber-btn--outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.cyber-btn--outline:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.cyber-btn--full {
    width: 100%;
}

.cyber-btn--green {
    background: var(--green-muted);
    border-color: var(--green-muted);
    color: #ffffff;
}

.cyber-btn--green:hover {
    background: #2ea043;
    border-color: #2ea043;
}

.cyber-btn--sm {
    padding: 6px 16px;
    font-size: 0.8125rem;
}

.cyber-btn__text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cyber-btn__icon {
    font-size: 0.75rem;
}

.cyber-btn__glitch {
    display: none;
}

/* ─── Reveal Animation ─── */
.hidden {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.5s ease,
        transform 0.5s ease;
}

.show {
    opacity: 1;
    transform: translateY(0);
}

.show.stagger:nth-child(1) {
    transition-delay: 0.05s;
}
.show.stagger:nth-child(2) {
    transition-delay: 0.1s;
}
.show.stagger:nth-child(3) {
    transition-delay: 0.15s;
}
.show.stagger:nth-child(4) {
    transition-delay: 0.2s;
}
.show.stagger:nth-child(5) {
    transition-delay: 0.25s;
}
.show.stagger:nth-child(6) {
    transition-delay: 0.3s;
}
.show.stagger:nth-child(7) {
    transition-delay: 0.35s;
}
.show.stagger:nth-child(8) {
    transition-delay: 0.4s;
}

/* ─── Tag Pill ─── */
.tag {
    display: inline-block;
    padding: 4px 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: border-color var(--transition-base);
    line-height: 1.5;
}

.tag:hover {
    border-color: var(--border-hover);
}

/* ═══════════════════════════════════════════════════════
   PRELOADER
   ═══════════════════════════════════════════════════════ */

.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    transition:
        opacity 0.4s ease,
        visibility 0.4s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.preloader__logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.preloader__bar {
    width: 200px;
    height: 3px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.preloader__fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    animation: preloader-fill 1.2s ease-in-out forwards;
}

.preloader__text {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition:
        background-color var(--transition-base),
        border-color var(--transition-base),
        padding var(--transition-base);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: var(--bg-primary);
    border-bottom-color: var(--border-color);
    padding: 12px 0;
}

.navbar__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color var(--transition-base);
}

.navbar__logo:hover {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-link {
    position: relative;
    display: inline-block;
    padding: 6px 12px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: color var(--transition-base);
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 12px;
    right: 12px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger__line {
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition:
        transform var(--transition-base),
        opacity var(--transition-base);
}

.hamburger.active .hamburger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ═══════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

/* Hide decorative cyber elements */
.hero__grid-bg,
.hero__particles,
.hero__scanline,
.hero__terminal {
    display: none !important;
}

.hero__container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

.hero__content {
    max-width: 680px;
}

/* Badge */
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--green);
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid rgba(63, 185, 80, 0.2);
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero__badge-cmd {
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

/* Name & Title */
.hero__name {
    margin-bottom: 16px;
}

.hero__greeting {
    display: block;
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

/* Disable glitch — clean text only */
.glitch {
    position: relative;
    color: var(--text-primary);
}

.glitch::before,
.glitch::after {
    display: none;
}

/* Role Line */
.hero__role {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.hero__role-bracket {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-weight: 400;
}

.hero__role-text {
    color: var(--accent);
    font-weight: 500;
}

.hero__cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

/* Tagline */
.hero__tagline {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 560px;
}

/* CTA Buttons */
.hero__cta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

/* Socials */
.hero__socials {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-base);
    text-decoration: none;
    flex-shrink: 0;
}

.social-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: block;
    transition: color var(--transition-base);
}

.social-link:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
    background: var(--bg-secondary);
}

.social-link:hover svg {
    color: var(--text-primary);
}

.social-link--sm {
    width: 36px;
    height: 36px;
}

.social-link--sm svg {
    width: 16px;
    height: 16px;
}

.footer__socials {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
}

/* ─── Terminal (contact section) ─── */
.terminal {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.terminal__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.terminal__dots {
    display: flex;
    gap: 6px;
}

.terminal__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal__dot--red {
    background: var(--red);
    opacity: 0.8;
}
.terminal__dot--yellow {
    background: var(--orange);
    opacity: 0.8;
}
.terminal__dot--green {
    background: var(--green);
    opacity: 0.8;
}

.terminal__title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    flex: 1;
    text-align: center;
}

.terminal__body {
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.8;
}

.terminal__line {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.terminal__prompt {
    color: var(--green);
    font-weight: 600;
}

.terminal__cmd {
    color: var(--text-primary);
}

.terminal__output {
    margin: 8px 0 12px 0;
    font-size: 0.8125rem;
    line-height: 2;
    white-space: pre-wrap;
}

.terminal__cursor-block {
    color: var(--green);
    animation: blink 1s step-end infinite;
}

/* Terminal syntax colors */
.t-key {
    color: var(--accent);
}
.t-string {
    color: var(--green);
}
.t-prompt {
    color: var(--green);
    font-weight: 600;
}
.t-output {
    color: var(--text-secondary);
}
.t-status-active {
    color: var(--green);
}

/* Scroll Indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.hero__scroll-indicator:hover {
    color: var(--text-secondary);
}

.hero__scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    transition: border-color var(--transition-base);
}

.hero__scroll-indicator:hover .hero__scroll-mouse {
    border-color: var(--border-hover);
}

.hero__scroll-wheel {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 3px;
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

.hero__scroll-text {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════ */

.about {
    border-top: 1px solid var(--border-color);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.about__text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about__text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about__terminal-block {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-top: 16px;
}

.about__terminal-block code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--green);
    line-height: 1.7;
}

/* Stat Cards */
.about__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about__stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition:
        border-color var(--transition-base),
        transform var(--transition-base);
}

.about__stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.about__stat-icon {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.about__stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    letter-spacing: -0.03em;
    display: inline;
}

.about__stat-card:nth-child(2) .about__stat-number {
    color: var(--green);
}

.about__stat-card:nth-child(3) .about__stat-number {
    color: var(--purple);
}

.about__stat-card:nth-child(4) .about__stat-number {
    color: var(--orange);
}

.about__stat-suffix {
    font-size: 1.25rem;
    font-weight: 700;
    color: inherit;
    margin-left: 2px;
    display: inline;
}

.about__stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════
   SKILLS
   ═══════════════════════════════════════════════════════ */

.skills {
    border-top: 1px solid var(--border-color);
}

.skills__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.skills__category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition:
        border-color var(--transition-base),
        transform var(--transition-base);
}

.skills__category:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* Color accent stripe */
.skills__category::before {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
    margin-bottom: 20px;
}

.skills__category[data-accent="green"]::before {
    background: var(--green);
}
.skills__category[data-accent="red"]::before {
    background: var(--red);
}
.skills__category[data-accent="purple"]::before {
    background: var(--purple);
}
.skills__category[data-accent="orange"]::before {
    background: var(--orange);
}
.skills__category[data-accent="pink"]::before {
    background: var(--purple);
}

.skills__category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.skills__category-icon {
    font-size: 1.125rem;
}

.skills__category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.skills__tag {
    display: inline-block;
    padding: 5px 14px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition:
        border-color var(--transition-base),
        color var(--transition-base);
    line-height: 1.5;
    cursor: default;
}

.skills__tag:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.skills__category[data-accent="green"] .skills__tag:hover {
    border-color: rgba(63, 185, 80, 0.4);
    color: var(--green);
}

.skills__category[data-accent="red"] .skills__tag:hover {
    border-color: rgba(248, 81, 73, 0.4);
    color: var(--red);
}

.skills__category[data-accent="purple"] .skills__tag:hover {
    border-color: rgba(188, 140, 255, 0.4);
    color: var(--purple);
}

.skills__category[data-accent="orange"] .skills__tag:hover {
    border-color: rgba(210, 153, 34, 0.4);
    color: var(--orange);
}

.skills__category[data-accent="pink"] .skills__tag:hover {
    border-color: rgba(188, 140, 255, 0.4);
    color: var(--purple);
}

/* ═══════════════════════════════════════════════════════
   EXPERIENCE
   ═══════════════════════════════════════════════════════ */

.experience {
    border-top: 1px solid var(--border-color);
}

.experience__timeline {
    position: relative;
    max-width: 720px;
    padding-left: 32px;
}

.experience__timeline::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    border-radius: 2px;
}

.experience__item {
    position: relative;
    margin-bottom: 40px;
}

.experience__item,
.experience__item[data-side="right"],
.experience__item[data-side="left"] {
    width: 100%;
    margin-left: 0;
    padding-left: 0;
    padding-right: 0;
    text-align: left;
}

.experience__item::before {
    content: "";
    position: absolute;
    left: -37px;
    top: 24px;
    width: 12px;
    height: 12px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    transition:
        border-color var(--transition-base),
        background var(--transition-base);
    z-index: 1;
}

.experience__item[data-side="right"]::before,
.experience__item[data-side="left"]::before {
    left: -37px;
    right: auto;
}

.experience__item:hover::before {
    border-color: var(--accent);
    background: var(--accent);
}

.experience__card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition:
        border-color var(--transition-base),
        transform var(--transition-base);
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.12),
        0 8px 24px rgba(0, 0, 0, 0.12);
}

.experience__card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.experience__card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.experience__item[data-side="left"] .experience__card-header {
    flex-direction: row;
}

.experience__badge {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.experience__badge--active {
    color: var(--green);
    background: rgba(63, 185, 80, 0.1);
    border-color: rgba(63, 185, 80, 0.2);
}

.experience__date {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.experience__role {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.experience__company {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.experience__description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.experience__item[data-side="left"] .experience__tech-tags {
    justify-content: flex-start;
}

/* ═══════════════════════════════════════════════════════
   PROJECTS
   ═══════════════════════════════════════════════════════ */

.projects {
    border-top: 1px solid var(--border-color);
}

.projects__subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-top: -2rem;
    margin-bottom: 3rem;
    max-width: 560px;
}

/* ─── Featured Project ─── */
.project-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.12),
        0 8px 24px rgba(0, 0, 0, 0.12);
    transition: border-color var(--transition-base);
}

.project-featured::before {
    display: none;
}

.project-featured:hover {
    border-color: var(--border-hover);
}

.project-featured__content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.project-featured__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.project-featured__label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.project-featured__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.project-featured__desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.project-featured__tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 4px 0;
}

/* ─── Browser Mockup ─── */
.project-featured__visual {
    display: flex;
    justify-content: center;
}

.project-featured__browser {
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--bg-tertiary);
    transition: border-color var(--transition-base);
}

.project-featured:hover .project-featured__browser {
    border-color: var(--border-hover);
}

.browser__bar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.browser__dots {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.browser__dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.browser__dots span:first-child {
    background: var(--red);
    opacity: 0.75;
}

.browser__dots span:nth-child(2) {
    background: var(--orange);
    opacity: 0.75;
}

.browser__dots span:nth-child(3) {
    background: var(--green);
    opacity: 0.75;
}

.browser__url {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.browser__url svg {
    color: var(--green);
    flex-shrink: 0;
    width: 12px;
    height: 12px;
}

.browser__content {
    padding: 20px;
    min-height: 200px;
}

.browser__skeleton {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.skel {
    border-radius: var(--radius-sm);
    background: var(--border-color);
    opacity: 0.3;
}

.skel--nav {
    height: 12px;
    width: 100%;
    border-radius: 4px;
}

.skel--hero {
    height: 80px;
    width: 100%;
}

.skel-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

.skel--card {
    height: 60px;
    border-radius: var(--radius-sm);
}

.pulse-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    margin-right: 2px;
    vertical-align: middle;
    animation: pulse-dot 2s ease-in-out infinite;
}

/* ─── Project Cards Grid ─── */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    padding: 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    transition:
        border-color var(--transition-base),
        transform var(--transition-base);
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.12),
        0 8px 24px rgba(0, 0, 0, 0.12);
}

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

.project-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.project-card__icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--accent);
    flex-shrink: 0;
}

.project-card__icon svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.project-card__type {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 3px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.project-card__type--live {
    color: var(--green);
    background: rgba(63, 185, 80, 0.1);
    border-color: rgba(63, 185, 80, 0.2);
}

.project-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    transition: color var(--transition-base);
}

.project-card:hover .project-card__title {
    color: var(--accent);
}

.project-card__desc {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.project-card__description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.project-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-card__footer {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.project-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-base);
    text-decoration: none;
}

.project-card__link svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.project-card__link:hover {
    color: var(--accent);
}

.project-card__link:hover svg {
    transform: translate(2px, -2px);
}

/* ═══════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════ */

.contact {
    border-top: 1px solid var(--border-color);
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

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

.contact__terminal {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.contact__highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact__highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base);
}

.contact__highlight-item:hover {
    border-color: var(--border-hover);
}

.contact__highlight-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact__highlight-item strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.contact__highlight-item p {
    color: var(--text-muted);
    font-size: 0.8125rem;
    margin: 0;
    line-height: 1.5;
}

/* ─── Contact Form ─── */
.contact__form {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact__form-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

.contact__form-group {
    position: relative;
}

.contact__label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}

.contact__input {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-base);
}

.contact__input::placeholder {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.contact__input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.contact__input:focus + .contact__input-line {
    width: 100%;
}

.contact__input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--accent);
    transition: width var(--transition-base);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.contact__textarea {
    min-height: 130px;
    resize: vertical;
}

.contact__form-status {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    text-align: center;
    min-height: 24px;
}

.contact__form-status.success {
    color: var(--green);
}

.contact__form-status.error {
    color: var(--red);
}

/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */

.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 48px 0 32px;
}

.footer__container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.footer__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer__logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
}

.footer__tagline {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.footer__nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer__link {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer__link:hover {
    color: var(--accent);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.footer__copyright {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer__credit {
    font-size: 0.75rem;
}

/* ═══════════════════════════════════════════════════════
   BACK TO TOP
   ═══════════════════════════════════════════════════════ */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.125rem;
    text-decoration: none;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE — 1024px
   ═══════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 0;
    }

    .hero__container {
        text-align: center;
    }

    .hero__content {
        align-items: center;
    }

    .hero__badge {
        margin: 0 auto 24px;
    }

    .hero__tagline {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__cta {
        justify-content: center;
    }

    .hero__socials {
        justify-content: center;
    }

    .hero__role {
        justify-content: center;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .project-featured {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .experience__timeline {
        max-width: 100%;
    }

    .contact__wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE — 768px
   ═══════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    :root {
        --section-padding: 64px 0;
        --container-padding: 0 16px;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 0;
        padding: 80px 32px;
        background: var(--bg-primary);
        border-left: 1px solid var(--border-color);
        transition: right var(--transition-base);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        font-size: 1rem;
        padding: 14px 0;
        border-bottom: 1px solid var(--border-color);
    }

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

    .hero__container {
        text-align: center;
        padding-top: 100px;
    }

    .hero__content {
        align-items: center;
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero__cta {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .hero__cta .cyber-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero__role {
        justify-content: center;
        font-size: 1rem;
    }

    .hero__badge {
        margin: 0 auto 24px;
    }

    .hero__tagline {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .hero__socials {
        justify-content: center;
    }

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

    .about__text {
        text-align: center;
    }

    .about__terminal-block {
        text-align: left;
    }

    .about__stat-card {
        padding: 20px;
    }

    .about__stat-number {
        font-size: 1.75rem;
    }

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

    .project-featured {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px;
    }

    .project-featured__visual {
        order: -1;
    }

    .project-featured__title {
        font-size: 1.5rem;
    }

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

    .projects__subtitle {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .section-title::after {
        display: none;
    }

    .section-title__number {
        font-size: 0.875rem;
    }

    .footer__content {
        flex-direction: column;
        text-align: center;
    }

    .footer__nav {
        justify-content: center;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer__socials {
        justify-content: center;
    }

    .footer__brand {
        align-items: center;
    }
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE — 480px
   ═══════════════════════════════════════════════════════ */

@media (max-width: 480px) {
    :root {
        --section-padding: 48px 0;
        --container-padding: 0 14px;
    }

    .hero__title {
        font-size: clamp(1.75rem, 10vw, 2.25rem);
    }

    .hero__role {
        font-size: 0.875rem;
    }

    .hero__greeting {
        font-size: 0.875rem;
    }

    .hero__tagline {
        font-size: 0.9375rem;
    }

    .hero__badge {
        font-size: 0.75rem;
        padding: 5px 12px;
    }

    .hero__socials {
        gap: 10px;
    }

    .social-link {
        width: 36px;
        height: 36px;
    }

    .social-link svg {
        width: 16px;
        height: 16px;
    }

    .section-title {
        font-size: 1.375rem;
    }

    .section-title__number {
        font-size: 0.8125rem;
    }

    .about__stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .about__stat-card {
        padding: 16px;
    }

    .about__stat-number {
        font-size: 1.5rem;
    }

    .skills__tag {
        font-size: 0.6875rem;
        padding: 4px 10px;
    }

    .project-featured {
        padding: 18px;
        gap: 20px;
    }

    .project-featured__browser {
        max-width: 100%;
    }

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

    .skel--card:last-child {
        display: none;
    }

    .project-card {
        padding: 20px;
    }

    .project-card__title {
        font-size: 1rem;
    }

    .project-card__description {
        font-size: 0.8125rem;
    }

    .experience__card {
        padding: 20px;
    }

    .experience__role {
        font-size: 1rem;
    }

    .experience__description {
        font-size: 0.8125rem;
    }

    .experience__item {
        margin-bottom: 32px;
    }

    .contact__form {
        padding: 20px 16px;
    }

    .contact__input {
        padding: 10px 14px;
        font-size: 0.8125rem;
    }

    .contact__textarea {
        min-height: 110px;
    }

    .contact__highlight-item {
        padding: 12px 14px;
    }

    .cyber-btn {
        padding: 10px 20px;
        font-size: 0.8125rem;
    }

    .tag {
        font-size: 0.6875rem;
        padding: 3px 8px;
    }

    .footer {
        padding: 32px 0 24px;
    }

    .footer__copyright,
    .footer__credit {
        font-size: 0.6875rem;
    }

    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 38px;
        height: 38px;
    }
}

/* ═══════════════════════════════════════════════════════
   ULTRA-WIDE (min-width: 1600px)
   ═══════════════════════════════════════════════════════ */

@media (min-width: 1600px) {
    :root {
        --container-width: 1400px;
    }

    .hero__title {
        font-size: 4rem;
    }

    .projects__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ═══════════════════════════════════════════════════════
   PREFERS REDUCED MOTION
   ═══════════════════════════════════════════════════════ */

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

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

    .hero__cursor {
        animation: none;
        opacity: 1;
    }

    .hero__scroll-wheel {
        animation: none;
    }

    .preloader__fill {
        animation: none;
        width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════
   PRINT STYLES
   ═══════════════════════════════════════════════════════ */

@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
        animation: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .navbar,
    .hero__scanline,
    .hero__particles,
    .hero__grid-bg,
    .hero__scroll-indicator,
    .preloader,
    .back-to-top {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .section {
        padding: 30px 0;
        page-break-inside: avoid;
    }

    a {
        text-decoration: underline;
    }

    .cyber-btn {
        border: 1px solid #000;
    }

    .project-card,
    .about__stat-card,
    .experience__card,
    .skills__category {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
}