/* ============================================
   PORTFOLIO — Lunekkowo
   Design System & Global Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.15);

    --text-primary: #e8e6f0;
    --text-secondary: #9390a5;
    --text-muted: #5a5773;

    --accent-primary: #7c3aed;
    --accent-secondary: #a855f7;
    --accent-tertiary: #c084fc;
    --accent-glow: rgba(124, 58, 237, 0.3);
    --accent-glow-strong: rgba(124, 58, 237, 0.5);

    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #6366f1 100%);
    --gradient-hero: linear-gradient(180deg, rgba(124, 58, 237, 0.08) 0%, transparent 60%);
    --gradient-card: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);

    --network-color: #06b6d4;
    --dev-color: #a855f7;
    --tools-color: #f59e0b;

    --success: #10b981;
    --error: #ef4444;

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Sizing */
    --container-max: 1200px;
    --nav-height: 72px;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --border-radius-xs: 6px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

::selection {
    background: var(--accent-primary);
    color: white;
}

/* --- Utilities --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-secondary);
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.section-line {
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 0 auto;
}

/* --- Canvas Background --- */
#network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition-base);
    backdrop-filter: blur(0px);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-base);
    z-index: 1001;
}

.nav-logo:hover {
    color: var(--accent-secondary);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--border-radius-xs);
    transition: var(--transition-base);
    position: relative;
}

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

.nav-link.active {
    background: var(--bg-glass);
    color: var(--accent-tertiary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition-base);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: calc(var(--nav-height) + 40px) 24px 80px;
    background: var(--gradient-hero);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-tertiary);
    margin-bottom: 32px;
    animation: fadeInDown 0.8s ease forwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.1s forwards;
    opacity: 0;
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 20px;
    min-height: 2.5rem;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

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

.cursor {
    display: inline-block;
    color: var(--accent-primary);
    animation: blink 0.8s infinite;
    font-weight: 300;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow-strong);
}

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

.btn-secondary {
    border: 1px solid var(--border-glass-hover);
    color: var(--text-primary);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.1);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    animation: fadeInUp 0.8s ease 0.5s forwards;
    opacity: 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-secondary);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-glass);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 0.7s forwards;
    opacity: 0;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.mouse-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-secondary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.reveal-left {
    transform: translateX(-40px);
}

.reveal.reveal-right {
    transform: translateX(40px);
}

.reveal.visible {
    opacity: 1;
    transform: translate(0) !important;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.image-frame {
    position: relative;
}

.image-placeholder {
    aspect-ratio: 3/4;
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.85rem;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.image-decoration {
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-primary);
    border-radius: var(--border-radius);
    opacity: 0.2;
    z-index: -1;
}

.about-text h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 28px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-base);
}

.highlight-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glass-hover);
    transform: translateX(8px);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    color: var(--accent-secondary);
    flex-shrink: 0;
}

.highlight-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.highlight-item span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    transition: var(--transition-base);
}

.skill-card:nth-child(1)::before {
    background: linear-gradient(90deg, var(--network-color), #22d3ee);
}

.skill-card:nth-child(2)::before {
    background: linear-gradient(90deg, var(--dev-color), #c084fc);
}

.skill-card:nth-child(3)::before {
    background: linear-gradient(90deg, var(--tools-color), #fbbf24);
}

.skill-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glass-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.skill-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.skill-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
}

.network-icon {
    color: var(--network-color);
}

.dev-icon {
    color: var(--dev-color);
}

.tools-icon {
    color: var(--tools-color);
}

.skill-card-header h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.skill-info span:first-child {
    color: var(--text-secondary);
}

.skill-percent {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    width: 0%;
    border-radius: 3px;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-card:nth-child(1) .skill-fill {
    background: linear-gradient(90deg, var(--network-color), #22d3ee);
}

.skill-card:nth-child(2) .skill-fill {
    background: linear-gradient(90deg, var(--dev-color), #c084fc);
}

.skill-card:nth-child(3) .skill-fill {
    background: linear-gradient(90deg, var(--tools-color), #fbbf24);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 24px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    transition: var(--transition-base);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-glass-hover);
}

.filter-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-base);
}

.project-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-card.hidden {
    display: none;
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-placeholder {
    color: var(--text-muted);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50%;
    color: var(--text-primary);
    transition: var(--transition-base);
    transform: translateY(10px);
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.project-info {
    padding: 24px;
}

.project-info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.project-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

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

.tag {
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-tertiary);
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 50px;
}

/* ============================================
   TIMELINE SECTION
   ============================================ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-primary), var(--border-glass));
}

.timeline-item {
    display: flex;
    margin-bottom: 48px;
    position: relative;
}

.timeline-item[data-side="left"] {
    justify-content: flex-start;
    padding-right: calc(50% + 32px);
}

.timeline-item[data-side="right"] {
    justify-content: flex-end;
    padding-left: calc(50% + 32px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 24px;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.2);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 28px;
    transition: var(--transition-base);
    width: 100%;
}

.timeline-content:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glass-hover);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.timeline-date {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
}

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

.timeline-tags span {
    padding: 4px 12px;
    font-size: 0.72rem;
    font-weight: 500;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    color: var(--text-muted);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.contact-info>p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-base);
}

.contact-method:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glass-hover);
    transform: translateX(8px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    color: var(--accent-secondary);
    flex-shrink: 0;
}

.contact-method strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.contact-method span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 36px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition-base);
    outline: none;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.btn-submit {
    width: 100%;
    justify-content: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 60px 0 32px;
    border-top: 1px solid var(--border-glass);
    position: relative;
    z-index: 1;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.heart {
    color: var(--error);
    animation: heartbeat 1.5s infinite;
    display: inline-block;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-secondary);
}

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

/* ============================================
   PAGE HEADER (for sub-pages)
   ============================================ */
.page-header {
    padding: calc(var(--nav-height) + 60px) 0 60px;
    background: var(--gradient-hero);
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-header .section-tag {
    margin-bottom: 12px;
}

.page-header .section-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    margin-bottom: 16px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.breadcrumb a {
    color: var(--text-muted);
    transition: var(--transition-base);
}

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

.breadcrumb .separator {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--accent-tertiary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .skills-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .about-image {
        max-width: 320px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--nav-height) + 32px) 32px 32px;
        transition: var(--transition-base);
        border-left: 1px solid var(--border-glass);
        gap: 4px;
    }

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

    .nav-link {
        width: 100%;
        padding: 14px 18px;
        font-size: 1rem;
    }

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

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

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item[data-side="left"],
    .timeline-item[data-side="right"] {
        padding-left: 56px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-dot {
        left: 20px;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: calc(var(--nav-height) + 24px) 16px 60px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .skill-card {
        padding: 24px;
    }

    .project-info {
        padding: 20px;
    }
}

/* ============================================
   ENTERPRISE MODE — UNLOCK SYSTEM
   ============================================ */

/* Enterprise Badge in Nav */
.enterprise-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    animation: fadeInDown 0.5s ease;
}

/* Nav Lock Icon */
.nav-lock {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    cursor: pointer;
    transition: var(--transition-base);
    flex-shrink: 0;
    margin-left: 8px;
}

.nav-lock:hover {
    color: var(--accent-secondary);
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.08);
}

/* When enterprise mode is active, show green lock */
body:has(.enterprise-badge) .nav-lock {
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.3);
}

body:has(.enterprise-badge) .nav-lock:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.5);
}
.footer-unlock {
    margin: 20px 0;
}

.unlock-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-body);
}

.unlock-trigger:hover {
    color: var(--accent-secondary);
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.05);
}

/* Unlock Modal */
.unlock-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.unlock-modal.active {
    opacity: 1;
}

.unlock-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.unlock-dialog {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 40px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

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

.unlock-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 0.9rem;
}

.unlock-close:hover {
    color: var(--text-primary);
    border-color: var(--border-glass-hover);
}

.unlock-icon {
    width: 64px;
    height: 64px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--accent-secondary);
}

.unlock-dialog h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.unlock-dialog p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

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

.unlock-input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-xs);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-align: center;
    text-transform: uppercase;
    outline: none;
    transition: var(--transition-base);
}

.unlock-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.unlock-input::placeholder {
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.unlock-submit {
    padding: 14px 20px !important;
    border-radius: var(--border-radius-xs) !important;
    flex-shrink: 0;
}

.unlock-error {
    font-size: 0.82rem;
    color: #ef4444;
    margin-top: 12px;
    min-height: 1.2em;
}

/* Shake animation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.shake {
    animation: shake 0.5s ease;
}

/* Private Info Bar (Hero) */
.private-info-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 24px;
    padding: 14px 24px;
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: var(--border-radius-sm);
    animation: fadeInUp 0.5s ease;
}

.private-info-bar span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.private-info-bar i {
    color: #10b981;
}

/* Private Details Grid (About page) */
.private-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 24px 0;
    padding: 20px;
    background: rgba(16, 185, 129, 0.03);
    border: 1px solid rgba(16, 185, 129, 0.1);
    border-radius: var(--border-radius-sm);
    animation: fadeInUp 0.5s ease;
}

.private-detail {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.private-detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.private-detail-label i {
    color: #10b981;
}

.private-detail > span:last-child {
    font-size: 0.9rem;
    color: var(--text-primary);
}

@media (max-width: 480px) {
    .private-details-grid {
        grid-template-columns: 1fr;
    }

    .unlock-dialog {
        padding: 28px 20px;
    }

    .enterprise-badge {
        display: none;
    }

    .private-info-bar {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }
}