/* ===== Variables ===== */
:root {
    --bg: #f0f4fa;
    --surface: #ffffff;
    --text: #1a2b4a;
    --text-secondary: #5a6b8a;
    --text-muted: #94a3b8;
    --accent: #2563eb;
    --accent-light: #dbeafe;
    --accent-lighter: #eff6ff;
    --accent-dark: #1d4ed8;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    --shadow-sm: 0 1px 3px rgba(37,99,235,0.06);
    --shadow-md: 0 4px 16px rgba(37,99,235,0.08);
    --shadow-lg: 0 8px 32px rgba(37,99,235,0.12);
    --shadow-xl: 0 16px 48px rgba(37,99,235,0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ===== Animated Background ===== */
.bg-animation {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4fa 0%, #e8f0fe 40%, #f5f8fc 70%, #eef2ff 100%);
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    will-change: transform;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, rgba(96,165,250,0.08) 60%, transparent 100%);
    top: -10%;
    right: -5%;
    animation: blobMove1 20s infinite alternate;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(147,197,253,0.2) 0%, rgba(191,219,254,0.1) 60%, transparent 100%);
    bottom: 10%;
    left: -8%;
    animation: blobMove2 25s infinite alternate;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
    top: 40%;
    right: 20%;
    animation: blobMove3 18s infinite alternate;
}

.blob-4 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(199,210,254,0.25) 0%, transparent 70%);
    top: 60%;
    left: 15%;
    animation: blobMove4 22s infinite alternate;
}

.blob-5 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    top: 20%;
    left: 40%;
    animation: blobMove5 16s infinite alternate;
}

@keyframes blobMove1 {
    0%   { transform: translate(0, 0) scale(1); }
    33%  { transform: translate(-60px, 40px) scale(1.1); }
    66%  { transform: translate(30px, -20px) scale(0.95); }
    100% { transform: translate(-40px, 60px) scale(1.05); }
}

@keyframes blobMove2 {
    0%   { transform: translate(0, 0) scale(1); }
    33%  { transform: translate(50px, -30px) scale(1.08); }
    66%  { transform: translate(-20px, 50px) scale(0.92); }
    100% { transform: translate(40px, -40px) scale(1.03); }
}

@keyframes blobMove3 {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(-80px, 30px) scale(1.15); }
    100% { transform: translate(40px, -50px) scale(0.9); }
}

@keyframes blobMove4 {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(60px, -40px) scale(1.1); }
    100% { transform: translate(-30px, 30px) scale(0.95); }
}

@keyframes blobMove5 {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(-50px, -30px) scale(1.2); }
    100% { transform: translate(30px, 50px) scale(0.85); }
}

/* ===== Sakura Canvas ===== */
#sakura-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== Navbar (Transparent → Solid) ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 5%;
    background: transparent;
    z-index: 1000;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    padding: 0.7rem 5%;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226,232,240,0.6);
    box-shadow: 0 2px 20px rgba(37,99,235,0.06);
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.5px;
    transition: all var(--transition);
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.3rem 0;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: all var(--transition);
    transform: translateX(-50%);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(8px);
    transition: all var(--transition);
}

.lang-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-light);
    transform: scale(1.05);
}

.lang-toggle i { font-size: 0.85rem; }

.hire-btn {
    padding: 0.45rem 1.2rem !important;
    font-size: 0.8rem !important;
    border-radius: 20px !important;
    letter-spacing: 0.5px;
}

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.menu-toggle:hover { background: var(--accent-light); }

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }

.primary-btn {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 12px rgba(37,99,235,0.3);
}

.primary-btn:hover {
    background: var(--accent-dark);
    box-shadow: 0 6px 24px rgba(37,99,235,0.4);
}

.outline-btn {
    background: rgba(255,255,255,0.7);
    color: var(--text);
    border: 1.5px solid var(--border);
    backdrop-filter: blur(8px);
}

.outline-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-lighter);
}

/* Ripple Effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    transform: scale(0);
    animation: rippleAnim 0.6s ease-out;
    pointer-events: none;
}

@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}

/* ===== Layout ===== */
.section {
    padding: 100px 5% 80px;
    position: relative;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ===== Hero ===== */
.hero-section {
    padding: 140px 5% 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-text {
    flex: 1;
    max-width: 560px;
}

.hero-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(37,99,235,0.1);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(37,99,235,0.15);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.15;
    margin-bottom: 1.2rem;
    letter-spacing: -1px;
}

.typing-cursor {
    display: inline-block;
    color: var(--accent);
    font-weight: 300;
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

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

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Hero Scroll Hint */
.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1px;
    animation: scrollHintBounce 2s ease-in-out infinite;
}

.hero-scroll-hint i {
    font-size: 0.8rem;
    animation: scrollArrow 2s ease-in-out infinite;
}

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

@keyframes scrollArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

/* Quote Carousel */
.quote-carousel {
    position: relative;
    min-height: 2.5rem;
    margin-bottom: 2rem;
}

.quote-item {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent);
    padding-left: 0.8rem;
    margin: 0;
    transform: translateY(8px);
}

.quote-item.active {
    opacity: 1;
    visibility: visible;
    position: relative;
    transform: translateY(0);
}

/* Hero Image Wrapper & Carousel */
.hero-image-wrapper {
    width: 380px;
    height: 460px;
    flex-shrink: 0;
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    border: 2px solid rgba(37,99,235,0.12);
    pointer-events: none;
    z-index: 2;
}

.hero-image-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease;
}

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

.hero-carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.8);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.dot.active {
    background: #fff;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255,255,255,0.6);
}

.hero-glow {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 40px;
    background: radial-gradient(ellipse, rgba(37,99,235,0.2) 0%, transparent 70%);
    filter: blur(15px);
    pointer-events: none;
}

/* Float Animation */
.float-animation {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ===== Project Filters ===== */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.45rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(8px);
    transition: all var(--transition);
}

.filter-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(37,99,235,0.25);
    transform: translateY(-1px);
}

/* ===== Project Grid (Bento) ===== */
.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226,232,240,0.6);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(37,99,235,0.03) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
    z-index: 1;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37,99,235,0.15);
}

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

.project-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.project-card.featured .card-image { height: 320px; }

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

.card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .card-image img {
    transform: scale(1.08);
}

.card-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 0.25rem 0.7rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    color: var(--accent);
    transition: transform var(--transition);
}

.project-card:hover .card-tag { transform: scale(1.05); }

.tag-game { color: #7c3aed; }
.tag-web { color: #2563eb; }
.tag-desktop { color: #059669; }
.tag-video { color: #d97706; }

.card-body {
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    position: relative;
    z-index: 2;
}

.card-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.4rem;
    transition: color var(--transition);
}

.project-card:hover .card-body h3 { color: var(--accent); }

.card-body p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 0.8rem;
}

.card-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    transition: all var(--transition);
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.card-link:hover {
    color: var(--accent-dark);
    transform: translateX(2px);
}

.card-link i { font-size: 0.85rem; }

/* ===== About Section ===== */
.about-section {
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(6px);
}

.about-grid {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 3rem;
}

/* Tilt Card Effect */
.tilt-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--accent-light), #f0f5ff);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.tilt-card:hover {
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-tags {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.about-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.9rem;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all var(--transition);
}

.about-tag:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

.about-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 1.2rem;
}

.about-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.8rem;
}

.about-quote {
    margin-top: 1.5rem;
    padding: 1rem 1.2rem;
    background: var(--accent-lighter);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent);
}

/* ===== About Bottom Row ===== */
.about-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.skills-card,
.cta-card {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(226,232,240,0.6);
    transition: all 0.4s ease;
}

.skills-card:hover,
.cta-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(37,99,235,0.15);
}

.skills-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skills-card h3 i { color: var(--accent); }

.skill-bar-item {
    margin-bottom: 1.2rem;
}

.skill-bar-item:last-child { margin-bottom: 0; }

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.skill-bar-header i {
    margin-right: 0.3rem;
    color: var(--accent);
    font-size: 0.8rem;
}

.skill-level {
    font-weight: 700;
    color: var(--accent);
    font-size: 0.8rem;
}

.skill-bar {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #60a5fa);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Tech Icons */
.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border);
}

.tech-icons img {
    width: 32px;
    height: 32px;
    transition: all var(--transition);
    filter: grayscale(0.3) opacity(0.8);
}

.tech-icons img:hover {
    transform: scale(1.25) translateY(-3px);
    filter: grayscale(0) opacity(1);
}

/* CTA Card */
.cta-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.8rem;
}

.cta-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 0.4rem;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0.2); }
    50% { box-shadow: 0 0 0 12px rgba(37,99,235,0); }
}

.cta-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
}

.cta-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 280px;
}

/* ===== Timeline ===== */
.timeline-section {
    max-width: 700px;
    margin: 0 auto;
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.timeline-title i { color: var(--accent); }

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-light), transparent);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    transition: all var(--transition);
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-item:hover {
    transform: translateX(4px);
}

.timeline-dot {
    position: absolute;
    left: -1.57rem;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--surface);
    border: 3px solid var(--accent);
    z-index: 1;
    transition: all var(--transition);
}

.timeline-item:hover .timeline-dot {
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(37,99,235,0.15);
}

.timeline-date {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.2rem;
    letter-spacing: 0.5px;
}

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

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 2rem;
}

.contact-info-card {
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226,232,240,0.6);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s ease;
}

.contact-info-card:hover {
    box-shadow: var(--shadow-lg);
}

.contact-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 3px solid var(--accent-light);
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.contact-avatar:hover {
    border-color: var(--accent);
    transform: scale(1.05);
}

.contact-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-info-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.3rem;
}

.contact-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    background: var(--accent-lighter);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.contact-method:hover {
    background: var(--accent-light);
    transform: translateX(4px);
}

.contact-method i {
    color: var(--accent);
    width: 16px;
    text-align: center;
}

.contact-socials {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
}

.contact-socials a,
.contact-socials button {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition);
    background: none;
    cursor: pointer;
}

.contact-socials a:hover,
.contact-socials button:hover {
    color: #fff;
    border-color: var(--accent);
    background: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

/* Contact Form */
.contact-form-card {
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226,232,240,0.6);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all 0.4s ease;
}

.contact-form-card:hover {
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text);
    background: rgba(255,255,255,0.6);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
    background: #fff;
}

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

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

.submit-btn {
    width: 100%;
    justify-content: center;
    padding: 0.8rem !important;
    font-size: 0.9rem !important;
    letter-spacing: 0.5px;
}

.form-status {
    text-align: center;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    font-weight: 500;
    min-height: 1.2em;
}

.form-status.success { color: #059669; }
.form-status.error { color: #dc2626; }

/* ===== Popups ===== */
.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26,43,74,0.5);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    position: relative;
    max-width: 90%;
    width: 400px;
    box-shadow: var(--shadow-xl);
    transform: scale(0.92) translateY(20px);
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.popup-overlay.active .popup-content {
    transform: scale(1) translateY(0);
}

.popup-content h3 {
    color: var(--text);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.close-btn {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.4rem;
    color: var(--text-muted);
    transition: all var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
}

.close-btn:hover {
    color: var(--text);
    background: var(--accent-lighter);
    transform: rotate(90deg);
}

.qr-image {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.detail-popup {
    max-width: 700px;
    width: 92%;
    text-align: left;
}

.detail-image {
    width: 100%;
    max-height: 380px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1.2rem;
}

.detail-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.6rem;
}

.detail-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}

/* ===== Footer (Subtle) ===== */
.footer {
    padding: 2rem 5% 1.5rem;
    background: transparent;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

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

.footer-brand {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.7;
    transition: opacity var(--transition);
}

.footer-brand:hover {
    opacity: 1;
}

.footer-socials {
    display: flex;
    gap: 0.8rem;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 1rem;
    transition: all var(--transition);
    opacity: 0.6;
}

.footer-socials a:hover {
    color: var(--accent);
    opacity: 1;
    transform: translateY(-2px);
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.6;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

/* Stagger delays */
.reveal.stagger-1 { transition-delay: 0.05s; }
.reveal.stagger-2 { transition-delay: 0.1s; }
.reveal.stagger-3 { transition-delay: 0.15s; }
.reveal.stagger-4 { transition-delay: 0.2s; }
.reveal.stagger-5 { transition-delay: 0.25s; }
.reveal.stagger-6 { transition-delay: 0.3s; }
.reveal.stagger-7 { transition-delay: 0.35s; }
.reveal.stagger-8 { transition-delay: 0.4s; }

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 2.5rem;
    }

    .hero-text { max-width: 100%; }

    .hero-image-wrapper {
        width: 280px;
        height: 340px;
        order: -1;
        margin: 0 auto;
    }

    .hero-actions { justify-content: center; }
    .hero-title { font-size: 2.4rem; }

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

    .project-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }

    .project-card.featured .card-image { height: 220px; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-image {
        max-width: 360px;
        margin: 0 auto;
    }

    .about-content { text-align: center; }
    .about-tags { justify-content: center; }
    .about-bottom { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-info-card { order: -1; }

    .blob { opacity: 0.35; }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .hire-btn { display: none !important; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(20px);
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        transition: right var(--transition);
        box-shadow: var(--shadow-xl);
        border-left: 1px solid var(--border);
        z-index: 1001;
    }

    .nav-links.active { right: 0; }
    .nav-links a { font-size: 1.1rem; }

    .hero-section { padding-top: 120px; }
    .hero-title { font-size: 2rem; }

    .hero-image-wrapper {
        width: 220px;
        height: 280px;
    }

    .hero-carousel-dots {
        bottom: 10px;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

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

    .hero-scroll-hint { display: none; }

    .project-grid { grid-template-columns: 1fr; }
    .project-card.featured { grid-column: span 1; }
    .project-card.featured .card-image { height: 200px; }

    .section { padding: 70px 5% 60px; }
    .section-title { font-size: 1.8rem; }
    .about-title { font-size: 1.8rem; }
    .form-row { grid-template-columns: 1fr; }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .contact-form-card { padding: 1.5rem; }

    .blob-3, .blob-4, .blob-5 { display: none; }
}