/* ===========================
   CSS CUSTOM PROPERTIES
=========================== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: #16162a;
    --bg-card-hover: #1e1e38;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --accent-primary: #6c5ce7;
    --accent-secondary: #a29bfe;
    --accent-gradient: linear-gradient(
        135deg,
        #6c5ce7 0%,
        #a29bfe 50%,
        #74b9ff 100%
    );
    --accent-gradient-2: linear-gradient(
        135deg,
        #6c5ce7 0%,
        #fd79a8 100%
    );
    --border-color: rgba(108, 92, 231, 0.15);
    --border-hover: rgba(108, 92, 231, 0.4);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary:
        "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", monospace;
    --max-width: 1200px;
    --nav-height: 70px;
}

/* ===========================
   RESET & BASE
=========================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

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

::-webkit-scrollbar {
    width: 8px;
}

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

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

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

/* ===========================
   UTILITY CLASSES
=========================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 50px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* ===========================
   ANIMATED BACKGROUND
=========================== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(
            rgba(108, 92, 231, 0.03) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(108, 92, 231, 0.03) 1px,
            transparent 1px
        );
    background-size: 60px 60px;
}

.bg-glow {
    position: fixed;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(
        circle,
        rgba(108, 92, 231, 0.08) 0%,
        transparent 70%
    );
    z-index: -1;
    pointer-events: none;
    animation: floatGlow 15s ease-in-out infinite;
}

.bg-glow-2 {
    position: fixed;
    bottom: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(
        circle,
        rgba(116, 185, 255, 0.06) 0%,
        transparent 70%
    );
    z-index: -1;
    pointer-events: none;
    animation: floatGlow 20s ease-in-out infinite reverse;
}

@keyframes floatGlow {
    0%,
    100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(30px, -30px);
    }
    66% {
        transform: translate(-20px, 20px);
    }
}

/* ===========================
   NAVIGATION
=========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.nav-logo .dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    margin-left: 2px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: rgba(108, 92, 231, 0.1);
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    gap: 5px;
    padding: 8px;
    transition: var(--transition);
}

.nav-toggle:hover {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.1);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition);
}

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

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

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

/* ===========================
   HERO SECTION
=========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--nav-height);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-secondary);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge .status-dot {
    width: 8px;
    height: 8px;
    background: #00d97e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-title .line {
    display: block;
}

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

.hero-role {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-role .typed-text::after {
    content: "|";
    animation: blink 1s step-end infinite;
    color: var(--accent-primary);
    font-weight: 300;
}

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

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--accent-gradient);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
    color: white;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.1);
    color: white;
    transform: translateY(-2px);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-scroll span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::after {
    content: "";
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% {
        top: 8px;
        opacity: 1;
    }
    100% {
        top: 22px;
        opacity: 0;
    }
}

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

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

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    aspect-ratio: 1;
    max-width: 400px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    margin: 0 auto;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image .placeholder-avatar {
    font-size: 6rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    user-select: none;
}

.about-image::before {
    content: "";
    position: absolute;
    inset: -2px;
    background: var(--accent-gradient);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.about-image:hover::before {
    opacity: 1;
}

.about-decoration {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 100px;
    height: 100px;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    opacity: 0.2;
    z-index: -1;
}

.about-decoration-2 {
    position: absolute;
    bottom: -15px;
    left: -15px;
    width: 80px;
    height: 80px;
    background: var(--accent-gradient-2);
    border-radius: var(--radius-md);
    opacity: 0.1;
    z-index: -1;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text h3 .accent {
    color: var(--accent-secondary);
}

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

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 30px;
}

.about-info-item {
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.about-info-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.about-info-item .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
    font-family: var(--font-mono);
}

.about-info-item .value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.about-social {
    display: flex;
    gap: 12px;
    margin-top: 30px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-secondary);
    background: rgba(108, 92, 231, 0.1);
    transform: translateY(-3px);
}

/* ===========================
   SKILLS SECTION
=========================== */
.skills-section {
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.skill-category-icon {
    width: 48px;
    height: 48px;
    background: rgba(108, 92, 231, 0.12);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.skill-category-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-category-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    position: relative;
}

.skill-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.skill-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.skill-percent {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-secondary);
    font-family: var(--font-mono);
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: rgba(108, 92, 231, 0.1);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.skill-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--accent-gradient);
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skill-bar-fill::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease 1.5s;
    box-shadow: 0 0 10px rgba(108, 92, 231, 0.5);
}

.skill-bar-fill.animated::after {
    opacity: 1;
}

/* ===========================
   EXPERIENCE SECTION
=========================== */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 0;
    left: 15px;
    width: 2px;
    height: 100%;
    background: linear-gradient(
        to bottom,
        var(--accent-primary),
        var(--border-color)
    );
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.timeline-dot {
    position: absolute;
    left: -33px;
    top: 6px;
    width: 18px;
    height: 18px;
    background: var(--bg-primary);
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    z-index: 1;
    transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
    background: var(--accent-primary);
    box-shadow: 0 0 15px rgba(108, 92, 231, 0.5);
}

.timeline-dot.current {
    background: var(--accent-primary);
    animation: pulse 2s ease-in-out infinite;
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.timeline-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateX(5px);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-secondary);
    padding: 4px 12px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 14px;
}

.timeline-role {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.timeline-company {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 4px;
}

.timeline-location {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.timeline-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-roles {
    list-style: none;
    margin-top: 14px;
    padding-left: 0;
}

.timeline-roles li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 12px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-roles li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

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

.role-period {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-right: 6px;
}

.role-detail {
    display: block;
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-top: 2px;
}

/* ===========================
   CONTACT SECTION
=========================== */
.contact-section {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
}

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

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-info > p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-detail:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background: rgba(108, 92, 231, 0.12);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-detail-text .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.contact-detail-text .value {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-top: 2px;
}

/* ===========================
   FOOTER
=========================== */
.footer {
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-content .heart {
    color: var(--accent-primary);
}

.footer-sep {
    color: var(--text-muted);
    opacity: 0.5;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ===========================
   BACK TO TOP
=========================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
}

/* ===========================
   SVG ICONS (inline)
=========================== */
.icon {
    width: 1em;
    height: 1em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    vertical-align: middle;
}

/* ===========================
   REVEAL ANIMATION
=========================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.8s ease,
        transform 0.8s ease;
}

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

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

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

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        padding: 14px 18px;
        font-size: 1rem;
    }

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

    .about-image {
        max-width: 280px;
    }

    .about-info-grid {
        grid-template-columns: 1fr;
    }

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

    .section {
        padding: 70px 0;
    }

    .hero-scroll {
        display: none;
    }
}

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

    .hero-title {
        font-size: 2.2rem;
    }

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

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

    .skill-category {
        padding: 24px;
    }

    .timeline-card {
        padding: 20px;
    }
}