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

:root {
    /* Color Palette */
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f25;
    --bg-card: #151530;
    --bg-card-hover: #1a1a3e;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;
    --accent-cyan: #00e5ff;
    --accent-purple: #7c4dff;
    --accent-pink: #ff4081;
    --accent-green: #69f0ae;
    --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    --gradient-accent: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    --gradient-bg: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 120px 0;
    --container-width: 1200px;

    /* Borders & Shadows */
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(0, 229, 255, 0.1);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* Custom cursor for desktop */
@media (hover: hover) and (pointer: fine) {
    .cursor {
        width: 8px;
        height: 8px;
        background: var(--accent-cyan);
        border-radius: 50%;
        position: fixed;
        pointer-events: none;
        z-index: 9999;
        mix-blend-mode: difference;
        transition: transform 0.1s ease;
    }

    .cursor-follower {
        width: 32px;
        height: 32px;
        border: 2px solid var(--accent-purple);
        border-radius: 50%;
        position: fixed;
        pointer-events: none;
        z-index: 9998;
        transition: all 0.15s ease;
        mix-blend-mode: difference;
    }

    a:hover~.cursor,
    button:hover~.cursor {
        transform: scale(1.5);
    }

    a:hover~.cursor-follower,
    button:hover~.cursor-follower {
        transform: scale(1.3);
        background: rgba(124, 77, 255, 0.1);
    }
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 10px;
}

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

/* ========== NAVIGATION ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    background: rgba(10, 10, 26, 0.8);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(10, 10, 26, 0.95);
    border-bottom-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 2px;
    transition: var(--transition-fast);
}

.nav-logo:hover {
    color: var(--accent-cyan);
    transform: scale(1.05);
}

.logo-bracket {
    color: var(--accent-purple);
    font-weight: 500;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--accent-cyan);
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    padding: 10px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-glow);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.3);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 100px 30px 30px;
        transition: 0.4s ease;
        border-left: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }

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

    .hamburger {
        display: flex;
    }

    .nav-cta {
        display: none;
    }
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 60px;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-purple);
    top: -200px;
    right: -200px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-cyan);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-pink);
    top: 50%;
    left: 60%;
    animation-delay: -14s;
}

@keyframes float {

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

    25% {
        transform: translate(50px, -50px) scale(1.1);
    }

    50% {
        transform: translate(-30px, 30px) scale(0.9);
    }

    75% {
        transform: translate(-50px, -30px) scale(1.05);
    }
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.hero-greeting {
    font-size: 1.1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.wave-emoji {
    font-size: 1.8rem;
    animation: wave 2s infinite;
    display: inline-block;
}

@keyframes wave {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(20deg);
    }

    50% {
        transform: rotate(-10deg);
    }

    75% {
        transform: rotate(15deg);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-role {
    font-size: 1.3rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.role-prefix {
    font-weight: 400;
}

.typewriter-wrapper {
    display: inline-flex;
    align-items: center;
}

.typewriter-text {
    font-weight: 600;
    color: var(--accent-cyan);
}

.typewriter-cursor {
    color: var(--accent-cyan);
    font-weight: 300;
    animation: blink 0.8s infinite;
    margin-left: 2px;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-description {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 500px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 229, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-3px);
}

.hero-social {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--accent-purple);
    color: white;
    border-color: var(--accent-purple);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(124, 77, 255, 0.3);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
}

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    overflow: hidden;
    position: relative;
    animation: morphing 8s infinite;
}

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

@keyframes morphing {

    0%,
    100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }

    25% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
    }

    50% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
    }

    75% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
    }
}

.placeholder-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.5;
}

.hero-image-border {
    position: absolute;
    inset: -10px;
    border: 2px solid var(--accent-purple);
    border-radius: inherit;
    animation: morphing 8s infinite;
    opacity: 0.3;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    animation: floatCard 6s infinite ease-in-out;
}

.card-1 {
    top: 10%;
    right: -30px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    left: -40px;
    animation-delay: -3s;
}

@keyframes floatCard {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        align-items: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image-wrapper {
        width: 250px;
        height: 250px;
    }

    .floating-card {
        display: none;
    }
}

/* ========== SECTION STYLES ========== */
.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(124, 77, 255, 0.1);
    color: var(--accent-purple);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 12px;
}

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

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}

/* ========== ABOUT SECTION ========== */
.about {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-image-wrapper {
    position: relative;
    width: 300px;
    height: 350px;
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    overflow: hidden;
}

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

.about-image-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.5;
}

.about-experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-accent);
    color: white;
    border-radius: 16px;
    padding: 15px 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.exp-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.exp-label {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.9;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-heading {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    line-height: 1.4;
}

.about-paragraph {
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.about-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 10px 0;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.detail-item i {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    font-size: 0.95rem;
}

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

.detail-value {
    font-weight: 500;
}

.detail-value.available {
    color: var(--accent-green);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-visual {
        order: -1;
    }

    .about-image-wrapper {
        width: 250px;
        height: 300px;
    }
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.skill-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-icon {
    width: 55px;
    height: 55px;
    background: rgba(124, 77, 255, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-purple);
    margin-bottom: 16px;
    transition: var(--transition-smooth);
}

.skill-card:hover .skill-icon {
    background: var(--accent-purple);
    color: white;
    transform: scale(1.05);
}

.skill-card h4 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.skill-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease;
}

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

/* ========== PROJECTS SECTION ========== */
.projects {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-primary);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

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

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 255, 255, 0.2);
}

.project-image {
    height: 220px;
    position: relative;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.project-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-placeholder i {
    font-size: 2.5rem;
    margin-bottom: 8px;
    opacity: 0.5;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 26, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.overlay-link {
    width: 48px;
    height: 48px;
    background: var(--accent-purple);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.overlay-link:hover {
    background: white;
    color: var(--accent-purple);
    transform: scale(1.1);
}

.project-info {
    padding: 24px;
}

.project-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(124, 77, 255, 0.1);
    color: var(--accent-purple);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 14px;
}

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

.project-tags span {
    padding: 4px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.projects-cta {
    text-align: center;
    margin-top: 50px;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
    align-items: start;
}

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

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition-smooth);
}

.contact-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.contact-card-icon {
    width: 44px;
    height: 44px;
    background: rgba(124, 77, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    font-size: 1.1rem;
    margin-bottom: 14px;
}

.contact-card h4 {
    font-family: var(--font-display);
    margin-bottom: 4px;
}

.contact-card p {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 2px;
}

.contact-card span,
.contact-card a {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
}

.contact-card a:hover {
    color: var(--accent-cyan);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 35px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.1);
}

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

.btn-submit {
    width: 100%;
    justify-content: center;
    font-size: 1rem;
    padding: 16px;
}

.btn-submit .btn-loading,
.btn-submit .btn-success {
    display: none;
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-submit.success .btn-text,
.btn-submit.success .btn-loading {
    display: none;
}

.btn-submit.success .btn-success {
    display: flex;
    align-items: center;
    gap: 8px;
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }

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

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 30px;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
    text-align: center;
}

.footer-logo {
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-social {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-purple);
    color: white;
    border-color: var(--accent-purple);
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--accent-purple);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
    background: var(--accent-cyan);
    transform: translateY(-3px);
}

/* ========== ANIMATIONS ON SCROLL ========== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 480px) {
    :root {
        --section-padding: 80px 0;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        justify-content: center;
    }

    .project-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}

/* ========== EXPERIENCE SECTION (NEW) ========== */
.experience-section {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.experience-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 50px;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-purple), var(--accent-cyan));
    opacity: 0.4;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 30px;
}

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

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    z-index: 2;
    transition: var(--transition-smooth);
}

.timeline-marker.current {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    color: white;
    box-shadow: 0 0 20px rgba(124, 77, 255, 0.3);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.timeline-header h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
}

.timeline-badge {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.current-badge {
    background: rgba(124, 77, 255, 0.15);
    color: var(--accent-purple);
}

.timeline-company {
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-date,
.timeline-location {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 14px 0;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.timeline-tags span {
    padding: 4px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ========== CERTIFICATIONS SECTION (NEW) ========== */
.certifications {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition-smooth);
}

.cert-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.cert-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: rgba(124, 77, 255, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-purple);
}

.cert-info h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.cert-issuer {
    color: var(--accent-cyan);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.cert-date {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 2px;
}

.cert-domain {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* ========== RESPONSIVE UPDATES ========== */
@media (max-width: 768px) {
    .experience-timeline {
        padding-left: 40px;
    }

    .timeline-marker {
        left: -33px;
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

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

@media (max-width: 480px) {
    .experience-timeline {
        padding-left: 30px;
    }

    .timeline-content {
        padding: 20px;
    }

    .timeline-header h3 {
        font-size: 1.2rem;
    }
}