/* ===================================================
   PREMIUM PORTFOLIO - STYLE.CSS
   Dark Mode • Glassmorphism • Smooth Animations
   =================================================== */

/* --- CSS Variables --- */
:root {
    --bg-primary: #030712;
    --bg-secondary: #0d1117;
    --bg-card: rgba(15, 23, 42, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-purple: #a855f7;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;
    --gradient-main: linear-gradient(135deg, #a855f7, #3b82f6);
    --gradient-warm: linear-gradient(135deg, #ec4899, #a855f7);
    --gradient-cool: linear-gradient(135deg, #3b82f6, #06b6d4);

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(168, 85, 247, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(168, 85, 247, 0.2);
    --shadow-glow-blue: 0 0 40px rgba(59, 130, 246, 0.2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --font-main: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
body.light-mode {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(0, 0, 0, 0.03);
    --bg-glass-hover: rgba(0, 0, 0, 0.05);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-accent: rgba(168, 85, 247, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

/* --- Animated Particles Background --- */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-main);
    z-index: 9999;
    transition: width 0.1s linear;
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* --- Loading Screen --- */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader-inner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--accent-purple);
    border-right-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loader-text {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- Utility Classes --- */
.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight-text {
    color: var(--accent-purple);
    font-style: italic;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

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

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(168, 85, 247, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-accent);
}

.btn-outline:hover {
    background: var(--bg-glass-hover);
    border-color: var(--accent-purple);
    transform: translateY(-2px);
}

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

.btn-ghost:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-purple);
    margin-bottom: 12px;
    padding: 6px 16px;
    background: rgba(168, 85, 247, 0.1);
    border-radius: var(--radius-full);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 16px auto 0;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-main);
    border-radius: var(--radius-full);
    margin: 0 auto;
}

/* ===========================
   NAVBAR
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
}

body.light-mode .navbar.scrolled {
    background: rgba(248, 250, 252, 0.9);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.logo-icon {
    font-size: 1.3rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    background: var(--gradient-main);
    border-radius: var(--radius-full);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: var(--border-accent);
}

.nav-cta {
    display: flex;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(3, 7, 18, 0.97);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
}

body.light-mode .mobile-menu {
    background: rgba(248, 250, 252, 0.97);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-link {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 12px 32px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: block;
}

.mobile-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.mobile-cta {
    margin-top: 24px;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, transparent 70%);
    pointer-events: none;
    animation: pulseGlow 6s ease-in-out infinite alternate;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
    animation: pulseGlow 8s ease-in-out infinite alternate-reverse;
}

@keyframes pulseGlow {
    from {
        opacity: 0.4;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1.05);
    }
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 60px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-purple);
    font-weight: 500;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
    }

    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 600;
    margin-bottom: 20px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
}

.hero-socials {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-accent);
    color: var(--accent-purple);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

.hero-card-wrapper {
    position: relative;
    width: 380px;
    height: 380px;
}

.hero-avatar-ring {
    position: absolute;
    inset: -16px;
    border-radius: 50%;
    background: var(--gradient-main);
    opacity: 0.2;
    animation: rotateRing 8s linear infinite;
}

@keyframes rotateRing {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.hero-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(168, 85, 247, 0.3);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

/* Floating Tech Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    z-index: 2;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}

.floating-badge img {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    object-fit: contain;
}

.badge-react {
    top: 0%;
    left: -20%;
    animation: floatBadge 4s ease-in-out infinite;
}

.badge-node {
    top: 20%;
    right: -20%;
    animation: floatBadge 5s ease-in-out infinite 0.5s;
}

.badge-ts {
    bottom: 15%;
    left: -15%;
    animation: floatBadge 4.5s ease-in-out infinite 1s;
}

.badge-mongo {
    bottom: 5%;
    right: -15%;
    animation: floatBadge 5.5s ease-in-out infinite 1.5s;
}

@keyframes floatBadge {

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

    50% {
        transform: translateY(-8px);
    }
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.5;
    animation: fadeInUp 1s ease 1.5s both;
}

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

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    margin-top: 6px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% {
        transform: translateY(0);
        opacity: 1;
    }

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

.hero-scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }

    to {
        opacity: 0.5;
        transform: translateX(-50%) translateY(0);
    }
}

/* ===========================
   STATS STRIP
   =========================== */
.stats-strip {
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.stats-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.stat-item {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 16px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-purple);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--border-subtle);
}

/* ===========================
   ABOUT SECTION
   =========================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: visible;
}

.about-img {
    width: 100%;
    border-radius: var(--radius-xl);
    aspect-ratio: 4/5;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-subtle);
}

.about-img-decoration {
    position: absolute;
    top: -16px;
    left: -16px;
    right: 16px;
    bottom: -16px;
    border: 2px solid var(--border-accent);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.4;
}

.about-exp-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-main);
    color: white;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    font-weight: 700;
}

.exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    line-height: 1;
}

.exp-label {
    font-size: 0.75rem;
    opacity: 0.9;
}

.about-subtitle {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 16px;
}

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

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 28px 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 10px 14px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
}

.highlight-item:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

.highlight-item i {
    color: var(--accent-purple);
    width: 16px;
    font-size: 0.85rem;
}

.about-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ===========================
   SKILLS SECTION
   =========================== */
.skills-section {
    background: rgba(255, 255, 255, 0.01);
}

.skills-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 24px;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.filter-btn.active {
    background: var(--gradient-main);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.skill-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: var(--transition);
    cursor: default;
}

.skill-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    background: var(--bg-glass-hover);
}

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

.skill-icon {
    font-size: 1.8rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
}

.skill-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

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

.skill-progress {
    height: 100%;
    background: var(--gradient-main);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-percent {
    font-size: 0.8rem;
    color: var(--accent-purple);
    font-weight: 600;
    align-self: flex-end;
}

/* ===========================
   PROJECTS SECTION
   =========================== */
.projects-section {
    background: rgba(255, 255, 255, 0.01);
}

/* Featured Project */
.featured-project {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 48px;
    box-shadow: var(--shadow-glow);
    overflow: hidden;
}

.featured-project::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.featured-project-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--gradient-main);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 28px;
}

.featured-project-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}

.featured-img-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/10;
    box-shadow: var(--shadow-lg);
}

.featured-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.featured-img-wrapper:hover img {
    transform: scale(1.04);
}

.featured-overlay {
    position: absolute;
    inset: 0;
    background: rgba(3, 7, 18, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.featured-img-wrapper:hover .featured-overlay {
    opacity: 1;
}

.overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: white;
    color: #030712;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.overlay-btn:hover {
    transform: scale(1.05);
}

.project-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-purple);
    margin-bottom: 10px;
}

.featured-project-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.featured-project-url {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

.featured-project-url a {
    color: var(--accent-blue);
    transition: var(--transition);
}

.featured-project-url a:hover {
    color: var(--accent-purple);
    text-decoration: underline;
}

.featured-project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.featured-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.tech-tag {
    padding: 5px 14px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-purple);
    transition: var(--transition);
}

.tech-tag:hover {
    background: rgba(168, 85, 247, 0.2);
}

.tech-tag-sm {
    padding: 3px 10px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.featured-project-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Regular Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.project-card-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-card-image img {
    transform: scale(1.06);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(3, 7, 18, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition);
}

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

.overlay-icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    color: #030712;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
}

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

.project-card-body {
    padding: 24px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-link {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

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

/* Coming Soon Card */
.coming-soon-card {
    background: var(--bg-glass);
    border: 1px dashed var(--border-accent);
}

.coming-soon-inner {
    height: 100%;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px 24px;
    gap: 12px;
}

.coming-soon-icon {
    font-size: 2.5rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.coming-soon-inner h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
}

.coming-soon-inner p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.coming-soon-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ===========================
   PROJECT ITEMS (image-free grid)
   =========================== */
.project-items-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 20px;
}

.project-item {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 32px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: var(--transition);
    overflow: hidden;
}

/* subtle top-border glow on hover */
.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.project-item:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.12);
}

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

/* ---- top row: icon + category ---- */
.project-item-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.project-item-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(168, 85, 247, 0.3);
}

.project-item-icon--warm {
    background: var(--gradient-warm);
    box-shadow: 0 4px 14px rgba(236, 72, 153, 0.3);
}

.project-item-icon--cool {
    background: var(--gradient-cool);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.project-item-category {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent-purple);
}

/* ---- title ---- */
.project-item-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0;
}

/* ---- description ---- */
.project-item-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    flex: 1;
}

/* ---- URL display ---- */
.project-item-url {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    color: var(--accent-blue);
    word-break: break-all;
}

.project-item-url i {
    flex-shrink: 0;
    font-size: 0.75rem;
    opacity: 0.8;
}

/* ---- footer: buttons ---- */
.project-item-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
}

.project-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 20px;
    background: var(--gradient-main);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(168, 85, 247, 0.3);
    white-space: nowrap;
}

.project-view-btn i {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.project-view-btn:hover {
    opacity: 0.88;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(168, 85, 247, 0.45);
}

.project-view-btn:hover i {
    transform: translateX(3px);
}

.project-gh-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--bg-glass);
    border: 1.5px solid var(--border-accent);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    flex-shrink: 0;
}

.project-gh-btn:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: var(--accent-purple);
    transform: translateY(-2px);
}

/* ---- responsive ---- */
@media (max-width: 1024px) {
    .project-items-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }
}

@media (max-width: 600px) {
    .project-items-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .project-item {
        padding: 24px 20px 20px;
    }

    .project-item-title {
        font-size: 1.1rem;
    }

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

/* ===========================
   EXPERIENCE TIMELINE
   =========================== */
.experience-section {
    background: rgba(255, 255, 255, 0.01);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

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

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 40px);
    margin-bottom: 48px;
    position: relative;
}

.timeline-item.right {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 40px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 24px;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--gradient-main);
    border: 2px solid var(--bg-primary);
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.2);
}

.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 380px;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.timeline-date {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-purple);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.timeline-company {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.timeline-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.timeline-tags span {
    padding: 3px 10px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent-purple);
    font-weight: 500;
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.service-icon-wrapper {
    width: 52px;
    height: 52px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-purple);
    transition: var(--transition);
}

.service-card:hover .service-icon-wrapper {
    background: var(--gradient-main);
    color: white;
    border-color: transparent;
}

.service-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--border-subtle);
    opacity: 0.4;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.service-features li i {
    color: var(--accent-purple);
    font-size: 0.75rem;
    width: 14px;
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */
.testimonials-section {
    background: rgba(255, 255, 255, 0.01);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 32px;
    transition: var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    right: 24px;
    font-family: var(--font-heading);
    font-size: 5rem;
    line-height: 1;
    color: var(--accent-purple);
    opacity: 0.1;
    pointer-events: none;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    color: #f59e0b;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

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

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

/* ===========================
   CONTACT SECTION
   =========================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: var(--border-accent);
    transform: translateX(4px);
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2px;
}

.contact-info-card a {
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition);
}

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

.contact-availability {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 12px 16px;
    background: rgba(34, 197, 94, 0.05);
    border: 1px solid rgba(34, 197, 94, 0.15);
    border-radius: var(--radius-lg);
}

.availability-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    flex-shrink: 0;
    animation: blink 2s infinite;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 36px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: var(--bg-glass);
    border: 1.5px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.9rem;
    transition: var(--transition);
    resize: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: var(--bg-glass-hover);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.form-group textarea {
    min-height: 130px;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 60px 0 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 280px;
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.footer-social {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-social:hover {
    background: var(--gradient-main);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.footer-links-group h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links-group ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-group a {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links-group a:hover {
    color: var(--accent-purple);
    transform: translateX(4px);
    display: inline-block;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    flex-wrap: wrap;
    gap: 8px;
}

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

.heart {
    color: #ef4444;
}

/* ===========================
   BACK TO TOP
   =========================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-main);
    border: none;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.4);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(168, 85, 247, 0.6);
}

/* ===========================
   TOAST NOTIFICATION
   =========================== */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    transition: var(--transition-slow);
    opacity: 0;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast i {
    color: #22c55e;
    font-size: 1.1rem;
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

/* Tablets: 1024px */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
    }

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

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-socials {
        justify-content: center;
    }

    .badge-react {
        top: -5%;
        left: -5%;
    }

    .badge-node {
        top: 10%;
        right: -5%;
    }

    .badge-ts {
        bottom: 10%;
        left: -5%;
    }

    .badge-mongo {
        bottom: -5%;
        right: -5%;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image-col {
        max-width: 400px;
        margin: 0 auto;
    }

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

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

    .timeline-item {
        padding-right: 0;
        padding-left: 60px;
        justify-content: flex-start;
    }

    .timeline-item.right {
        padding-left: 60px;
    }

    .timeline-dot {
        left: 20px;
    }

    .timeline-content {
        max-width: 100%;
    }

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

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

/* Tablet Portrait: 768px */
@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        letter-spacing: -0.5px;
    }

    .hero-card-wrapper {
        width: 240px;
        height: 240px;
    }

    .stats-container {
        gap: 0;
    }

    .stat-divider {
        height: 40px;
    }

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

    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }

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

    .featured-project {
        padding: 24px;
    }

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

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

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

    .contact-form {
        padding: 24px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

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

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

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .nav-container {
        padding: 0 16px;
    }

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

    .hero-actions .btn {
        justify-content: center;
    }

    .hero-card-wrapper {
        width: 200px;
        height: 200px;
    }

    .hero-description {
        font-size: 1rem;
    }

    .floating-badge {
        display: none;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-divider {
        display: none;
    }

    .stats-container {
        gap: 0;
        flex-direction: column;
    }

    .stat-item {
        min-width: 100px;
        padding: 12px;
    }

    .about-img-decoration {
        display: none;
    }

    .about-exp-badge {
        bottom: 10px;
        right: 10px;
        padding: 12px 16px;
    }

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

    .about-actions {
        flex-direction: column;
    }

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

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

    .featured-project {
        padding: 16px;
    }

    .featured-project-grid {
        gap: 24px;
    }

    .featured-project-title {
        font-size: 1.5rem;
    }

    .featured-project-desc {
        font-size: 0.875rem;
    }

    .featured-project-actions {
        flex-direction: column;
    }

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

    .project-card-body {
        padding: 16px;
    }

    .service-card {
        padding: 20px;
    }

    .testimonial-card {
        padding: 20px;
    }

    .contact-info-card {
        padding: 14px 16px;
    }

    .contact-form {
        padding: 20px;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        /* Prevents zoom on iOS */
    }

    .timeline-item {
        padding-left: 48px;
    }

    .timeline-item.right {
        padding-left: 48px;
    }

    .timeline-content {
        padding: 20px;
    }

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

    .footer-brand {
        order: 0;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

/* AOS custom animations */
[data-aos] {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1) !important;
}


/* ===========================
   EXTRA MOBILE IMPROVEMENTS
   =========================== */

/* Touch-friendly tap targets */
@media (max-width: 768px) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .social-link,
    .footer-social,
    .theme-toggle {
        min-width: 44px;
        min-height: 44px;
    }

    /* Better touch spacing for nav */
    .mobile-link {
        padding: 16px 32px;
        min-height: 48px;
    }

    /* Improved readability */
    body {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }

    /* Smooth touch scrolling */
    * {
        -webkit-tap-highlight-color: rgba(168, 85, 247, 0.1);
    }

    /* Better touch for form inputs */
    .form-group input,
    .form-group textarea,
    .filter-btn {
        min-height: 44px;
    }

    /* Improve featured project spacing */
    .featured-project-badge {
        font-size: 0.75rem;
        padding: 5px 12px;
    }

    .featured-tech-stack {
        gap: 6px;
    }

    .tech-tag {
        font-size: 0.75rem;
        padding: 4px 10px;
    }

    /* Better project cards on mobile */
    .project-card {
        margin-bottom: 16px;
    }

    /* Timeline improvements */
    .timeline::before {
        left: 12px;
    }

    .timeline-dot {
        left: 12px;
        width: 12px;
        height: 12px;
    }

    .timeline-item,
    .timeline-item.right {
        padding-left: 40px;
    }

    /* Stat items stack better */
    .stats-strip {
        padding: 24px 16px;
    }

    /* Service features better spacing */
    .service-features li {
        font-size: 0.8rem;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .featured-project-title {
        font-size: 1.3rem;
    }

    .btn {
        font-size: 0.85rem;
        padding: 10px 20px;
    }

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

/* Landscape mode on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .hero-card-wrapper {
        width: 180px;
        height: 180px;
    }

    .section {
        padding: 48px 0;
    }
}


/* =====================================================
   MOBILE OVERFLOW FIX — prevent horizontal scrolling
   ===================================================== */

/* 1. Root-level containment — catches anything missed by per-section fixes */
html {
    overflow-x: hidden;
    max-width: 100%;
}

/* body already has overflow-x:hidden, reinforce with width clamp */
body {
    max-width: 100vw;
}

/* 2. Every section and the main containers must not bleed */
.section,
.hero,
.stats-strip,
.footer {
    overflow-x: hidden;
    max-width: 100%;
}

/* 3. All direct grid/flex wrappers must stay within viewport */
.container,
.hero-container,
.nav-container,
.footer-container,
.stats-container {
    max-width: 100%;
    box-sizing: border-box;
}

/* 4. Images & media can never exceed their container */
img,
video,
iframe,
svg {
    max-width: 100%;
    height: auto;
}

/* =====================================================
   MOBILE — 480px and below
   ===================================================== */
@media (max-width: 480px) {

    /* Hero container padding — was 60px top/bottom which pushes content */
    .hero-container {
        padding: 40px 16px;
        gap: 32px;
    }

    /* Hero actions — prevent buttons overflowing */
    .hero-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

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

    /* Hero socials row — wrap if icons too wide */
    .hero-socials {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    /* Stats: remove min-width so items stack cleanly */
    .stat-item {
        min-width: 0;
        width: 100%;
    }

    /* Skills grid — single column on small phones */
    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    /* Project cards grid — single column */
    .project-items-grid {
        grid-template-columns: 1fr;
    }

    /* Project footer buttons — wrap if both don't fit */
    .project-item-footer {
        flex-wrap: wrap;
    }

    .project-view-btn {
        flex: 1;
        justify-content: center;
        min-width: 0;
    }

    /* Services grid — single column */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Testimonials grid — single column */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    /* Contact info cards — disable translateX hover (can bleed on narrow screens) */
    .contact-info-card {
        transform: none !important;
    }

    /* Contact form padding */
    .contact-form {
        padding: 20px 16px;
    }

    /* Form row — already 1 col at 768, reinforce */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer contact list — long emails/URLs must wrap */
    .footer-links-group a,
    .footer-links-group li {
        word-break: break-word;
        overflow-wrap: break-word;
    }

    /* Footer top — single column */
    .footer-top {
        grid-template-columns: 1fr;
    }

    /* Section header padding */
    .section-header {
        margin-bottom: 40px;
    }

    /* Timeline — tighter on mobile */
    .timeline-content {
        padding: 16px;
    }

    .timeline-date {
        font-size: 0.75rem;
    }

    /* Toast — keep within screen */
    .toast {
        width: calc(100% - 32px);
        left: 16px;
        transform: translateY(80px);
        border-radius: var(--radius-lg);
    }

    .toast.show {
        transform: translateY(0);
    }
}

/* =====================================================
   MOBILE — 360px and below (small Android phones)
   ===================================================== */
@media (max-width: 360px) {

    .container,
    .hero-container,
    .footer-container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .project-item {
        padding: 20px 14px 16px;
    }

    .project-view-btn {
        font-size: 0.78rem;
        padding: 8px 14px;
    }

    .btn-lg {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    /* Nav logo text — hide on very tiny screens to prevent overflow */
    .logo-text {
        display: none;
    }

    .section-label {
        font-size: 0.7rem;
        letter-spacing: 2px;
    }

    .contact-info-card a {
        font-size: 0.8rem;
        word-break: break-all;
    }
}