/* ========================================
   SAMEER AHMAD - Professional Portfolio
   Color Scheme: Deep Navy + Electric Cyan + Gold
   ======================================== */

/* --- CSS Variables --- */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1424;
    --bg-card: #141a2e;
    --bg-card-hover: #1a2240;
    --surface: #1c2340;
    --border: rgba(99, 179, 237, 0.12);
    --border-hover: rgba(99, 179, 237, 0.3);

    --text-primary: #e8edf5;
    --text-secondary: #8892a8;
    --text-muted: #5a6480;

    --accent-cyan: #00d4ff;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-gold: #f59e0b;
    --accent-green: #10b981;

    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #3b82f6 50%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #3b82f6 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-card: linear-gradient(145deg, #141a2e 0%, #1a2240 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);

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

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(0, 212, 255, 0.3);
    color: #fff;
}

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

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

ul { list-style: none; }

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
}

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

/* --- Cursor Glow Effect --- */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

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

/* --- Gradient Text --- */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--gradient-accent);
    color: #fff;
    font-family: var(--font-main);
    font-size: 1.4rem;
    font-weight: 800;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.35);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
    animation: logo-shine 3s ease-in-out infinite;
}

@keyframes logo-shine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.nav-logo:hover .logo-icon {
    transform: scale(1.08) rotate(-3deg);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

.logo-text {
    font-family: var(--font-main);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo-highlight {
    color: var(--accent-cyan);
    font-size: 2rem;
    line-height: 0;
}

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

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(0, 212, 255, 0.08);
}

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

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-accent);
    color: #fff;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
    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: 8px;
    padding: 8px 20px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--accent-green);
    margin-bottom: 24px;
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: dot-pulse 1.5s ease-in-out infinite;
}

@keyframes dot-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
    50% { transform: scale(1.2); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-typewriter {
    font-size: clamp(1.3rem, 2.8vw, 1.8rem);
    font-weight: 500;
    margin-bottom: 24px;
    min-height: 40px;
    display: flex;
    align-items: center;
}

.typewriter-prefix {
    color: var(--text-secondary);
}

.typewriter-text {
    color: var(--accent-cyan);
    font-family: var(--font-mono);
}

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

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

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: var(--font-main);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 212, 255, 0.45);
}

.btn-primary i {
    transition: var(--transition);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

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

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.08);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
}

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

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-item {
    text-align: center;
}

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

.stat-plus {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border);
}

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

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

.hero-photo {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    border: 4px solid var(--bg-card);
    box-shadow: var(--shadow-lg);
}

.hero-image-ring {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--accent-cyan);
    border-right-color: var(--accent-blue);
    animation: spin 8s linear infinite;
}

.ring-2 {
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-top-color: var(--accent-purple);
    border-left-color: var(--accent-gold);
    animation: spin-reverse 12s linear infinite;
}

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

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

/* Floating Badges */
.floating-badge {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    z-index: 3;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

.badge-1 {
    top: 10%;
    left: 0;
    color: #3776ab;
    animation-delay: 0s;
}
.badge-2 {
    top: 5%;
    right: 5%;
    color: var(--accent-purple);
    animation-delay: 0.5s;
}
.badge-3 {
    bottom: 10%;
    left: -5%;
    color: var(--accent-gold);
    animation-delay: 1s;
}
.badge-4 {
    bottom: 5%;
    right: 0;
    color: #f7df1e;
    animation-delay: 1.5s;
}

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

/* --- Scroll Indicator --- */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 4px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-anim 1.5s ease-in-out infinite;
}

@keyframes scroll-anim {
    0% { top: 6px; opacity: 1; }
    100% { top: 22px; opacity: 0; }
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.about-subtitle {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.about-text strong {
    color: var(--accent-cyan);
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 28px 0;
}

.about-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.about-info-item i {
    color: var(--accent-cyan);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.info-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    font-size: 1rem;
    font-weight: 600;
}

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

.social-link {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
}

/* About Cards */
.about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-card {
    padding: 28px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

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

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

.about-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-cyan);
    margin-bottom: 16px;
}

.about-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.about-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
    background: var(--bg-secondary);
}

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

.service-card {
    padding: 36px 28px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.service-card.featured {
    border-color: rgba(0, 212, 255, 0.3);
    background: linear-gradient(145deg, rgba(0, 212, 255, 0.05), var(--bg-card));
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-number {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(0, 212, 255, 0.06);
    position: absolute;
    top: 12px;
    right: 20px;
    font-family: var(--font-mono);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-cyan);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-accent);
    color: #fff;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card > p {
    font-size: 1rem;
    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: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.service-features li i {
    color: var(--accent-green);
    font-size: 0.7rem;
}

/* ========================================
   EXPERIENCE SECTION
   ======================================== */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-purple), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 28px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.timeline-marker-inner {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-cyan);
}

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

.timeline-content:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.timeline-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.timeline-badge.current {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.3);
}

.timeline-title {
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.timeline-company {
    font-size: 1.05rem;
    color: var(--accent-cyan);
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-company i {
    font-size: 0.85rem;
}

.timeline-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.timeline-details {
    margin-bottom: 16px;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-cyan);
}

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

.timeline-tags span {
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    font-size: 0.88rem;
    color: var(--accent-cyan);
    font-weight: 500;
}

/* Education Card */
.education-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 1000px;
    margin: 0 auto;
    transition: var(--transition);
}

.education-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.education-icon {
    width: 64px;
    height: 64px;
    min-width: 64px;
    border-radius: var(--radius-md);
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-cyan);
}

.education-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.education-content h4 {
    font-size: 1.05rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

/* Certifications */
.certifications-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.cert-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.cert-card i {
    color: var(--accent-gold);
}

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

.skills-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

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

.skill-category:hover {
    border-color: var(--border-hover);
}

.skill-category-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category-title i {
    color: var(--accent-cyan);
}

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

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 1rem;
}

.skill-bar-header span:first-child {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.skill-bar-header span:first-child i {
    color: var(--accent-cyan);
    width: 18px;
    text-align: center;
}

.skill-bar-header span:last-child {
    color: var(--accent-cyan);
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.skill-bar-track {
    height: 8px;
    background: rgba(0, 212, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.skill-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 12px;
    height: 100%;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    filter: blur(2px);
}

/* ========================================
   PROJECT GALLERY SECTION
   ======================================== */
.projects {
    background: var(--bg-primary);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 1px solid var(--border);
    border-radius: 50px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.filter-btn.active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    position: relative;
    transition: var(--transition);
}

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

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.project-thumb {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-thumb i {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.85);
    z-index: 1;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.project-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.4) 100%);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 220px;
    background: rgba(10, 14, 26, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

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

.project-view-btn {
    padding: 12px 28px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transform: translateY(20px);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.project-view-btn:hover {
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

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

.project-category-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.project-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.project-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Project Modal / Lightbox */
.project-modal {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 26, 0.92);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
    backdrop-filter: blur(8px);
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    overflow: hidden;
    transform: scale(0.85) translateY(30px);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-lg);
}

.project-modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-thumb {
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.modal-thumb i {
    font-size: 4.5rem;
    color: rgba(255, 255, 255, 0.9);
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));
}

.modal-body {
    padding: 28px 32px 32px;
}

.modal-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.modal-body > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.modal-tech h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-tech h4 i {
    color: var(--accent-cyan);
}

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

.tech-tag {
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 50px;
    font-size: 0.82rem;
    color: var(--accent-cyan);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.82rem;
    }

    .modal-body {
        padding: 20px 24px 24px;
    }
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials {
    background: var(--bg-secondary);
    overflow: hidden;
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.testimonials-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
    box-sizing: border-box;
    width: calc(100% / 3);
    flex-shrink: 0;
    padding: 32px;
    margin: 10px 12px;
    width: calc(100% / 3 - 24px);
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.testimonial-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 18px;
}

.testimonial-stars i {
    color: var(--accent-gold);
    font-size: 0.95rem;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 24px;
    flex: 1;
    position: relative;
}

.testimonial-text::before {
    content: '\201C';
    position: absolute;
    top: -20px;
    left: -5px;
    font-size: 4rem;
    color: rgba(0, 212, 255, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
    pointer-events: none;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
}

.testimonial-author h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

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

/* Testimonial Controls */
.testimonials-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.testimonial-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.testimonials-dots {
    display: flex;
    gap: 8px;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-dot.active {
    background: var(--accent-cyan);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
    transform: scale(1.2);
}

.testimonial-dot:hover {
    background: rgba(0, 212, 255, 0.5);
}

@media (max-width: 1024px) {
    .testimonial-card {
        width: calc(100% / 2 - 24px);
    }
}

@media (max-width: 768px) {
    .testimonial-card {
        width: calc(100% - 24px);
    }
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info-card {
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 24px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: var(--radius-md);
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-cyan);
}

.contact-info-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-info-item a,
.contact-info-item p {
    font-size: 1rem;
    color: var(--text-secondary);
}

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

.contact-socials h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 12px;
}

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

.social-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-circle:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1.05rem;
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238892a8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

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

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

.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-socials a:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: #25D366;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    animation: whatsapp-pulse 2s ease-in-out infinite;
    cursor: grab;
    touch-action: none;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-float:active {
    cursor: grabbing;
    animation: none;
}

.whatsapp-float.dragging {
    animation: none;
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.6);
    transform: scale(1.1);
}

.whatsapp-link {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.8rem;
    transition: var(--transition);
}

.whatsapp-link:hover {
    color: #fff;
    transform: scale(1.1);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 14px rgba(37, 211, 102, 0.12); }
}

.whatsapp-tooltip {
    position: absolute;
    right: 74px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
    pointer-events: none;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--bg-card);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.whatsapp-float.dragging .whatsapp-tooltip {
    opacity: 0;
    visibility: hidden;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.45);
}

/* ========================================
   ANIMATIONS (Scroll Reveal)
   ======================================== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .hero-container {
        gap: 40px;
    }

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

    .hero-photo {
        width: 260px;
        height: 260px;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 4px;
        transition: var(--transition);
        border-left: 1px solid var(--border);
        z-index: 999;
    }

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

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

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

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

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

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

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

    .hero-photo {
        width: 230px;
        height: 230px;
    }

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

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

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

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

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

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

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-marker {
        left: -30px;
        width: 24px;
        height: 24px;
    }

    .timeline-marker-inner {
        width: 8px;
        height: 8px;
    }

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

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .stat-divider {
        width: 50px;
        height: 1px;
    }

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

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

    .hero-photo {
        width: 200px;
        height: 200px;
    }

    .floating-badge {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ========================================
   GREEN THEME TOGGLE BUTTON
   ======================================== */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    margin-left: 12px;
}

.theme-toggle:hover {
    background: rgba(16, 185, 129, 0.25);
    border-color: #10b981;
    transform: scale(1.1);
}

.theme-toggle.active {
    background: #10b981;
    color: #fff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

/* ========================================
   GREEN THEME OVERRIDES
   ======================================== */
body.green-theme {
    --accent-cyan: #10b981;
    --accent-blue: #34d399;
    --accent-purple: #059669;
    --gradient-primary: linear-gradient(135deg, #10b981 0%, #34d399 50%, #059669 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --border: rgba(16, 185, 129, 0.12);
    --border-hover: rgba(16, 185, 129, 0.3);
    --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.15);
}

body.green-theme .gradient-text {
    background: linear-gradient(135deg, #10b981, #34d399, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.green-theme .logo-icon {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

body.green-theme .nav-link:hover,
body.green-theme .nav-link.active {
    background: rgba(16, 185, 129, 0.08);
}

body.green-theme .nav-link.active::after {
    background: #10b981;
}

body.green-theme .nav-cta {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

body.green-theme .nav-cta:hover {
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
}

body.green-theme .btn-primary {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

body.green-theme .btn-primary:hover {
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.45);
}

body.green-theme .btn-outline {
    border-color: #10b981;
    color: #10b981;
}

body.green-theme .btn-outline:hover {
    background: rgba(16, 185, 129, 0.1);
}

body.green-theme .hero-badge {
    border-color: rgba(16, 185, 129, 0.2);
}

body.green-theme .badge-dot {
    background: #10b981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

body.green-theme .section-tag {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

body.green-theme .filter-btn.active {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

body.green-theme .project-view-btn {
    background: #10b981;
}

body.green-theme .project-category-tag {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

body.green-theme .tech-tag {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

body.green-theme .project-card:hover {
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.15);
}

body.green-theme .skill-per {
    background: linear-gradient(90deg, #10b981, #34d399) !important;
}

body.green-theme .skill-per::after {
    background: #10b981 !important;
}

body.green-theme .contact-icon {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

body.green-theme .submit-btn {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

body.green-theme .back-to-top {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

body.green-theme .whatsapp-float .whatsapp-link {
    background: #10b981;
}

body.green-theme .service-icon {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

body.green-theme .timeline-dot {
    background: #10b981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

body.green-theme .timeline-line {
    background: linear-gradient(180deg, #10b981, transparent);
}

body.green-theme .logo-highlight {
    color: #10b981;
}