/* ========================================
   CSS VARIABLES & DESIGN TOKENS
   ======================================== */
:root {
    /* Primary Purple Palette */
    --purple-50: #f5f0ff;
    --purple-100: #ede5ff;
    --purple-200: #dccfff;
    --purple-300: #c3a8ff;
    --purple-400: #a172ff;
    --purple-500: #8b5cf6;
    --purple-600: #7c3aed;
    --purple-700: #6d28d9;
    --purple-800: #5b21b6;
    --purple-900: #4c1d95;
    --purple-950: #2e1065;

    /* Accent Colors */
    --accent-cyan: #06d6a0;
    --accent-pink: #f72585;
    --accent-blue: #4cc9f0;

    /* Background Colors */
    --bg-primary: #0a0a12;
    --bg-secondary: #0f0f1a;
    --bg-tertiary: #151525;
    --bg-card: rgba(20, 20, 40, 0.6);
    --bg-card-hover: rgba(30, 30, 55, 0.8);
    --bg-glass: rgba(15, 15, 30, 0.7);

    /* Text Colors */
    --text-primary: #f0eef6;
    --text-secondary: #a8a3b8;
    --text-tertiary: #6b6580;
    --text-accent: var(--purple-400);

    /* Borders */
    --border-subtle: rgba(139, 92, 246, 0.1);
    --border-card: rgba(139, 92, 246, 0.15);
    --border-hover: rgba(139, 92, 246, 0.35);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--purple-600), var(--purple-400));
    --gradient-hero: linear-gradient(135deg, var(--purple-900) 0%, var(--bg-primary) 50%, #1a0a2e 100%);
    --gradient-glow: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    --gradient-card: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(76, 29, 149, 0.05));

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.2);
    --shadow-glow-lg: 0 0 60px rgba(139, 92, 246, 0.3);

    /* Typography */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;
    --container-padding: 0 24px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

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

body {
    font-family: var(--font-secondary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--purple-600);
    color: white;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ========================================
   CURSOR GLOW EFFECT
   ======================================== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ========================================
   PARTICLES CANVAS
   ======================================== */
#particlesCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    background: rgba(10, 10, 18, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: 12px 40px;
    background: rgba(10, 10, 18, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-bracket {
    color: var(--purple-400);
}

.logo-dot {
    color: var(--accent-cyan);
}

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

.nav-link {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    position: relative;
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(139, 92, 246, 0.1);
}

.nav-link.active {
    color: var(--purple-400);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

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

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

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

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 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-smooth);
}

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

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.mobile-link {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.mobile-link:hover {
    color: var(--purple-400);
    transform: scale(1.05);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
}

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

.btn-outline:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--purple-400);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

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

.btn-nav {
    padding: 10px 24px;
    font-size: 0.85rem;
}

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

/* ========================================
   SECTION HEADERS
   ======================================== */
.section {
    position: relative;
    padding: var(--section-padding);
    z-index: 2;
}

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

.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--purple-400);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 16px;
    padding: 8px 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-full);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 40px 60px;
    position: relative;
    z-index: 2;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(76, 29, 149, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 80px;
    max-width: var(--container-max);
    width: 100%;
    margin: 0 auto;
}

.hero-text {
    flex: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-cyan);
    padding: 8px 20px;
    background: rgba(6, 214, 160, 0.08);
    border: 1px solid rgba(6, 214, 160, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
}

.hero-greeting {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-name {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1;
}

.hero-role {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 32px;
    line-height: 1.8;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-plus {
    font-family: var(--font-primary);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--purple-400);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* Hero Image */
.hero-image {
    flex: 0 0 420px;
}

.hero-image-wrapper {
    position: relative;
    width: 380px;
    height: 460px;
}

.hero-image-glow {
    position: absolute;
    inset: -40px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    z-index: -1;
    animation: float-glow 6s ease-in-out infinite;
}

@keyframes float-glow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 1; }
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 2px solid var(--border-card);
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 1;
}

.hero-photo-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.03), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(50%); }
}

/* Floating Cards */
.hero-floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    z-index: 5;
}

.hero-floating-card svg {
    color: var(--purple-400);
}

.card-1 {
    bottom: 60px;
    right: -90px;
    animation: float-card 5s ease-in-out infinite;
}

.card-2 {
    bottom: 60px;
    left: -90px;
    animation: float-card 5s ease-in-out infinite 1s;
}

.card-3 {
    bottom: -40px;
    right: -40px;
    animation: float-card 5s ease-in-out infinite 2s;
}

.card-4 {
    bottom: -40px;
    left: -40px;
    animation: float-card 5s ease-in-out infinite 3s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Scroll Indicator */
.hero-scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 40px;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    animation: fade-in-up 1s ease 1.5s both;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--border-hover);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--purple-400);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-anim 2s infinite;
}

@keyframes scroll-anim {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

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

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--purple-800), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 60px;
    align-items: start;
}

.about-images-bento {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 240px 180px 180px;
    gap: 16px;
    position: relative;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--gradient-card);
    border: 2px solid var(--border-card);
    border-radius: var(--radius-xl);
    display: block;
}

.bento-main {
    grid-column: 1 / -1;
}

.bento-sub-wide {
    grid-column: 1 / -1;
}


.about-experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 110px;
    height: 110px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.exp-number {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 900;
    color: white;
    line-height: 1;
}

.exp-text {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.8);
    text-align: center;
    line-height: 1.2;
}

.about-subtitle {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.4;
}

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

.about-text strong {
    color: var(--purple-400);
    font-weight: 600;
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
    margin-bottom: 32px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.info-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.info-item svg {
    flex-shrink: 0;
    color: var(--purple-400);
}

.info-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    display: block;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

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

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--purple-800), transparent);
}

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

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

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

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

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

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    color: var(--purple-400);
    margin-bottom: 24px;
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    background: rgba(139, 92, 246, 0.2);
    transform: scale(1.05);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.service-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--purple-400);
    padding: 4px 12px;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: var(--radius-full);
}

/* ========================================
   TOOLS SECTION
   ======================================== */
.tools {
    background: var(--bg-secondary);
    position: relative;
}

.tools::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--purple-800), transparent);
}

.tools-category {
    margin-bottom: 48px;
}

.tools-category:last-child {
    margin-bottom: 0;
}

.tools-category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.tools-category-title svg {
    color: var(--purple-400);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}

.tool-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
    cursor: default;
    text-align: center;
}

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

.tool-icon-wrapper {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.08);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    color: var(--purple-400);
}

.tool-card:hover .tool-icon-wrapper {
    background: rgba(139, 92, 246, 0.15);
    transform: scale(1.1);
}

.tool-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.tool-name {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.tool-use {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */
.portfolio {
    background: var(--bg-primary);
    position: relative;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--purple-800), transparent);
}

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

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

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

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

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

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}

.portfolio-image {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(76, 29, 149, 0.15));
    border: 1px solid var(--border-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-tertiary);
    font-family: var(--font-primary);
    font-weight: 500;
    transition: var(--transition-base);
}

.placeholder-grafico {
    background: linear-gradient(135deg, rgba(247, 37, 133, 0.08), rgba(139, 92, 246, 0.12));
}

.placeholder-video {
    background: linear-gradient(135deg, rgba(76, 201, 240, 0.08), rgba(139, 92, 246, 0.12));
}

.placeholder-landing {
    background: linear-gradient(135deg, rgba(6, 214, 160, 0.08), rgba(139, 92, 246, 0.12));
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 18, 0.95) 0%, rgba(10, 10, 18, 0.4) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    transform: translateY(20px);
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-category-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--purple-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.portfolio-info h4 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.portfolio-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--purple-800), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    transition: var(--transition-base);
}

.contact-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateX(5px);
}

.contact-card-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-md);
    color: var(--purple-400);
}

.contact-card h4 {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.social-links {
    margin-top: 32px;
}

.social-links h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

.social-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.social-icon:hover {
    transform: translateY(-4px);
}

.social-icon.linkedin:hover {
    background: rgba(10, 102, 194, 0.15);
    border-color: rgba(10, 102, 194, 0.4);
    color: #0A66C2;
    box-shadow: 0 8px 24px rgba(10, 102, 194, 0.2);
}

.social-icon.instagram:hover {
    background: rgba(225, 48, 108, 0.15);
    border-color: rgba(225, 48, 108, 0.4);
    color: #E1306C;
    box-shadow: 0 8px 24px rgba(225, 48, 108, 0.2);
}

/* Contact Form */
.contact-form {
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
}

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

.form-group label {
    display: block;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    transition: var(--transition-base);
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--purple-500);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b6580' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

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

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

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-subtle);
    padding: 60px 0 30px;
    z-index: 2;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 280px;
}

.footer-links-section h4,
.footer-social h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links-section ul li {
    margin-bottom: 10px;
}

.footer-links-section ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.footer-links-section ul li a:hover {
    color: var(--purple-400);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 24px;
    text-align: center;
}

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

/* ========================================
   ANIMATIONS
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    .hero-image {
        flex: 0 0 340px;
    }

    .hero-image-wrapper {
        width: 320px;
        height: 400px;
    }

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

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

    .about-grid {
        grid-template-columns: 300px 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .navbar {
        padding: 14px 20px;
    }

    .nav-links {
        display: none;
    }

    .btn-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 120px 20px 60px;
    }

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

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

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

    .hero-image {
        flex: none;
        order: -1;
        margin-top: 30px;
        margin-bottom: 90px;
    }

    .hero-image-wrapper {
        width: 260px;
        height: 320px;
        margin: 0 auto;
    }

    .card-1 {
        top: auto;
        bottom: -20px;
        right: -10px;
        font-size: 0.7rem;
        padding: 8px 12px;
    }

    .card-2 {
        top: auto;
        bottom: -20px;
        left: -10px;
        font-size: 0.7rem;
        padding: 8px 12px;
    }

    .card-3 {
        top: auto;
        bottom: -70px;
        right: -10px;
        font-size: 0.7rem;
        padding: 8px 12px;
    }

    .card-4 {
        top: auto;
        bottom: -70px;
        left: -10px;
        font-size: 0.7rem;
        padding: 8px 12px;
    }

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

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

    .about-images-bento {
        max-width: 360px;
        margin: 0 auto;
        grid-template-rows: 240px 160px;
    }

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

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

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

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

    .portfolio-filter {
        gap: 8px;
    }

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

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

    .contact-form {
        padding: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }

    .social-icons {
        justify-content: center;
    }

    .section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2.5rem;
    }

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

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

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .tool-card {
        padding: 20px 12px;
    }
}