/* ==========================================================================
   RODRIGO FLÁVIO - PREMIUM DESIGN SYSTEM & VARIABLES
   ========================================================================== */

:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-primary: #040412;
    --bg-secondary: #0a0a26;
    --bg-tertiary: #12123d;
    --accent-cyan: #00f2fe;
    --accent-purple: #9d4edd;
    --accent-pink: #ff007f;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dark: #0f172a;
    
    /* Card Glass Styles */
    --glass-bg: rgba(10, 10, 30, 0.45);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-glow-cyan: rgba(0, 242, 254, 0.15);
    --glass-glow-purple: rgba(157, 78, 221, 0.15);
    --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease-out;
}

/* Light Theme Variables */
.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --accent-cyan: #0284c7;
    --accent-purple: #7c3aed;
    --accent-pink: #db2777;
    --text-main: #0f172a;
    --text-muted: #475569;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-glow-cyan: rgba(2, 132, 199, 0.08);
    --glass-glow-purple: rgba(124, 58, 237, 0.08);
    --card-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

/* Reset & Core Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Custom WebGL Canvas (Background) */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
    transition: opacity 0.5s ease;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography Custom Styles */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Custom Glowing Cursor */
.custom-cursor {
    width: 8px;
    height: 8px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

.custom-cursor-glow {
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-purple);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.1s ease-out, width 0.3s, height 0.3s, border-color 0.3s;
}

/* Cursor Hover States */
.hovered-link .custom-cursor {
    width: 14px;
    height: 14px;
    background-color: var(--accent-pink);
}

.hovered-link .custom-cursor-glow {
    width: 60px;
    height: 60px;
    border-color: var(--accent-cyan);
    background-color: rgba(0, 242, 254, 0.05);
}

/* Hide custom cursor on mobile */
@media (max-width: 768px) {
    .custom-cursor, .custom-cursor-glow {
        display: none !important;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(157, 78, 221, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Gradients & Text Highlights */
.gradient-text-cyan {
    background: linear-gradient(135deg, #00f2fe, #4facfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-purple {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Section Common Layout */
section {
    padding: 100px 0;
    position: relative;
}

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

.section-subtitle {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-cyan);
    display: inline-block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    line-height: 1.2;
    color: var(--text-main);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    section {
        padding: 60px 0;
    }
}


/* ==========================================================================
   HEADER / NAVIGATION BAR
   ========================================================================== */

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    padding: 12px 0;
    background-color: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--text-main);
    transition: var(--transition-fast);
}

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

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

/* Nav links */
.nav-bar ul {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.btn-header {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 242, 254, 0.15);
}

.btn-header::after {
    display: none !important;
}

.btn-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(157, 78, 221, 0.3);
}

/* Actions (Theme & Mobile Menu Toggle) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: scale(1.05);
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1002;
}

.mobile-nav-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Mobile Menu Toggle States */
.mobile-nav-toggle.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-nav-toggle.open .bar:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.open .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Nav Menu styles */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-left: 1px solid var(--glass-border);
    padding: 120px 40px 40px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.mobile-link {
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.mobile-link:hover {
    color: var(--accent-cyan);
}

.mobile-btn {
    display: block;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #fff;
    text-align: center;
    padding: 12px;
    border-radius: 10px;
}

@media (max-width: 992px) {
    .nav-bar {
        display: none;
    }
    .mobile-nav-toggle {
        display: flex;
    }
}


/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 40px;
}

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

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    align-self: flex-start;
    backdrop-filter: blur(10px);
}

.hero-tag .tag-icon {
    color: var(--accent-cyan);
}

.hero-tag .tag-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
}

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

/* 3D Visual Box styling */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.hero-3d-card {
    width: 100%;
    max-width: 440px;
    height: 320px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.5s ease-out;
}

.card-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 20px;
    z-index: 1;
    filter: blur(15px);
    opacity: 0.35;
    transition: var(--transition-smooth);
}

.hero-3d-card:hover .card-glow {
    opacity: 0.6;
    filter: blur(25px);
}

.card-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    z-index: 2;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: var(--card-shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transform: translateZ(20px);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 12px;
}

.code-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-header .dot.red { background-color: #ff5f56; }
.code-header .dot.yellow { background-color: #ffbd2e; }
.code-header .dot.green { background-color: #27c93f; }

.code-header .filename {
    margin-left: 10px;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.code-body {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #a5b4fc;
    line-height: 1.5;
}

.code-line {
    display: block;
}

.code-line.indent {
    padding-left: 20px;
}

.keyword { color: #f43f5e; }
.property { color: #38bdf8; }
.string { color: #34d399; }
.function-name { color: #fbbf24; }
.class-name { color: #a855f7; }

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 10;
}

.hero-scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-muted);
}

.mouse-icon {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.mouse-icon .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-cyan);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollMouse 1.8s infinite ease-in-out;
}

.scroll-text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@keyframes scrollMouse {
    0% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0; }
    100% { top: 6px; opacity: 1; }
}

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }
    .hero-tag {
        align-self: center;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual {
        order: -1;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.4rem;
    }
    .hero-3d-card {
        height: 280px;
    }
    .code-body {
        font-size: 0.75rem;
    }
}


/* ==========================================================================
   ABOUT / PROFILE SECTION
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.image-wrapper-3d {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    aspect-ratio: 1;
    position: relative;
    border-radius: 24px;
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.image-glow {
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 24px;
    z-index: 1;
    filter: blur(25px);
    opacity: 0.4;
    transition: var(--transition-smooth);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
    border: 2px solid var(--glass-border);
    position: relative;
    z-index: 2;
    transform: translateZ(10px);
    box-shadow: var(--card-shadow);
}

.image-overlay-info {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(10, 10, 30, 0.75);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 20px;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transform: translateZ(25px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.image-overlay-info .name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
}

.image-overlay-info .role {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.about-subtitle {
    font-size: 1.8rem;
    color: var(--text-main);
    line-height: 1.3;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-muted);
}

/* Stats Counter Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.stat-card {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    border-color: var(--accent-purple);
    transform: translateY(-5px);
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-cyan);
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-cyan);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.3;
}

.about-cta-wrapper {
    margin-top: 10px;
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .image-wrapper-3d {
        max-width: 320px;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .about-subtitle {
        font-size: 1.4rem;
    }
}


/* ==========================================================================
   EXPERTISE SECTION
   ========================================================================== */

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.expertise-card {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px 30px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    transition: var(--transition-smooth);
}

.expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

#exp-card-ecommerce:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 15px 40px var(--glass-glow-cyan);
}
#exp-card-ecommerce::before {
    background: linear-gradient(90deg, var(--accent-cyan), #4facfe);
}

#exp-card-systems:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 15px 40px var(--glass-glow-purple);
}
#exp-card-systems::before {
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-pink));
}

#exp-card-marketing:hover {
    border-color: var(--accent-pink);
    box-shadow: 0 15px 40px rgba(255, 0, 127, 0.15);
}
#exp-card-marketing::before {
    background: linear-gradient(90deg, var(--accent-pink), #ff758c);
}

.card-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.card-icon-wrapper.cyan {
    background-color: rgba(0, 242, 254, 0.1);
    color: var(--accent-cyan);
}

.card-icon-wrapper.purple {
    background-color: rgba(157, 78, 221, 0.1);
    color: var(--accent-purple);
}

.card-icon-wrapper.pink {
    background-color: rgba(255, 0, 127, 0.1);
    color: var(--accent-pink);
}

.expertise-card .card-title {
    font-size: 1.4rem;
    color: var(--text-main);
}

.expertise-card .card-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.card-tags span {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: var(--text-muted);
}

@media (max-width: 992px) {
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}


/* ==========================================================================
   PORTFOLIO / PROJECTS SECTION
   ========================================================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-card {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.project-media {
    width: 100%;
    height: 240px;
    background-color: var(--bg-tertiary);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-bg-icon {
    font-size: 5rem;
    color: rgba(255,255,255,0.03);
    transition: var(--transition-smooth);
}

.project-card:hover .project-bg-icon {
    transform: scale(1.2) rotate(5deg);
    color: rgba(0, 242, 254, 0.05);
}

.project-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 14px;
    background-color: rgba(0, 242, 254, 0.2);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
    z-index: 5;
}

/* Hover overlay styling */
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 30, 0.95), rgba(157, 78, 221, 0.95));
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 12px;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 10;
}

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

.project-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-cyan);
}

.project-name {
    font-size: 1.4rem;
    color: #fff;
    line-height: 1.2;
}

.project-desc-hover {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 5px;
}

.project-tech-stack span {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 8px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    color: #fff;
}

.project-details {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-details h3 {
    font-size: 1.2rem;
    color: var(--text-main);
}

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

@media (max-width: 992px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}


/* ==========================================================================
   CAREER / TIMELINE SECTION
   ========================================================================== */

.timeline-section {
    position: relative;
    overflow: hidden;
}

.timeline-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline-progress-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: var(--glass-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
    transform-style: preserve-3d;
}

.timeline-item.left-item {
    left: 0;
    text-align: right;
}

.timeline-item.right-item {
    left: 50%;
}

/* Timeline center dots */
.timeline-dot-wrapper {
    position: absolute;
    top: 25px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.left-item .timeline-dot-wrapper {
    right: -15px;
}

.right-item .timeline-dot-wrapper {
    left: -15px;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    background-color: var(--accent-cyan);
    z-index: 10;
    transition: var(--transition-smooth);
}

.timeline-dot.cyan-glow {
    background-color: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-dot.purple-glow {
    background-color: var(--accent-purple);
    box-shadow: 0 0 10px var(--accent-purple);
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
}

/* Timeline Cards */
.timeline-card {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-card {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 800;
    padding: 4px 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    margin-bottom: 12px;
    color: var(--accent-cyan);
}

.left-item .timeline-date {
    background-color: rgba(0, 242, 254, 0.08);
}

.right-item .timeline-date {
    color: var(--accent-purple);
    background-color: rgba(157, 78, 221, 0.08);
}

.timeline-title {
    font-size: 1.3rem;
    color: var(--text-main);
}

.timeline-company {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-pink);
    margin-bottom: 12px;
}

.timeline-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Timeline Responsive styling */
@media (max-width: 768px) {
    .timeline-progress-line {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding: 20px 20px 20px 50px;
    }
    
    .timeline-item.left-item {
        left: 0;
        text-align: left;
    }
    
    .timeline-item.right-item {
        left: 0;
    }
    
    .left-item .timeline-dot-wrapper {
        left: 5px;
        right: auto;
    }
    
    .right-item .timeline-dot-wrapper {
        left: 5px;
    }
}


/* ==========================================================================
   SKILLS & CERTIFICATIONS SECTION
   ========================================================================== */

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.skills-column-title {
    font-size: 1.6rem;
    color: var(--text-main);
    margin-bottom: 35px;
    position: relative;
    padding-bottom: 12px;
}

.skills-column-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 2px;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.skill-percentage {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.skill-bar-bg {
    width: 100%;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-bar-fill.cyan-fill {
    background: linear-gradient(90deg, var(--accent-cyan), #4facfe);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.4);
}

.skill-bar-fill.purple-fill {
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-pink));
    box-shadow: 0 0 8px rgba(157, 78, 221, 0.4);
}

/* Certifications styles */
.certs-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cert-card {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    gap: 20px;
    align-items: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.cert-card:hover {
    border-color: var(--accent-purple);
    transform: translateX(5px);
}

.cert-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(157, 78, 221, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-purple);
    flex-shrink: 0;
}

.cert-info h4 {
    font-size: 1.1rem;
    color: var(--text-main);
    line-height: 1.3;
}

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

@media (max-width: 992px) {
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}


/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 50px;
    align-items: flex-start;
}

.contact-column-title {
    font-size: 1.6rem;
    color: var(--text-main);
    margin-bottom: 20px;
}

.contact-intro {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 35px;
}

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

.contact-card {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    gap: 20px;
    align-items: center;
    text-decoration: none;
    backdrop-filter: blur(10px);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.contact-icon.whatsapp-color {
    background-color: rgba(37, 211, 102, 0.1);
    color: #25d366;
}

.contact-icon.email-color {
    background-color: rgba(0, 242, 254, 0.1);
    color: var(--accent-cyan);
}

.contact-icon.web-color {
    background-color: rgba(157, 78, 221, 0.1);
    color: var(--accent-purple);
}

.contact-icon.location-color {
    background-color: rgba(255, 0, 127, 0.1);
    color: var(--accent-pink);
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 2px;
    word-break: break-all;
}

/* Contact Form */
.form-container {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--card-shadow);
}

.form-title {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 10px;
}

.form-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-cyan);
    border-radius: 2px;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background-color: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 14px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--accent-cyan);
    background-color: rgba(255,255,255,0.06);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

.form-group select option {
    background-color: #0b0b23;
    color: #fff;
}

.form-status-msg {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
    text-align: center;
}

.form-status-msg.success {
    display: block;
    background-color: rgba(37, 211, 102, 0.1);
    color: #25d366;
    border: 1px solid rgba(37, 211, 102, 0.2);
}

.form-status-msg.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 576px) {
    .form-container {
        padding: 24px;
    }
}


/* ==========================================================================
   FOOTER
   ========================================================================== */

.main-footer {
    border-top: 1px solid var(--glass-border);
    background-color: rgba(4, 4, 18, 0.8);
    backdrop-filter: blur(10px);
    padding: 40px 0;
    margin-top: 60px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.footer-right {
    text-align: right;
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.author {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.animate-heart {
    color: var(--accent-pink);
    animation: pulseHeart 1.5s infinite;
}

@keyframes pulseHeart {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@media (max-width: 576px) {
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    .footer-right {
        text-align: center;
    }
}


/* ==========================================================================
   FLOATING COMPONENTS & ACTIONS
   ========================================================================== */

/* Floating WhatsApp Button */
.whatsapp-floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.whatsapp-floating:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

@media (max-width: 768px) {
    .whatsapp-floating {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }
}

/* Scroll reveal helpers */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}