/* ================================================
   RODRIGO FAZENDA — PORTFOLIO STYLES
   Modern Dark Theme with Purple/Cyan accents
   ================================================ */

/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a25;
    --bg-card: #15151f;
    --bg-card-hover: #1c1c2a;

    --text-primary: #e8e8ef;
    --text-secondary: #9a9ab0;
    --text-muted: #6a6a80;

    --accent-primary: #7c3aed;
    --accent-secondary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
    --accent-gradient-hover: linear-gradient(135deg, #8b5cf6 0%, #22d3ee 100%);
    --accent-glow: rgba(124, 58, 237, 0.25);
    --accent-glow-cyan: rgba(6, 182, 212, 0.2);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-color-hover: rgba(124, 58, 237, 0.3);

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', monospace;

    --nav-height: 72px;
    --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);

    --nav-bg: rgba(10, 10, 15, 0.8);
    --nav-bg-scrolled: rgba(10, 10, 15, 0.95);
    --badge-bg: rgba(10, 10, 15, 0.85);
}

[data-theme="light"] {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fa;

    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;

    --border-color: rgba(0, 0, 0, 0.1);
    --border-color-hover: rgba(124, 58, 237, 0.4);

    --nav-bg: rgba(255, 255, 255, 0.85);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.98);
    --badge-bg: rgba(255, 255, 255, 0.9);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-main);
    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(--accent-primary);
    color: white;
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

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

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

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

/* ===== Navbar ===== */
#mainNav {
    height: var(--nav-height);
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    z-index: 1050;
}

#mainNav.scrolled {
    background: var(--nav-bg-scrolled);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    letter-spacing: -1px;
}

.brand-symbol {
    color: var(--accent-primary);
}

.navbar-toggler {
    border: 1px solid var(--border-color) !important;
    padding: 0.4rem 0.6rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28232, 232, 239, 0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary) !important;
    background: rgba(124, 58, 237, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 1px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    background: rgba(124, 58, 237, 0.1);
    transform: translateY(-2px);
}

/* ===== Hero Section ===== */
.hero-section {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    animation: float-glow 8s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-glow-cyan) 0%, transparent 70%);
    animation: float-glow 10s ease-in-out infinite reverse;
}

@keyframes float-glow {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -30px); }
    66% { transform: translate(-20px, 20px); }
}

/* Particles */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--accent-primary);
    opacity: 0;
    animation: particle-float linear infinite;
}

@keyframes particle-float {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    10% {
        opacity: 0.6;
        transform: scale(1);
    }
    90% {
        opacity: 0.2;
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) scale(0);
    }
}

.hero-content {
    padding-top: calc(var(--nav-height) + 40px);
}

.hero-greeting {
    color: var(--accent-primary);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.greeting-line {
    display: inline-block;
    width: 40px;
    height: 2px;
    background: var(--accent-gradient);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.hero-typewriter {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-secondary);
    margin-bottom: 1.5rem;
    padding: 10px 16px;
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 8px;
    display: inline-block;
}

.typewriter-prefix {
    color: var(--accent-primary);
}

.typewriter-cursor {
    animation: blink 1s step-end infinite;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 2.5rem;
}

/* Buttons */
.btn-primary-custom {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient-hover);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn-primary-custom:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary-custom:hover::before {
    opacity: 1;
}

.btn-outline-custom {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-outline-custom:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.05);
    transform: translateY(-2px);
}

/* Hero Socials */
.hero-socials {
    display: flex;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.1);
    transform: translateY(-3px);
}

/* Hero Code Window */
.hero-visual {
    perspective: 1000px;
}

.code-window {
    background: #15151f; /* Hardcoded to keep dark in light mode */
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: var(--transition-slow);
}

.code-window:hover {
    transform: rotateY(0) rotateX(0);
    box-shadow: 0 25px 70px rgba(124, 58, 237, 0.15);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: #1a1a25; /* Hardcoded to keep dark in light mode */
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.code-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.code-body {
    padding: 20px;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    overflow-x: auto;
    background: transparent;
}

.code-body code {
    font-family: inherit;
    color: #e8e8ef; /* Hardcoded to keep dark in light mode */
}

.code-keyword { color: #c792ea; }
.code-var { color: #82aaff; }
.code-prop { color: #f78c6c; }
.code-string { color: #c3e88d; }
.code-bool { color: #ff5370; }
.code-func { color: #82aaff; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

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

.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-down 2s ease-in-out infinite;
}

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

/* ===== Section Common ===== */
.section-padding {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-tag {
    display: inline-block;
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(124, 58, 237, 0.2);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -1px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-top: 0.5rem;
}

/* ===== About Section ===== */
.about-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.about-image-frame {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    overflow: hidden;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: var(--transition-slow);
}

.about-image-border {
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    background: var(--accent-gradient);
    z-index: -1;
}

.about-experience-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: var(--badge-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    padding: 15px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2;
    transform: translateY(0);
    transition: var(--transition);
}

.about-experience-badge:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 15px 40px rgba(124, 58, 237, 0.2);
}

.about-subtitle {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

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

.about-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 1.5rem;
}

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

.about-info-item:hover {
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.05);
}

.about-info-item i {
    color: var(--accent-primary);
    font-size: 1.1rem;
}

/* ===== Skills Section ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.skill-category-header i {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-category-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
}

.skill-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    cursor: default;
}

.skill-chip:hover {
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.15);
}

.skill-chip img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.skill-chip img.invert-icon {
    filter: invert(1) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.skill-chip .chip-icon {
    font-size: 1.4rem;
    color: var(--accent-primary);
    width: 28px;
    text-align: center;
}

.skill-chip span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

/* ===== Projects Section ===== */
.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
}

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

.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.2);
}

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

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

.project-poster {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 2;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 0;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.project-card:hover .project-placeholder {
    transform: scale(1.05);
    color: var(--accent-primary);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 3;
}

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

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

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: white;
    font-size: 1.1rem;
    transition: var(--transition);
    transform: translateY(20px);
}

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

.project-link:hover {
    transform: scale(1.15) !important;
    color: white;
    box-shadow: 0 6px 20px var(--accent-glow);
}

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

.project-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

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

.tech-tag {
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(124, 58, 237, 0.15);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ===== Contact Section ===== */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(124, 58, 237, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.contact-card h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0;
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 2px 0 0;
}

.contact-socials {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.contact-social-link {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.1);
    transform: translateY(-4px);
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
}

.custom-input {
    background: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 12px !important;
    font-family: var(--font-main);
    transition: var(--transition);
}

.custom-input:focus {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 3px var(--accent-glow) !important;
}

.form-floating label {
    color: var(--text-muted) !important;
    font-family: var(--font-main);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--accent-primary) !important;
}

#formAlert {
    border-radius: 12px;
    font-size: 0.9rem;
}

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

.footer-grid {
    padding-bottom: 40px;
}

.footer-brand-section {
    padding-right: 20px;
}

.footer-brand {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

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

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

.footer-social {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.1);
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 10px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 1px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-links a i {
    font-size: 0.7rem;
    color: var(--accent-primary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-primary);
    transform: translateX(4px);
}

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

.footer-tech {
    background: rgba(124, 58, 237, 0.08);
    color: var(--text-secondary);
    border: 1px solid rgba(124, 58, 237, 0.12);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition);
}

.footer-tech:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.15);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-contact li i {
    color: var(--accent-primary);
    font-size: 1rem;
    width: 18px;
    flex-shrink: 0;
}

.footer-contact a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    padding-bottom: 24px;
}

.footer-divider {
    height: 1px;
    background: var(--border-color);
    margin-bottom: 24px;
}

/* ===== Video Modal (Netflix Style) ===== */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

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

.video-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    background: #000;
    transform: scale(0.95);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.video-modal.active .video-modal-content {
    transform: scale(1);
}

.close-modal-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
    backdrop-filter: blur(4px);
}

.close-modal-btn:hover {
    background: var(--accent-primary);
    transform: scale(1.1);
}

.custom-video-player {
    position: relative;
    width: 100%;
    display: flex;
    background: #000;
}

#modalVideo {
    width: 100%;
    max-height: 85vh;
    object-fit: contain;
    background: #000;
    cursor: pointer;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 20px 20px;
    background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.5) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.custom-video-player:hover .video-controls,
.custom-video-player.seeking .video-controls,
.custom-video-player.paused .video-controls {
    opacity: 1;
}

.video-progress {
    position: relative;
    height: 5px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    cursor: pointer;
    transition: height 0.2s;
}

.video-progress:hover {
    height: 8px;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--accent-primary);
    border-radius: 5px;
    width: 0%;
    pointer-events: none;
}

.video-progress:hover .progress-bar::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}

.controls-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.controls-left, .controls-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.control-btn {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, transform 0.1s;
    padding: 0;
}

.control-btn:hover {
    color: var(--accent-primary);
}

.control-btn:active {
    transform: scale(0.9);
}

.volume-container {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 30px;
    overflow: hidden;
    transition: width 0.3s ease;
}

.volume-container:hover {
    width: 130px;
}

.volume-slider-container {
    display: flex;
    align-items: center;
    opacity: 0;
    width: 80px;
    transition: opacity 0.3s;
}

.volume-container:hover .volume-slider-container {
    opacity: 1;
}

#volumeBar {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

#volumeBar::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
}

.time-display {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    user-select: none;
}

.time-separator {
    color: rgba(255, 255, 255, 0.4);
    margin: 0 4px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 0;
}

.footer-built {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 0;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--accent-gradient);
    border: none;
    color: white;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 6px 20px var(--accent-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .hero-content {
        text-align: center;
        padding-top: calc(var(--nav-height) + 60px);
    }

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

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

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

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

    .hero-typewriter {
        display: block;
        text-align: left;
    }

    .navbar-collapse {
        background: var(--bg-secondary);
        border-radius: 16px;
        padding: 16px;
        margin-top: 12px;
        border: 1px solid var(--border-color);
    }

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

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

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

@media (max-width: 575px) {
    .section-padding {
        padding: 70px 0;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .about-image-frame {
        width: 240px;
        height: 300px;
    }

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




    .contact-form {
        padding: 20px;
    }

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