/* ===============================================
   MindMint Lab - Deep Indigo + Purple with Mint Accent
   =============================================== */

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

:root {
    /* Deep Indigo + Purple with Mint Accent */
    --bg-primary: #050816;
    --bg-card: #0B1120;
    --bg-card-alt: #181B20;
    --accent-purple: #7C5CFF;
    --accent-purple-hover: #9F86FF;
    --accent-mint: #22F7C0;
    --text-main: #F9FAFB;
    --text-body: #E5E7EB;
    --text-muted: #9CA3AF;
    --border-color: rgba(148, 163, 184, 0.2);
    --grid-lines: rgba(148, 163, 184, 0.08);
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-purple: 0 8px 32px rgba(124, 92, 255, 0.25);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===============================================
   Navigation
   =============================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 8, 22, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(5, 8, 22, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 8px rgba(34, 247, 192, 0.3));
}

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

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-purple);
    transition: width 0.3s ease;
}

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

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

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

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

.nav-cta {
    background: var(--accent-purple);
    color: var(--bg-primary);
    padding: 0.65rem 1.75rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 92, 255, 0.4);
    background: #9F86FF;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--accent-purple);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===============================================
   Hero Section - UPGRADED
   =============================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 2rem var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-content {
    z-index: 2;
    max-width: 650px;
}

.hero-badge {
    display: inline-block;
    background: transparent;
    color: var(--accent-purple);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid var(--accent-purple);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
    letter-spacing: -0.02em;
}

.title-main {
    color: var(--text-main);
    display: block;
}

.hero-subtitle {
    font-size: clamp(1.35rem, 2.8vw, 2rem);
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 1.75rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    line-height: 1.4;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 1.25rem;
    max-width: 580px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-focus {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.8;
    margin-bottom: 2.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--accent-purple);
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Buttons - UPGRADED */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 2.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-purple);
    color: var(--text-main);
    box-shadow: var(--shadow-purple);
}

.btn-primary:hover {
    background: var(--accent-purple-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(124, 92, 255, 0.4), 0 0 30px rgba(124, 92, 255, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-purple);
    border: 1px solid transparent;
    background-image: linear-gradient(var(--bg-primary), var(--bg-primary)), 
                      linear-gradient(135deg, var(--accent-purple), var(--accent-mint));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.btn-secondary:hover {
    background: rgba(124, 92, 255, 0.08);
    color: var(--accent-purple-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 92, 255, 0.15);
}

.btn-project {
    background: transparent;
    color: var(--accent-purple);
    border: 1px solid transparent;
    background-image: linear-gradient(var(--bg-primary), var(--bg-primary)), 
                      linear-gradient(135deg, var(--accent-purple), var(--accent-mint));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    padding: 0.85rem 1.75rem;
    font-size: 0.95rem;
    margin-top: 1rem;
}

.btn-project:hover {
    background: rgba(124, 92, 255, 0.08);
    color: var(--accent-purple-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 92, 255, 0.15);
}

/* Hero Visual - Minimal AI Network Animation */
.hero-visual {
    position: relative;
    height: 550px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Holographic glow background */
.visual-gradient {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.25), transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
    filter: blur(60px);
}

/* Subtle grid overlay */
.visual-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-lines) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-lines) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.6;
}

/* AI Network Container */
.visual-circles {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* AI Network Nodes */
.ai-node {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(124, 92, 255, 0.8);
    box-shadow: 0 0 20px rgba(124, 92, 255, 0.6);
}

.ai-node.mint {
    background: rgba(34, 247, 192, 0.7);
    box-shadow: 0 0 20px rgba(34, 247, 192, 0.5);
}

/* Node positions and animations */
.ai-node:nth-child(1) { top: 20%; left: 25%; animation: float1 6s ease-in-out infinite; }
.ai-node:nth-child(2) { top: 35%; left: 70%; animation: float2 7s ease-in-out infinite; }
.ai-node:nth-child(3) { top: 60%; left: 30%; animation: float3 8s ease-in-out infinite; }
.ai-node:nth-child(4) { top: 75%; left: 65%; animation: float1 9s ease-in-out infinite; }
.ai-node:nth-child(5) { top: 45%; left: 50%; animation: pulse 5s ease-in-out infinite; }

/* Connection lines */
.ai-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(124, 92, 255, 0.35), transparent);
    transform-origin: left center;
    animation: lineGlow 4s ease-in-out infinite;
}

.ai-line:nth-child(6) { top: 22%; left: 26%; width: 250px; transform: rotate(15deg); }
.ai-line:nth-child(7) { top: 62%; left: 31%; width: 200px; transform: rotate(-10deg); }
.ai-line:nth-child(8) { top: 45%; left: 40%; width: 150px; transform: rotate(45deg); }

/* Animations */
@keyframes float1 {
    0%, 100% { transform: translate(0, 0); opacity: 0.8; }
    50% { transform: translate(15px, -10px); opacity: 1; }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0); opacity: 0.7; }
    50% { transform: translate(-10px, 15px); opacity: 1; }
}

@keyframes float3 {
    0%, 100% { transform: translate(0, 0); opacity: 0.8; }
    50% { transform: translate(10px, 10px); opacity: 0.9; }
}

@keyframes lineGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.4;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-purple), transparent);
    animation: scrollDown 2.5s ease-in-out infinite;
}

/* ===============================================
   Sections - General Styles
   =============================================== */

section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 2.5rem;
    text-align: center;
    color: var(--text-main);
    letter-spacing: -0.02em;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.section-title::after {
    content: '';
    margin-top: 12px;
    width: 180px;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--accent-purple) 0%,
        var(--accent-mint) 50%,
        var(--accent-purple) 100%
    );
    background-size: 200% 100%;
    animation: gradientScan 8s linear infinite;
    opacity: 0.6;
}

.section-intro {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 850px;
    margin: 0 auto 4rem;
    line-height: 1.8;
}

/* ===============================================
   About Section - VALUE CARDS UPGRADE
   =============================================== */

.about {
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(17, 21, 26, 0.5) 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20px 20px, rgba(124, 92, 255, 0.07) 2px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.about .container {
    position: relative;
    z-index: 1;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.pillar-card {
    background: var(--bg-card);
    padding: 3rem 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(124, 92, 255, 0.25);
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-purple-hover));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.pillar-card:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 8px 32px rgba(124, 92, 255, 0.3), 0 0 20px rgba(34, 247, 192, 0.15);
    background: rgba(17, 21, 26, 0.8);
}

.pillar-card:hover::before {
    transform: scaleX(1);
}

.pillar-icon {
    width: 70px;
    height: 70px;
    background: rgba(124, 92, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.75rem;
    transition: all 0.3s ease;
}

.pillar-card:hover .pillar-icon {
    background: rgba(124, 92, 255, 0.2);
    transform: scale(1.1);
}

.pillar-title {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.pillar-text {
    color: var(--text-muted);
    line-height: 1.75;
    font-size: 1.05rem;
}

/* ===============================================
   Projects Section - ENHANCED CARDS
   =============================================== */

.projects {
    background: var(--bg-card);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(124, 92, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 92, 255, 0.06) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.projects .container {
    position: relative;
    z-index: 1;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(370px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.project-card {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(124, 92, 255, 0.25);
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card.flagship {
    border-color: var(--accent-purple);
    border-width: 2px;
}

.project-card.flagship::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-hover));
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.project-card.flagship:hover::before {
    opacity: 0.1;
}

.project-card:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 8px 32px rgba(124, 92, 255, 0.3), 0 0 20px rgba(34, 247, 192, 0.15);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-badge {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-hover));
    color: var(--bg-primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-status {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
}

.status-beta {
    background: rgba(124, 92, 255, 0.1);
    color: var(--accent-purple);
    border: 1px solid var(--accent-purple);
}

.status-soon {
    background: rgba(25, 194, 157, 0.1);
    color: var(--accent-purple-hover);
    border: 1px solid var(--accent-purple-hover);
}

.status-experimental {
    background: rgba(139, 152, 165, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
}

.project-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-main);
}

.project-description {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.75rem;
    font-size: 1.05rem;
}

.project-features {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.project-features li {
    color: var(--text-muted);
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.05rem;
}

.project-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-purple);
    font-weight: bold;
    font-size: 1.2rem;
}

.project-tech {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.project-tech strong {
    color: var(--accent-purple);
}

.project-note {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.95rem;
    margin-top: auto;
}

/* ===============================================
   Vision Section - TIMELINE UPGRADE
   =============================================== */

.vision {
    background: linear-gradient(180deg, rgba(17, 21, 26, 0.5) 0%, var(--bg-primary) 100%);
    position: relative;
}

.vision::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 25px 25px, rgba(124, 92, 255, 0.05) 2px, transparent 0),
        radial-gradient(circle at 75px 75px, rgba(34, 247, 192, 0.03) 2px, transparent 0);
    background-size: 100px 100px;
    pointer-events: none;
    z-index: 0;
}

.vision .container {
    position: relative;
    z-index: 1;
}

.vision-statement {
    font-size: 1.3rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 950px;
    margin: 0 auto 5rem;
    line-height: 1.9;
}

.roadmap {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.roadmap::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--accent-purple), var(--accent-purple-hover));
    transform: translateX(-50%);
    opacity: 0.3;
}

.roadmap-item {
    display: flex;
    gap: 3rem;
    margin-bottom: 4rem;
    position: relative;
}

.roadmap-item:nth-child(odd) {
    flex-direction: row;
}

.roadmap-item:nth-child(even) {
    flex-direction: row-reverse;
}

.roadmap-number {
    position: absolute;
    left: 50%;
    top: -15px;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 3px solid var(--accent-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-purple);
    z-index: 3;
    transition: all 0.3s ease;
}

.roadmap-item:hover .roadmap-number {
    transform: translateX(-50%) scale(1.15);
    box-shadow: 0 0 0 8px rgba(124, 92, 255, 0.2);
}

.roadmap-marker {
    width: 16px;
    height: 16px;
    background: var(--accent-purple);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    position: absolute;
    left: 50%;
    top: 12px;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.15);
    transition: all 0.3s ease;
}

.roadmap-content {
    flex: 1;
    background: var(--bg-card);
    padding: 2rem 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    max-width: 45%;
    transition: all 0.3s ease;
}

.roadmap-item:hover .roadmap-content {
    border-color: var(--accent-purple);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.roadmap-item:nth-child(odd) .roadmap-content {
    text-align: right;
    margin-right: auto;
}

.roadmap-item:nth-child(even) .roadmap-content {
    text-align: left;
    margin-left: auto;
}

.roadmap-content h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-purple);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.roadmap-content p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* ===============================================
   Contact Section - NO EMAIL VERSION
   =============================================== */

.contact {
    background: var(--bg-card);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-info {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 1rem 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.social-link svg {
    transition: transform 0.3s ease;
}

.social-link:hover svg {
    transform: scale(1.1);
}

/* Contact Form */
.contact-form {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    color: var(--text-main);
    margin-bottom: 0.75rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.1);
    background: rgba(17, 21, 26, 0.5);
}

.form-group textarea {
    resize: vertical;
    min-height: 160px;
}

.contact-form .btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
}

/* ===============================================
   Footer
   =============================================== */

.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-text {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ===============================================
   Animations
   =============================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.15;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.2;
    }
}

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes gridMove {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(50px);
    }
}

@keyframes scrollDown {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(25px);
        opacity: 0;
    }
}

@keyframes gradientScan {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s cubic-bezier(0.19, 1, 0.22, 1), 
                transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays */
.pillars .pillar-card:nth-child(1) { transition-delay: 0s; }
.pillars .pillar-card:nth-child(2) { transition-delay: 0.1s; }
.pillars .pillar-card:nth-child(3) { transition-delay: 0.2s; }

.projects-grid .project-card:nth-child(1) { transition-delay: 0s; }
.projects-grid .project-card:nth-child(2) { transition-delay: 0.12s; }

.roadmap .roadmap-item:nth-child(1) { transition-delay: 0s; }
.roadmap .roadmap-item:nth-child(2) { transition-delay: 0.08s; }
.roadmap .roadmap-item:nth-child(3) { transition-delay: 0.16s; }
.roadmap .roadmap-item:nth-child(4) { transition-delay: 0.24s; }

/* ===============================================
   Responsive Design
   =============================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        height: 350px;
    }
    
    .roadmap::before {
        left: 25px;
    }
    
    .roadmap-marker {
        left: 25px;
    }
    
    .roadmap-item {
        flex-direction: row !important;
        padding-left: 70px;
    }
    
    .roadmap-content {
        max-width: 100% !important;
        text-align: left !important;
        margin: 0 !important;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 75px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 75px);
        background: rgba(11, 14, 17, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2.5rem;
        transition: right 0.4s ease;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 7rem 2rem 4rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .pillars {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .contact-form {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .container {
        padding: 0 1.25rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .pillar-card,
    .project-card {
        padding: 2rem 1.5rem;
    }
}