/* ============================================
   VARIABLES & RESETS
   ============================================ */
:root {
    --color-dark: #111111;
    --color-dark-lighter: #1a1a1a;
    --color-gold: #ffd700;
    --color-gold-dark: #b8960a;
    --color-purple: #8b5cf6;
    --color-purple-light: #a78bfa;
    --color-indigo: #6366f1;
    --color-white: #ffffff;
    --color-gray: #9ca3af;
    --color-gray-light: #e5e7eb;
    
    --gradient-primary: linear-gradient(135deg, var(--color-purple) 0%, var(--color-indigo) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--color-dark);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray);
}

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

a:hover {
    color: var(--color-gold-dark);
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
    background-color: var(--color-dark);
}

.section-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ============================================
   HEADER
   ============================================ */
.header {
    background: var(--gradient-dark);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 9999;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav a {
    color: var(--color-white);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-normal), left var(--transition-normal);
}

.nav a:hover {
    color: var(--color-gold);
    transform: translateY(-2px);
}

.nav a:hover::before {
    width: 100%;
    left: 0;
}

.nav a.active {
    color: var(--color-gold);
    font-weight: 600;
}

.nav a.active::before {
    width: 100%;
    left: 0;
}

.nav a:active {
    transform: translateY(0);
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.6);
    width: 10px;
    height: 10px;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: ripple-animation 0.6s ease-out;
}

@keyframes ripple-animation {
    from {
        width: 10px;
        height: 10px;
        opacity: 1;
    }
    to {
        width: 100px;
        height: 100px;
        opacity: 0;
    }
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(100px);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    flex: 1;
    margin-bottom: 0;
}

/* ============================================
   ROBOT/CHATBOT ICON
   ============================================ */
.chatbot-icon {
    position: relative;
    width: 100px;
    height: 120px;
    flex-shrink: 0;
    margin-top: 10px;
    animation: float-robot 4s ease-in-out infinite;
}

@keyframes float-robot {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.robot-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    filter: drop-shadow(0 10px 30px rgba(255, 215, 0, 0.4));
}

/* Robot Antennas */
.robot-antenna {
    position: absolute;
    top: -5px;
    width: 2px;
    height: 15px;
    background: var(--gradient-accent);
    animation: antenna-wave 2s ease-in-out infinite;
}

.left-antenna {
    left: 30%;
    animation-delay: 0s;
}

.right-antenna {
    right: 30%;
    animation-delay: 0.5s;
}

.robot-antenna::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--color-gold), 0 0 25px rgba(255, 215, 0, 0.6);
    animation: antenna-blink 1.5s ease-in-out infinite;
}

@keyframes antenna-wave {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(10deg); }
}

@keyframes antenna-blink {
    0%, 100% { opacity: 1; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.4; transform: translateX(-50%) scale(0.8); }
}

/* Robot Head */
.robot-head {
    width: 70px;
    height: 60px;
    background: linear-gradient(145deg, #ffd700, #b8960a);
    border-radius: 12px;
    position: relative;
    border: 3px solid #ffed4e;
    box-shadow: inset 0 2px 10px rgba(255, 255, 255, 0.3),
                inset 0 -2px 10px rgba(0, 0, 0, 0.3);
    margin-top: 10px;
}

.robot-head::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(145deg, #ffed4e, #ffd700);
    border-radius: 12px;
    z-index: -1;
    opacity: 0.5;
}

/* Robot Screen */
.robot-screen {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 20px;
    background: linear-gradient(180deg, #1a1a1a, #333);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 3px 5px;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.8);
}

.screen-line {
    width: 100%;
    height: 2px;
    background: #00ff00;
    opacity: 0.8;
    border-radius: 1px;
    animation: screen-flicker 3s ease-in-out infinite;
}

.screen-line:nth-child(2) {
    width: 70%;
    animation-delay: 0.5s;
}

.screen-line:nth-child(3) {
    width: 85%;
    animation-delay: 1s;
}

@keyframes screen-flicker {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 0.3; }
}

/* Robot Eyes */
.robot-eyes {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
}

.robot-eye {
    width: 12px;
    height: 12px;
    background: linear-gradient(145deg, #333, #1a1a1a);
    border-radius: 50%;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.8);
    border: 2px solid #555;
}

.eye-pupil {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-gold);
    animation: eye-scan 3s ease-in-out infinite;
}

@keyframes eye-scan {
    0%, 100% { transform: translate(-50%, -50%); }
    25% { transform: translate(-30%, -50%); }
    75% { transform: translate(-70%, -50%); }
}

/* Robot Body */
.robot-body {
    width: 60px;
    height: 40px;
    background: linear-gradient(145deg, #ffd700, #b8960a);
    border-radius: 8px 8px 12px 12px;
    margin-top: 5px;
    border: 3px solid #ffed4e;
    position: relative;
    box-shadow: inset 0 2px 10px rgba(255, 255, 255, 0.3),
                inset 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.body-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 5px;
    align-items: center;
}

.panel-light {
    width: 8px;
    height: 8px;
    background: #333;
    border-radius: 50%;
    animation: panel-blink 2s ease-in-out infinite;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
}

.panel-light:nth-child(1) { animation-delay: 0s; }
.panel-light:nth-child(2) { animation-delay: 0.3s; }
.panel-light:nth-child(3) { animation-delay: 0.6s; }

@keyframes panel-blink {
    0%, 100% { background: #333; box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5); }
    50% { background: #00ff00; box-shadow: 0 0 10px #00ff00, inset 0 1px 2px rgba(0, 0, 0, 0.5); }
}

/* Robot Glow Effect */
.robot-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px solid var(--color-gold);
    opacity: 0;
    animation: glow-pulse 3s ease-out infinite;
}

@keyframes glow-pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.8);
        opacity: 0;
    }
}

/* Hover Effects */
.chatbot-icon:hover .robot-container {
    animation: bounce-robot 0.6s ease;
}

@keyframes bounce-robot {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.1); }
}

.chatbot-icon:hover .robot-eye {
    border-color: var(--color-gold);
}

.chatbot-icon:hover .eye-pupil {
    animation: eye-excited 0.3s ease infinite;
}

@keyframes eye-excited {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.3); }
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
    animation: float 3s ease-in-out infinite;
}

.stat-card:nth-child(1) { animation-delay: 0s; }
.stat-card:nth-child(2) { animation-delay: 0.5s; }
.stat-card:nth-child(3) { animation-delay: 1s; }

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

.stat-card:hover {
    transform: translateY(-15px) scale(1.05);
    border-color: rgba(255, 215, 0, 0.5);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.2);
    animation: none;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-dark);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
    z-index: -1;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-gold);
    color: var(--color-gold);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--color-gold);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
    z-index: -1;
}

.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-secondary:hover {
    color: var(--color-dark);
    transform: translateY(-2px);
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ============================================
   CARDS
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.cards-grid .card:nth-child(1) { animation-delay: 0.1s; }
.cards-grid .card:nth-child(2) { animation-delay: 0.2s; }
.cards-grid .card:nth-child(3) { animation-delay: 0.3s; }
.cards-grid .card:nth-child(4) { animation-delay: 0.4s; }
.cards-grid .card:nth-child(5) { animation-delay: 0.5s; }
.cards-grid .card:nth-child(6) { animation-delay: 0.6s; }

.card {
    background: var(--gradient-dark);
    border-radius: 16px;
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 215, 0, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.card:hover .card-icon {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.card-description {
    color: var(--color-gray);
    line-height: 1.6;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: var(--spacing-lg) auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-purple), var(--color-gold));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

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

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

.timeline-content {
    width: calc(50% - 40px);
    padding: var(--spacing-md);
    background: var(--gradient-dark);
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-content {
    border-color: rgba(255, 215, 0, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: scale(1.05);
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-accent);
    border: 4px solid var(--color-dark);
    z-index: 1;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(255, 215, 0, 0);
    }
}

.timeline-year {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.team-member {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gradient-dark);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 215, 0, 0.2);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-primary);
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-white);
    transition: all var(--transition-normal);
    position: relative;
}

.team-avatar::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.team-member:hover .team-avatar {
    transform: scale(1.1) rotate(5deg);
}

.team-member:hover .team-avatar::before {
    opacity: 1;
    animation: rotate 3s linear infinite;
}

.team-name {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.team-role {
    color: var(--color-gold);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.team-social {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.team-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.team-social a:hover {
    background: var(--color-gold);
    color: var(--color-dark);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: var(--gradient-dark);
    border-radius: 24px;
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark-lighter);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gold);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-gold);
    color: var(--color-dark);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 80px);
        background: var(--color-dark-lighter);
        flex-direction: column;
        padding: var(--spacing-md);
        transition: right var(--transition-normal);
        border-left: 1px solid rgba(255, 215, 0, 0.1);
    }
    
    .nav.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .hero-title-wrapper {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .chatbot-icon {
        align-self: center;
        margin-top: var(--spacing-sm);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: row;
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
}