/* ============================================
   DWEL Investor Relations Website - Styles
   ============================================ */

/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #7a7a7a;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --transition-speed: 0.3s;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Navigation Bar
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: all var(--transition-speed);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    flex-direction: column;
}

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-brand .tagline {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-speed);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed);
}

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

.nav-link.cta-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
}

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

.nav-link.cta-btn:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: all var(--transition-speed);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1000px;
    padding: 2rem;
}

.confidential-badge {
    display: inline-block;
    background-color: rgba(239, 68, 68, 0.9);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    animation: fadeInUp 0.8s 0.2s both;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 3rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s 0.4s both;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    animation: fadeInUp 0.8s 0.6s both;
}

.feature-item {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    transition: transform var(--transition-speed);
}

.feature-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
}

.feature-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-item p {
    font-size: 1rem;
    line-height: 1.6;
}

.investment-highlight {
    margin: 3rem 0;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    animation: fadeInUp 0.8s 0.8s both;
}

.investment-highlight h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.investment-highlight .date {
    font-size: 1.1rem;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
    animation: fadeInUp 0.8s 1s both;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all var(--transition-speed);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-20px) translateX(-50%); }
    60% { transform: translateY(-10px) translateX(-50%); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Section Styling
   ============================================ */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-underline {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   Problem Section
   ============================================ */
.problem-section {
    background-color: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-text {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.chart-container {
    background-color: white;
    padding: 3rem 2rem;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    margin-top: 2rem;
}

.chart-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

/* ============================================
   Solution Section
   ============================================ */
.solution-section {
    background-color: white;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.solution-card {
    background-color: var(--bg-light);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    transition: all var(--transition-speed);
    border: 2px solid transparent;
}

.solution-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-lg);
}

.solution-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.solution-card p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   Market Section
   ============================================ */
.market-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.market-section .section-title,
.market-section .section-underline {
    color: white;
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

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

.market-stat-visual {
    margin-bottom: 2rem;
}

.percentage-circle {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    position: relative;
}

.percentage-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.percentage-circle circle {
    fill: none;
    stroke-width: 10;
}

.percentage-circle circle:first-child {
    stroke: rgba(255, 255, 255, 0.2);
}

.percentage-circle circle.progress {
    stroke: white;
    stroke-dasharray: 565;
    stroke-dashoffset: 0;
    stroke-linecap: round;
    transition: stroke-dashoffset 2s ease;
}

.percentage-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 800;
}

.market-icon-large {
    font-size: 5rem;
    opacity: 0.9;
}

.market-stat h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.market-stat p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.7;
}

/* ============================================
   Opportunity Section
   ============================================ */
.opportunity-section {
    background-color: var(--bg-light);
}

.opportunity-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 4rem;
    align-items: start;
}

.investment-box {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--box-shadow-lg);
    position: sticky;
    top: 100px;
}

.investment-amount {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.investment-label {
    font-size: 1.3rem;
    opacity: 0.9;
}

.opportunity-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.opportunity-item {
    display: flex;
    gap: 1.5rem;
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed);
}

.opportunity-item:hover {
    transform: translateX(10px);
}

.opportunity-item i {
    font-size: 2rem;
    color: var(--success-color);
    flex-shrink: 0;
}

.opportunity-item h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.opportunity-item p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.cta-box {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    color: white;
    padding: 4rem 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--box-shadow-lg);
}

.cta-box h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-box p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    background-color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.3rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.contact-item p {
    font-size: 1rem;
    color: var(--text-light);
}

.contact-form-container {
    background-color: var(--bg-light);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.9rem 1.2rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-speed);
    background-color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: all var(--transition-speed);
}

.social-links a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.7rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--box-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ============================================
   Animation Classes
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .opportunity-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .investment-box {
        position: static;
    }
    
    .hero-actions {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: left var(--transition-speed);
        box-shadow: var(--box-shadow);
        padding: 2rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(11px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-11px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid,
    .solution-grid,
    .market-stats {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .investment-amount {
        font-size: 3rem;
    }
    
    .contact-form-container {
        padding: 2rem 1.5rem;
    }
}