/* ============================================
   IoT-AI Solutions Landing Page
   Color Palette: #1A3C5E (Dark Navy) + #8B1A1A (Burgundy)
   Typography: Inter (Google Fonts)
   ============================================ */

:root {
    --primary-color: #1A3C5E;
    --secondary-color: #8B1A1A;
    --accent-color: #FF6B6B;
    --light-bg: #F8F9FA;
    --dark-bg: #0A0A0A;
    --text-dark: #1A1A1A;
    --text-light: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow: 0 10px 30px rgba(26, 60, 94, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode {
    --light-bg: #1A1A1A;
    --text-dark: #FFFFFF;
    --border-color: #333333;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

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

a:hover {
    color: var(--secondary-color);
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

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

section {
    padding: 5rem 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    background: var(--text-light);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

body.dark-mode .navbar {
    background: #1A1A1A;
    border-bottom: 1px solid var(--border-color);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.logo img {
    height: 50px;
    width: auto;
    margin-right: 0.5rem;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 0.5rem 0;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

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

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

.theme-toggle:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2A5A8E 100%);
    color: var(--text-light);
}

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 100% 50%, rgba(255, 107, 107, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background: #A02A2A;
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(139, 26, 26, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--primary-color);
}

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

.about {
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--text-light);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(26, 60, 94, 0.15);
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-dark);
    opacity: 0.8;
    margin: 0;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */

.products {
    background: var(--text-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(26, 60, 94, 0.2);
    border-left-color: var(--secondary-color);
}

.product-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.product-subtitle {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.product-features {
    list-style: none;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.product-features i {
    color: var(--secondary-color);
    font-weight: 700;
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */

.how-it-works {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2A5A8E 100%);
    color: var(--text-light);
}

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

.step {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

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

.step-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.step h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.step p {
    margin: 0;
    opacity: 0.95;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    background: var(--light-bg);
}

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

.feature-item {
    text-align: center;
    padding: 2rem;
    background: var(--text-light);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(26, 60, 94, 0.15);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-item p {
    margin: 0;
    color: var(--text-dark);
    opacity: 0.8;
}

/* ============================================
   CASES SECTION
   ============================================ */

.cases {
    background: var(--text-light);
}

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

.case-card {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(26, 60, 94, 0.15);
    border-top-color: var(--secondary-color);
}

.case-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.case-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.case-card p {
    margin: 0;
    color: var(--text-dark);
    opacity: 0.8;
}

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

.contact {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2A5A8E 100%);
    color: var(--text-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.detail {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.detail i {
    font-size: 1.5rem;
}

.detail a {
    color: var(--text-light);
    font-weight: 500;
}

.detail a:hover {
    opacity: 0.8;
}

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

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

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-dark);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 26, 26, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

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

.footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    opacity: 0.9;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
}

/* ============================================
   MODALS
   ============================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--text-light);
    padding: 2.5rem;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
    color: var(--text-dark);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-dark);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--secondary-color);
}

.modal-content h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.demo-placeholder {
    background: var(--light-bg);
    padding: 3rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1.5rem;
}

.demo-placeholder i {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.thank-you-content {
    text-align: center;
    padding: 2rem 0;
}

.thank-you-content i {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.thank-you-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.demo-content {
    width: 100%;
}

.demo-content video {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px;
}


/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ============================================
   SCROLL REVEAL
   ============================================ */

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--text-light);
        padding: 2rem;
        gap: 1rem;
        box-shadow: var(--shadow);
        z-index: 999;
    }

    .nav-menu.active {
        display: flex;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stat h3 {
        font-size: 2rem;
    }

    .modal-content {
        padding: 1.5rem;
    }
}

/* ============================================
   DARK MODE ADJUSTMENTS
   ============================================ */

body.dark-mode {
    background: var(--dark-bg);
}

body.dark-mode .about,
body.dark-mode .products,
body.dark-mode .features,
body.dark-mode .cases {
    background: #1A1A1A;
}

body.dark-mode .product-card,
body.dark-mode .stat,
body.dark-mode .feature-item,
body.dark-mode .case-card {
    background: #2A2A2A;
    color: var(--text-light);
}

body.dark-mode .stat p,
body.dark-mode .feature-item p,
body.dark-mode .case-card p {
    color: var(--text-light);
}

body.dark-mode .modal-content {
    background: #2A2A2A;
    color: var(--text-light);
}

body.dark-mode .form-group input,
body.dark-mode .form-group textarea {
    background: #333333;
    color: var(--text-light);
}

body.dark-mode .form-group input::placeholder,
body.dark-mode .form-group textarea::placeholder {
    color: #999;
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

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

/* Lazy loading for images */
img[loading="lazy"] {
    background: var(--light-bg);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
/* ============================================
   NEW SECTIONS STYLES
   Demo, Roadmap, Investment
   ============================================ */

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-dark);
    opacity: 0.8;
    margin-bottom: 3rem;
    margin-top: -1.5rem;
}

/* ============================================
   DEMO SECTION
   ============================================ */

.demo {
    background: var(--light-bg);
}

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

.demo-item {
    background: var(--text-light);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.demo-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(26, 60, 94, 0.15);
}

.demo-placeholder {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 2px dashed var(--border-color);
}

.demo-placeholder i {
    font-size: 3rem;
    color: var(--secondary-color);
    display: block;
    margin-bottom: 1rem;
}

.demo-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.demo-item p {
    color: var(--text-dark);
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

/* ============================================
   ROADMAP SECTION
   ============================================ */

.roadmap {
    background: var(--text-light);
}

.roadmap-timeline {
    position: relative;
    padding: 2rem 0;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transform: translateX(-1px);
}

.roadmap-item {
    margin-bottom: 3rem;
    position: relative;
}

.roadmap-item:nth-child(odd) .roadmap-content {
    margin-left: 0;
    margin-right: auto;
    width: 45%;
    text-align: right;
}

.roadmap-item:nth-child(even) .roadmap-content {
    margin-left: auto;
    margin-right: 0;
    width: 45%;
    text-align: left;
}

.roadmap-marker {
    position: absolute;
    left: 50%;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 4px solid var(--text-light);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.roadmap-item.completed .roadmap-marker {
    background: var(--secondary-color);
    box-shadow: 0 0 0 8px rgba(139, 26, 26, 0.1);
}

.roadmap-item.active .roadmap-marker {
    background: var(--secondary-color);
    width: 24px;
    height: 24px;
    top: -4px;
    box-shadow: 0 0 0 12px rgba(139, 26, 26, 0.2);
}

.roadmap-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.roadmap-content p {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.roadmap-content ul {
    list-style: none;
    text-align: left;
    display: inline-block;
}

.roadmap-content li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    opacity: 0.8;
}

/* ============================================
   INVESTMENT SECTION
   ============================================ */

.investment {
    background: var(--light-bg);
}

.investment-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.investment-left h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.investment-reasons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.reason {
    background: var(--text-light);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.reason:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 30px rgba(26, 60, 94, 0.15);
}

.reason i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    display: block;
}

.reason h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.reason p {
    margin: 0;
    color: var(--text-dark);
    opacity: 0.8;
    font-size: 0.95rem;
}

.investment-box {
    background: var(--text-light);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary-color);
}

.investment-box h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.funding-round {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.funding-round:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.funding-round h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.funding-round p {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.funding-round ul {
    list-style: none;
    padding-left: 0;
}

.funding-round li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
    opacity: 0.8;
    font-size: 0.9rem;
}

.funding-round li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.investment-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2A5A8E 100%);
    color: var(--text-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 2rem;
}

.investment-cta h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.investment-cta p {
    color: var(--text-light);
    opacity: 0.95;
    margin-bottom: 1.5rem;
}

.product-status {
    display: inline-block;
    background: var(--light-bg);
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ============================================
   FORM SELECT STYLING
   ============================================ */

select {
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-dark);
    transition: var(--transition);
    cursor: pointer;
}

select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 26, 26, 0.3);
}

select option {
    background: var(--text-light);
    color: var(--text-dark);
}

/* ============================================
   DARK MODE ADJUSTMENTS
   ============================================ */

body.dark-mode .demo-item,
body.dark-mode .investment-box,
body.dark-mode .reason {
    background: #2A2A2A;
    color: var(--text-light);
}

body.dark-mode .demo-placeholder {
    background: #333333;
    border-color: #444444;
}

body.dark-mode .reason p,
body.dark-mode .demo-item p {
    color: var(--text-light);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 1024px) {
    .roadmap-timeline::before {
        display: none;
    }

    .roadmap-item:nth-child(odd) .roadmap-content,
    .roadmap-item:nth-child(even) .roadmap-content {
        width: 100%;
        text-align: left;
        margin-left: 0;
        margin-right: 0;
    }

    .roadmap-marker {
        left: 0;
        transform: translateX(0);
    }

    .investment-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .demo-grid {
        grid-template-columns: 1fr;
    }

    .investment-reasons {
        grid-template-columns: 1fr;
    }

    .hero-badge {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }
}