:root {
    --color-primary: #0092E0; /* Cyan/Blue standard of Solardup */
    --color-secondary: #0b1e36; /* Dark navy */
    --color-text: #333333;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --font-main: 'Outfit', sans-serif;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

/* Animations */
.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.fade-in.visible {
    opacity: 1;
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Topbar */
.topbar {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.85rem;
    padding: 8px 0;
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info span {
    margin-right: 15px;
}

.social-links a {
    margin-left: 15px;
}

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

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: padding var(--transition-speed);
    padding: 20px 0;
}

.header.scrolled {
    padding: 10px 0;
}

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

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    position: relative;
    padding: 5px 0;
}

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

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

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

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    transition: all var(--transition-speed);
}

/* Hero Section */
.hero {
    position: relative;
    height: 90vh;
    display: flex;
    align-items: center;
    color: var(--color-white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(11,30,54,0.85) 0%, rgba(11,30,54,0.4) 100%);
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--color-primary);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    font-weight: 300;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(0, 146, 224, 0.4);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background-color var(--transition-speed);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 146, 224, 0.6);
    background-color: #007bbd;
}

/* About Section */
.about {
    padding: 100px 0;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--color-secondary);
}

.about-text h2 span {
    color: var(--color-primary);
}

.about-text p {
    font-size: 1.15rem;
    margin-bottom: 25px;
    color: #444;
}

.features-list {
    margin-top: 30px;
}

.features-list li {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    position: relative;
    padding-left: 30px;
    color: var(--color-secondary);
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 800;
}

/* Stats Section */
.stats {
    background-color: var(--color-light);
    padding: 80px 0;
}

.stats-inner {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-box {
    flex: 1;
}

.stat-number {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--color-primary);
    display: inline-block;
}

.stat-suffix {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
}

.stat-box p {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-top: 5px;
}

/* Solutions Section */
.solutions {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.8rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.solution-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0,0,0,0.12);
}

.card-img {
    height: 250px;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.solution-card:hover .card-img img {
    transform: scale(1.08);
}

.card-content {
    padding: 35px 25px;
    text-align: center;
}

.card-content h3 {
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
}

.card-content p {
    color: #666;
}

/* Parallax Quote */
.quote {
    background-color: var(--color-secondary);
    padding: 150px 0;
    text-align: center;
    color: var(--color-white);
}

.quote h2 {
    font-size: 3.5rem;
    font-weight: 300;
}

.quote h2 .typing {
    color: var(--color-primary);
    font-weight: 600;
}

.cursor {
    animation: blink 1s infinite;
}

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

/* Footer */
.footer {
    background-color: #05101d;
    color: rgba(255,255,255,0.7);
    padding: 80px 0 20px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-logo h2 {
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: 15px;
}

.footer-logo p {
    max-width: 300px;
    font-size: 1.05rem;
}

.footer-contact h4 {
    color: var(--color-white);
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.footer-contact p {
    margin-bottom: 10px;
}

.footer-contact strong {
    color: var(--color-primary);
    font-size: 1.2rem;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        display: none;
    }
    .nav.active {
        display: flex;
    }
    .nav-links {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-content h1 {
        font-size: 3rem;
    }
    .stats-inner {
        flex-direction: column;
        gap: 40px;
    }
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        flex-direction: column;
        gap: 40px;
    }
    .topbar {
        display: none;
    }
}