/* HELIOS ENERGY - Brand Colors */
:root {
    --primary-orange: #FF6B35;
    --primary-yellow: #FFB347;
    --dark-brown: #2C1810;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #e0e0e0;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

/* Header/Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.logo-icon::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--primary-yellow);
    border-radius: 50%;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-brown);
}

.logo-text span {
    font-weight: 300;
    color: var(--primary-orange);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-orange);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-brown) 0%, #4a2c1a 100%);
    color: var(--white);
    padding: 8rem 2rem 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-orange) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

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

.hero-tagline {
    font-size: 1.5rem;
    color: var(--primary-yellow);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.2rem;
    max-width: 800px;
    margin-bottom: 2rem;
    line-height: 1.8;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--primary-orange);
}

.btn-secondary:hover {
    background: var(--primary-orange);
    transform: translateY(-2px);
}

/* Section Styling */
section {
    padding: 5rem 2rem;
}

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

.section-subtitle {
    text-align: center;
    color: var(--primary-orange);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    font-weight: 600;
}

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

/* Who We Are */
.who-we-are {
    background: var(--light-gray);
}

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

.who-we-are-text h3 {
    font-size: 2rem;
    color: var(--dark-brown);
    margin-bottom: 1.5rem;
}

.who-we-are-text p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

.intersection-list {
    list-style: none;
    margin: 1.5rem 0;
}

.intersection-list li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-dark);
    font-weight: 500;
}

.intersection-list li::before {
    content: '☀';
    position: absolute;
    left: 0;
    color: var(--primary-orange);
}

.role-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid var(--primary-orange);
}

.role-box h4 {
    color: var(--primary-orange);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* What We Do */
.what-we-do {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 10px;
    transition: all 0.3s;
    border-top: 4px solid var(--primary-orange);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.service-card h4 {
    color: var(--dark-brown);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Why Helios */
.why-helios {
    background: linear-gradient(135deg, var(--dark-brown) 0%, #4a2c1a 100%);
    color: var(--white);
}

.why-helios .section-title {
    color: var(--white);
}

.why-helios .section-subtitle {
    color: var(--primary-yellow);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.benefit-item h4 {
    color: var(--primary-orange);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.benefit-item p {
    opacity: 0.9;
}

.closing-statement {
    text-align: center;
    margin-top: 3rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-yellow);
}

/* Vision & Purpose */
.vision-purpose {
    background: var(--light-gray);
}

.vision-purpose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.vision-box, .purpose-box {
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.vision-box h3, .purpose-box h3 {
    color: var(--primary-orange);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.vision-box p, .purpose-box p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.ecosystem-list {
    list-style: none;
    margin: 1.5rem 0;
}

.ecosystem-list li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
}

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

/* Service Offering */
.service-offering {
    background: var(--white);
}

.service-detail {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-orange);
}

.service-detail h3 {
    color: var(--dark-brown);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.service-detail h4 {
    color: var(--primary-orange);
    font-size: 1.2rem;
    margin: 1.5rem 0 1rem;
}

.service-detail p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.service-detail ul {
    list-style: none;
    margin: 1rem 0;
}

.service-detail ul li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
}

.service-detail ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-orange);
}

/* Our Approach */
.our-approach {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-yellow) 100%);
    color: var(--white);
}

.our-approach .section-title {
    color: var(--white);
}

.our-approach .section-subtitle {
    color: var(--dark-brown);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.approach-card {
    background: rgba(255,255,255,0.2);
    padding: 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    text-align: center;
}

.approach-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-brown);
}

.approach-card p {
    opacity: 0.95;
}

/* Footer */
footer {
    background: var(--dark-brown);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: var(--primary-orange);
}

.footer-tagline {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.footer-contact {
    margin: 2rem 0;
}

.footer-contact h4 {
    color: var(--primary-orange);
    margin-bottom: 1rem;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.2rem;
    }
    
    .who-we-are-content,
    .vision-purpose-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}