/* CSS Variables */
:root {
    --orange-50: #fff7ed;
    --orange-100: #ffedd5;
    --orange-200: #fed7aa;
    --orange-300: #fdba74;
    --orange-400: #fb923c;
    --orange-500: #f97316;
    --orange-600: #ea580c;
    --orange-700: #c2410c;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--orange-600);
    text-decoration: none;
}

.logo span {
    color: var(--gray-800);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--orange-600);
}

.nav-buttons {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    display: inline-block;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--orange-500);
    color: var(--orange-600);
}

.btn-outline:hover {
    background: var(--orange-50);
}

.btn-primary {
    background: var(--orange-500);
    color: white;
}

.btn-primary:hover {
    background: var(--orange-600);
}

.btn-large {
    padding: 14px 28px;
    font-size: 1.05rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    margin: 6px 0;
    transition: 0.3s;
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu .nav-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
}

.mobile-menu .nav-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--orange-50) 0%, white 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--orange-500);
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-illustration {
    width: 100%;
    max-width: 500px;
    height: 400px;
    background: linear-gradient(135deg, var(--orange-400) 0%, var(--orange-600) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.3);
}

.hero-illustration svg {
    width: 200px;
    height: 200px;
    fill: white;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    padding: 32px;
    border-radius: 16px;
    background: var(--gray-50);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--orange-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--orange-600);
    fill: none;
    stroke-width: 2;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-600);
}

/* Organizations Section */
.organizations {
    padding: 100px 0;
    background: var(--gray-50);
}

.org-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.org-text {
    flex: 1;
}

.org-text h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 24px;
}

.org-text p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.org-list {
    list-style: none;
    margin-bottom: 32px;
}

.org-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--gray-700);
}

.org-list li svg {
    width: 24px;
    height: 24px;
    stroke: var(--orange-500);
    fill: none;
    stroke-width: 2;
    flex-shrink: 0;
}

.org-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.org-illustration {
    width: 100%;
    max-width: 450px;
    height: 350px;
    background: linear-gradient(135deg, var(--orange-300) 0%, var(--orange-500) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 16px 32px rgba(249, 115, 22, 0.25);
}

.org-illustration svg {
    width: 160px;
    height: 160px;
    fill: white;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-wrapper {
    display: flex;
    gap: 80px;
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 24px;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: var(--orange-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--orange-600);
    fill: none;
    stroke-width: 2;
}

.contact-item-text span {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.contact-item-text strong {
    color: var(--gray-800);
}

/* Contact Form */
.contact-form-wrapper {
    flex: 1;
}

.contact-form {
    background: var(--gray-50);
    padding: 40px;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: white;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234b5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
    cursor: pointer;
}

.form-group select:hover {
    border-color: var(--gray-300);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--orange-500);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

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

.form-submit {
    width: 100%;
}

/* Form Success Message */
.form-success {
    display: none;
    background: #dcfce7;
    border: 1px solid #86efac;
    color: #166534;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.form-success.show {
    display: block;
}

/* Footer */
footer {
    background: var(--gray-900);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    color: var(--orange-400);
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand .logo span {
    color: white;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.footer-links h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 16px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--orange-400);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 30px;
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Responsive - Tablet */
@media (max-width: 968px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero p {
        margin: 0 auto 32px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .org-content {
        flex-direction: column;
    }

    .contact-wrapper {
        flex-direction: column;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .nav-links,
    .nav-buttons {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2,
    .org-text h2,
    .contact-info h2 {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
    }

    .contact-form {
        padding: 24px;
    }
}