/* ==================== CSS Variables ==================== */
:root {
    /* Colors from Shaffaf logo */
    --primary-dark: #1D3D47;      /* Dark blue from logo */
    --primary-main: #2A7C8A;      /* Main teal/blue */
    --primary-light: #5BA4AE;     /* Light teal */
    --accent-teal: #7BC5D3;       /* Accent teal */
    --accent-light: #B8E0E8;      /* Very light teal */
    
    /* Neutral colors */
    --background: #F8FAFB;
    --surface: #FFFFFF;
    --text-primary: #1A2B34;
    --text-secondary: #5A6C75;
    --text-muted: #8B9CA5;
    --border: #E1E8ED;
    --shadow: rgba(42, 124, 138, 0.08);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2A7C8A 0%, #5BA4AE 100%);
    --gradient-light: linear-gradient(135deg, #E6F3F5 0%, #F8FAFB 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== Navigation ==================== */
.navbar {
    background: var(--surface);
    box-shadow: 0 2px 12px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-icon {
    width: 180px;
    transition: var(--transition);
}

.logo-icon:hover {
    transform: scale(1.05);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 2px;
    font-family: 'Inter', sans-serif;
    text-shadow: 0 2px 4px rgba(29, 61, 71, 0.1);
    transition: var(--transition);
}

.logo:hover .logo-text {
    color: var(--primary-main);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary-main);
    border-radius: 3px;
    transition: var(--transition);
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    background: var(--gradient-light);
    padding: var(--spacing-2xl) 0 var(--spacing-2xl);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    min-height: 80vh;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.btn {
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(42, 124, 138, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(42, 124, 138, 0.35);
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-main);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.hero-image {
    position: relative;
    height: 500px;
}

.hero-card {
    position: absolute;
    background: white;
    border-radius: 16px;
    padding: var(--spacing-md);
    box-shadow: 0 8px 24px var(--shadow);
    transition: var(--transition);
}

.hero-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(42, 124, 138, 0.15);
}

.card-1 {
    top: 10%;
    left: 10%;
    width: 180px;
}

.card-2 {
    top: 45%;
    right: 5%;
    width: 200px;
}

.card-3 {
    bottom: 15%;
    left: 25%;
    width: 190px;
}

.card-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.card-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* ==================== Section Styles ==================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: var(--accent-light);
    color: var(--primary-main);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== About Section ==================== */
.about {
    background: var(--surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.about-text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: 500;
}

.feature-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    width: 100%;
    max-width: 400px;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
}

/* ==================== Mission Section ==================== */
.mission {
    background: var(--gradient-light);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.mission-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: 0 4px 16px var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.mission-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(42, 124, 138, 0.15);
}

.mission-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.mission-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.mission-text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.8;
}

.mission-cta {
    text-align: center;
    background: white;
    padding: var(--spacing-2xl);
    border-radius: 20px;
    box-shadow: 0 8px 32px var(--shadow);
}

.mission-cta-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.mission-cta-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ==================== Contact Section ==================== */
.contact {
    background: var(--surface);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-2xl);
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 32px var(--shadow);
    overflow: hidden;
}

.contact-info {
    padding: var(--spacing-2xl);
    background: var(--gradient-light);
}

.contact-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--shadow);
}

.contact-item-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-item-value {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: 600;
}

.contact-form-wrapper {
    padding: var(--spacing-2xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-textarea {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-main);
    box-shadow: 0 0 0 4px rgba(42, 124, 138, 0.1);
}

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

/* ==================== Footer ==================== */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    max-width: 400px;
}

.footer-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.footer-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.feature-check {
    color: var(--accent-teal);
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-heading {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-menu a:hover {
    color: white;
    padding-left: 8px;
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-icon {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-icon svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-main), var(--accent-teal));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 20px rgba(42, 124, 138, 0.4);
}

.social-icon:hover::before {
    opacity: 1;
}

.social-icon:hover svg {
    transform: scale(1.1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 968px) {
    .hero-content,
    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

    .hero-image {
        height: 300px;
        margin-top: var(--spacing-lg);
    }

    .hero-card {
        width: 140px !important;
        padding: var(--spacing-sm);
    }

    .card-1 {
        top: 5%;
        left: 5%;
    }

    .card-2 {
        top: 35%;
        right: 5%;
    }

    .card-3 {
        bottom: 10%;
        left: 15%;
    }

    .card-icon {
        font-size: var(--font-size-2xl);
    }

    .card-title {
        font-size: var(--font-size-base);
    }

    .nav-menu {
        display: none;
    }

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

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-description {
        max-width: 100%;
    }

    .social-icons {
        justify-content: flex-start;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: 100px 0 80px;
    }

    .hero-image {
        height: 250px;
    }

    .hero-card {
        width: 120px !important;
        padding: 10px;
    }

    .card-icon {
        font-size: var(--font-size-xl);
        margin-bottom: 6px;
    }

    .card-title {
        font-size: 0.875rem;
        margin-bottom: 4px;
    }

    .card-text {
        font-size: 0.75rem;
    }

    .card-1 {
        top: 0;
        left: 0;
    }

    .card-2 {
        top: 30%;
        right: 0;
    }

    .card-3 {
        bottom: 5%;
        left: 10%;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn {
        width: 100%;
    }

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

    .hero-title {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
    }

    .hero-description {
        font-size: var(--font-size-sm);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-description {
        font-size: var(--font-size-sm);
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .footer-brand {
        text-align: center;
    }

    .footer-description {
        text-align: center;
    }

    .footer-features {
        align-items: center;
    }

    .footer-links,
    .footer-social {
        text-align: center;
    }

    .footer-menu {
        align-items: center;
    }

    .social-icons {
        justify-content: center;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .mission-card {
        padding: var(--spacing-md);
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }
}

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

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