/* Apple-Style Homepage - Gestura */

:root {
    --primary-blue: #007AFF;
    --secondary-blue: #0051D5;
    --light-blue: #E6F3FF;
    --dark-blue: #003D82;
    --section-blue-1: #FFFFFF;
    --section-blue-2: #F8FBFF;
    --section-blue-3: #F0F8FF;
    --section-blue-4: #E6F3FF;
    --section-blue-5: #D6EBFF;
    
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-white: #FFFFFF;
    --text-on-blue: #FFFFFF;
    
    --background-white: #FFFFFF;
    --background-gray: #F5F5F7;
    
    --border-radius: 18px;
    --border-radius-large: 24px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-xxl: 120px;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-apple: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --navbar-height: 72px;
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-white);
    overflow-x: hidden;
}

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

/* =========================
   APPLE-STYLE NAVBAR
========================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition-apple);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-light);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    flex-shrink: 0;
}

.navbar-logo-img {
    height: 32px;
    width: auto;
    transition: var(--transition-apple);
}

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

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.navbar-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-apple);
    position: relative;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--spacing-xs);
}

.navbar-link:hover {
    color: var(--primary-blue);
    background: rgba(0, 122, 255, 0.05);
}

.navbar-link.active {
    color: var(--primary-blue);
    background: rgba(0, 122, 255, 0.1);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 18px;
    cursor: pointer;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-apple);
    transform-origin: center;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-apple);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    padding: var(--spacing-md);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-lg);
}

.mobile-logo {
    height: 32px;
    width: auto;
}

.mobile-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--spacing-xs);
    transition: var(--transition-apple);
}

.mobile-close-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.mobile-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu-link {
    display: block;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.125rem;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-apple);
}

.mobile-menu-link:hover {
    color: var(--primary-blue);
}

/* Scroll Progress */
.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--primary-blue);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s ease-out;
}

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

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--text-white);
    overflow: hidden;
    padding-top: var(--navbar-height);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

.gradient-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
}

.orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    filter: blur(40px);
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    bottom: -300px;
    left: -300px;
    animation-delay: 7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 20%;
    animation-delay: 14s;
}

@keyframes orbFloat {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    33% { 
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.6;
    }
    66% { 
        transform: translate(-20px, 20px) scale(0.9);
        opacity: 0.4;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo {
    margin-bottom: var(--spacing-lg);
}

.logo-image {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: var(--transition-apple);
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-description {
    margin-bottom: var(--spacing-xl);
}

.hero-description p {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    backdrop-filter: blur(20px);
    transition: var(--transition-apple);
    min-width: 120px;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--text-white);
}

.feature-item span {
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

/* =========================
   APPLE-STYLE TYPOGRAPHY
========================= */

.section-eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.lead-text {
    font-size: 1.375rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* =========================
   CONTENT SECTIONS
========================= */

.content-section {
    position: relative;
    padding: var(--spacing-xxl) 0;
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(60px);
}

.content-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-section {
    background: var(--section-blue-1);
}

.ethics-section {
    background: var(--section-blue-2);
}

.news-section {
    background: var(--section-blue-3);
}

.contact-section {
    background: var(--section-blue-4);
}

.section-content {
    max-width: 1000px;
    margin: 0 auto;
}

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

.section-body p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* Enhanced card interactions with simple hover effects */
.translation-item,
.value-card,
.timeline-item,
.contact-item {
    border-radius: var(--border-radius-large);
    background: var(--background-white);
    box-shadow: var(--shadow-light);
    transition: var(--transition-apple);
}

.translation-item:hover,
.value-card:hover,
.timeline-item:hover,
.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

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

.section-body p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

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

.content-main p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.translation-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--background-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition-apple);
}

.translation-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.translation-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
}

.translation-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.translation-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.partnership-info {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(0, 122, 255, 0.05);
    border-radius: var(--border-radius-large);
    border-left: 4px solid var(--primary-blue);
}

.partnership-info p {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin: 0;
}

/* =========================
   ETHICS SECTION
========================= */

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.value-card {
    padding: var(--spacing-lg);
    background: var(--background-white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition-apple);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.value-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md) auto;
}

.value-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.recognition-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(0, 122, 255, 0.05);
    border-radius: var(--border-radius-large);
    text-align: center;
}

.recognition-section p {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin: 0;
}

/* =========================
   NEWS SECTION
========================= */

.progress-timeline {
    margin: var(--spacing-xl) 0;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    background: var(--background-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition-apple);
    position: relative;
}

.timeline-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-medium);
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 31px;
    bottom: -24px;
    width: 2px;
    height: 24px;
    background: var(--primary-blue);
    opacity: 0.3;
}

.timeline-marker {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    background: var(--primary-blue);
    border-radius: 50%;
    margin-top: 6px;
    position: relative;
    z-index: 1;
}

.timeline-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.funding-update {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--border-radius-large);
    color: var(--text-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.funding-update::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0%, 100% { transform: translateX(-100%) rotate(45deg); }
    50% { transform: translateX(100%) rotate(45deg); }
}

.update-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.funding-update p {
    font-size: 1.125rem;
    margin: 0;
    position: relative;
    z-index: 1;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--background-white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    transition: var(--transition-apple);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-info a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-apple);
}

.contact-info a:hover {
    color: var(--secondary-blue);
    text-decoration: underline;
}

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

.footer {
    background: var(--section-blue-5);
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
    position: relative;
}

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

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    margin-bottom: var(--spacing-md);
}

.footer-logo-img {
    height: 40px;
    width: auto;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-nav-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-nav-list li {
    margin-bottom: var(--spacing-sm);
}

.footer-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-apple);
}

.footer-nav-link:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.footer-bottom .fas.fa-heart {
    color: #FF3B30;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    background: var(--primary-blue);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-medium);
    cursor: pointer;
    transition: var(--transition-apple);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-heavy);
}

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

@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 32px;
        --spacing-xl: 48px;
        --spacing-xxl: 80px;
    }
    
    .navbar-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-features {
        gap: var(--spacing-md);
    }
    
    .feature-item {
        min-width: 100px;
        padding: var(--spacing-sm);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .translation-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .feature-item {
        flex-direction: row;
        width: 100%;
        max-width: 200px;
        justify-content: flex-start;
    }
}

/* =========================
   ANIMATIONS & SCROLL EFFECTS
========================= */

[data-scroll-animation] {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-smooth);
}

[data-scroll-animation].animate {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .orb {
        animation: none;
    }
    
    .funding-update::before {
        animation: none;
    }
}