/* ==========================================
   FEELSPACE SUPPORT WEBSITE - DESIGN SYSTEM
   Apple-inspired minimal aesthetic
   ========================================== */

/* ==========================================
   CSS VARIABLES & DESIGN TOKENS
   ========================================== */
:root {
    /* Colors - Indigo Primary */
    --primary: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;

    /* Neutrals */
    --white: #FFFFFF;
    --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;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;

    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-system);
    background-color: var(--white);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-lg);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    padding: calc(var(--space-2xl) + 80px) 0 var(--space-2xl);
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
    text-align: center;
    overflow: hidden;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--gray-900);
    margin-bottom: var(--space-lg);
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-block;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Visual - Phone Mockup */
.hero-visual {
    margin-top: var(--space-xl);
    display: flex;
    justify-content: center;
    perspective: 1000px;
    position: relative;
    min-height: 700px;
    align-items: center;
}

.phone-mockup {
    width: 320px;
    height: 650px;
    background: var(--gray-900);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #F9FAFB 0%, #FFFFFF 100%);
    border-radius: 32px;
    padding: var(--space-xl) var(--space-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mood-demo {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mood-greeting {
    font-size: 1rem;
    color: var(--gray-500);
    margin-bottom: var(--space-sm);
}

.mood-question {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.mood-options {
    display: flex;
    justify-content: space-around;
    gap: var(--space-xs);
}

.mood-btn {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.mood-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.mood-active {
    background: var(--primary);
    transform: scale(1.15);
    box-shadow: var(--shadow-lg);
}

/* Mood Chart */
.mood-chart {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-md);
}

.chart-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
    text-align: left;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 60px;
    gap: 6px;
}

.bar {
    flex: 1;
    background: var(--gray-200);
    border-radius: 4px;
    transition: all var(--transition-base);
    min-height: 8px;
}

.bar-active {
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 100%);
}

/* Quick Stats */
.quick-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--gray-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.stat-divider {
    width: 1px;
    height: 30px;
    background: var(--gray-200);
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all var(--transition-slow);
    backdrop-filter: blur(10px);
    border: 1px solid var(--gray-200);
}

.floating-badge.visible {
    opacity: 1;
}

.badge-icon {
    font-size: 1.5rem;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

/* Badge Positions */
.badge-1 {
    top: 15%;
    left: 5%;
    animation: float-1 4s ease-in-out infinite;
}

.badge-2 {
    top: 35%;
    right: 8%;
    animation: float-2 5s ease-in-out infinite;
}

.badge-3 {
    bottom: 30%;
    left: 8%;
    animation: float-3 4.5s ease-in-out infinite;
}

.badge-4 {
    bottom: 15%;
    right: 5%;
    animation: float-4 5.5s ease-in-out infinite;
}

@keyframes float-1 {

    0%,
    100% {
        transform: translateY(0px) translateX(0px);
    }

    50% {
        transform: translateY(-15px) translateX(5px);
    }
}

@keyframes float-2 {

    0%,
    100% {
        transform: translateY(0px) translateX(0px);
    }

    50% {
        transform: translateY(-20px) translateX(-5px);
    }
}

@keyframes float-3 {

    0%,
    100% {
        transform: translateY(0px) translateX(0px);
    }

    50% {
        transform: translateY(-18px) translateX(8px);
    }
}

@keyframes float-4 {

    0%,
    100% {
        transform: translateY(0px) translateX(0px);
    }

    50% {
        transform: translateY(-12px) translateX(-8px);
    }
}

/* Gradient Orbs */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    top: 10%;
    left: -5%;
    animation: orb-float-1 8s ease-in-out infinite;
}

.orb-2 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #818CF8 0%, #A78BFA 100%);
    bottom: 10%;
    right: -5%;
    animation: orb-float-2 10s ease-in-out infinite;
}

@keyframes orb-float-1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(20px, -30px) scale(1.1);
    }
}

@keyframes orb-float-2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-20px, 20px) scale(1.15);
    }
}

/* ==========================================
   SECTIONS COMMON STYLES
   ========================================== */
section {
    padding: calc(var(--space-3xl) * 0.85) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
    text-align: center;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--gray-600);
    text-align: center;
    max-width: 650px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.feature-card {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: var(--white);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 1rem;
}

/* ==========================================
   PRIVACY SECTION
   ========================================== */
.privacy {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
}

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

.privacy-text {
    opacity: 0;
    transform: translateX(-30px);
}

.privacy-text.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all var(--transition-slow);
}

.privacy-intro {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

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

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

.privacy-item-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.privacy-item-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.privacy-item-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

.privacy-visual {
    display: flex;
    justify-content: center;
    opacity: 0;
    transform: translateX(30px);
}

.privacy-visual.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all var(--transition-slow);
}

.privacy-shield {
    width: 300px;
    height: auto;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* ==========================================
   COMMUNITY SECTION
   ========================================== */
.community {
    background: var(--white);
}

.community-rooms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.room-card {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    opacity: 0;
    transform: scale(0.9);
}

.room-card.visible {
    opacity: 1;
    transform: scale(1);
}

.room-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.room-emoji {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.room-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.room-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.5;
}

.community-safety {
    background: var(--gray-50);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border-left: 4px solid var(--primary);
}

.community-safety h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.community-safety p {
    color: var(--gray-600);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

/* ==========================================
   DOWNLOAD SECTION
   ========================================== */
.download {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

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

.download-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
}

.download-badges {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.badge-placeholder {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
    transition: all var(--transition-base);
}

.badge-placeholder:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: var(--space-sm);
}

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

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

.footer-column h4 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--primary-light);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-lg);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
}

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

@media (max-width: 768px) {
    .nav-links {
        gap: var(--space-md);
    }

    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .hero {
        padding: calc(var(--space-2xl) + 60px) 0 var(--space-2xl);
    }

    .hero-visual {
        min-height: 600px;
    }

    /* Hide floating badges on mobile */
    .floating-badge {
        display: none;
    }

    /* Reduce orb size on mobile */
    .orb-1,
    .orb-2 {
        opacity: 0.08;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .phone-mockup {
        width: 280px;
        height: 570px;
    }

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

    .privacy-content {
        grid-template-columns: 1fr;
    }

    .privacy-visual {
        order: -1;
    }

    .community-rooms {
        grid-template-columns: 1fr;
    }

    .download-badges {
        flex-direction: column;
        align-items: center;
    }

    .badge-placeholder {
        width: 100%;
        max-width: 250px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 24px;
        --space-xl: 32px;
        --space-2xl: 48px;
        --space-3xl: 64px;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .phone-mockup {
        width: 260px;
        height: 530px;
        border-radius: 36px;
        padding: 10px;
    }

    .phone-screen {
        padding: var(--space-lg) var(--space-sm);
    }

    .mood-btn {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    .mood-question {
        font-size: 1.1rem;
    }

    .chart-bars {
        height: 50px;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .chart-title {
        font-size: 0.75rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }
}