/* ==========================================================================
   SunSpot Design System & Landing Page Styles
   getsunspot.com
   ========================================================================== */

:root {
    --primary: #2D5016;
    --primary-light: #4CAF50;
    --primary-dark: #1E380E;
    --primary-subtle: rgba(76, 175, 80, 0.12);
    
    --sun-gold: #F5A623;
    --sun-yellow: #F7DC6F;
    --sun-orange: #FF6B35;
    --sun-gradient: linear-gradient(135deg, #F5A623, #FF8C00);
    --gold-glow: rgba(245, 166, 35, 0.25);
    
    --bg-page: #FBFBEE;
    --bg-surface: #FFFFFF;
    --bg-card: rgba(255, 255, 255, 0.88);
    --bg-tertiary: #F2F4EC;
    
    --text-primary: #192014;
    --text-secondary: #586350;
    --text-muted: #83917B;
    
    --border-color: rgba(45, 80, 22, 0.08);
    --border-highlight: rgba(245, 166, 35, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(25, 32, 20, 0.04);
    --shadow-md: 0 8px 24px rgba(25, 32, 20, 0.07);
    --shadow-lg: 0 16px 40px rgba(25, 32, 20, 0.1);
    --shadow-glow: 0 0 30px rgba(245, 166, 35, 0.35);
    
    --container-max: 1200px;
    --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-page: #10150D;
        --bg-surface: #171E13;
        --bg-card: rgba(23, 30, 19, 0.88);
        --bg-tertiary: #1E2719;
        
        --text-primary: #F4F7F1;
        --text-secondary: #A8B5A1;
        --text-muted: #71806A;
        
        --border-color: rgba(255, 255, 255, 0.08);
        --border-highlight: rgba(245, 166, 35, 0.35);
        
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
        --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
        --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
    }
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--sun-gold);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------------- Navigation ---------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(251, 251, 238, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(16, 21, 13, 0.85);
    }
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 9px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 0;
    transition: var(--transition-smooth);
}

.menu-toggle:hover {
    background: var(--primary-subtle);
    border-color: var(--primary-light);
}

.hamburger-bar {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.menu-toggle.active .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active .hamburger-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(45, 80, 22, 0.25);
}

.btn-primary:hover {
    background: var(--primary-light);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.35);
}

.btn-gold {
    background: var(--sun-gradient);
    color: #FFFFFF;
    box-shadow: var(--shadow-glow);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 166, 35, 0.45);
    color: #FFFFFF;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-light);
    color: var(--primary-light);
    background: var(--primary-subtle);
}

/* ---------------- Hero Section ---------------- */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.18) 0%, rgba(76, 175, 80, 0.08) 50%, transparent 70%);
    z-index: 0;
    pointer-events: none;
    filter: blur(40px);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-subtle);
    border: 1px solid rgba(76, 175, 80, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.4rem;
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #F5A623 0%, #4CAF50 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.app-store-badge {
    height: 52px;
    transition: var(--transition-smooth);
}

.app-store-badge:hover {
    transform: scale(1.03);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ---------------- Hero Phone Mockup ---------------- */
.mockup-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-highlight);
    border-radius: 36px;
    padding: 16px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    max-width: 340px;
    width: 100%;
    position: relative;
}

.phone-screen {
    background: #171E13;
    border-radius: 26px;
    overflow: hidden;
    padding: 24px 20px;
    color: #FFFFFF;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.phone-heading-pill {
    background: rgba(245, 166, 35, 0.2);
    border: 1px solid rgba(245, 166, 35, 0.4);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #F5A623;
}

.phone-dial {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    border-radius: 50%;
    border: 2px dashed rgba(245, 166, 35, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.15) 0%, transparent 70%);
}

.phone-sun-icon {
    font-size: 2.8rem;
    animation: sunPulse 3s infinite ease-in-out;
}

@keyframes sunPulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px #F5A623); }
    50% { transform: scale(1.1); filter: drop-shadow(0 0 16px #FF8C00); }
}

.phone-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 16px;
}

.phone-metric-box {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 10px 12px;
}

.phone-metric-title {
    font-size: 0.7rem;
    color: #8E9B85;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.phone-metric-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-top: 2px;
}

/* ---------------- Interactive Simulator ---------------- */
.section {
    padding: 90px 0;
}

.section-alt {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.simulator-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-md);
}

.window-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}

.window-btn {
    padding: 16px 12px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.window-btn:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.window-btn.active {
    background: var(--primary-subtle);
    border-color: var(--primary-light);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.2);
}

.window-btn-icon {
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.window-btn-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.window-btn-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.simulator-results-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 32px;
}

.calc-stats-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 24px;
}

.calc-stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.calc-tier-badge {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--sun-gradient);
    color: #FFFFFF;
}

.calc-hours-big {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 6px;
}

.calc-hours-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.timeline-bar-wrapper {
    margin-top: 20px;
}

.timeline-bar-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

.timeline-bar {
    height: 12px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.timeline-bar-fill {
    height: 100%;
    background: var(--sun-gradient);
    border-radius: 6px;
    transition: width 0.4s ease;
}

/* Matching Plants Preview */
.matching-plants-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 24px;
}

.matching-plants-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.plant-mini-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.plant-mini-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.plant-mini-item:hover {
    transform: translateX(4px);
}

.plant-mini-img {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    object-fit: cover;
}

.plant-mini-info {
    flex: 1;
}

.plant-mini-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.plant-mini-latin {
    font-size: 0.75rem;
    font-style: italic;
    color: var(--text-secondary);
}

.plant-mini-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
    background: var(--primary-subtle);
    color: var(--primary-light);
}

/* ---------------- Features Grid ---------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(76, 175, 80, 0.3);
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
    background: var(--primary-subtle);
    color: var(--primary-light);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---------------- Plant Explorer ---------------- */
.search-bar-wrapper {
    max-width: 520px;
    margin: 0 auto 36px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 16px 20px 16px 48px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
    outline: none;
    transition: var(--transition-smooth);
}

.search-input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.15);
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    color: var(--text-muted);
}

.plant-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.plant-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.plant-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.plant-card-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.plant-card-body {
    padding: 16px;
}

.plant-card-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.plant-card-latin {
    font-size: 0.75rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.plant-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.badge-light {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(245, 166, 35, 0.15);
    color: #D97706;
}

.badge-pet {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(76, 175, 80, 0.15);
    color: #2D5016;
}

/* ---------------- FAQ ---------------- */
.faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.faq-question {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    margin-top: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---------------- CTA Banner ---------------- */
.cta-banner {
    background: linear-gradient(135deg, #2D5016 0%, #1E380E 100%);
    border-radius: var(--radius-lg);
    padding: 64px 40px;
    text-align: center;
    color: #FFFFFF;
    box-shadow: var(--shadow-lg);
    margin: 40px 0;
    position: relative;
    overflow: hidden;
}

.cta-title {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 580px;
    margin: 0 auto 32px;
}

/* ---------------- Footer ---------------- */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand-title {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-brand-desc {
    max-width: 320px;
    line-height: 1.6;
}

.footer-heading {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ---------------- Responsive ---------------- */
@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-description {
        margin: 0 auto 32px;
    }
    .hero-cta-group {
        justify-content: center;
    }
    .hero-trust {
        justify-content: center;
    }
    .simulator-results-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .plant-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-container {
        height: 62px;
        padding: 0 16px;
    }

    .brand {
        font-size: 1.15rem;
        gap: 8px;
    }

    .brand-icon {
        width: 32px;
        height: 32px;
        border-radius: 8px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 62px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 20px 20px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .nav-links.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-link {
        font-size: 1.05rem;
        font-weight: 600;
        padding: 14px 8px;
        border-bottom: 1px solid var(--border-color);
        display: block;
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .btn.nav-cta {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .hero {
        padding: 100px 0 60px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .window-selector {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .plant-cards-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}