/* ===================================
   TROPHIC LANDING PAGE STYLES
   Goldwire Games
   =================================== */

/* ===================================
   CSS VARIABLES - ECOSYSTEM COLORS
   =================================== */

:root {
    /* Arctic Ice - Blue & White */
    --arctic-primary: #2B5F7C;
    --arctic-secondary: #4A8AAE;
    --arctic-light: #D8E8F0;
    --arctic-white: #F5F9FB;
    
    /* Savanna - Yellow */
    --savanna-primary: #D4A017;
    --savanna-secondary: #E8B84E;
    --savanna-light: #F5E6B8;
    --savanna-accent: #8B6914;
    
    /* Amazon - Green */
    --amazon-primary: #2D5F3F;
    --amazon-secondary: #4A8F5E;
    --amazon-light: #B8D9C4;
    --amazon-accent: #1A3D28;
    
    /* Rockies/Temperate - Orange */
    --temperate-primary: #C66B3D;
    --temperate-secondary: #D98B5C;
    --temperate-light: #F0D5C4;
    --temperate-accent: #8B4513;
    
    /* Neutral Palette */
    --paper-white: #F9F7F4;
    --paper-cream: #F2EDE7;
    --charcoal: #2C2C2C;
    --ink-black: #1A1A1A;
    --soft-gray: #6B6B6B;
    --border-gray: #D4CFC7;
    
    /* Typography */
    --font-display: 'Libre Baskerville', serif;
    --font-body: 'Work Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --max-width: 1200px;
    --content-width: 800px;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--charcoal);
    background-color: var(--paper-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--ink-black);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    background: none;
}

/* ===================================
   SECTION 1: HERO
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--paper-cream) 0%, var(--paper-white) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    opacity: 0.08;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--amazon-primary) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--savanna-primary) 0%, transparent 50%),
        radial-gradient(circle at 60% 80%, var(--arctic-primary) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

/* Paper grain texture */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.01) 2px,
            rgba(0, 0, 0, 0.01) 4px
        );
    pointer-events: none;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 700px;
    opacity: 0;
    animation: fadeInUp 1.2s ease-out 0.3s forwards;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-weight: 300;
    color: var(--soft-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--paper-white);
    background: var(--amazon-primary);
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(45, 95, 63, 0.15);
}

.cta-button:hover {
    background: var(--amazon-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 95, 63, 0.25);
}

.cta-button:active {
    transform: translateY(0);
}

/* ===================================
   SECTION 2: ECOSYSTEM DIVERSITY
   =================================== */

.ecosystems {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--paper-white);
}

.ecosystems-intro {
    text-align: center;
    max-width: var(--content-width);
    margin: 0 auto var(--spacing-lg);
}

.ecosystems-statement {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--charcoal);
    line-height: 1.6;
    font-style: italic;
    opacity: 0;
    animation: fadeIn 1s ease-out 0.2s forwards;
}

.ecosystem-bands {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ecosystem-band {
    position: relative;
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.4s ease;
    border-bottom: 1px solid var(--border-gray);
    opacity: 0;
    transform: translateY(20px);
}

.ecosystem-band:last-child {
    border-bottom: none;
}

/* Staggered fade-in animation */
.ecosystem-band:nth-child(1) { animation: fadeInUp 0.8s ease-out 0.2s forwards; }
.ecosystem-band:nth-child(2) { animation: fadeInUp 0.8s ease-out 0.4s forwards; }
.ecosystem-band:nth-child(3) { animation: fadeInUp 0.8s ease-out 0.6s forwards; }
.ecosystem-band:nth-child(4) { animation: fadeInUp 0.8s ease-out 0.8s forwards; }
.ecosystem-band:nth-child(5) { animation: fadeInUp 0.8s ease-out 1s forwards; }

.band-content {
    flex: 1;
}

.ecosystem-name {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    transition: color 0.3s ease;
}

.ecosystem-phrase {
    font-size: 1.1rem;
    color: var(--soft-gray);
    font-weight: 300;
}

.band-illustration {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

/* Ecosystem-specific colors */
.ecosystem-band.arctic {
    background: linear-gradient(90deg, transparent 0%, rgba(216, 232, 240, 0.2) 100%);
}
.ecosystem-band.arctic .ecosystem-name { color: var(--arctic-primary); }
.ecosystem-band.arctic .band-illustration {
    background: radial-gradient(circle, var(--arctic-light) 0%, var(--arctic-secondary) 100%);
}

.ecosystem-band.savanna {
    background: linear-gradient(90deg, transparent 0%, rgba(245, 230, 184, 0.2) 100%);
}
.ecosystem-band.savanna .ecosystem-name { color: var(--savanna-primary); }
.ecosystem-band.savanna .band-illustration {
    background: radial-gradient(circle, var(--savanna-light) 0%, var(--savanna-secondary) 100%);
}

.ecosystem-band.amazon {
    background: linear-gradient(90deg, transparent 0%, rgba(184, 217, 196, 0.2) 100%);
}
.ecosystem-band.amazon .ecosystem-name { color: var(--amazon-primary); }
.ecosystem-band.amazon .band-illustration {
    background: radial-gradient(circle, var(--amazon-light) 0%, var(--amazon-secondary) 100%);
}

.ecosystem-band.rockies,
.ecosystem-band.temperate {
    background: linear-gradient(90deg, transparent 0%, rgba(240, 213, 196, 0.2) 100%);
}
.ecosystem-band.rockies .ecosystem-name,
.ecosystem-band.temperate .ecosystem-name { 
    color: var(--temperate-primary); 
}
.ecosystem-band.rockies .band-illustration,
.ecosystem-band.temperate .band-illustration {
    background: radial-gradient(circle, var(--temperate-light) 0%, var(--temperate-secondary) 100%);
}

.ecosystem-band:hover {
    transform: translateX(8px);
}

.ecosystem-band:hover .band-illustration {
    opacity: 1;
}

/* ===================================
   SECTION 3: WHAT IS TROPHIC
   =================================== */

.about {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--paper-cream);
}

.about-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.about-feature {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.about-feature:nth-child(1) { animation-delay: 0.2s; }
.about-feature:nth-child(2) { animation-delay: 0.4s; }
.about-feature:nth-child(3) { animation-delay: 0.6s; }

.about-feature h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--amazon-primary);
}

.about-feature p {
    color: var(--charcoal);
    line-height: 1.8;
}

.muted-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    color: var(--soft-gray);
    font-size: 0.95rem;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.muted-link:hover {
    border-bottom-color: var(--soft-gray);
}

/* ===================================
   SECTION 4: GOLDWIRE GAMES MISSION
   =================================== */

.mission {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--paper-white);
}

.mission-content {
    max-width: var(--content-width);
    margin: 0 auto;
    text-align: center;
}

.mission-statement {
    font-size: 1.6rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--ink-black);
}

.mission-detail {
    font-size: 1.1rem;
    color: var(--charcoal);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

/* ===================================
   SECTION 5: EMAIL SIGNUP
   =================================== */

.signup {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--amazon-accent) 0%, var(--amazon-primary) 100%);
    color: var(--paper-white);
}

.signup-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.signup-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--paper-white);
    margin-bottom: var(--spacing-sm);
}

.signup-text {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.signup-form {
    width: 100%;
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

#email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid transparent;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--charcoal);
    transition: all 0.3s ease;
}

#email-input:focus {
    outline: none;
    border-color: var(--paper-white);
    background: white;
}

#email-input::placeholder {
    color: var(--soft-gray);
}

.submit-button {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--amazon-primary);
    background: var(--paper-white);
    border-radius: 4px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-button:hover {
    background: var(--paper-cream);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.submit-button:active {
    transform: translateY(0);
}

.form-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   SECTION 6: FOOTER
   =================================== */

.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--ink-black);
    color: var(--paper-cream);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    font-size: 1.3rem;
    color: var(--paper-white);
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--soft-gray);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: var(--paper-cream);
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--amazon-secondary);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.footer-links a {
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--amazon-secondary);
}

.footer-divider {
    color: var(--soft-gray);
}

.footer-legal {
    text-align: center;
    font-size: 0.85rem;
    color: var(--soft-gray);
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 768px) {
    .hero {
        min-height: 90vh;
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-button {
        padding: 0.9rem 2rem;
        font-size: 1rem;
    }
    
    .ecosystems {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .ecosystems-statement {
        font-size: 1.1rem;
    }
    
    .ecosystem-band {
        padding: var(--spacing-md) var(--spacing-sm);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .band-illustration {
        width: 60px;
        height: 60px;
        align-self: flex-end;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .footer-main {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .ecosystem-name {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--amazon-secondary);
    outline-offset: 2px;
}