/* ==========================================
   Sayso Landing Page Styles
   Modern, Bold, Dark Mode Design
   ========================================== */

/* CSS Variables */
:root {
    --color-primary: #00D9FF;
    --color-primary-dark: #00B8D4;
    --color-primary-light: #33E0FF;
    --color-bg-dark: #0F172A;
    --color-bg-darker: #0A0F1E;
    --color-bg-card: #1E293B;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    --color-border: #334155;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 16px;
    
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 217, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--color-text-secondary);
}

.highlight {
    color: var(--color-primary);
    font-style: italic;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-medium);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
}

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

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

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.125rem;
}

.btn-small {
    padding: 10px 24px;
    font-size: 0.9rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.08) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.hero-logo {
    height: clamp(90px, 15vw, 180px);
    width: auto;
    display: inline-block;
    vertical-align: middle;
    margin: 0 8px;
    filter: drop-shadow(0 0 20px rgba(0, 217, 255, 0.4));
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 60px;
}

/* Problem Section */
.problem {
    background: var(--color-bg-darker);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.problem-card {
    background: var(--color-bg-card);
    padding: 32px;
    border-radius: var(--radius-large);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.problem-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-medium);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.problem-icon i {
    font-size: 1.75rem;
    color: var(--color-error);
}

.problem-card h3 {
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.problem-card p {
    font-size: 0.95rem;
}

/* Solution Section */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.solution-card {
    background: var(--color-bg-card);
    padding: 40px;
    border-radius: var(--radius-large);
    border: 2px solid var(--color-border);
    transition: all var(--transition-normal);
}

.solution-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.solution-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.solution-icon i {
    font-size: 2rem;
    color: var(--color-bg-dark);
}

.solution-card h3 {
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}

.feature-list i {
    color: var(--color-primary);
    font-size: 0.875rem;
}

/* How It Works Section */
.how-it-works {
    background: var(--color-bg-darker);
}

.steps {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 0;
    margin-top: 60px;
    align-items: center;
}

.step {
    grid-column: span 1;
    text-align: center;
    position: relative;
}

.step-connector {
    grid-column: span 1;
    height: 2px;
    background: var(--color-border);
    position: relative;
}

.step-connector::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 20px;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: all var(--transition-normal);
}

.step:hover .step-icon {
    border-color: var(--color-primary);
    background: rgba(0, 217, 255, 0.1);
}

.step-icon i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.step p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Features Grid Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.feature-card {
    background: var(--color-bg-card);
    padding: 32px;
    border-radius: var(--radius-large);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--color-text-primary);
}

.feature-card p {
    font-size: 0.95rem;
}

/* Beta Signup Section */
.beta-signup {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
}

.beta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.beta-signup .section-title {
    color: #FFFFFF;
}

.beta-signup .section-title .highlight {
    color: var(--color-bg-dark);
}

.beta-subtitle {
    font-size: 1.25rem;
    color: #FFFFFF;
    margin-bottom: 40px;
}

/* LaunchList Widget Styling */
.launchlist-widget {
    max-width: 600px;
    margin: 0 auto !important;
    display: block;
    text-align: center;
}

.launchlist-widget iframe,
.launchlist-widget > * {
    margin-left: auto !important;
    margin-right: auto !important;
    display: block;
}

.beta-form {
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.form-group input {
    flex: 1;
    min-width: 250px;
    padding: 18px 24px;
    border-radius: var(--radius-medium);
    border: 2px solid transparent;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-bg-dark);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-bg-dark);
    box-shadow: 0 0 0 4px rgba(15, 23, 42, 0.2);
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-bg-darker);
    margin-top: 12px;
}

.form-message {
    padding: 16px;
    border-radius: var(--radius-medium);
    margin-top: 20px;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-bg-darker);
}

.form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-bg-darker);
}

/* Footer */
.footer {
    background: var(--color-bg-darker);
    padding: 80px 0 40px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

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

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
}

.footer-tagline {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    font-style: italic;
}

.footer-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .step-connector {
        height: 40px;
        width: 2px;
        margin: 0 auto;
    }
    
    .step-connector::after {
        left: 50%;
        top: auto;
        bottom: 0;
        transform: translateX(-50%);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: var(--color-bg-dark);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 20px 24px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        box-shadow: var(--shadow-medium);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        display: block;
        padding: 12px 0;
        font-size: 1.125rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero-logo {
        height: clamp(75px, 12vw, 120px);
    }
    
    section {
        padding: 60px 0;
    }
    
    .problem-grid,
    .solution-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-group input {
        min-width: 100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .btn-large {
        padding: 16px 32px;
        font-size: 1rem;
    }
}