/* ========================================
   SageGrid Marketing Website Styles
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Deep Teal + Amber */
    --color-primary: #0D4F4F;
    --color-primary-light: #1A6B6B;
    --color-primary-dark: #083838;
    --color-accent: #E5A84B;
    --color-accent-light: #F5C77A;
    --color-accent-dark: #C48A2D;
    
    /* Neutrals */
    --color-bg: #FAFAF8;
    --color-bg-alt: #F0F0EC;
    --color-bg-dark: #0A0A0A;
    --color-surface: #FFFFFF;
    --color-surface-dark: #141414;
    --color-border: #E0E0DC;
    --color-border-dark: #2A2A2A;
    
    /* Text */
    --color-text: #1A1A1A;
    --color-text-muted: #5A5A5A;
    --color-text-light: #8A8A8A;
    --color-text-inverse: #FAFAF8;
    
    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Sizing */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--color-text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
}

.btn-ghost:hover {
    background: var(--color-bg-alt);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 248, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

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

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

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

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-base);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(13, 79, 79, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(13, 79, 79, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-glow {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(229, 168, 75, 0.15) 0%, transparent 60%);
    filter: blur(60px);
}

.hero-content {
    max-width: 900px;
    padding: var(--space-4xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    animation: fadeSlideIn 0.6s ease forwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    margin-bottom: var(--space-xl);
    animation: fadeSlideIn 0.6s ease 0.1s forwards;
    opacity: 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
    animation: fadeSlideIn 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    animation: fadeSlideIn 0.6s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
    animation: fadeSlideIn 0.6s ease 0.4s forwards;
    opacity: 0;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sections */
.section {
    padding: var(--space-5xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(13, 79, 79, 0.08);
    color: var(--color-primary);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.section-title {
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
}

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

.problem-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.problem-card {
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.problem-icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.problem-icon svg {
    width: 100%;
    height: 100%;
}

.problem-card h3 {
    margin-bottom: var(--space-md);
}

.problem-card p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Solution Section */
.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.solution-content .section-tag {
    margin-bottom: var(--space-md);
}

.solution-content .section-title {
    margin-bottom: var(--space-lg);
}

.solution-text {
    font-size: 1.125rem;
    margin-bottom: var(--space-2xl);
}

.solution-features {
    list-style: none;
    margin-bottom: var(--space-2xl);
}

.solution-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.solution-features li:last-child {
    border-bottom: none;
}

.solution-features svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    margin-top: 2px;
}

.solution-features span {
    color: var(--color-text-muted);
}

.solution-features strong {
    color: var(--color-text);
}

/* Visual Card */
.visual-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.visual-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.visual-label {
    font-weight: 600;
}

.visual-badge {
    padding: var(--space-xs) var(--space-md);
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.visual-content {
    padding: var(--space-xl);
}

.estimate-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.estimate-label {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.estimate-value {
    font-weight: 500;
}

.estimate-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-lg) 0;
}

.estimate-result {
    text-align: center;
    padding: var(--space-xl) 0;
}

.result-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.result-range {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.result-low, .result-high {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.result-sep {
    color: var(--color-text-light);
}

.result-likely {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.result-likely strong {
    color: var(--color-accent-dark);
}

.estimate-timeline {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-lg);
}

.timeline-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.timeline-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    margin-bottom: var(--space-sm);
    overflow: hidden;
}

.timeline-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 4px;
    transition: width 1s ease;
}

.timeline-value {
    font-weight: 600;
    font-size: 0.9375rem;
}

/* Trust Section */
.section-trust {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    text-align: center;
}

.trust-title {
    color: var(--color-text-inverse);
    margin-bottom: var(--space-lg);
}

.trust-text {
    color: rgba(255,255,255,0.7);
    font-size: 1.125rem;
    margin-bottom: var(--space-3xl);
}

.trust-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
}

.trust-item {
    padding: var(--space-lg) var(--space-2xl);
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    font-weight: 500;
    color: rgba(255,255,255,0.8);
}

/* Waitlist Section */
.section-waitlist {
    background: var(--color-bg-alt);
}

.waitlist-card {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.waitlist-content {
    padding: var(--space-4xl);
}

.waitlist-title {
    margin-bottom: var(--space-lg);
}

.waitlist-text {
    font-size: 1.125rem;
    margin-bottom: var(--space-2xl);
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.waitlist-form input,
.waitlist-form select {
    padding: var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    transition: all var(--transition-fast);
}

.waitlist-form input:focus,
.waitlist-form select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-surface);
}

.waitlist-form input::placeholder {
    color: var(--color-text-light);
}

.waitlist-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--space-md);
}

.waitlist-visual {
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.grid-item {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-slow);
}

.grid-item.active {
    background: var(--color-accent);
    animation: gridPulse 3s ease-in-out infinite;
}

.grid-item:nth-child(3) { animation-delay: 0.5s; }
.grid-item:nth-child(5) { animation-delay: 1s; }
.grid-item:nth-child(8) { animation-delay: 1.5s; }
.grid-item:nth-child(11) { animation-delay: 2s; }
.grid-item:nth-child(15) { animation-delay: 2.5s; }

@keyframes gridPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.95); }
}

/* News Section */
.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.news-card {
    padding: var(--space-2xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.news-featured {
    grid-column: 1 / -1;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border: none;
}

.news-featured .news-title {
    color: var(--color-text-inverse);
    font-size: 1.75rem;
}

.news-featured .news-excerpt {
    color: rgba(255,255,255,0.7);
}

.news-featured .news-link {
    color: var(--color-accent-light);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.news-date {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.news-featured .news-date {
    color: rgba(255,255,255,0.6);
}

.news-tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(13, 79, 79, 0.08);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.news-featured .news-tag {
    background: rgba(255,255,255,0.2);
    color: var(--color-text-inverse);
}

.news-title {
    margin-bottom: var(--space-md);
}

.news-excerpt {
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.news-link {
    font-weight: 500;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.news-link:hover {
    color: var(--color-accent-dark);
}

/* CTA Section */
.section-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    text-align: center;
}

.cta-title {
    color: var(--color-text-inverse);
    margin-bottom: var(--space-lg);
}

.cta-text {
    color: rgba(255,255,255,0.7);
    font-size: 1.125rem;
    margin-bottom: var(--space-2xl);
}

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

.section-cta .btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.section-cta .btn-primary:hover {
    background: var(--color-accent-light);
}

.section-cta .btn-secondary {
    border-color: rgba(255,255,255,0.3);
    color: var(--color-text-inverse);
}

.section-cta .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

/* Footer */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-lg);
}

.footer-logo .logo-icon {
    color: var(--color-accent);
}

.footer-tagline {
    color: rgba(255,255,255,0.5);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.footer-column h4 {
    color: var(--color-text-inverse);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.footer-column a {
    display: block;
    color: rgba(255,255,255,0.6);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border-dark);
}

.footer-bottom p {
    color: rgba(255,255,255,0.4);
    font-size: 0.875rem;
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-surface-dark);
    border-radius: var(--radius-md);
    color: rgba(255,255,255,0.6);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .solution-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .solution-visual {
        order: -1;
    }
    
    .waitlist-card {
        grid-template-columns: 1fr;
    }
    
    .waitlist-visual {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
    
    .hero-subtitle br {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stat-divider {
        display: none;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-featured {
        grid-column: 1;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .problem-cards {
        grid-template-columns: 1fr;
    }
    
    .waitlist-content {
        padding: var(--space-2xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}