/* ==========================================================================
   ClimberIQ Styles
   ========================================================================== */

/* CSS Variables */
:root {
    /* Nordic/Mountaineering/Sunset Color Palette - ClimberIQ Brand */

    /* Primary - Deep Fjord Blue */
    --color-primary: #1E3A5F;
    --color-primary-dark: #152A45;
    --color-primary-light: #2D5A8A;

    /* Secondary - Sunset Orange/Amber */
    --color-secondary: #E07B39;
    --color-secondary-dark: #C4612A;
    --color-secondary-light: #F4976C;

    /* Accent - Nordic Aurora Teal */
    --color-accent: #2A9D8F;

    /* Sunset tones */
    --color-sunset-gold: #F2A93B;
    --color-sunset-rose: #D4726A;
    --color-sunset-purple: #6B4C7A;

    /* Semantic */
    --color-success: #2A9D8F;
    --color-warning: #F2A93B;
    --color-error: #D4726A;
    --color-info: #2D5A8A;

    /* Neutrals */
    --color-charcoal: #1C1C1E;
    --color-slate: #4A4A4C;
    --color-stone: #6B6B6D;
    --color-cloud: #F5F3F0;
    --color-snow: #FAFAF8;
    --color-white: #FFFFFF;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', Monaco, 'Courier New', monospace;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
}

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

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary-dark);
}

.link-primary {
    color: var(--color-primary);
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition-base);
}

.link-primary:hover {
    border-bottom-color: var(--color-primary);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-sunset-gold) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(224, 123, 57, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(224, 123, 57, 0.4);
    background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.nav-logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: var(--space-8);
}

.nav-links a {
    color: var(--color-charcoal);
    font-weight: 500;
    transition: color var(--transition-base);
}

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

.nav-cta {
    display: flex;
    gap: var(--space-4);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-charcoal);
    transition: all var(--transition-base);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-white);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--color-charcoal);
    font-weight: 500;
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

/* Hero Section */
.hero {
    padding: var(--space-20) 0;
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, rgba(224, 123, 57, 0.15) 80%, rgba(242, 169, 59, 0.1) 100%);
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    margin-bottom: var(--space-6);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
}

.hero-title {
    margin-bottom: var(--space-6);
    font-size: 3.5rem;
    line-height: 1.1;
    color: var(--color-white);
}

.hero-subtitle {
    margin-bottom: var(--space-8);
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-sunset-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--color-secondary);
    font-size: 0.875rem;
    margin-top: var(--space-2);
}

.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 600px;
}

.dashboard-preview {
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-cloud);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.preview-dots {
    display: flex;
    gap: var(--space-2);
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-slate);
    opacity: 0.3;
}

.preview-title {
    font-weight: 600;
    color: var(--color-slate);
}

.preview-content {
    padding: var(--space-6);
}

.metric-card {
    padding: var(--space-4);
    background: var(--color-cloud);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--color-slate);
    margin-bottom: var(--space-2);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.metric-trend {
    font-size: 0.875rem;
    margin-top: var(--space-2);
}

.metric-trend.positive {
    color: var(--color-success);
}

.chart-preview {
    margin-top: var(--space-4);
}

.mini-chart {
    width: 100%;
    height: auto;
}

@media (max-width: 1024px) {
    .hero-visual {
        position: static;
        transform: none;
        width: 100%;
        max-width: 100%;
        margin-top: var(--space-12);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-12) 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-slate);
}

/* Features Section */
.features {
    padding: var(--space-20) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.feature-card {
    padding: var(--space-8);
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(224, 123, 57, 0.3);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.1) 0%, rgba(224, 123, 57, 0.15) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.feature-title {
    margin-bottom: var(--space-4);
    font-size: 1.25rem;
}

.feature-description {
    color: var(--color-slate);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Demo Section */
.demo {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.05) 0%, rgba(224, 123, 57, 0.05) 100%);
}

.demo-container {
    max-width: 900px;
    margin: 0 auto;
}

.demo-search {
    display: grid;
    grid-template-columns: 2fr 2fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.demo-input {
    padding: var(--space-4);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.demo-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(224, 123, 57, 0.15);
}

.loading-state,
.error-state {
    text-align: center;
    padding: var(--space-16);
}

.loader {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    border: 4px solid rgba(224, 123, 57, 0.2);
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.results-container {
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
}

.error-state svg {
    margin-bottom: var(--space-6);
}

.error-state h3 {
    margin-bottom: var(--space-4);
    color: var(--color-error);
}

.error-state p {
    color: var(--color-slate);
    margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
    .demo-search {
        grid-template-columns: 1fr;
    }
}

/* Pricing Section */
.pricing {
    padding: var(--space-20) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-white);
    border: 2px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.pricing-card-popular {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 4px rgba(224, 123, 57, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-sunset-gold) 100%);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    margin-bottom: var(--space-6);
}

.pricing-plan {
    margin-bottom: var(--space-4);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.currency {
    font-size: 1.5rem;
    font-weight: 700;
}

.amount {
    font-size: 3.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.period {
    font-size: 1rem;
    color: var(--color-slate);
    margin-left: var(--space-2);
}

.pricing-description {
    color: var(--color-slate);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.pricing-features li {
    padding: var(--space-3) 0;
    color: var(--color-charcoal);
}

.pricing-enterprise {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-cloud);
    border-radius: var(--radius-lg);
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto var(--space-8);
    }
}

/* Contact Section */
.contact {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.05) 0%, rgba(224, 123, 57, 0.05) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.contact-info .section-title,
.contact-info .section-subtitle {
    text-align: left;
}

.contact-benefits {
    margin-top: var(--space-8);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    color: var(--color-charcoal);
}

.contact-form-container {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-weight: 600;
    color: var(--color-charcoal);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-4);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(224, 123, 57, 0.15);
}

.form-privacy {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-slate);
}

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-charcoal);
    color: var(--color-white);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-tagline {
    margin: var(--space-6) 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.footer-column h4 {
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.footer-column a {
    display: block;
    padding: var(--space-2) 0;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin: var(--space-2) 0;
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Tools Section - Homepage Tool Cards
   ========================================================================== */

.tools-section {
    padding: var(--space-20) 0;
    background: var(--color-cloud);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.tool-card {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-secondary);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-sunset-gold) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(224, 123, 57, 0.1) 0%, rgba(242, 169, 59, 0.1) 100%);
    border-radius: var(--radius-lg);
}

.tool-badge {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-sunset-gold) 100%);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tool-badge-new {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
}

.tool-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-4);
}

.tool-description {
    color: var(--color-slate);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.tool-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.tool-features li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-3);
    color: var(--color-slate);
    font-size: 0.9375rem;
}

.tool-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.tool-cta {
    margin-top: auto;
}

.tool-cta .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: var(--space-8);
    }

    .tool-badge {
        top: var(--space-4);
        right: var(--space-4);
    }
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: var(--space-4);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-8 {
    margin-bottom: var(--space-8);
}