/* ============================================
   GAUGE Website - Design System
   Matching app's Tailor Design System
   ============================================ */

:root {
    /* Color Palette - Modern Gray Theme (Matching App) */
    --charcoal-dark: #1E1E1E;
    --slate-medium: #2A2A2A;
    --graphite-light: #404040;
    --cream: #F5F5DC;
    --ivory: #FFF8DC;
    --parchment: #FDF6E3;
    --gold: #D4AF37;
    --gold-light: #F4D03F;
    --gold-dark: #B8860B;
    --navy: #1A1A2E;
    --navy-light: #2E2E4A;
    --burgundy: #800020;
    --forest: #2D5016;
    --gray-light: #E8E8E8;
    --gray-medium: #A0A0A0;
    --gray-dark: #505050;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Legacy aliases (deprecated - use charcoal/slate/graphite instead) */
    --wood-dark: var(--charcoal-dark);
    --wood-medium: var(--slate-medium);
    --wood-light: var(--graphite-light);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-xxxl: 64px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-display: 48px;
    --font-size-h1: 36px;
    --font-size-h2: 28px;
    --font-size-h3: 24px;
    --font-size-body: 16px;
    --font-size-caption: 14px;
    --font-size-label: 12px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-round: 9999px;

    /* Shadows */
    --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--navy);
    background: linear-gradient(180deg, var(--charcoal-dark) 0%, #0D0D0D 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-h3);
    font-weight: 700;
    color: var(--cream);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.9;
}

.logo-image {
    height: 32px;
    width: auto;
    display: block;
    object-fit: contain;
}

/* Fallback if logo doesn't load */
.logo:not(:has(img))::before {
    content: '👔';
    font-size: 32px;
    margin-right: var(--spacing-sm);
}

.logo-text {
    letter-spacing: -0.5px;
}

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

.nav-links a {
    color: var(--cream);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-nav {
    background: var(--gold);
    color: var(--navy);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-round);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-nav::after {
    display: none;
}

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

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--cream);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding: 120px 0 var(--spacing-xxxl);
    background: linear-gradient(180deg, var(--charcoal-dark) 0%, #0D0D0D 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxxl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    color: var(--cream);
}

.hero-title {
    font-size: var(--font-size-display);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: var(--font-size-h3);
    color: var(--ivory);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--gold);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-round);
    color: var(--cream);
    font-size: var(--font-size-caption);
}

.badge-icon {
    font-size: 18px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.phone-frame {
    width: 300px;
    height: 600px;
    background: var(--slate-medium);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-large);
    border: 3px solid var(--gold);
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 32px;
    overflow: hidden;
    background: var(--charcoal-dark);
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-round);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-body);
}

.btn-primary {
    background: linear-gradient(90deg, var(--gold-light) 0%, var(--gold-dark) 100%);
    color: var(--navy);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
    background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 100%);
}

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

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--gold-light);
}

.btn-outline {
    background: transparent;
    color: var(--navy);
    border: 2px solid var(--slate-medium);
}

.btn-outline:hover {
    background: var(--slate-medium);
    color: var(--cream);
}

.btn-icon {
    font-size: 20px;
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: var(--spacing-xxxl) 0;
    background: var(--parchment);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxxl);
}

.section-title {
    font-size: var(--font-size-h1);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: var(--font-size-h3);
    color: var(--navy-light);
}

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

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-small);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-light);
    position: relative;
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-title {
    font-size: var(--font-size-h3);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

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

.feature-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--gold);
    color: var(--navy);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-label);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
    padding: var(--spacing-xxxl) 0;
    background: linear-gradient(180deg, var(--slate-medium) 0%, var(--charcoal-dark) 100%);
    color: var(--cream);
}

.how-it-works .section-title,
.how-it-works .section-subtitle {
    color: var(--cream);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxxl);
}

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gold);
    color: var(--navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-h2);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    color: var(--cream);
}

.step-title {
    font-size: var(--font-size-h2);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--cream);
}

.step-description {
    font-size: var(--font-size-body);
    color: var(--ivory);
    line-height: 1.6;
}

.step-image {
    width: 250px;
    height: 500px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-large);
    border: 2px solid var(--gold);
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing {
    padding: var(--spacing-xxxl) 0;
    background: var(--parchment);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    border: 2px solid var(--gray-light);
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-card.featured {
    border-color: var(--gold);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: var(--navy);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-round);
    font-size: var(--font-size-label);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.premium-badge-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-light);
}

.pricing-title {
    font-size: var(--font-size-h2);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    font-size: 48px;
    font-weight: 700;
    color: var(--navy);
}

.pricing-period {
    font-size: var(--font-size-body);
    color: var(--navy-light);
    font-weight: 400;
}

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

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--navy);
    font-size: var(--font-size-body);
}

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

/* ============================================
   Download Section
   ============================================ */

.download {
    padding: var(--spacing-xxxl) 0;
    background: linear-gradient(180deg, var(--charcoal-dark) 0%, #0D0D0D 100%);
    color: var(--cream);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxxl);
    align-items: center;
}

.download-title {
    font-size: var(--font-size-h1);
    font-weight: 700;
    color: var(--cream);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.download-subtitle {
    font-size: var(--font-size-h3);
    color: var(--ivory);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
}

.download-badge {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 200px;
}

.download-badge:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.app-store-badge {
    height: 60px;
    width: auto;
    display: block;
}


.download-note {
    color: var(--ivory);
    font-size: var(--font-size-caption);
    font-style: italic;
}

.download-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phones-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    transform: perspective(1000px) rotateY(5deg);
}

.phone-showcase {
    width: 200px;
    height: 400px;
    border-radius: 24px;
    border: 3px solid var(--gold);
    box-shadow: var(--shadow-large);
    object-fit: cover;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--charcoal-dark);
    color: var(--cream);
    padding: var(--spacing-xxxl) 0 var(--spacing-xl);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xxxl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-tagline {
    color: var(--ivory);
    font-size: var(--font-size-caption);
}

.footer-description {
    color: var(--ivory);
    font-size: var(--font-size-caption);
    line-height: 1.6;
    max-width: 400px;
    margin-top: var(--spacing-md);
    opacity: 0.9;
}

.footer-description strong {
    color: var(--gold);
    font-weight: 600;
}

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

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-heading {
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--cream);
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--ivory);
    text-decoration: none;
    font-size: var(--font-size-caption);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    color: var(--ivory);
    font-size: var(--font-size-caption);
}

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--charcoal-dark);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        width: 100%;
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    }

    .nav-links a::after {
        display: none;
    }

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

    .hero-content,
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        transform: none;
    }

    .phone-frame {
        width: 250px;
        height: 500px;
    }

    .step {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

    .step-image {
        margin: 0 auto;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .phones-showcase {
        flex-direction: column;
        transform: none;
    }

    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

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

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

    .download-buttons {
        align-items: center;
    }

    .download-badge {
        max-width: 180px;
    }

    .app-store-badge {
        height: 50px;
    }

    .logo-image {
        height: 28px;
    }
}