/* ==========================================================================
   FPP New Homepage Styles
   Design System matching fpp.world/signature-seminars
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables / Design Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Premium, professional palette */
    --color-primary: #1a1a2e;
    --color-primary-light: #2d2d44;
    --color-accent: #c9a227;
    --color-accent-hover: #d4b23a;
    --color-text: #1a1a2e;
    --color-text-light: #5a5a6e;
    --color-text-muted: #8a8a9a;
    --color-background: #ffffff;
    --color-background-alt: #f8f9fa;
    --color-background-dark: #1a1a2e;
    --color-border: #e5e7eb;
    --color-border-light: #f0f1f3;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Spacing - Balanced for readability */
    --space-xs: 0.3rem;
    --space-sm: 0.5rem;
    --space-md: 1.15rem;
    --space-lg: 1.5rem;
    --space-xl: 1.75rem;
    --space-2xl: 2.25rem;
    --space-3xl: 3rem;
    --space-4xl: 3.5rem;
    --space-5xl: 4.5rem;
    
    /* Layout - 20% wider for better readability */
    --container-max: 1440px;
    --container-narrow: 960px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* 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 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::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-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

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

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--space-md);
}

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

section {
    padding: var(--space-3xl) 0;
}

.centered {
    text-align: center;
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

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

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

.btn-text {
    background: none;
    border: none;
    padding: var(--space-sm) 0;
    color: var(--color-primary);
    font-weight: 500;
}

.btn-text:hover {
    color: var(--color-accent);
}

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

.btn-nav {
    padding: var(--space-sm) var(--space-lg);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

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

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    padding-top: calc(72px + var(--space-3xl));
    padding-bottom: var(--space-3xl);
    background: linear-gradient(180deg, var(--color-background-alt) 0%, var(--color-background) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.hero-tagline {
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero-headline {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.hero-subheadline {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.section-title.centered {
    margin-bottom: var(--space-2xl);
}

.section-cta {
    margin-top: var(--space-2xl);
}

.section-cta.centered {
    text-align: center;
}

.section-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Quality Positioning Section
   -------------------------------------------------------------------------- */
.quality-positioning {
    background-color: var(--color-background);
    padding: var(--space-3xl) 0;
}

.quality-positioning .section-content {
    max-width: 960px;
}

/* --------------------------------------------------------------------------
   Solutions Overview Section
   -------------------------------------------------------------------------- */
.solutions-overview {
    background-color: var(--color-background-alt);
    padding: var(--space-3xl) 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

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

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

.solution-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.solution-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.solution-intro {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.solution-list {
    margin-bottom: var(--space-xl);
}

.solution-list li {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

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

.badge {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    background-color: var(--color-accent);
    color: var(--color-background);
    border-radius: 4px;
    margin-left: var(--space-sm);
}

.solution-subtitle {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: 400;
    margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Trust Section
   -------------------------------------------------------------------------- */
.trust-section {
    background-color: var(--color-background);
    padding: var(--space-3xl) 0;
}

.logo-strip {
    margin-top: var(--space-2xl);
    text-align: center;
}

.logo-strip-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xl);
}

.logo-strip-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-lg);
    align-items: center;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    background-color: var(--color-background-alt);
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.media-gallery {
    margin-top: var(--space-2xl);
    text-align: center;
}

.media-gallery-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xl);
}

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

.gallery-item {
    aspect-ratio: 16 / 10;
}

/* --------------------------------------------------------------------------
   Media Placeholders
   -------------------------------------------------------------------------- */
.media-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background-color: var(--color-background-alt);
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    min-height: 200px;
}

.placeholder-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
}

.placeholder-dimensions {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.hero-media-placeholder {
    min-height: 400px;
}

/* --------------------------------------------------------------------------
   Differentiation Section
   -------------------------------------------------------------------------- */
.differentiation-section {
    background-color: var(--color-background-alt);
    padding: var(--space-3xl) 0;
}

.differentiation-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

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

.differentiation-list {
    margin-top: var(--space-2xl);
}

.differentiation-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: var(--color-primary);
    color: var(--color-background);
    border-radius: 50%;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
    margin-top: 2px;
}

.differentiation-media-placeholder {
    min-height: 350px;
}

/* --------------------------------------------------------------------------
   Final CTA Section
   -------------------------------------------------------------------------- */
.final-cta {
    background-color: var(--color-background-dark);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.final-cta .section-title {
    color: var(--color-background);
}

.final-cta .section-text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
}

.final-cta .btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
}

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

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-primary);
    padding: var(--space-2xl) 0 var(--space-xl);
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-brand .logo-text {
    color: var(--color-background);
    margin-bottom: var(--space-md);
    display: block;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

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

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

.footer-column ul li {
    margin-bottom: var(--space-sm);
}

.footer-column a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.9);
    transition: opacity 0.3s ease;
}

.footer-social a:hover {
    opacity: 0.7;
}

.footer-social svg {
    width: 24px;
    height: 24px;
}

.footer-social .tsw-link {
    display: flex;
    align-items: center;
}

.footer-social .tsw-link img {
    vertical-align: middle;
    display: block;
}

.footer-social .tsw-link:hover {
    opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

/* Tablet and below */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .logo-strip-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile landscape and tablet portrait */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-3xl: 1.5rem;
        --space-5xl: 3.5rem;
        --space-4xl: 3rem;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        flex-direction: column;
        padding: var(--space-xl);
        border-bottom: 1px solid var(--color-border);
        gap: var(--space-md);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-media-placeholder {
        min-height: 280px;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .differentiation-section .container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .differentiation-visual {
        order: -1;
    }
    
    .media-gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-strip-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

/* Mobile portrait */
@media (max-width: 480px) {
    :root {
        --font-size-5xl: 1.75rem;
        --font-size-3xl: 1.375rem;
        --font-size-xl: 1.125rem;
        --space-5xl: 3rem;
        --space-4xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .solution-card {
        padding: var(--space-xl);
    }
    
    .differentiation-list li {
        font-size: var(--font-size-base);
    }
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* --------------------------------------------------------------------------
   Floating CTA Button
   -------------------------------------------------------------------------- */
.floating-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.floating-cta.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-cta a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #0E5BE0 0%, #3B82F6 100%);
    color: white;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(14, 91, 224, 0.4);
    transition: all 0.3s ease;
}

.floating-cta a:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(14, 91, 224, 0.5);
}

.floating-cta svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 768px) {
    .floating-cta {
        bottom: 1.5rem;
        right: 1.5rem;
    }
    .floating-cta a {
        padding: 0.875rem 1.25rem;
        font-size: 0.85rem;
    }
}