/* ═══════════════════════════════════════════════════════════
   LAYOUT.CSS
   The grid, the flow, the bones
   - Base resets
   - Main content structure
   - Section and container systems
   - Grid layouts
   - Typography hierarchy
   - Buttons and cards
   - Footer and utilities
   - Responsive breakpoints
   
   Design philosophy:
   Establish the foundational structure that all content lives within
   ═══════════════════════════════════════════════════════════ */

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

html {
    overflow-x: hidden;
    scroll-padding-top: var(--header-height);
}

#booking-section,
#application-section {
    scroll-margin-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    padding-top: var(--header-height);
}

/* Decorative particles must not sit in document flow (they were creating bottom gap) */
.particle {
    display: none !important;
    position: fixed;
    pointer-events: none;
}

/* Main content area */
.main-content {
    flex: 1 0 auto;
    padding: var(--space-lg) 0 0;
}

/* Sections */
.page-section {
    padding: var(--space-xl) var(--space-md);
    margin-bottom: var(--space-lg);
}

/* No gray strip between last block and footer */
.main-content > :last-child {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

.main-content > .page-section:last-child {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

.main-content > .page-section:last-child .book-spread {
    margin-bottom: 0 !important;
    margin-top: 0;
}

.main-content > .page-section:last-child:has(.book-spread--fullbleed) {
    padding: 0 !important;
}

.main-content > .page-section:last-child .book-spread--fullbleed .book-page {
    min-height: 0;
}

.main-content > .page-section:last-child .page-content {
    min-height: 0 !important;
}

.main-content > .page-section:last-child .book-page {
    margin-bottom: 0 !important;
    min-height: 0 !important;
    transform: none !important;
}

.page-section--alt {
    background-color: rgba(255, 255, 255, 0.5);
}

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

.section-container--narrow {
    max-width: var(--container-narrow);
}

.section-container--medium {
    max-width: var(--container-medium);
}

.section-container--wide {
    max-width: var(--container-wide);
}

.section-container--wider {
    max-width: var(--container-wider);
}

.section-container--max {
    max-width: var(--container-max);
}

.section-container--full {
    max-width: var(--container-full);
    padding: 0;
}

/* Grid system */
.grid {
    display: grid;
    gap: var(--space-lg);
}

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

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .grid--2,
    .grid--3 {
        grid-template-columns: 1fr;
    }
}

/* Typography */
.title-primary {
    font-family: var(--font-serif);
    font-size: 2.75rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.title-section {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: var(--space-lg);
}

.title-subsection {
    font-family: var(--font-sans);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.text-intro {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.text-body {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    text-decoration: none;
    font-weight: 500;
    border: 1.5px solid var(--color-border);
    background: transparent;
    color: var(--color-text-primary);
    transition: all 0.2s ease;
    cursor: pointer;
}

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

.btn--gentle {
    border-radius: 8px;
    box-shadow: var(--shadow-gentle);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: var(--space-lg);
    transition: all 0.3s ease;
}

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

/* Media block */
.media-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.media-block__image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-gentle);
}

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

/* Onboarding flow */
.onboarding-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: var(--space-xl) 0;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-icon {
    width: 48px;
    height: 48px;
    background: rgba(107, 142, 168, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(107, 142, 168, 0.2);
}

.flow-arrow {
    color: var(--color-text-tertiary);
    font-size: 20px;
}

@media (max-width: 768px) {
    .flow-arrow {
        display: none;
    }
}

/* Band (full width) */
.band {
    width: 100%;
    background: rgba(255, 255, 255, 0.5);
    padding: var(--space-xl) 0;
}

.band__inner {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Footer */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 0.85rem 0;
    margin-top: 0;
    flex-shrink: 0;
}

.footer-container {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-md);
    text-align: center;
    color: var(--color-text-tertiary);
}

/* WhatsApp float */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 58px;
    height: 58px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-gentle);
    transition: all 0.2s ease;
    z-index: 100;
}

.whatsapp-float:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
}

/* Utility classes */
.text-center {
    text-align: center;
}

/* Scroll reveal animation */
.page-section {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.page-section:nth-child(1) { animation-delay: 0.1s; }
.page-section:nth-child(2) { animation-delay: 0.2s; }
.page-section:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Gentle pulse for buttons */
@keyframes gentlePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

/* ═══════════════════════════════════════════════════════════
   WIDTH CONTROL UTILITIES
   Add these classes to any component for flexible sizing
   ═══════════════════════════════════════════════════════════ */

/* Book page width variants */
.book-page--wide {
    min-width: var(--page-width-wide);
}

.book-spread--wide {
    max-width: var(--container-wider);
}

.book-spread--full {
    max-width: 100%;
    padding: 0 var(--space-md);
}

/* Article width variants */
.article-body--wide {
    max-width: var(--article-width-wide);
}

.article-body--full {
    max-width: 100%;
}

/* Page width utility classes - use on any container */
.width-narrow { max-width: var(--container-narrow); margin: 0 auto; }
.width-medium { max-width: var(--container-medium); margin: 0 auto; }
.width-wide { max-width: var(--container-wide); margin: 0 auto; }
.width-wider { max-width: var(--container-wider); margin: 0 auto; }
.width-max { max-width: var(--container-max); margin: 0 auto; }
.width-full { max-width: 100%; }

/* ═══════════════════════════════════════════════════════════
   COMPREHENSIVE MOBILE RESPONSIVENESS
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    :root {
        --space-xl: 2.5rem;
        --space-2xl: 3.5rem;
    }
    
    .main-content {
        padding: var(--space-md) 0 0;
    }
    
    .page-section {
        padding: var(--space-lg) var(--space-sm);
        margin-bottom: var(--space-md);
    }

    .main-content > .page-section:last-child {
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }

    .main-content > .page-section:last-child:has(.book-spread--fullbleed) {
        padding: 0 !important;
    }
    
    .section-container {
        padding: 0 var(--space-sm);
    }
    
    .title-primary {
        font-size: 2rem;
    }
    
    .title-section {
        font-size: 1.5rem;
    }
    
    .text-intro {
        font-size: 1.1rem;
    }
    
    /* Ensure images don't overflow */
    img {
        max-width: 100%;
        height: auto;
    }
}

/* Reduce vertical spacing between sections on large screens */
@media (min-width: 1024px) {
    .main-content {
        padding: var(--space-md) 0 0;
    }
    .page-section {
        padding: var(--space-lg) var(--space-md);
        margin-bottom: var(--space-md);
    }
    .main-content > .page-section:last-child {
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }
    .main-content > .page-section:last-child:has(.book-spread--fullbleed) {
        padding: 0 !important;
    }
}