/**
 * Layout CSS - SkogSand
 * Structure générale des pages
 */

/* === HEADER === */

.site-header {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, #25190b 0%, #20160a 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.header-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: var(--space-4) var(--container-padding);
    gap: var(--space-6);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    min-height: 85px;
}

.site-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    flex-shrink: 0;
    grid-column: 2;
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: cover;
    object-position: center top;
}

.site-branding {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.site-title {
    font-family: var(--font-accent);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin: 0;
    line-height: 1.2;
}

.site-tagline {
    font-family: var(--font-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    text-transform: lowercase;
    letter-spacing: var(--letter-spacing-wide);
}

@media (min-width: 1200px) {
    .logo-image {
        height: 100px;
        width: 130px;
        object-fit: cover;
        object-position: center center;
    }
    
    .site-title {
        font-size: var(--font-size-3xl);
    }
}

/* === NAVIGATION === */

.site-nav {
    display: none;
    margin-top: 63px;
}

.site-nav-left .nav-list {
    justify-content: flex-end;
}

.site-nav-right .nav-list {
    justify-content: flex-start;
}

.nav-list {
    display: flex;
    gap: var(--space-3);
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-item {
    flex-shrink: 0;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.9);
    padding: var(--space-2);
    transition: color var(--transition-base);
    white-space: nowrap;
    display: inline-block;
    text-align: center;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

@media (min-width: 1200px) {
    .site-nav {
        display: block;
    }
    
    .site-nav-left {
        grid-column: 1;
    }
    
    .site-nav-right {
        grid-column: 3;
    }
    
    .mobile-menu-toggle {
        display: none !important;
    }
}

/* === MENU MOBILE === */

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
    grid-column: 3;
    justify-self: end;
}

@media (max-width: 1199px) {
    .header-container {
        grid-template-columns: 1fr auto auto;
    }
    
    .site-logo {
        grid-column: 2;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .site-nav {
        display: none;
    }
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

@media (min-width: 1200px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    background-color: #25190b;
    box-shadow: var(--shadow-2xl);
    padding: var(--space-20) var(--space-6);
    overflow-y: auto;
    transition: right var(--transition-slow);
    z-index: var(--z-modal);
    margin-top : 81px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-nav-list {
    list-style: none;
    margin: 0;
    margin-top : -80px;
}

.mobile-nav-item {
    margin-bottom: var(--space-4);
}

.mobile-nav-link {
    display: block;
    padding: var(--space-4);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: rgba(255, 255, 255, 0.9);
    border-bottom: var(--border-width-1) solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Cacher le menu mobile sur desktop */
@media (min-width: 1200px) {
    .mobile-menu {
        display: none !important;
    }
}

/* === SECTIONS === */

.section {
    padding: var(--space-16) 0;
}

.section-spacing {
    padding: var(--space-20) 0;
}

.section-light {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
}

.section-cream {
    background: linear-gradient(135deg, #F8F6F3 0%, #f3f0eb 100%);
}

.section-sand {
    background: linear-gradient(135deg, #E8E3DC 0%, #e3ded7 100%);
}

.section-dark {
    background-color: var(--bg-dark);
    color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
    color: var(--color-white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.9);
}

@media (min-width: 1200px) {
    .section {
        padding: var(--space-20) 0;
    }
    
    .section-spacing {
        padding: var(--space-24) 0;
    }
}

@media (min-width: 1200px) {
    .section {
        padding: var(--space-24) 0;
    }
    
    .section-spacing {
        padding: var(--space-32) 0;
    }
}

/* === SECTION TITRES === */

.section-title {
    font-size: var(--font-size-3xl);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--color-gray-600);
    max-width: 800px;
    margin: 0 auto var(--space-8);
    line-height: var(--line-height-relaxed);
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 1200px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

/* === HERO SECTION === */

.hero {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-gray-900);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Média de fond flouté en plein écran */
.hero-background-blur {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    filter: blur(20px);
    transform: scale(1.1);
    opacity: 0.8;
    z-index: 0;
}

/* Média principal net, centré */
.hero-background {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    /* Hauteur FIXE 400px, remplit toute la hauteur, bandes noires sur les côtés si trop étroit */
    height: 400px;
    width: auto;
    min-height: 400px;
    max-height: 400px;
    object-fit: cover;
    object-position: center center;
    z-index: 1;
    /* Masque dégradé sur les bords pour transition douce */
    -webkit-mask-image: linear-gradient(to right, 
        transparent 0%, 
        black 3%, 
        black 97%, 
        transparent 100%);
    mask-image: linear-gradient(to right, 
        transparent 0%, 
        black 3%, 
        black 97%, 
        transparent 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    padding: var(--space-8);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-family: var(--font-accent);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
}

@media (min-width: 1200px) {
    .hero {
        height: 400px;
    }
    
    .hero-background {
        height: 400px;
        max-height: 400px;
    }
    
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

@media (min-width: 1200px) {
    .hero {
        height: 400px;
    }
    
    .hero-background {
        height: 400px;
        max-height: 400px;
    }
}

/* === SPLIT SECTION === */

.split-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    align-items: center;
}

.split-section-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
}

.split-section-content {
    padding: var(--space-6) 0;
}

@media (min-width: 1200px) {
    .split-section {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-12);
    }
    
    .split-section.reverse {
        direction: rtl;
    }
    
    .split-section.reverse > * {
        direction: ltr;
    }
}

/* === GRILLES === */

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

@media (min-width: 1200px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.value-card {
    text-align: center;
    padding: var(--space-6);
}

.value-card h3 {
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.value-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* === SECTION POURQUOI (Style Gränsfors) === */

.why-section {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
}

.why-content {
    max-width: 1000px;
    margin: 0 auto;
}

.why-intro {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-gray-700);
    margin-bottom: var(--space-6);
}

.why-criteria {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-top: var(--space-16);
}

@media (min-width: 1200px) {
    .why-criteria {
        grid-template-columns: repeat(3, 1fr);
    }
}

.criteria-item {
    text-align: center;
}

.criteria-icon {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-6);
}

.criteria-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

.criteria-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

/* === CTA SECTION === */

.cta-section {
    background-color: var(--color-secondary);
    padding: var(--space-20) var(--container-padding);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.cta-text {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
}

/* === FOOTER === */

.site-footer {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (min-width: 1200px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.footer-section ul {
    list-style: none;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--space-3);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

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

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

/* === UTILITAIRES === */

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

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

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

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }