/* ============================================================
   KINÉ, PREV'ACTION - PREMIUM STYLESHEET
   Awwwards-inspired, calm, elegant, mobile-first design
   ============================================================ */

/* ==================== CSS CUSTOM PROPERTIES ==================== */
:root {
    /* Color Palette - Solid colors only, warm and professional */
    --color-bg: #F8F6F3;
    --color-bg-alt: #EFEBE6;
    --color-bg-dark: #2C3530;
    --color-bg-darker: #1E2421;
    
    --color-primary: #4A6B5D;
    --color-primary-light: #6B8F7D;
    --color-accent: #C4A98C;
    --color-accent-dark: #A88B6C;
    
    --color-text: #1A1A1A;
    --color-text-muted: #5A5A5A;
    --color-text-light: #F8F6F3;
    --color-text-light-muted: rgba(248, 246, 243, 0.7);
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Font Sizes - Fluid typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
    --text-sm: clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem);
    --text-base: clamp(0.9375rem, 0.875rem + 0.3vw, 1.0625rem);
    --text-lg: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1vw, 2rem);
    --text-3xl: clamp(2rem, 1.5rem + 2vw, 3rem);
    --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
    --text-5xl: clamp(3rem, 2.5rem + 3vw, 5rem);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Layout */
    --container-max: 1280px;
    --container-padding: clamp(1.25rem, 4vw, 2.5rem);
    --header-height: 80px;
    
    /* Borders & Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    
    --transition-fast: 150ms var(--ease-out-quart);
    --transition-base: 300ms var(--ease-out-expo);
    --transition-slow: 500ms var(--ease-out-expo);
    --transition-slower: 700ms var(--ease-out-expo);
}

/* ==================== RESET & BASE ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

/* Focus states */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* Links & Lists */
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

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

/* Buttons */
button {
    font-family: inherit;
    font-size: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

strong {
    font-weight: 600;
    color: var(--color-primary);
}

/* ==================== LAYOUT ==================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

section {
    padding: var(--space-4xl) 0;
}

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

/* Section Labels */
.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-label--light {
    color: var(--color-accent);
}

.section-title {
    font-size: var(--text-3xl);
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

.section-title--light {
    color: var(--color-text-light);
}

/* Language visibility */
.lang-en {
    display: none;
}

html[lang="en"] .lang-fr {
    display: none;
}

html[lang="en"] .lang-en {
    display: block;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

.btn--ghost {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text);
}

.btn--ghost:hover {
    background-color: var(--color-text);
    color: var(--color-text-light);
}

.btn--full {
    width: 100%;
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-bg);
    z-index: 1000;
    transition: height 400ms cubic-bezier(0.4, 0, 0.2, 1),
                background-color var(--transition-base), 
                box-shadow 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.header--scrolled {
    height: 70px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo__img {
    height: 58px;
    width: auto;
    transition: transform var(--transition-fast), height 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.header--scrolled .logo__img {
    height: 48px;
}

.logo:hover .logo__img {
    transform: scale(1.02);
}

/* Navigation */
.nav {
    display: none;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav__link:hover::after {
    width: 100%;
}

/* Header Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Language Switch */
.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.lang-switch__btn {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

.lang-switch__btn:hover {
    color: var(--color-text);
}

.lang-switch__btn.active {
    color: var(--color-primary);
}

.lang-switch__divider {
    width: 1px;
    height: 12px;
    background-color: var(--color-text-muted);
    opacity: 0.3;
}

/* Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    padding: 10px;
    z-index: 1001;
}

.menu-toggle__line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-fast);
    transform-origin: center;
}

.menu-toggle.active .menu-toggle__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.active .menu-toggle__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-bg);
    padding: calc(var(--header-height) + var(--space-2xl)) var(--container-padding) var(--space-2xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 999;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.mobile-menu__link {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 500;
    color: var(--color-text);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-bg-alt);
    transition: color var(--transition-fast), padding-left var(--transition-base);
}

.mobile-menu__link:hover {
    color: var(--color-primary);
    padding-left: var(--space-md);
}

.mobile-menu__contact {
    margin-top: auto;
    padding-top: var(--space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-menu__contact-link {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-xl);
    position: relative;
}

.hero__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.hero__text {
    order: 2;
}

.hero__badge {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.hero__title {
    margin-bottom: var(--space-lg);
}

.hero__title-line {
    display: block;
}

.hero__title-line--accent {
    color: var(--color-primary);
    font-style: italic;
}

.hero__description {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 540px;
    margin-bottom: var(--space-xl);
}

.hero__cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.hero__visual {
    order: 1;
}

.hero__image-wrapper {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
}

.hero__image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-lg);
}

.hero__image-accent {
    position: absolute;
    top: var(--space-sm);
    right: calc(var(--space-sm) * -1);
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.hero__scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding-top: var(--space-xl);
}

.hero__scroll span {
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background-color: var(--color-text-muted);
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: translateY(0); }
    100% { transform: translateY(200%); }
}

/* ==================== ABOUT SECTION ==================== */
.about {
    background-color: var(--color-bg);
}

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

.about__image-col {
    max-width: 100%;
    margin: 0 auto;
}

.about__image-wrapper {
    position: relative;
}

.about__image {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    object-position: center 20%;
    border-radius: var(--radius-lg);
}

.about__content {
    text-align: center;
}

.about__text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

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

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-bg-alt);
}

.about__stat {
    text-align: center;
}

.about__stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.about__stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ==================== KINESITHERAPIE SECTION ==================== */
.kine {
    background-color: var(--color-bg-dark);
    padding: var(--space-4xl) 0;
}

.kine__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.kine__intro {
    font-size: var(--text-lg);
    color: var(--color-text-light-muted);
    max-width: 640px;
    margin: 0 auto;
}

.kine__content-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin: var(--space-3xl) 0;
    align-items: center;
}

.kine__image-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.kine__image {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    will-change: transform;
    filter: contrast(1.25) brightness(1.08) saturate(1.1);
    -webkit-filter: contrast(1.25) brightness(1.08) saturate(1.1);
    -ms-interpolation-mode: bicubic;
}

.kine__description-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
}

.kine__description-text {
    font-size: var(--text-lg);
    color: var(--color-text-light-muted);
    line-height: 1.7;
    margin: 0 0 var(--space-md) 0;
    text-align: center;
}

.kine__description-text:last-child {
    margin-bottom: 0;
}

.kine__description-source {
    font-size: var(--text-sm);
    color: var(--color-text-light-muted);
    font-style: italic;
    margin: var(--space-md) 0 0 0;
    opacity: 0.8;
}

.kine__grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.kine__card {
    background-color: var(--color-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-base);
}

.kine__card:hover {
    transform: translateY(-4px);
}

.kine__card-icon {
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    background-color: transparent;
    border-radius: 0;
}

.kine__card-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-primary);
}

.kine__card-svg {
    width: 120px;
    height: auto;
    max-width: 100%;
    display: block;
}

.kine__card-title {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.kine__card-text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ==================== ATELIERS SECTION ==================== */
.ateliers {
    background-color: var(--color-bg);
}

.ateliers__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.ateliers__intro {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

.ateliers__grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Atelier Card */
.atelier-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.atelier-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.atelier-card--featured {
    background-color: var(--color-primary);
}

.atelier-card--featured .atelier-card__number,
.atelier-card--featured .atelier-card__title {
    color: var(--color-text-light);
}

.atelier-card--featured .atelier-card__toggle svg {
    stroke: var(--color-text-light);
}

.atelier-card--featured .atelier-card__content p {
    color: var(--color-text-light-muted);
}

.atelier-card__image-wrapper {
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    aspect-ratio: 16 / 10;
}

.atelier-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform var(--transition-slow);
}

.atelier-card:hover .atelier-card__image {
    transform: scale(1.08);
}

.atelier-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    background-color: var(--color-bg-alt);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.atelier-card--featured .atelier-card__body {
    background-color: var(--color-primary);
}

.atelier-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.atelier-card__header:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.atelier-card--featured .atelier-card__header:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.atelier-card__number {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-primary);
    opacity: 0.5;
}

.atelier-card__title {
    flex: 1;
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    margin: 0;
}

.atelier-card__toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.atelier-card__toggle svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-text);
    transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.atelier-card__toggle[aria-expanded="true"] svg {
    transform: rotate(45deg);
}

.atelier-card__content {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows 500ms cubic-bezier(0.4, 0, 0.2, 1),
                opacity 400ms cubic-bezier(0.4, 0, 0.2, 1),
                padding 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.atelier-card__content-inner {
    overflow: hidden;
}

.atelier-card__content.active {
    grid-template-rows: 1fr;
    opacity: 1;
    padding: 0 var(--space-lg) var(--space-xl);
}

.atelier-card__content p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* ==================== GALLERY SECTION ==================== */
.gallery {
    background-color: var(--color-bg-alt);
}

.gallery__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.gallery__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
}

.gallery__item {
    aspect-ratio: 16/10;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.gallery__placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.gallery__item:hover .gallery__placeholder {
    background-color: var(--color-bg-darker);
    transform: scale(1.02);
}

.gallery__placeholder span {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-light-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.6;
}

.gallery__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition-slow);
}

.gallery__item:hover .gallery__image {
    transform: scale(1.05);
}

/* ==================== WHY INVEST SECTION ==================== */
.why-invest {
    background-color: var(--color-bg-dark);
    padding: var(--space-4xl) 0;
}

.why-invest__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

/* Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion__item {
    border-bottom: 1px solid rgba(248, 246, 243, 0.1);
}

.accordion__item:last-child {
    border-bottom: none;
}

.accordion__header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    text-align: left;
    color: var(--color-text-light);
    transition: opacity var(--transition-fast);
}

.accordion__header:hover {
    opacity: 0.8;
}

.accordion__number {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    color: var(--color-accent);
    opacity: 0.6;
}

.accordion__title {
    flex: 1;
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 500;
    margin: 0;
}

.accordion__icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.accordion__icon svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-accent);
    transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion__header[aria-expanded="true"] .accordion__icon svg {
    transform: rotate(45deg);
}

.accordion__content {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows 500ms cubic-bezier(0.4, 0, 0.2, 1),
                opacity 400ms cubic-bezier(0.4, 0, 0.2, 1),
                padding 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion__content-inner {
    overflow: hidden;
}

.accordion__content.active {
    grid-template-rows: 1fr;
    opacity: 1;
    padding-bottom: var(--space-lg);
}

.accordion__content p {
    font-size: var(--text-sm);
    color: var(--color-text-light-muted);
    padding-left: calc(var(--space-md) + var(--text-lg));
    margin: 0;
}

/* ==================== NETWORK SECTION ==================== */
.network {
    background-color: var(--color-bg-alt);
    padding: var(--space-3xl) 0;
}

.network__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xl);
}

.network__logo {
    max-width: 200px;
    height: auto;
    border-radius: var(--radius-md);
}

.network__content {
    max-width: 640px;
}

.network__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.network__text {
    font-size: var(--text-base);
    color: var(--color-text-muted);
}

@media screen and (min-width: 768px) {
    .network__container {
        flex-direction: row;
        text-align: left;
        gap: var(--space-3xl);
    }
    
    .network__logo {
        max-width: 180px;
        flex-shrink: 0;
    }
}

/* ==================== INSTAGRAM SECTION ==================== */
.instagram {
    background-color: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.instagram::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 107, 93, 0.03) 0%, rgba(196, 169, 140, 0.03) 100%);
    pointer-events: none;
}

.instagram__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.instagram__text {
    text-align: center;
    max-width: 600px;
}

.instagram__description {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.instagram__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}

.instagram__link:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(74, 107, 93, 0.3);
}

.instagram__link svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

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

.instagram__qr-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.instagram__qr-card {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f8f6f3 100%);
    padding: var(--space-md);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: none;
    overflow: hidden;
    width: fit-content;
    margin: 0 auto;
}

.instagram__qr-card::before {
    content: none;
}

.instagram__qr-image {
    width: 240px;
    height: 240px;
    border-radius: var(--radius-md);
    position: relative;
    z-index: 1;
    display: block;
    max-width: 100%;
    object-fit: contain;
    background: var(--color-bg);
}

.instagram__qr-handle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 15px rgba(74, 107, 93, 0.3);
    transition: all var(--transition-base);
    margin-top: var(--space-sm);
}

.instagram__qr-handle:hover {
    background-color: var(--color-primary);
    transform: none;
    box-shadow: 0 4px 15px rgba(74, 107, 93, 0.3);
}

.instagram__qr-handle svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Instagram - Mobile adjustments */
@media screen and (max-width: 639px) {
    .instagram__qr-wrapper {
        width: 100%;
        align-items: center;
    }
    
    .instagram__qr-card {
        padding: var(--space-sm);
        width: fit-content;
        margin: 0 auto;
    }
    
    .instagram__qr-image {
        width: 200px;
        height: 200px;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .instagram__qr-handle {
        margin-top: var(--space-sm);
        width: fit-content;
    }
    
    .instagram__content {
        gap: var(--space-xl);
    }
    
    .instagram__visual {
        width: 100%;
        justify-content: center;
    }
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    background-color: var(--color-bg);
}

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

.contact__intro {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-fast), transform var(--transition-base);
}

.contact__item:not(.contact__item--static):hover {
    background-color: var(--color-bg-dark);
    transform: translateY(-2px);
}

.contact__item:not(.contact__item--static):hover .contact__item-icon {
    background-color: var(--color-primary);
}

.contact__item:not(.contact__item--static):hover .contact__item-icon svg {
    stroke: var(--color-text-light);
}

.contact__item:not(.contact__item--static):hover .contact__item-label,
.contact__item:not(.contact__item--static):hover .contact__item-value {
    color: var(--color-text-light);
}

.contact__item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: background-color var(--transition-fast);
}

.contact__item-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-primary);
    transition: stroke var(--transition-fast);
}

.contact__item-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact__item-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.contact__item-value {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

/* Contact Card */
.contact__visual {
    display: flex;
}

.contact__card {
    flex: 1;
    background-color: var(--color-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
}

.contact__card-title {
    font-size: var(--text-xl);
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.contact__card-text {
    font-size: var(--text-sm);
    color: var(--color-text-light-muted);
    margin-bottom: var(--space-xl);
}

.contact__card .btn--primary {
    background-color: var(--color-text-light);
    color: var(--color-primary);
}

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

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--color-bg-darker);
    padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer__brand {
    text-align: center;
}

.footer__logo {
    height: 56px;
    width: auto;
    margin: 0 auto var(--space-md);
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-text-light-muted);
    max-width: 280px;
    margin: 0 auto;
}

.footer__nav,
.footer__contact {
    text-align: center;
}

.footer__nav-title,
.footer__contact-title {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.footer__nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md) var(--space-lg);
}

.footer__nav-list a {
    font-size: var(--text-sm);
    color: var(--color-text-light-muted);
    transition: color var(--transition-fast);
}

.footer__nav-list a:hover {
    color: var(--color-text-light);
}

.footer__contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__contact-list a,
.footer__contact-list span {
    font-size: var(--text-sm);
    color: var(--color-text-light-muted);
    transition: color var(--transition-fast);
}

.footer__contact-list a:hover {
    color: var(--color-text-light);
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-lg);
    margin-top: var(--space-2xl);
    border-top: 1px solid rgba(248, 246, 243, 0.1);
    text-align: center;
}

.footer__copyright {
    font-size: var(--text-xs);
    color: var(--color-text-light-muted);
}

.footer__credit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--color-text-light-muted);
}

.footer__credit-logo {
    display: inline-flex;
    align-items: center;
    transition: opacity var(--transition-fast);
}

.footer__credit-logo:hover {
    opacity: 0.7;
}

.footer__agency-logo {
    height: 36px;
    width: auto;
    vertical-align: middle;
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-md);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 900;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-text-light);
}

/* ==================== EMAIL BUTTON ==================== */
.email-btn {
    position: fixed;
    bottom: var(--space-xl);
    left: var(--space-md);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    z-index: 900;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.email-btn:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-4px);
}

.email-btn svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-text-light);
}

/* ==================== LIGHTBOX ==================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 400ms cubic-bezier(0.4, 0, 0.2, 1),
                visibility 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__image {
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    transform: scale(0.9);
    opacity: 0;
    transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1),
                opacity 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox.active .lightbox__image {
    transform: scale(1);
    opacity: 1;
}

.lightbox__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.lightbox__close svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-text-light);
    stroke-width: 2;
}

/* ==================== RESPONSIVE - TABLET ==================== */
@media screen and (min-width: 640px) {
    /* Hero - restore portrait on tablet+ */
    .hero__cta {
        flex-direction: row;
    }
    
    .hero__image-wrapper {
        max-width: 280px;
    }
    
    .hero__image {
        aspect-ratio: 3/4;
        object-position: center center;
    }
    
    .hero__image-accent {
        top: var(--space-md);
        right: calc(var(--space-md) * -1);
    }
    
    /* About - restore portrait on tablet+ */
    .about__image-col {
        max-width: 240px;
    }
    
    .about__image {
        aspect-ratio: 3/4;
        object-position: center center;
    }
    
    /* Gallery - 2x4 grid on tablet */
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, 120px);
    }
    
    .gallery__item {
        aspect-ratio: unset;
    }
    
    /* Instagram - adjust QR code size on tablet */
    .instagram__qr-image {
        width: 260px;
        height: 260px;
    }
    
    /* Kine */
    .kine__content-grid {
        flex-direction: row;
        gap: var(--space-2xl);
        max-width: 800px;
        align-items: flex-start;
    }
    
    .kine__image {
        max-width: 300px;
    }
    
    .kine__description-col {
        text-align: left;
        justify-content: flex-start;
        align-items: flex-start;
    }
    
    .kine__description-text {
        text-align: left;
    }
    
    .kine__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .kine__card:last-child {
        grid-column: span 2;
    }
    
    /* Ateliers */
    .ateliers__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Footer */
    .footer__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }
    
    .footer__brand {
        text-align: left;
        grid-column: span 2;
    }
    
    .footer__logo {
        margin: 0 0 var(--space-md);
    }
    
    .footer__tagline {
        margin: 0;
    }
    
    .footer__nav,
    .footer__contact {
        text-align: left;
    }
    
    .footer__nav-list {
        justify-content: flex-start;
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer__bottom {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .footer__agency-logo {
        height: 40px;
    }
}

/* ==================== RESPONSIVE - DESKTOP ==================== */
@media screen and (min-width: 1024px) {
    :root {
        --header-height: 100px;
    }
    
    /* Navigation - Show desktop nav */
    .nav {
        display: block;
    }
    
    .menu-toggle,
    .mobile-menu {
        display: none;
    }
    
    /* Logo - Bigger on desktop */
    .logo__img {
        height: 75px;
    }
    
    .header--scrolled .logo__img {
        height: 65px;
    }
    
    /* Hero */
    .hero__content {
        flex-direction: row;
        align-items: center;
        gap: var(--space-4xl);
    }
    
    .hero__text {
        flex: 1;
        order: 1;
    }
    
    .hero__visual {
        flex: 0 0 auto;
        order: 2;
    }
    
    .hero__image-wrapper {
        max-width: 420px;
    }
    
    /* About */
    .about__grid {
        display: grid;
        grid-template-columns: 1fr 1.5fr;
        gap: var(--space-4xl);
        align-items: center;
    }
    
    .about__image-col {
        max-width: none;
        margin: 0;
    }
    
    .about__content {
        text-align: left;
    }
    
    .about__stats {
        justify-content: flex-start;
    }
    
    .about__stat {
        text-align: left;
    }
    
    /* Kine */
    /* Kine Content Grid - Two columns on desktop */
    .kine__content-grid {
        flex-direction: row;
        gap: var(--space-3xl);
        align-items: flex-start;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .kine__image-col {
        flex: 0 0 auto;
    }
    
    .kine__image {
        max-width: 340px;
    }
    
    .kine__description-col {
        text-align: left;
        justify-content: flex-start;
        align-items: flex-start;
    }
    
    .kine__description-text {
        text-align: left;
    }
    
    .kine__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .kine__card:last-child {
        grid-column: auto;
    }
    
    .kine__card {
        text-align: left;
    }
    
    .kine__card-icon {
        margin: 0 0 var(--space-lg);
    }
    
    .kine__card-svg {
        width: 140px;
    }
    
    /* Ateliers */
    .ateliers__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Gallery - Varied horizontal collage with perfect rectangle perimeter */
    .gallery__grid {
        grid-template-columns: repeat(12, 1fr);
        grid-template-rows: repeat(2, 160px);
    }
    
    .gallery__item {
        aspect-ratio: unset;
    }
    
    /* All horizontal rectangles with varied widths
       Layout (12 columns x 2 rows):
       Row 1: |---1---|---1---|---1---|--2--|--2--|--3--|--3--|--3--|--4--|--4--|--4--|--4--|
       Row 2: |--5--|--5--|--5--|---6---|---6---|---6---|---6---|--7--|--7--|--8--|--8--|--8--|
    */
    .gallery__item:nth-child(1) { grid-column: span 3; }
    .gallery__item:nth-child(2) { grid-column: span 2; }
    .gallery__item:nth-child(3) { grid-column: span 3; }
    .gallery__item:nth-child(4) { grid-column: span 4; }
    .gallery__item:nth-child(5) { grid-column: span 3; }
    .gallery__item:nth-child(6) { grid-column: span 4; }
    .gallery__item:nth-child(7) { grid-column: span 2; }
    .gallery__item:nth-child(8) { grid-column: span 3; }
    
    /* Instagram */
    .instagram__content {
        flex-direction: row;
        align-items: center;
        gap: var(--space-3xl);
        text-align: left;
        justify-content: center;
        max-width: 1080px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .instagram__text {
        flex: 1;
        text-align: left;
        max-width: 620px;
    }
    
    .instagram__visual {
        flex: 0 0 auto;
    }
    
    .instagram__qr-image {
        width: 260px;
        height: 260px;
    }
    
    /* Contact */
    .contact__grid {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: var(--space-4xl);
        align-items: start;
    }
    
    /* Footer */
    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
    
    .footer__brand {
        grid-column: auto;
    }
}

/* ==================== RESPONSIVE - LARGE DESKTOP ==================== */
@media screen and (min-width: 1280px) {
    /* Ateliers - 3 columns */
    .ateliers__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Gallery - larger items */
    .gallery__grid {
        grid-template-rows: repeat(2, 200px);
    }
}

/* ==================== ANIMATIONS ==================== */
/* Fade in up animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Elements with reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays */
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* ==================== ACCESSIBILITY ==================== */
/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .hero__scroll-line::after {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-text-muted: var(--color-text);
        --color-text-light-muted: var(--color-text-light);
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .header,
    .hero__scroll,
    .back-to-top,
    .btn {
        display: none;
    }
    
    section {
        padding: var(--space-xl) 0;
        page-break-inside: avoid;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        background-color: white;
        color: black;
    }
    
    .kine,
    .why-invest {
        background-color: white;
        color: black;
    }
}