/* ==========================================================================
   Planet Elements — Global Stylesheet
   assets/css/main.css
   ========================================================================== */

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    /* Colors */
    --color-bg-light:    #fafaf9;    /* Primary light background */
    --color-bg-dark:     #1f1d1a;    /* Primary dark background */
    --color-bg-darkest:  #0e0d0c;    /* Deepest dark */
    --color-bg-warm:     #f3f0ec;    /* Warm off-white sections */
    --color-accent:      #31f7bd;    /* Primary CTA / accent green */
    --color-text-dark:   #0e0d0c;    /* Primary text on light bg */
    --color-text-light:  #fafaf9;    /* Primary text on dark bg */
    --color-text-muted:  #8f8b85;    /* Secondary / muted text */
    --color-text-subtle: #aeaaa4;    /* Subtle text, captions */
    --color-border-dark: #3b3832;    /* Border on dark sections */
    --color-border-light:#aeaaa4;    /* Border on light sections */
    --color-black:       #000000;
    --color-white:       #ffffff;

    /* Typography */
    --font-primary:   'Manrope', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --font-display:   'Inter Display', 'Inter', sans-serif;

    /* Font sizes */
    --text-xs:   12px;
    --text-sm:   14px;
    --text-base: 16px;
    --text-md:   18px;
    --text-lg:   22px;
    --text-xl:   28px;
    --text-2xl:  36px;
    --text-3xl:  58px;
    --text-4xl:  70px;

    /* Line heights */
    --leading-tight:   1.1em;
    --leading-snug:    1.2em;
    --leading-normal:  1.4em;
    --leading-relaxed: 1.5em;

    /* Letter spacing */
    --tracking-tight:   -0.02em;
    --tracking-tighter: -0.03em;
    --tracking-normal:  0;

    /* Border radius */
    --radius-sm:     8px;
    --radius-md:     10px;
    --radius-lg:     20px;
    --radius-pill:   33px;
    --radius-pill-lg:40px;

    /* Layout */
    --nav-height:       72px;
    --container-max:    1280px;
    --container-pad:    clamp(20px, 5vw, 80px);

    /* Transitions */
    --transition-base: 0.2s ease;
    --transition-slow: 0.4s ease;
}


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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: var(--text-base);
}

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

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

ul, ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* Focus visible — keyboard accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Selection color */
::selection {
    background-color: var(--color-accent);
    color: var(--color-bg-darkest);
}


/* ============================================================
   2. TYPOGRAPHY
   ============================================================ */

/* Headings — tight, modern with negative tracking */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: inherit;
}

/* Display headings use Inter Display */
h1 {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 7vw, var(--text-4xl));
    letter-spacing: var(--tracking-tighter);
}

h2 {
    font-size: clamp(var(--text-2xl), 4.5vw, 58px);
    letter-spacing: var(--tracking-tighter);
}

h3 {
    font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
}

h4 {
    font-size: clamp(var(--text-lg), 2.5vw, 28px);
}

h5 {
    font-size: var(--text-md);
}

h6 {
    font-size: var(--text-base);
}

/* Body text */
p {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: inherit;
}

/* Lead paragraph */
.lead {
    font-size: var(--text-md);
    line-height: var(--leading-normal);
    color: var(--color-text-muted);
}

/* Small text */
small,
.text-sm {
    font-size: var(--text-sm);
}

.text-xs {
    font-size: var(--text-xs);
}

/* Muted / subtle text */
.text-muted {
    color: var(--color-text-muted);
}

.text-subtle {
    color: var(--color-text-subtle);
}

/* Accent text */
.text-accent {
    color: var(--color-accent);
}

/* Links */
a {
    transition: color var(--transition-base), opacity var(--transition-base);
}

a:hover {
    opacity: 0.8;
}

/* Decorative large stat number */
.stat-number {
    font-family: var(--font-display);
    font-size: clamp(80px, 12vw, 150px);
    font-weight: 600;
    line-height: 1;
    letter-spacing: var(--tracking-tighter);
    color: var(--color-accent);
}


/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */

/* Centered container with max-width */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

/* Section vertical rhythm */
.section {
    padding-top: clamp(60px, 8vw, 120px);
    padding-bottom: clamp(60px, 8vw, 120px);
}

.section--sm {
    padding-top: clamp(40px, 5vw, 80px);
    padding-bottom: clamp(40px, 5vw, 80px);
}

.section--lg {
    padding-top: clamp(80px, 10vw, 160px);
    padding-bottom: clamp(80px, 10vw, 160px);
}

/* Dark section (default theme) */
.section--dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.section--darkest {
    background-color: var(--color-bg-darkest);
    color: var(--color-text-light);
}

/* Light sections */
.section--light {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
}

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

/* Utility: visually hide but keep in DOM for screen readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* ============================================================
   4. NAVIGATION
   ============================================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    /* Transparent by default — JS adds .scrolled class on scroll */
    background-color: transparent;
    transition: background-color var(--transition-slow), backdrop-filter var(--transition-slow);
}

/* Fond opaque une fois le hero dépassé (seuil calculé dans main.js). */
.site-header.scrolled {
    background-color: var(--color-bg-darkest);
    border-bottom: 1px solid var(--color-border-dark);
}

.site-nav {
    height: 100%;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    gap: 24px;
}

/* Logo */
.nav-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    transition: opacity var(--transition-base);
}

.nav-logo:hover {
    opacity: 0.85;
}

.nav-logo img {
    height: 28px;
    width: auto;
}

/* Nav links list */
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
}

.nav-item {
    display: flex;
    align-items: center;
}

.nav-link {
    display: block;
    padding: 6px 12px;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: var(--radius-pill);
    transition: color var(--transition-base), background-color var(--transition-base);
    white-space: nowrap;
    letter-spacing: 0.01em;
}

/* Même survol que sur la page d'accueil Framer : le texte passe en menthe,
   sans pastille de fond ni soulignement. */
.nav-link:hover {
    opacity: 1;
    color: var(--color-accent);
    background-color: transparent;
}

.nav-link--active,
.nav-item.is-active .nav-link {
    color: var(--color-accent);
}

/* Entrée « Agir » : pastille pleine accent, pour la distinguer des autres
   entrées et du bouton Contact. */
.nav-link--cta,
.nav-link--cta:hover,
.nav-item.is-active .nav-link--cta {
    background-color: var(--color-accent);
    color: var(--color-text-dark);
    font-weight: 600;
    padding: 8px 18px;
}

.nav-link--cta:hover {
    opacity: 0.85;
}

/* Sélecteur de langue — reprend la présentation de la page d'accueil :
   un select natif transparent posé sur un globe et un chevron. */
.lang-picker {
    position: relative;
    flex-shrink: 0;
    display: flex;
    cursor: pointer;
}

.lang-picker select {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    appearance: none;
    -webkit-appearance: none;
    cursor: inherit;
    border: 0;
}

.lang-picker__face {
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 10px;
    border-radius: var(--radius-md);
    color: var(--color-text-light);
    transition: color var(--transition-base), background-color var(--transition-base);
}

.lang-picker:hover .lang-picker__face {
    color: var(--color-accent);
}

/* Le select natif est invisible : c'est lui qui reçoit le focus clavier,
   donc l'anneau de focus doit être reporté sur la partie visible. */
.lang-picker select:focus-visible + .lang-picker__face {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Les options s'affichent dans le menu natif du système : forcer un fond
   lisible, sinon certains navigateurs les rendent blanc sur blanc. */
.lang-picker option {
    background-color: var(--color-bg-darkest);
    color: var(--color-text-light);
}

/* Mobile hamburger toggle — hidden on desktop */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    transition: background-color var(--transition-base);
}

.nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-light);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
    transform-origin: center;
}

/* Hamburger → X animation when menu is open */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
    width: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Offset page content so it doesn't hide behind fixed nav */
body > main,
body > .page-content {
    padding-top: var(--nav-height);
}


/* ============================================================
   5. FOOTER
   ============================================================ */

.site-footer {
    background-color: var(--color-bg-darkest);
    color: var(--color-text-light);
    border-top: 1px solid var(--color-border-dark);
    padding: clamp(48px, 6vw, 80px) 0 clamp(32px, 4vw, 48px);
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    grid-template-areas:
        "brand social"
        "bottom bottom";
    gap: 48px 40px;
}

/* Logo area */
.footer-brand {
    grid-area: brand;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

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

.footer-logo:hover {
    opacity: 0.75;
}

.footer-logo img {
    height: 26px;
    width: auto;
}

/* Social links */
.footer-social {
    grid-area: social;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.footer-social__label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-social__list {
    display: flex;
    gap: 20px;
}

.footer-social__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-subtle);
    transition: color var(--transition-base);
}

.footer-social__link:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* Bottom bar */
.footer-bottom {
    grid-area: bottom;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid var(--color-border-dark);
    gap: 20px;
    flex-wrap: wrap;
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.4;
}

.footer-legal {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-legal__link {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.footer-legal__link:hover {
    opacity: 1;
    color: var(--color-text-subtle);
}


/* ============================================================
   6. BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background-color var(--transition-base), color var(--transition-base),
                border-color var(--transition-base), transform var(--transition-base),
                box-shadow var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: 0.01em;
    border: 2px solid transparent;
}

.btn:hover {
    opacity: 1;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

/* Primary button — accent green fill */
.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-bg-darkest);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background-color: #1de0aa;   /* slightly darker shade of accent */
    border-color: #1de0aa;
    box-shadow: 0 4px 20px rgba(49, 247, 189, 0.25);
}

/* Outline button — transparent with border */
.btn--outline {
    background-color: transparent;
    color: var(--color-text-light);
    border-color: var(--color-border-dark);
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(49, 247, 189, 0.06);
}

/* Outline variant on light backgrounds */
.btn--outline-dark {
    background-color: transparent;
    color: var(--color-text-dark);
    border-color: var(--color-border-light);
}

.btn--outline-dark:hover {
    border-color: var(--color-text-dark);
    background-color: rgba(14, 13, 12, 0.06);
}

/* Small button */
.btn--sm {
    padding: 10px 20px;
    font-size: var(--text-sm);
}

/* Large button */
.btn--lg {
    padding: 18px 36px;
    font-size: var(--text-md);
}


/* ============================================================
   7. ANIMATIONS
   ============================================================ */

/* Base reveal state — hidden */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Directional variants */
.reveal--left {
    transform: translateX(-24px);
}

.reveal--right {
    transform: translateX(24px);
}

/* Revealed state — added by IntersectionObserver in main.js */
.reveal.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* Staggered delay for sibling elements */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal--left,
    .reveal--right {
        opacity: 1;
        transform: none;
        transition: none;
    }
}


/* ============================================================
   8. RESPONSIVE — Mobile breakpoints
   ============================================================ */

/* Tablet — up to 1024px */
@media (max-width: 1024px) {
    .nav-links {
        gap: 2px;
    }

    .nav-link {
        padding: 6px 8px;
        font-size: 13px;
    }
}

/* Mobile — up to 768px */
@media (max-width: 768px) {

    /* Burger visible, liens repliés. Le sélecteur de langue n'étant qu'une
       icône, il reste affiché à côté du burger, comme sur la page d'accueil. */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    /* Mobile menu open state — triggered by JS toggling aria-expanded */
    .site-header.nav-open .nav-links {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: rgba(14, 13, 12, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 16px var(--container-pad) 24px;
        border-bottom: 1px solid var(--color-border-dark);
        animation: menu-slide-in 0.25s ease forwards;
    }

    .site-header.nav-open .nav-links {
        padding-bottom: 16px;
    }

    /* Reflow nav-inner for mobile */
    .nav-inner {
        flex-wrap: wrap;
        position: relative;
    }

    /* Full-width nav links in mobile menu */
    .nav-item {
        width: 100%;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 12px 16px;
        font-size: var(--text-base);
        border-radius: var(--radius-sm);
    }

    /* Footer: single column */
    .footer-inner {
        grid-template-columns: 1fr;
        grid-template-areas:
            "brand"
            "social"
            "bottom";
        gap: 32px;
    }

    .footer-social {
        align-items: flex-start;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

/* Small mobile — up to 480px */
@media (max-width: 480px) {
    :root {
        --container-pad: 20px;
    }

    .btn {
        padding: 12px 22px;
        font-size: var(--text-sm);
    }

    .btn--lg {
        padding: 14px 28px;
        font-size: var(--text-base);
    }
}


/* ============================================================
   KEYFRAMES
   ============================================================ */

@keyframes menu-slide-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* =====================
   404 PAGE
   ===================== */
.page-404 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.page-404 .container {
    max-width: 600px;
}

.page-404 h1 {
    margin-bottom: 24px;
}

.page-404 p {
    margin-bottom: 32px;
    color: var(--color-text-muted);
}


/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-page {
    padding-top: calc(var(--nav-height) + 80px);
    padding-bottom: 120px;
}

.contact-page h1 {
    margin-bottom: 16px;
}

.contact-page > .container > .lead {
    margin-bottom: 48px;
}

.contact-form {
    max-width: 640px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    font-size: var(--text-base);
    transition: border-color var(--transition-base), background var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #e53e3e;
}

.form-group textarea {
    min-height: 160px;
    resize: vertical;
}

.form-error {
    display: block;
    margin-top: 6px;
    font-size: var(--text-sm);
    color: #fc8181;
    min-height: 1.2em;
}

.form-feedback {
    margin-top: 20px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    display: none;
}

.form-feedback.success {
    display: block;
    background: rgba(49, 247, 189, 0.1);
    border: 1px solid rgba(49, 247, 189, 0.3);
    color: var(--color-accent);
}

.form-feedback.error {
    display: block;
    background: rgba(252, 129, 129, 0.1);
    border: 1px solid rgba(252, 129, 129, 0.3);
    color: #fc8181;
}

button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Required field indicator */
.form-group .required {
    color: var(--color-accent);
    margin-left: 2px;
}


/* ============================================================
   LEGAL PAGES (politique-de-confidentialite, mentions-legales)
   ============================================================ */
.legal-page {
    padding-top: calc(var(--nav-height) + 80px);
    padding-bottom: 120px;
}

.legal-page .container {
    max-width: 800px;
}

.legal-page h1 {
    margin-bottom: 48px;
}

.legal-page h2 {
    margin-top: 48px;
    margin-bottom: 16px;
    font-size: var(--text-xl);
}

.legal-page h3 {
    margin-top: 32px;
    margin-bottom: 12px;
    font-size: var(--text-lg);
}

.legal-page p {
    margin-bottom: 16px;
    color: var(--color-text-muted);
}

.legal-page ul,
.legal-page ol {
    margin-bottom: 16px;
    padding-left: 24px;
    list-style: disc;
}

.legal-page li {
    margin-bottom: 8px;
    color: var(--color-text-muted);
}

.legal-page a {
    color: var(--color-accent);
    text-decoration: underline;
}


/* ============================================================
   EVENT PAGES (earth-day)
   ============================================================ */
.event-page {
    padding-top: var(--nav-height);
}

/* Earth Day Hero */
.earth-day-hero {
    padding: 80px 0 60px;
    text-align: center;
}

.earth-day-hero__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.earth-day-hero__tagline {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    max-width: 640px;
    margin: 0 auto 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.earth-day-hero__title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-xl), 4vw, var(--text-3xl));
    font-weight: 600;
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
    max-width: 860px;
    margin: 0 auto 40px;
}

.earth-day-hero__images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 60px;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

.earth-day-hero__img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

/* Earth Day Hotels */
.earth-day-hotels {
    padding: 60px 0;
}

.earth-day-hotels__title {
    font-size: var(--text-xl);
    margin-bottom: 32px;
    text-align: center;
}

.earth-day-hotels__img {
    width: 100%;
    border-radius: var(--radius-md);
}

/* Earth Day Concept */
.earth-day-concept {
    padding: 60px 0;
}

.earth-day-concept__title {
    font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
    margin-bottom: 20px;
}

.earth-day-concept__title span {
    color: var(--color-accent);
}

.earth-day-concept__text {
    color: var(--color-text-muted);
    max-width: 640px;
    margin-bottom: 24px;
}

.earth-day-concept__list {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 40px;
    color: var(--color-text-muted);
}

.earth-day-concept__list li {
    margin-bottom: 8px;
}

.earth-day-concept__img {
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-md);
}

/* Earth Day Impact */
.earth-day-impact {
    padding: 60px 0;
}

.earth-day-impact__title {
    font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
    margin-bottom: 16px;
}

.earth-day-impact__intro {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.earth-day-impact__list {
    list-style: none;
    padding: 0;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.earth-day-impact__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--text-md);
}

.earth-day-impact__icon {
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.earth-day-impact__footer {
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 40px;
}

.earth-day-impact__images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.earth-day-impact__img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

/* Earth Day Activation */
.earth-day-activation {
    padding: 60px 0;
}

.earth-day-activation__label {
    font-size: var(--text-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.earth-day-activation__title {
    font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
    margin-bottom: 16px;
}

.earth-day-activation__text {
    color: var(--color-text-muted);
    max-width: 640px;
    margin-bottom: 40px;
}

.earth-day-activation__img {
    width: 100%;
    border-radius: var(--radius-md);
}

/* Earth Day Certificate */
.earth-day-certificate {
    padding: 60px 0;
}

.earth-day-certificate__title {
    font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
    margin-bottom: 16px;
}

.earth-day-certificate__title em {
    font-style: italic;
    color: var(--color-accent);
}

.earth-day-certificate__text {
    color: var(--color-text-muted);
    max-width: 640px;
    margin-bottom: 40px;
}

.earth-day-certificate__img {
    width: 100%;
    max-width: 640px;
    border-radius: var(--radius-md);
}

/* Earth Day Register */
.earth-day-register {
    padding: 60px 0 80px;
}

.earth-day-register__title {
    font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
    margin-bottom: 40px;
}

.earth-day-form {
    max-width: 560px;
    margin-bottom: 48px;
}

.earth-day-register__badge {
    max-width: 200px;
}


/* ============================================================
   HOMEPAGE SECTIONS
   ============================================================ */

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(14, 13, 12, 0.55) 0%,
        rgba(14, 13, 12, 0.3) 50%,
        rgba(14, 13, 12, 0.7) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 1;
    padding-top: calc(var(--nav-height) + 80px);
    padding-bottom: 80px;
    max-width: 860px;
}

.hero__title {
    margin-bottom: 24px;
    color: var(--color-text-light);
}

.hero__subtitle {
    margin-bottom: 40px;
    max-width: 560px;
}

/* Clients / Social Proof */
.clients {
    padding: 48px 0;
}

.clients__label {
    margin-bottom: 32px;
    text-align: center;
    font-size: var(--text-sm);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.clients__logos {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.clients__logos img {
    opacity: 0.6;
    filter: brightness(0) invert(1);
    transition: opacity var(--transition-base);
}

.clients__logos img:hover {
    opacity: 1;
}

/* Manifesto */
.manifesto__inner {
    max-width: 860px;
    margin: 0 auto;
}

.manifesto__label {
    margin-bottom: 20px;
}

.manifesto__title {
    margin-bottom: 48px;
    font-style: italic;
}

.manifesto__body p {
    margin-bottom: 20px;
    font-size: var(--text-md);
    line-height: var(--leading-relaxed);
    color: var(--color-text-muted);
}

.manifesto__list {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 20px;
    color: var(--color-text-muted);
    font-size: var(--text-md);
}

.manifesto__list li {
    margin-bottom: 8px;
}

.manifesto__image {
    margin-top: 60px;
}

.manifesto__image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

/* Solution */
.solution__header {
    max-width: 860px;
    margin-bottom: 80px;
}

.solution__header h2 {
    margin-bottom: 24px;
}

.solution__action {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--color-border-light);
}

.solution__action:last-of-type {
    border-bottom: none;
}

.solution__action-meta {
    margin-bottom: 20px;
}

.solution__action-meta h3 {
    margin: 8px 0 16px;
}

.solution__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
}

.solution__tags li {
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-pill);
    color: var(--color-text-muted);
}

.solution__action-content p {
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

.solution__action-image img {
    width: 100%;
    border-radius: var(--radius-md);
}

.solution__footer {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid var(--color-border-light);
}

.solution__cta-text {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-dark);
}

.solution__odd {
    margin-top: 60px;
    text-align: center;
}

.solution__odd p {
    margin-bottom: 24px;
    font-size: var(--text-sm);
}

.solution__odd img {
    margin: 0 auto;
    max-width: 360px;
}

/* Sectors */
.sectors__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 60px;
    list-style: none;
    padding: 0;
}

.sectors__item-inner {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: 4 / 3;
}

.sectors__item-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.sectors__item-inner:hover img {
    transform: scale(1.05);
}

.sectors__item-inner span {
    position: absolute;
    bottom: 16px;
    left: 16px;
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.sectors__item-inner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
}

/* Implementation */
.implementation__header {
    max-width: 760px;
    margin-bottom: 60px;
}

.implementation__benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
    padding: 40px;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
}

.implementation__benefit h3 {
    font-size: var(--text-md);
    margin-bottom: 12px;
}

.implementation__benefit p {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.implementation__steps {
    margin-bottom: 60px;
}

.implementation__steps > h3 {
    margin-bottom: 8px;
}

.implementation__steps-list {
    margin-top: 40px;
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.implementation__step {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 24px;
    padding: 32px 0;
    border-top: 1px solid var(--color-border-dark);
}

.implementation__step:last-child {
    border-bottom: 1px solid var(--color-border-dark);
}

.implementation__step-number {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.implementation__step-content h4 {
    font-size: var(--text-md);
    margin-bottom: 12px;
}

.implementation__step-content ul {
    list-style: disc;
    padding-left: 20px;
}

.implementation__step-content li {
    margin-bottom: 6px;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.implementation__cta {
    margin-top: 48px;
}

.implementation__image {
    margin-top: 60px;
}

.implementation__image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

/* Transparency */
.transparency__field {
    max-width: 760px;
    margin-bottom: 48px;
}

.transparency__field h3 {
    margin-bottom: 16px;
}

.transparency__field p {
    color: var(--color-text-muted);
}

.transparency__images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 60px;
}

.transparency__images img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.transparency__partners {
    max-width: 760px;
    margin-bottom: 60px;
}

.transparency__partners h3 {
    margin-bottom: 16px;
}

.transparency__partners p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.transparency__partners img {
    max-width: 280px;
}

.transparency__dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.transparency__feature {
    margin-bottom: 32px;
}

.transparency__feature h4 {
    font-size: var(--text-md);
    margin-bottom: 12px;
}

.transparency__feature p {
    color: var(--color-text-muted);
}

.transparency__dashboard-image img {
    width: 100%;
    border-radius: var(--radius-md);
}

/* Team */
.team h2 {
    margin-bottom: 20px;
}

.team .lead {
    max-width: 640px;
    margin-bottom: 60px;
}

.team__list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    list-style: none;
    padding: 0;
}

.team__member {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.team__photo {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--color-bg-darkest);
}

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

.team__photo--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border-dark);
}

.team__info h3 {
    font-size: var(--text-md);
    margin-bottom: 4px;
}

/* CTA Section */
.cta-section {
    text-align: center;
}

.cta-section__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.cta-section h2 {
    max-width: 640px;
}


/* ============================================================
   RESPONSIVE — Page-specific overrides
   ============================================================ */

@media (max-width: 1024px) {
    .sectors__list {
        grid-template-columns: repeat(2, 1fr);
    }

    .implementation__benefits {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .solution__action {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .transparency__dashboard {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .hero__content {
        padding-top: calc(var(--nav-height) + 48px);
        padding-bottom: 60px;
    }

    .earth-day-hero__images {
        grid-template-columns: 1fr;
    }

    .earth-day-hero__img {
        height: 260px;
    }

    .earth-day-impact__images {
        grid-template-columns: 1fr;
    }

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

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

    .contact-page {
        padding-top: calc(var(--nav-height) + 48px);
        padding-bottom: 80px;
    }

    .legal-page {
        padding-top: calc(var(--nav-height) + 48px);
        padding-bottom: 80px;
    }
}