/* =========================================================
   SITEV – Styles publics revisés UX/UI
   Version premium, moderne, institutionnelle et responsive
========================================================= */

:root {
    --public-container: min(100% - 2rem, 1240px);

    /* Palette premium SITEV */
    --color-navy-deep: #0B1F3A;
    --color-navy-soft: #163255;
    --color-azure: #1E6FA8;
    --color-lagoon: #1FA7B8;
    --color-sand: #D9C29A;
    --color-gold: #B89258;
    --color-ivory: #F7F4EE;
    --color-white: #FFFFFF;
    --color-charcoal: #1D2733;
    --color-muted: #667085;
    --color-line: #D9E3EC;
    --color-surface-alt: #EEF3F7;

    /* Alias UI */
    --public-primary: var(--color-navy-deep);
    --public-secondary: var(--color-azure);
    --public-accent: var(--color-lagoon);
    --public-highlight: var(--color-gold);
    --public-success: #16A34A;

    --public-text: var(--color-charcoal);
    --public-text-soft: var(--color-muted);
    --public-bg: var(--color-ivory);
    --public-surface: var(--color-white);
    --public-border: var(--color-line);

    /* Shadows */
    --shadow-soft: 0 8px 24px rgba(11, 31, 58, 0.07);
    --shadow-card: 0 14px 38px rgba(11, 31, 58, 0.10);
    --shadow-hover: 0 20px 48px rgba(11, 31, 58, 0.14);

    /* Radius */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.28s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--public-text);
    background:
        radial-gradient(circle at top right, rgba(31, 167, 184, 0.08), transparent 20%),
        radial-gradient(circle at top left, rgba(185, 146, 88, 0.08), transparent 18%),
        linear-gradient(180deg, #fbfaf7 0%, #f4f7fa 100%);
}

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

a {
    transition: all var(--transition-base);
}

main {
    min-height: 40vh;
}

.container {
    width: var(--public-container);
    margin-inline: auto;
    padding-inline: 1rem;
}

.section {
    padding: 4rem 0;
}

.section-alt {
    background: linear-gradient(180deg, rgba(255,255,255,0.72) 0%, rgba(238,243,247,0.92) 100%);
}

.section-heading {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 2.5rem;
}

.section-heading .section-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--public-secondary);
    margin-bottom: 0.85rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(30, 111, 168, 0.08);
    border: 1px solid rgba(30, 111, 168, 0.12);
}

.section-heading h2 {
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    line-height: 1.15;
    margin: 0 0 0.9rem;
    color: var(--public-primary);
    letter-spacing: -0.03em;
}

.section-heading p {
    margin: 0;
    color: var(--public-text-soft);
    font-size: 1rem;
}

/* =========================================================
   Navbar
========================================================= */

.navbar {
    background: rgba(11, 31, 58, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 78px;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    height: 100%;
}

.navbar .brand-wrapper {
    position: relative;
    height: 110px;
    align-self: flex-start;
    filter: drop-shadow(0 10px 24px rgba(0,0,0,0.14));
    z-index: 2;
}

.navbar .brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0 3.4rem 0 1.75rem;
    background: linear-gradient(135deg, var(--color-navy-deep) 0%, var(--color-azure) 100%);
    text-decoration: none;
    color: #fff;
    height: 100%;
    clip-path: polygon(0 0, 100% 0, calc(100% - 34px) 100%, 0 100%);
}

.navbar .brand:hover {
    filter: brightness(1.03);
}

.brand-logos {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    background: rgba(255,255,255,0.96);
    padding: 7px 12px;
    border-radius: 14px;
    box-shadow: 0 8px 18px rgba(11, 31, 58, 0.12);
}

.brand-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-text strong {
    font-size: 1.08rem;
    color: #fff;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.brand-text small {
    font-size: 0.66rem;
    color: rgba(255, 255, 255, 0.84);
    max-width: 150px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.nav-toggle-checkbox {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    margin-right: 1.5rem;
    align-self: center;
}

.nav-toggle-label .bar {
    height: 3px;
    width: 100%;
    background-color: #fff;
    border-radius: 999px;
    transition: all 0.3s ease;
}

.nav-collapse {
    display: flex;
    flex: 1;
    align-items: stretch;
    justify-content: flex-end;
}

.nav-menu {
    flex: 1;
    list-style: none;
    margin: 0;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.35rem;
}

.nav-menu a {
    display: block;
    color: rgba(255,255,255,0.92);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--public-highlight), var(--public-accent));
    transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #fff;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: stretch;
    background: rgba(255,255,255,0.04);
    border-left: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.nav-icon-link {
    width: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-right: 1px solid rgba(255,255,255,0.08);
    color: #fff;
    transition: background-color var(--transition-base), color var(--transition-base);
}

.nav-icon-link:hover {
    background: rgba(255,255,255,0.08);
    color: var(--public-highlight);
}

.nav-icon-glyph {
    font-size: 1.1rem;
    line-height: 1;
}

.nav-lang {
    display: flex;
    align-items: center;
    padding: 0 1.4rem;
    gap: 0.75rem;
    border-right: 1px solid rgba(255,255,255,0.08);
}

.nav-lang-link {
    font-size: 0.84rem;
    font-weight: 700;
    color: rgba(255,255,255,0.62);
    text-decoration: none;
}

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

.nav-cta-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    background: linear-gradient(135deg, var(--public-highlight) 0%, #a87c3a 100%);
    color: var(--color-navy-deep);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.88rem;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.nav-cta-block:hover {
    filter: brightness(1.04);
    transform: translateY(-1px);
}

/* =========================================================
   Hero vidéo
========================================================= */

.hero-video {
    position: relative;
    min-height: 78vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-navy-deep);
}

.hero-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(11,31,58,0.85) 0%, rgba(22,50,85,0.70) 35%, rgba(30,111,168,0.48) 70%, rgba(31,167,184,0.22) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 2rem 1rem;
    max-width: 920px;
}

.hero-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.hero-main-logo {
    max-height: 68px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.25));
}

.hero-badge {
    display: inline-block;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.16);
    backdrop-filter: blur(10px);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--color-sand);
}

.hero-content h1 {
    font-size: clamp(2.15rem, 5vw, 4.3rem);
    line-height: 1.08;
    margin: 0 0 1rem;
    font-weight: 800;
    letter-spacing: -0.035em;
    text-shadow: 0 10px 28px rgba(0,0,0,0.24);
}

.hero-text {
    margin: 0 auto 1.5rem;
    opacity: 0.96;
    max-width: 720px;
    font-size: 1.05rem;
    color: rgba(255,255,255,0.92);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
}

.hero-countdown-wrap {
    margin-top: 1.25rem;
    padding: 0.95rem 1.1rem;
    border-radius: 14px;
    background: rgba(10, 18, 32, 0.40);
    border: 1px solid rgba(255, 255, 255, 0.22);
    max-width: 760px;
    margin-inline: auto;
}

.hero-countdown-wrap h2 {
    margin: 0 0 0.65rem;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
}

.hero-countdown-wrap .countdown-grid {
    gap: 0.7rem 1.1rem;
}

.hero-countdown-wrap .countdown-number {
    font-size: 1.85rem;
    line-height: 1.05;
}

.hero-countdown-wrap .countdown-label {
    font-size: 0.72rem;
    opacity: 0.9;
}

/* =========================================================
   Buttons
========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0.82rem 1.5rem;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--public-highlight) 0%, #a87c3a 100%);
    color: var(--color-navy-deep);
    border: none;
    box-shadow: 0 14px 30px rgba(184, 146, 88, 0.28);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(184, 146, 88, 0.35);
}

.btn-secondary {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.22);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.14);
    transform: translateY(-2px);
}

.btn-light-solid {
    background: #fff;
    color: var(--public-primary);
    border: none;
    box-shadow: 0 12px 26px rgba(255,255,255,0.14);
}

.btn-light-solid:hover {
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.92);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.10);
}

/* =========================================================
   Stats
========================================================= */

.section-overlap {
    margin-top: -2.5rem;
    position: relative;
    z-index: 2;
}

.edition-glance-wrap {
    margin-bottom: 0.5rem;
}

.edition-glance-wrap .section-kicker {
    display: block;
    text-align: center;
    margin-bottom: 0.5rem;
}

.edition-glance-wrap h2 {
    text-align: center;
    font-size: 1.55rem;
    margin: 0 0 1.5rem;
    color: var(--public-primary);
}

.stats-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
    gap: 1.2rem;
}

.stat-card {
    background: rgba(255,255,255,0.92);
    padding: 1.45rem 1rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(11,31,58,0.08);
    backdrop-filter: blur(10px);
}

.stat-number {
    display: block;
    font-size: 2rem;
    line-height: 1.1;
    font-weight: 800;
    color: var(--public-secondary);
}

.stat-label {
    display: block;
    font-size: 0.88rem;
    color: var(--public-text-soft);
    margin-top: 0.35rem;
}

/* =========================================================
   Cards / grids
========================================================= */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.card,
.premium-card {
    background: rgba(255,255,255,0.92);
    border-radius: 20px;
    padding: 1.6rem;
    border: 1px solid rgba(11,31,58,0.08);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover,
.premium-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(30,111,168,0.18);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}

.card h3,
.premium-card h3 {
    margin: 0 0 0.55rem;
    font-size: 1.1rem;
    line-height: 1.3;
    color: var(--public-primary);
}

.card p,
.premium-card p {
    margin: 0;
    font-size: 0.96rem;
    color: var(--public-text-soft);
    line-height: 1.65;
}

.styled-list {
    margin: 1.15rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.styled-list li {
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(11,31,58,0.08);
    border-radius: 14px;
    padding: 0.85rem 1rem;
    color: var(--public-text);
    box-shadow: var(--shadow-soft);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.feature-box {
    padding: 1.3rem;
    text-align: center;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(11,31,58,0.06);
    border-radius: 18px;
    box-shadow: var(--shadow-soft);
}

.feature-box h3 {
    font-size: 1rem;
    margin: 0 0 0.35rem;
    color: var(--public-primary);
}

.feature-box p {
    font-size: 0.88rem;
    margin: 0;
    color: var(--public-text-soft);
}

/* =========================================================
   News
========================================================= */

.news-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1rem;
    text-align: left;
    align-items: stretch;
}

.news-thumb {
    border-radius: 14px;
    overflow: hidden;
    background: #dde7ef;
    box-shadow: inset 0 0 0 1px rgba(11,31,58,0.05);
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 92px;
}

.news-body {
    padding: 0;
}

.news-date {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--public-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.news-body h3 {
    font-size: 1rem;
    margin: 0 0 0.35rem;
    color: var(--public-primary);
}

.news-body p {
    font-size: 0.92rem;
    color: var(--public-text-soft);
}

/* =========================================================
   Countdown
========================================================= */

.countdown-section {
    background: linear-gradient(135deg, var(--public-primary) 0%, var(--public-secondary) 58%, var(--public-accent) 100%);
    color: #fff;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.countdown-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.10), transparent 22%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,0.08), transparent 18%);
    pointer-events: none;
}

.countdown-section .container {
    position: relative;
    z-index: 1;
}

.countdown-section h2 {
    margin: 0 0 1.4rem;
    font-size: 1.22rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.96;
}

.countdown-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
    margin: 0;
    list-style: none;
    padding: 0;
}

.countdown-grid li {
    min-width: 5rem;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 18px;
    padding: 1rem 1.1rem;
    backdrop-filter: blur(10px);
}

.countdown-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.countdown-label {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.9;
    margin-top: 0.3rem;
}

/* =========================================================
   Quick links
========================================================= */

.quick-links-section {
    padding: 4rem 0;
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.quick-link-card {
    display: block;
    padding: 1.5rem 1.25rem;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(11,31,58,0.08);
    border-radius: 20px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.quick-link-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(30,111,168,0.18);
}

.quick-link-card h3 {
    margin: 0 0 0.35rem;
    font-size: 1.05rem;
    color: var(--public-primary);
}

.quick-link-card p {
    margin: 0;
    font-size: 0.89rem;
    color: #536273;
    line-height: 1.45;
}

@media (min-width: 1200px) {
    .quick-links-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

@media (max-width: 1199px) and (min-width: 768px) {
    .quick-links-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767px) and (min-width: 480px) {
    .quick-links-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* =========================================================
   Partners
========================================================= */

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

.partners-heading .section-kicker {
    display: block;
    margin-bottom: 0.5rem;
}

.partners-heading h2 {
    font-size: 1.55rem;
    margin: 0 0 1.5rem;
    color: var(--public-primary);
}

.partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.partner-logo-box img {
    max-height: 52px;
    max-width: 140px;
    object-fit: contain;
}

.partners-by-category {
    margin-top: 2rem;
}

.partners-category-title {
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #5e6c7d;
    margin: 1.5rem 0 0.8rem;
    padding-bottom: 0.45rem;
    border-bottom: 1px solid #e4ecf2;
}

.partners-category-title:first-child {
    margin-top: 0;
}

.partners-logos-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.4rem;
}

.partners-logos-inline a,
.partners-logos-inline span {
    display: block;
    background: rgba(255,255,255,0.78);
    padding: 0.8rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(11,31,58,0.05);
    box-shadow: var(--shadow-soft);
}

.partners-logos-inline img {
    max-height: 48px;
    max-width: 140px;
    width: auto;
    object-fit: contain;
    filter: grayscale(0.35);
    opacity: 0.92;
    transition: filter var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
}

.partners-logos-inline a:hover img {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.02);
}

/* =========================================================
   CTA banner
========================================================= */

.cta-banner {
    background: linear-gradient(135deg, var(--public-primary) 0%, var(--public-secondary) 60%, var(--public-accent) 100%);
    color: #fff;
    padding: 3rem 2rem;
    border-radius: 24px;
    text-align: center;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.cta-banner::after {
    content: "";
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    top: -120px;
    right: -90px;
}

.cta-banner > * {
    position: relative;
    z-index: 1;
}

.cta-banner .section-kicker-light {
    display: inline-block;
    margin-bottom: 0.7rem;
    opacity: 0.92;
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.cta-banner h2 {
    margin: 0 0 0.6rem;
    font-size: clamp(1.6rem, 3vw, 2.15rem);
    line-height: 1.15;
}

.cta-banner p {
    margin: 0 0 1.5rem;
    opacity: 0.95;
    max-width: 760px;
    margin-inline: auto;
}

.cta-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

/* =========================================================
   Contact / formulaires
========================================================= */

.contact-grid {
    display: grid;
    gap: 2rem;
}

.contact-form,
.exposant-request-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.form-row,
.exposant-request-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-row label,
.exposant-request-field label {
    font-size: 0.93rem;
    font-weight: 700;
    color: var(--public-text);
    line-height: 1.35;
}

.form-row input,
.form-row textarea,
.contact-form input,
.contact-form textarea,
.exposant-request-field input,
.exposant-request-field textarea,
.exposant-request-field select {
    display: block;
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    border: 1px solid #cfd9e3;
    font-size: 0.96rem;
    font-family: inherit;
    color: var(--public-text);
    background: rgba(255,255,255,0.92);
    box-shadow: inset 0 1px 2px rgba(11,31,58,0.03);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-row input::placeholder,
.form-row textarea::placeholder,
.exposant-request-field input::placeholder,
.exposant-request-field textarea::placeholder {
    color: #94a3b8;
}

.form-row textarea,
.exposant-request-field textarea {
    min-height: 130px;
    resize: vertical;
}

.exposant-request-field input[type="file"] {
    padding: 0.75rem 0.9rem;
    background: #fff;
    cursor: pointer;
}

.form-row input:focus,
.form-row textarea:focus,
.exposant-request-field input:focus,
.exposant-request-field textarea:focus,
.exposant-request-field select:focus {
    outline: none;
    border-color: var(--public-secondary);
    box-shadow: 0 0 0 4px rgba(30, 111, 168, 0.12);
    background: #fff;
}

.form-grid-two,
.exposant-request-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.contact-success,
.contact-error {
    margin: 1rem 0;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    font-size: 0.92rem;
    font-weight: 600;
}

.contact-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.contact-error {
    background: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.exposant-form {
    margin-top: 1.75rem;
}

.exposant-form-block {
    max-width: 780px;
    margin: 2.8rem auto 0;
    padding: 2rem 1.7rem 2.2rem;
    background: rgba(255,255,255,0.94);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(11,31,58,0.08);
    backdrop-filter: blur(12px);
}

.exposant-form-block > .section-heading {
    margin-bottom: 0.9rem;
}

.exposant-form-block > p {
    margin-top: 0;
    margin-bottom: 1.25rem;
    color: var(--public-text-soft);
    font-size: 0.96rem;
}

.exposant-form-block .section-heading {
    text-align: left;
    max-width: none;
    margin: 0 0 1rem;
}

.exposant-form-block .section-heading h2 {
    margin-bottom: 0.45rem;
    font-size: 1.75rem;
}

.exposant-form-block .section-heading p {
    margin: 0;
}

.exposant-request-form .btn {
    align-self: flex-start;
    min-width: 220px;
}

/* =========================================================
   Footer
========================================================= */

.site-footer {
    background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
    border-top: 1px solid var(--public-border);
    margin-top: 3rem;
}

.site-footer .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    padding: 2.8rem 0;
}

.footer-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin: 0 0 0.5rem;
    color: var(--public-primary);
}

.footer-subtitle {
    font-size: 0.84rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--public-text-soft);
    margin: 0 0 0.75rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.45rem;
}

.footer-links a {
    color: #4b5563;
    text-decoration: none;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--public-secondary);
}

.footer-opening-hours {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.6;
}

.footer-newsletter {
    max-width: 380px;
    width: 100%;
}

.footer-newsletter label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.55rem;
    color: var(--public-primary);
}

.footer-newsletter .input-group {
    display: flex;
    gap: 0;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid #cfd9e3;
    background: #fff;
    box-shadow: var(--shadow-soft);
}

.footer-newsletter input[type="email"] {
    flex: 1;
    padding: 0.8rem 1rem;
    border: none;
    font-size: 0.95rem;
    min-width: 0;
    color: var(--public-text);
    background: #fff;
}

.footer-newsletter input[type="email"]:focus {
    outline: none;
}

.footer-newsletter button {
    padding: 0.8rem 1.25rem;
    background: linear-gradient(135deg, var(--public-primary) 0%, var(--public-secondary) 100%);
    color: #fff;
    border: none;
    font-weight: 800;
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.footer-newsletter button:hover {
    filter: brightness(1.04);
}

.footer-bottom {
    padding: 1.25rem 0;
    border-top: 1px solid #e4ecf2;
    text-align: center;
    font-size: 0.9rem;
    color: #64748b;
}

.newsletter-msg {
    padding: 0.85rem 1rem;
    border-radius: 14px;
    font-weight: 700;
    margin: 0;
    font-size: 0.92rem;
}

.newsletter-msg--ok {
    background: #dcfce7;
    color: #166534;
}

.newsletter-msg--info {
    background: #e0f2fe;
    color: #0369a1;
}

.newsletter-msg--err {
    background: #fee2e2;
    color: #b91c1c;
}

/* =========================================================
   Responsive
========================================================= */

@media (max-width: 1100px) {
    .nav-menu {
        gap: 0.75rem;
        padding: 0 0.5rem;
    }

    .nav-menu a {
        font-size: 0.74rem;
    }

    .navbar .brand {
        padding: 0 2.5rem 0 1rem;
    }

    .nav-cta-block {
        padding: 0 1.4rem;
    }
}

@media (max-width: 900px) {
    .navbar {
        height: auto;
        padding-bottom: 0;
    }

    .nav-container {
        flex-direction: column;
        align-items: stretch;
        position: relative;
    }

    .navbar .brand-wrapper {
        height: 84px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        filter: none;
    }

    .navbar .brand {
        padding: 0 1rem;
        height: 100%;
        clip-path: none;
        width: max-content;
        max-width: calc(100% - 70px);
    }

    .brand-logo {
        height: 36px;
    }

    .brand-text strong {
        font-size: 0.98rem;
    }

    .brand-text small {
        font-size: 0.6rem;
        max-width: 120px;
    }

    .nav-toggle-label {
        display: flex;
        position: absolute;
        right: 1rem;
        top: 30px;
        z-index: 10;
    }

    .nav-collapse {
        display: none;
        flex-direction: column;
        width: 100%;
        background: linear-gradient(180deg, var(--public-primary) 0%, var(--color-navy-soft) 100%);
        box-shadow: inset 0 3px 6px rgba(0,0,0,0.10);
    }

    .nav-toggle-checkbox:checked ~ .nav-collapse {
        display: flex;
    }

    .nav-toggle-checkbox:checked ~ .nav-toggle-label .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .nav-toggle-checkbox:checked ~ .nav-toggle-label .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle-checkbox:checked ~ .nav-toggle-label .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .nav-menu {
        flex-direction: column;
        padding: 1.5rem 1rem;
        gap: 0.55rem;
        width: 100%;
    }

    .nav-menu a {
        padding: 0.85rem 1rem;
        font-size: 0.96rem;
        text-align: center;
        background: rgba(255,255,255,0.06);
        border-radius: 12px;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-right {
        flex-direction: column;
        height: auto;
        width: 100%;
        background: rgba(255,255,255,0.03);
        border-left: none;
    }

    .nav-icon-link {
        width: 100%;
        min-height: 56px;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .nav-lang {
        padding: 1rem;
        justify-content: center;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .nav-cta-block {
        padding: 1.15rem;
    }

    .hero-video {
        min-height: 72vh;
    }

    .hero-content h1 {
        font-size: clamp(2rem, 7vw, 3.2rem);
    }

    .hero-text {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 3.2rem 0;
    }

    .form-grid-two,
    .exposant-request-grid {
        grid-template-columns: 1fr;
    }

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

    .news-card {
        grid-template-columns: 1fr;
    }

    .news-thumb img {
        min-height: 180px;
    }

    .exposant-request-form .btn {
        width: 100%;
        align-self: stretch;
    }

    .cta-banner {
        padding: 2.4rem 1.3rem;
    }
}

@media (max-width: 640px) {
    .countdown-number {
        font-size: 2rem;
    }

    .countdown-grid li {
        min-width: 4.6rem;
        padding: 0.85rem 0.9rem;
    }

    .hero-countdown-wrap {
        margin-top: 1rem;
        padding: 0.8rem 0.75rem;
    }

    .hero-countdown-wrap h2 {
        font-size: 0.84rem;
    }

    .hero-countdown-wrap .countdown-number {
        font-size: 1.45rem;
    }

    .quick-links-grid {
        grid-template-columns: 1fr;
    }

    .site-footer .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .footer-newsletter {
        margin: 0 auto;
    }

    .footer-newsletter .input-group {
        flex-direction: column;
        border-radius: 14px;
    }

    .footer-newsletter button {
        width: 100%;
    }

    .hero-main-logo {
        max-height: 56px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }
}

/* =========================================================
   DESIGN POLISH V2 (cleaner visual hierarchy)
========================================================= */

:root {
    --public-primary: #163255;
    --public-secondary: #1E6FA8;
    --public-accent: #1FA7B8;
    --public-text: #1D2733;
    --public-text-soft: #667085;
    --public-bg: #F7F4EE;
    --public-surface: #FFFFFF;
    --public-border: #D9E3EC;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(circle at top right, rgba(31, 167, 184, 0.07), transparent 30%),
        radial-gradient(circle at top left, rgba(22, 50, 85, 0.08), transparent 26%),
        var(--public-bg);
}

.navbar {
    height: 72px;
    box-shadow: 0 8px 22px rgba(11, 31, 58, 0.18);
}

.nav-menu a {
    letter-spacing: 0.05em;
    font-size: 0.8rem;
}

.section {
    padding: 3.5rem 0;
}

.section-heading {
    margin-bottom: 2.25rem;
}

.section-heading h2 {
    font-size: clamp(1.45rem, 2.3vw, 2.05rem);
    line-height: 1.25;
}

.section-heading p,
.hero-intro,
.page-content,
.card p,
.premium-card p {
    color: var(--public-text-soft);
}

.card,
.premium-card,
.stat-card,
.quick-link-card,
.feature-box,
.news-card,
.exposant-form-block,
.contact-grid .card,
.partenaire-card,
.plan-pavillon-block {
    background: var(--public-surface);
    border: 1px solid var(--public-border);
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    backdrop-filter: none;
}

.card:hover,
.premium-card:hover,
.quick-link-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.10);
    border-color: rgba(31, 167, 184, 0.28);
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 4.2rem);
    letter-spacing: -0.02em;
}

.hero-text {
    max-width: 820px;
    font-size: clamp(1rem, 1.6vw, 1.22rem);
}

.btn {
    border-radius: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--public-secondary), var(--public-primary));
}

.btn-primary:hover {
    box-shadow: 0 10px 20px rgba(30, 111, 168, 0.32);
}

.countdown-section,
.cta-banner {
    background: linear-gradient(135deg, var(--public-primary), var(--public-secondary));
}

.quick-links-grid {
    gap: 1rem;
}

.quick-link-card h3,
.news-date,
.stat-number {
    color: var(--public-secondary);
}

.section-alt {
    background: rgba(255, 255, 255, 0.45);
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.site-footer {
    border-top: 1px solid var(--public-border);
}

@media (max-width: 900px) {
    .navbar {
        height: auto;
    }

    .nav-collapse {
        background: rgba(22, 50, 85, 0.98);
    }

    .section {
        padding: 2.8rem 0;
    }
}