/* ============================================================
   Welcome Camp — Design System
   ============================================================ */

:root {
    --accent: #ff6600;
    --accent-hover: #e55a00;
    --accent-light: #fff4ed;
    --bg-warm: #faf8f5;
    --bg-section: #f5f2ee;
    --text-dark: #1a1a1a;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 36px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 72px;
}

/* ---- Base ---- */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--bg-warm);
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', system-ui, sans-serif;
}

/* ---- Header ---- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.site-header.is-scrolled .nav-link {
    color: var(--text-dark);
}

.site-header.is-scrolled .nav-logo {
    color: var(--text-dark);
}

.site-header.is-scrolled .nav-cta {
    background: var(--accent);
    color: var(--white);
}

.site-header:not(.is-scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.88);
}

.site-header:not(.is-scrolled) .nav-link:hover {
    color: var(--white);
}

.site-header:not(.is-scrolled) .nav-logo {
    color: var(--white);
}

.site-header:not(.is-scrolled) .nav-cta {
    background: var(--white);
    color: var(--text-dark);
}

.site-header:not(.is-scrolled) .nav-cta:hover {
    background: var(--accent);
    color: var(--white);
}

.site-header:not(.is-scrolled) .burger-line {
    background: var(--white);
}

.site-header.is-scrolled .burger-line {
    background: var(--text-dark);
}

/* Mobile menu */

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 99;
    background: rgba(26, 26, 26, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100%;
    background: var(--white);
    padding: calc(var(--header-height) + 24px) 32px 32px;
    transform: translateX(100%);
    transition: transform var(--transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-menu.is-open .mobile-menu-panel {
    transform: translateX(0);
}

.mobile-nav-link {
    display: block;
    padding: 14px 0;
    font-family: 'Outfit', sans-serif;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-dark);
    border-bottom: 1px solid var(--bg-section);
    transition: color var(--transition);
}

.mobile-nav-link:hover {
    color: var(--accent);
}

/* ---- Hero ---- */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 8s ease;
}

.hero:hover .hero-bg {
    transform: scale(1.08);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 15, 0.55) 0%,
        rgba(10, 10, 15, 0.45) 40%,
        rgba(10, 10, 15, 0.65) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: calc(var(--header-height) + 40px) 24px 80px;
    max-width: 860px;
}

.hero-title {
    font-size: clamp(2.75rem, 7vw, 5.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto 40px;
    font-weight: 400;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ---- Buttons ---- */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--accent);
    color: var(--white);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 20px rgba(255, 102, 0, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 102, 0, 0.45);
}

.btn-primary:hover::after {
    opacity: 1;
}

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

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--accent);
    font-family: 'Outfit', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 100px;
    border: 2px solid var(--accent);
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--white);
    color: var(--text-dark);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-white:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ---- Section common ---- */

.section {
    padding: 100px 0;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 540px;
}

/* ---- Tour cards ---- */

.tour-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.tour-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tour-card-image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.tour-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.tour-card:hover .tour-card-image {
    transform: scale(1.06);
}

.tour-card-date-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 0.01em;
}

.tour-card-body {
    padding: 28px 28px 32px;
}

.tour-card-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.tour-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tour-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap var(--transition);
}

.tour-card:hover .tour-card-link {
    gap: 12px;
}

.tour-card-link svg {
    transition: transform var(--transition);
}

.tour-card:hover .tour-card-link svg {
    transform: translateX(4px);
}

.tours-empty {
    text-align: center;
    padding: 80px 40px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.tours-empty-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.tours-empty-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.tours-empty-text {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ---- Benefits ---- */

.benefit-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 36px 32px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.benefit-icon {
    width: 52px;
    height: 52px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent);
}

.benefit-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.benefit-text {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ---- Team ---- */

.team-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.team-card-photo {
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.team-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.team-card:hover .team-card-photo img {
    transform: scale(1.04);
}

.team-card-body {
    padding: 28px;
}

.team-card-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-card-role {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
}

.team-card-bio {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ---- Reviews ---- */

.review-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.review-quote-mark {
    font-size: 4rem;
    line-height: 1;
    color: var(--accent-light);
    font-family: Georgia, serif;
    position: absolute;
    top: 20px;
    right: 28px;
    user-select: none;
}

.review-text {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.75;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--accent-light);
}

.review-name {
    font-weight: 700;
    font-size: 0.9375rem;
}

.review-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ---- FAQ ---- */

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.faq-item.is-open {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 28px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: 'Outfit', sans-serif;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    transition: transform var(--transition), background var(--transition);
}

.faq-item.is-open .faq-icon {
    transform: rotate(45deg);
    background: var(--accent);
    color: var(--white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
    padding: 0 28px 24px;
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* ---- Contact ---- */

.contact-section {
    background: var(--text-dark);
    border-radius: var(--radius-xl);
    padding: 72px 64px;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 102, 0, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.contact-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.contact-subtitle {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 480px;
}

.contact-phone {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
    transition: color var(--transition);
}

.contact-phone:hover {
    color: var(--accent);
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* ---- Footer ---- */

.site-footer {
    background: var(--text-dark);
    padding: 48px 0 32px;
}

.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 8px;
}

.footer-nav-link {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-nav-link:hover {
    color: var(--accent);
}

.footer-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin: 32px 0 24px;
}

.footer-copy {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ---- Nav CTA ---- */

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 22px;
    border-radius: 100px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.nav-cta:hover {
    transform: translateY(-1px);
}

/* ---- Reduced motion ---- */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    .contact-section {
        padding: 48px 28px;
        border-radius: var(--radius-lg);
    }

    .tour-card-body {
        padding: 22px 22px 26px;
    }

    .review-card {
        padding: 28px;
    }
}