/* ============================================
   99 Nights in the Forest — Guide Styles
   Color palette: soft aqua / sea wave tones
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

:root {
    /* Main palette — нежные морские тона */
    --bg-primary: #f0faf9;
    --bg-card: #ffffff;
    --bg-alt: #e6f5f3;
    --accent: #48b5a0;
    --accent-light: #7dd3c4;
    --accent-dark: #2d9a86;
    --accent-deep: #1b7a6a;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --text-light: #b2bec3;
    --border: #d0ece7;
    --shadow: rgba(72, 181, 160, 0.12);
    --shadow-strong: rgba(72, 181, 160, 0.25);
    --gradient-hero: linear-gradient(135deg, #48b5a0 0%, #7dd3c4 40%, #a8e6cf 100%);
    --gradient-critical: linear-gradient(135deg, #e17055 0%, #d63031 100%);
    --gradient-high: linear-gradient(135deg, #fdcb6e 0%, #e17055 100%);
    --radius: 16px;
    --radius-sm: 10px;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Nunito', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ---- Particles ---- */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    opacity: 0.12;
    font-size: 1.5rem;
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.12; }
    90% { opacity: 0.12; }
    100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
}

/* ---- Hero ---- */
.hero {
    position: relative;
    background: var(--gradient-hero);
    padding: 80px 20px 60px;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-icon {
    font-size: 5rem;
    margin-bottom: 16px;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.2));
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: #fff;
    text-shadow: 0 2px 20px rgba(0,0,0,0.15);
    margin-bottom: 8px;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-badges {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255,255,255,0.92);
    color: var(--accent-dark);
    padding: 6px 16px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}

.badge:hover { transform: translateY(-2px); }

.wave-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.wave-divider svg {
    width: 100%;
    height: 60px;
}

/* ---- Sticky Nav ---- */
.sticky-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(240, 250, 249, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s;
}

.sticky-nav.scrolled {
    box-shadow: 0 4px 20px var(--shadow);
}

.nav-inner {
    display: flex;
    gap: 4px;
    padding: 10px 20px;
    overflow-x: auto;
    max-width: 900px;
    margin: 0 auto;
    scrollbar-width: none;
}

.nav-inner::-webkit-scrollbar { display: none; }

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 50px;
    white-space: nowrap;
    transition: all 0.2s;
    background: transparent;
}

.nav-link:hover, .nav-link.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 10px var(--shadow-strong);
}

/* ---- Container / Section ---- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
}

.section-icon {
    font-size: 2.2rem;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-deep);
}

.section-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

/* ---- Intro card ---- */
.intro-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: 0 4px 24px var(--shadow);
    border: 1px solid var(--border);
}

.intro-card p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.highlight-box {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: linear-gradient(135deg, #e0f7f3, #d4f1ec);
    border-left: 4px solid var(--accent);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 28px;
}

.highlight-icon { font-size: 1.5rem; }

.highlight-box strong {
    color: var(--accent-deep);
}

.goal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.goal-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-alt);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.goal-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow);
}

.goal-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.95rem;
}

.goal-text {
    font-weight: 600;
    font-size: 0.95rem;
}

/* ---- Resource cards ---- */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.resource-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 16px var(--shadow);
    transition: transform 0.25s, box-shadow 0.25s;
    position: relative;
    overflow: hidden;
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.resource-card.wood::before { background: linear-gradient(90deg, #a1887f, #8d6e63); }
.resource-card.stone::before { background: linear-gradient(90deg, #90a4ae, #78909c); }
.resource-card.food::before { background: linear-gradient(90deg, #ef9a9a, #e57373); }
.resource-card.fiber::before { background: linear-gradient(90deg, #ce93d8, #ba68c8); }
.resource-card.metal::before { background: linear-gradient(90deg, #90a4ae, #607d8b); }
.resource-card.diamonds::before { background: linear-gradient(90deg, #81d4fa, #4fc3f7); }

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px var(--shadow-strong);
}

.resource-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.resource-card h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--accent-deep);
    margin-bottom: 8px;
}

.resource-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.resource-tip {
    background: var(--bg-alt);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--accent-dark);
    font-weight: 600;
}

/* ---- Crafting ---- */
.craft-priority {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}

.priority-card {
    border-radius: var(--radius);
    padding: 24px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.priority-card.critical { background: var(--gradient-critical); }
.priority-card.high { background: var(--gradient-high); }

.priority-badge {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.85;
    margin-bottom: 8px;
}

.priority-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.priority-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.craft-list {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 16px var(--shadow);
}

.craft-list h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-deep);
    margin-bottom: 20px;
}

.craft-timeline {
    position: relative;
    padding-left: 30px;
}

.craft-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-light), var(--accent-dark));
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    padding: 12px 0 12px 20px;
}

.timeline-dot {
    position: absolute;
    left: -24px;
    top: 16px;
    width: 14px;
    height: 14px;
    background: var(--accent);
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--accent-light);
}

.timeline-content {
    font-size: 1rem;
    color: var(--text-secondary);
}

.timeline-content strong {
    color: var(--accent-deep);
}

/* ---- Base layout visual ---- */
.base-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

@media (max-width: 768px) {
    .base-layout { grid-template-columns: 1fr; }
}

.base-visual {
    position: relative;
    width: 280px;
    height: 280px;
    margin: 0 auto;
}

.base-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    z-index: 3;
    animation: pulse 2s ease-in-out infinite;
}

.base-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--accent-dark);
    text-align: center;
}

.ring-1 {
    width: 120px;
    height: 120px;
    border: 3px dashed var(--accent);
    background: rgba(72, 181, 160, 0.08);
    z-index: 2;
}

.ring-2 {
    width: 200px;
    height: 200px;
    border: 3px solid var(--accent-light);
    background: rgba(72, 181, 160, 0.04);
    z-index: 1;
}

.ring-3 {
    width: 270px;
    height: 270px;
    border: 2px dotted var(--accent-light);
    background: transparent;
    z-index: 0;
    font-size: 0.65rem;
    opacity: 0.7;
}

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

.base-tip {
    background: var(--bg-card);
    padding: 18px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    box-shadow: 0 2px 10px var(--shadow);
    transition: transform 0.2s;
}

.base-tip:hover { transform: translateX(4px); }

.base-tip h4 {
    color: var(--accent-deep);
    font-size: 1rem;
    margin-bottom: 4px;
}

.base-tip p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ---- Enemy cards ---- */
.enemy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.enemy-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 16px var(--shadow);
    text-align: center;
    transition: transform 0.25s, box-shadow 0.25s;
}

.enemy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px var(--shadow-strong);
}

.enemy-avatar {
    font-size: 3rem;
    margin-bottom: 12px;
}

.enemy-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent-deep);
    margin-bottom: 10px;
}

.danger-level {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    justify-content: center;
}

.danger-fill {
    width: 60px;
    height: 8px;
    border-radius: 4px;
    background: var(--border);
    position: relative;
    overflow: hidden;
}

.danger-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 4px;
}

.danger-medium::after { width: 55%; background: #fdcb6e; }
.danger-high::after { width: 75%; background: #e17055; }
.danger-critical::after { width: 95%; background: #d63031; }

.danger-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.enemy-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-align: left;
}

.enemy-strategy {
    background: var(--bg-alt);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--accent-dark);
    text-align: left;
}

/* ---- Phase timeline ---- */
.phase-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.phase-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    border: 2px solid var(--border);
    box-shadow: 0 2px 16px var(--shadow);
    transition: transform 0.25s;
    position: relative;
    overflow: hidden;
}

.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.phase-card.early::before { background: linear-gradient(90deg, #a8e6cf, #88d8a8); }
.phase-card.mid::before { background: linear-gradient(90deg, #fdcb6e, #f39c12); }
.phase-card.late::before { background: linear-gradient(90deg, #e17055, #d63031); }

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

.phase-badge {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin-bottom: 8px;
}

.phase-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--accent-deep);
}

.phase-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.phase-card li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 4px 0;
}

/* ---- Tips grid ---- */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.tip-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 16px var(--shadow);
    position: relative;
    transition: transform 0.25s, box-shadow 0.25s;
}

.tip-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px var(--shadow-strong);
}

.tip-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--border);
    line-height: 1;
    margin-bottom: 8px;
}

.tip-card h4 {
    color: var(--accent-deep);
    font-size: 1rem;
    margin-bottom: 6px;
}

.tip-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ---- Classes grid ---- */
.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.class-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 16px var(--shadow);
    text-align: center;
    transition: transform 0.25s;
}

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

.class-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.class-card h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--accent-deep);
    margin-bottom: 8px;
}

.class-tag {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.class-default {
    background: #e0f7f3;
    color: var(--accent-dark);
}

.class-premium {
    background: #e8f0fe;
    color: #1a73e8;
}

.class-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.class-rating {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
}

/* ---- Checklist ---- */
.checklist-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: 0 4px 24px var(--shadow);
    border: 1px solid var(--border);
    max-width: 700px;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
    user-select: none;
}

.checklist-item:hover {
    background: var(--bg-alt);
}

.check-box {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: 2px solid var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--accent-light);
    flex-shrink: 0;
    transition: all 0.2s;
}

.checklist-item.checked .check-box {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.checklist-item.checked span {
    text-decoration: line-through;
    color: var(--text-light);
}

.checklist-item span {
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

/* ---- Footer ---- */
.footer {
    position: relative;
    background: linear-gradient(135deg, #2d9a86, #1b7a6a);
    padding: 50px 20px 30px;
    text-align: center;
    color: rgba(255,255,255,0.9);
}

.footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.footer-wave svg {
    width: 100%;
    height: 60px;
}

.footer-content {
    position: relative;
    z-index: 1;
}

.footer-emoji {
    font-size: 2rem;
    margin-bottom: 12px;
}

.footer p {
    font-size: 1rem;
    margin-bottom: 4px;
}

.footer-sub {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ---- Scroll to top ---- */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--shadow-strong);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 99;
}

.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
    .hero { padding: 50px 16px 50px; }
    .hero-icon { font-size: 3.5rem; }
    .section { padding: 40px 0; }
    .section-header h2 { font-size: 1.4rem; }
    .resource-grid { grid-template-columns: 1fr; }
    .craft-priority { grid-template-columns: 1fr; }
    .enemy-grid { grid-template-columns: 1fr; }
    .phase-timeline { grid-template-columns: 1fr; }
    .tips-grid { grid-template-columns: 1fr; }
    .classes-grid { grid-template-columns: 1fr; }
    .goal-grid { grid-template-columns: 1fr; }
    .base-visual { width: 220px; height: 220px; }
    .ring-1 { width: 90px; height: 90px; }
    .ring-2 { width: 150px; height: 150px; }
    .ring-3 { width: 210px; height: 210px; }
}

/* ---- Animations on scroll ---- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}