/* Cultioo Help — Clean White Design */

@font-face {
    font-family: 'Poppins';
    src: url('../fonts/Poppins-Light.ttf') format('truetype');
    font-weight: 400;
}

@font-face {
    font-family: 'Poppins';
    src: url('../fonts/Poppins-Bold.ttf') format('truetype');
    font-weight: 700;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    background: #ffffff;
    color: #111111;
    overflow-x: hidden;
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 40px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    cursor: pointer;
}

.header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.9rem;
    letter-spacing: -0.02em;
    font-weight: 700;
}

.header .big  { color: #111111; }
.header .bite { color: rgba(0,0,0,0.25); font-weight: 400; }

/* ==================== HERO ==================== */
.hero {
    padding: 140px 40px 80px;
    text-align: center;
    background: #ffffff;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(3.5rem, 9vw, 8rem);
    font-weight: 700;
    color: #111111;
    line-height: 0.9;
    letter-spacing: -0.04em;
    margin-bottom: 28px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: #999999;
    font-weight: 400;
}

/* ==================== TAB BAR ==================== */
.tab-bar {
    position: sticky;
    top: 73px;
    z-index: 800;
    background: #ffffff;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 20px 40px;
}

.tab-btn {
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: #aaaaaa;
    background: #f4f4f4;
    border: none;
    border-radius: 50px;
    padding: 12px 28px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.tab-btn:hover  { background: #ebebeb; color: #555555; }
.tab-btn.active { background: #111111; color: #ffffff; }

/* ==================== HELP TOOLS ==================== */
.help-tools {
    max-width: 820px;
    margin: 0 auto;
    padding: 8px 40px 0;
}

.help-search {
    background: #f7f7f7;
    border-radius: 24px;
    padding: 24px;
}

.help-tools-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #b8b8b8;
    margin-bottom: 14px;
}

.help-search-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
}

.help-search-row input,
.support-grid input,
.support-grid select,
.support-message-field textarea {
    width: 100%;
    border: none;
    outline: none;
    border-radius: 18px;
    background: #ffffff;
    color: #111111;
    font-family: 'Poppins', sans-serif;
    font-size: 0.98rem;
    padding: 16px 18px;
}

.help-search-row input::placeholder,
.support-grid input::placeholder,
.support-message-field textarea::placeholder {
    color: #b6b6b6;
}

.help-search-row button,
.support-submit,
.support-copy {
    border: none;
    border-radius: 18px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.help-search-row button {
    background: #111111;
    color: #ffffff;
    padding: 0 20px;
}

.help-search-row button:hover,
.support-submit:hover,
.support-copy:hover {
    transform: translateY(-1px);
}

.help-search-row button:disabled,
.support-submit:disabled,
.support-copy:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.help-search-meta {
    margin-top: 14px;
    color: #9d9d9d;
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ==================== CONTENT ==================== */
.content-area {
    max-width: 820px;
    margin: 0 auto;
    padding: 60px 40px 120px;
}

.tab-panel { display: none; animation: fadeUp 0.35s ease-out; }
.tab-panel.active { display: block; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.panel-intro { margin-bottom: 64px; }

.panel-intro h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    color: #111111;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 16px;
}

.panel-intro p {
    font-size: 1.1rem;
    color: #999999;
    line-height: 1.7;
    max-width: 600px;
}

.category-label {
    font-family: 'Poppins', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #cccccc;
    margin-top: 56px;
    margin-bottom: 16px;
}

/* ==================== FAQ ==================== */
.faq-item { margin-bottom: 4px; }

.faq-question {
    width: 100%;
    text-align: left;
    background: #f7f7f7;
    border: none;
    border-radius: 16px;
    padding: 22px 28px;
    font-family: 'Poppins', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: #111111;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: background 0.18s ease, color 0.18s ease, border-radius 0.18s ease;
}

.faq-question:hover { background: #f0f0f0; }

.faq-question.active {
    background: #111111;
    color: #ffffff;
    border-radius: 16px 16px 0 0;
}

.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 300;
    line-height: 1;
    transition: background 0.18s ease, transform 0.25s ease;
}

.faq-question.active .faq-icon {
    background: rgba(255,255,255,0.15);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.32s ease, padding 0.32s ease;
    background: #111111;
    border-radius: 0 0 16px 16px;
}

.faq-answer.active {
    max-height: 700px;
    padding: 20px 28px 26px;
}

.faq-answer p {
    font-size: 1rem;
    color: rgba(255,255,255,0.72);
    line-height: 1.8;
}

/* ==================== SUPPORT COMPOSER ==================== */
.support-compose {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 40px 80px;
}

.support-compose__intro {
    margin-bottom: 24px;
}

.support-compose__intro h2 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #111111;
    margin-bottom: 12px;
}

.support-compose__intro p {
    color: #969696;
    font-size: 1.04rem;
    line-height: 1.7;
}

.support-form {
    background: #f7f7f7;
    border-radius: 28px;
    padding: 26px;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.support-grid label,
.support-message-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.support-grid label span,
.support-message-field span {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #b8b8b8;
}

.support-message-field {
    margin-top: 18px;
}

.support-message-field textarea {
    min-height: 180px;
    resize: vertical;
}

.support-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.support-submit {
    background: #111111;
    color: #ffffff;
    padding: 14px 22px;
}

.support-copy {
    background: #ffffff;
    color: #111111;
    padding: 14px 22px;
}

.support-status {
    margin-top: 14px;
    color: #9d9d9d;
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ==================== FOOTER ==================== */
.site-footer {
    background: #ffffff;
    padding: 40px 40px 28px;
    text-align: center;
    font-family: 'Poppins', sans-serif;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 28px;
    margin-bottom: 20px;
}

.footer-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: #aaaaaa;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover { color: #111111; }

.footer-lang {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-lang label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #aaaaaa;
}

#lang-select {
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 36px 8px 16px;
    border: none;
    border-radius: 50px;
    background: #f4f4f4 url('data:image/svg+xml;utf8,<svg fill="%23111" height="16" viewBox="0 0 24 24" width="16" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat right 12px center/16px 16px;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    color: #111111;
    cursor: pointer;
    min-width: 140px;
    transition: background 0.2s ease;
}

#lang-select:hover { background-color: #ebebeb; }
#lang-select option { background: #ffffff; color: #111111; }

.footer-copy { font-size: 0.78rem; color: #cccccc; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .header { padding: 16px 20px; }
    .header h1 { font-size: 1.5rem; }

    .hero { padding: 110px 20px 56px; }

    .tab-bar {
        top: 63px;
        padding: 14px 16px;
        gap: 6px;
        overflow-x: auto;
        justify-content: flex-start;
        scrollbar-width: none;
    }
    .tab-bar::-webkit-scrollbar { display: none; }
    .tab-btn { font-size: 0.85rem; padding: 10px 20px; }

    .help-tools {
        padding: 8px 20px 0;
    }

    .help-search {
        padding: 18px;
        border-radius: 20px;
    }

    .help-search-row {
        grid-template-columns: 1fr;
    }

    .content-area { padding: 40px 20px 80px; }
    .panel-intro h2 { font-size: clamp(2rem, 8vw, 3rem); }

    .faq-question { font-size: 0.95rem; padding: 18px 20px; }
    .faq-answer.active { padding: 16px 20px 20px; }

    .support-compose {
        padding: 0 20px 56px;
    }

    .support-form {
        padding: 18px;
        border-radius: 22px;
    }

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

    .site-footer { padding: 32px 20px 20px; }
}

@media (max-width: 480px) {
    .hero-title { letter-spacing: -0.03em; }
    .tab-btn { font-size: 0.8rem; padding: 9px 16px; }
}