/* ============================================================
   GLOBAL.CSS — COMPLETE & FINAL
   (ruang-edit header/footer/hero + all existing sections)
   ============================================================ */

/* ============================================================
   1. CSS VARIABLES
   ============================================================ */

:root {
    /* ----- Base Colors ----- */
    --bg-color: #1F2122;
    --surface-color: #27292A;
    --primary-accent: #CF99D1;
    --secondary-accent: #F9F871;
    --highlight: #EAE657;
    --text-primary: #FFF7FF;
    --text-secondary: #B0B2B2;
    --success: #4CAF50;
    --warning: #FFC107;
    --error: #F44336;

    /* ----- Spacing ----- */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 4rem;

    /* ----- Radius ----- */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-round: 50%;

    /* ----- Shadows ----- */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);

    /* ----- Transitions ----- */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* ----- Fonts ----- */
    --font-primary: 'Poppins', 'Lexend', sans-serif;
    --font-secondary: 'Inter', 'Quicksand', sans-serif;

    /* ----- App aliases (backward compatibility) ----- */
    --bg: var(--bg-color);
    --bg-surface: var(--surface-color);
    --bg-elevated: var(--surface-color);
    --bg-hover: rgba(255, 255, 255, 0.05);
    --text: var(--text-primary);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --text-muted: rgba(255, 255, 255, 0.2);
    --accent: var(--primary-accent);
    --accent-soft: rgba(207, 153, 209, 0.08);
    --accent-glow: rgba(207, 153, 209, 0.15);
    --success-soft: rgba(76, 175, 80, 0.08);
    --error-soft: rgba(244, 67, 54, 0.08);
    --warning-soft: rgba(255, 193, 7, 0.08);
    --purple: #a78bfa;
    --purple-soft: rgba(167, 139, 250, 0.08);
    --border: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.10);
    --font: var(--font-secondary);
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
    --text-xs: 0.65rem;
    --text-sm: 0.75rem;
    --text-base: 0.875rem;
    --text-lg: 1rem;
    --text-xl: 1.15rem;
    --text-2xl: 1.35rem;
    --text-3xl: 2rem;
    --ease: var(--transition-fast);
    --ease-smooth: var(--transition-medium);
    --space-2xs: 0.25rem;
    --space-3xl: 5rem;
}

/* Light Theme */
[data-theme=light] {
    --bg-color: #FFF7FF;
    --surface-color: #F0EEF0;
    --primary-accent: #AD62B1;
    --secondary-accent: #D2D84F;
    --highlight: #B7BA45;
    --text-primary: #1F2122;
    --text-secondary: #4B4D4E;
    --bg-hover: rgba(0, 0, 0, 0.04);
    --border: rgba(0, 0, 0, 0.06);
    --border-strong: rgba(0, 0, 0, 0.10);
    --text-tertiary: rgba(0, 0, 0, 0.4);
    --text-muted: rgba(0, 0, 0, 0.2);
    --accent-soft: rgba(173, 98, 177, 0.08);
    --accent-glow: rgba(173, 98, 177, 0.12);
}

/* ============================================================
   2. BASE RESET
   ============================================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.6;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ============================================================
   3. TYPOGRAPHY & UTILITIES
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

button {
    border: none;
    background: none;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.hidden { display: none !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-mono { font-family: var(--font-mono); }
.w-full { width: 100%; }
.h-full { height: 100%; }
.mobile-only { display: none; }
.desktop-only { display: block; }

/* ============================================================
   4. BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all var(--transition-medium);
}

.btn-primary {
    background-color: var(--primary-accent);
    color: var(--bg-color);
}
.btn-primary:hover {
    background-color: var(--highlight);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--primary-accent);
}
.btn-secondary:hover {
    color: var(--bg-color);
    background-color: var(--highlight);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-accent);
    border: 2px solid var(--primary-accent);
}
.btn-outline:hover {
    background-color: var(--primary-accent);
    color: var(--bg-color);
}

.btn-large {
    padding: var(--space-sm) var(--space-lg);
    font-size: 1.125rem;
}

/* ============================================================
   5. NEW HEADER (FIXED + STABLE LAYOUT)
   ============================================================ */

header {
    position: relative;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border);
}

/* ✅ MAIN NAV LAYOUT FIX (NO MORE OVERLAP) */
nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;

    padding: 1rem 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    nav {
        padding: 1.25rem 2.5rem;
    }
}

/* LEFT SIDE */
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;

    font-size: 0.625rem;
    font-weight: 500;
    color: var(--text-secondary);

    flex: 1;
}

@media (min-width: 640px) {
    .nav-links {
        gap: 1.5rem;
        font-size: 0.875rem;
    }
}

.nav-links a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary-accent);
}

/* CENTER LOGO (FIXED, NOT ABSOLUTE) */
.nav-logo {
    display: flex;
    align-items: center;
    justify-content: center;

    flex-shrink: 0;
    padding: 0 0.5rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

@media (min-width: 640px) {
    .logo-link {
        gap: 0.5rem;
    }
}

.logo-link span {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.8125rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

@media (min-width: 640px) {
    .logo-link span {
        font-size: 1rem;
    }
}

/* RIGHT SIDE */
.nav-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;

    flex: 1;
}

@media (min-width: 640px) {
    .nav-right {
        gap: 1.25rem;
    }
}

/* LINKS */
.nav-class-link {
    display: none;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

@media (min-width: 640px) {
    .nav-class-link {
        display: inline;
    }
}

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

/* CONTACT BUTTON */
.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;

    border-radius: 9999px;
    border: 1px solid rgba(207, 153, 209, 0.5);
    background: var(--bg-color);

    padding: 0.375rem 0.625rem;
    font-size: 0.625rem;
    font-weight: 500;

    color: var(--text-primary);
    text-decoration: none;

    transition: all 0.2s;
    white-space: nowrap;
}

@media (min-width: 640px) {
    .contact-btn {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
    }
}

.contact-btn:hover {
    background: var(--accent-soft);
    border-color: var(--primary-accent);
}

/* NAV DIVIDER */
.nav-divider {
    height: 1px;
    background: var(--border);
}

/* THEME + MOBILE */
.theme-toggle,
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 36px;
    height: 36px;

    border-radius: var(--radius-round);
    background: var(--surface-color);

    color: var(--text-primary);
    border: 1px solid var(--border-strong);

    transition: all var(--transition-fast);
}

.theme-toggle:hover,
.mobile-menu-toggle:hover {
    border-color: var(--highlight);
    background: var(--highlight);
    color: var(--bg-color);
}

.mobile-menu-toggle {
    display: none;
}

@media (max-width: 640px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;

        background: var(--surface-color);
        flex-direction: column;

        padding: var(--space-md);
        gap: var(--space-sm);

        transform: translateY(-150%);
        opacity: 0;

        transition: all 0.3s ease;

        z-index: 1000;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-logo {
        flex: 0;
    }

    .nav-right .nav-class-link {
        display: none;
    }

    .mobile-only {
        display: block;
    }
}

/* ============================================================
   USER PROFILE (FIXED + NO CROWDING)
   ============================================================ */

#auth-actions {
    display: flex;
    align-items: center;
}

/* ===========================
   CLEAN USER (MINIMAL SAAS STYLE)
   =========================== */

.nav-user{
    display:flex;
    align-items:center;
    gap:.6rem;

    padding:.25rem .4rem;
    border-radius:999px;

    background:transparent;
    border:1px solid transparent;

    transition:all var(--transition-fast);
}

.nav-user:hover{
    background:var(--bg-hover);
    border-color:var(--border);
}

/* Avatar stays same but cleaner */
.nav-user-avatar{
    width:36px;
    height:36px;

    border-radius:50%;
    object-fit:cover;

    border:1px solid var(--border);
}

/* Name becomes primary focus */
.nav-user-name{
    display:flex;
    align-items:center;
    gap:.25rem;

    font-size:.85rem;
    font-weight:600;
    color:var(--text-primary);

    text-decoration:none;
    white-space:nowrap;

    transition:color var(--transition-fast);
}

.nav-user-name:hover{
    color:var(--primary-accent);
}

.nav-user-name span{
    color:var(--primary-accent);
    font-weight:700;
}

/* Logout becomes ICON, not button */
.nav-user-logout{
    display:flex;
    align-items:center;
    justify-content:center;

    width:28px;
    height:28px;

    border-radius:50%;

    color:var(--text-secondary);
    font-size:.8rem;

    transition:all var(--transition-fast);
}

.nav-user-logout:hover{
    color:var(--primary-accent);
    background:var(--accent-soft);
}
/* ============================================================
   6. NEW FOOTER (from ruang-edit)
   ============================================================ */

footer {
    padding: 0 1.25rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    footer {
        padding: 0 2.5rem 2.5rem;
    }
}

.footer-divider {
    height: 1px;
    background: var(--border);
    margin-bottom: 1.25rem;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

@media (min-width: 640px) {
    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        font-size: 0.875rem;
    }
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    order: -1;
}

@media (min-width: 640px) {
    .social-icons {
        order: 0;
    }
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
}

.social-icon.square {
    border-radius: 0.375rem;
}
.social-icon.circle {
    border-radius: 9999px;
}
.social-icon:hover {
    border-color: var(--primary-accent);
    color: var(--primary-accent);
}
.social-icon svg {
    width: 14px;
    height: 14px;
}

.footer-credit .author {
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================================
   7. NEW HERO (from ruang-edit)
   ============================================================ */

.hero {
    position: relative;
    padding: 3.5rem 1.25rem 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .hero {
        padding: 4rem 2.5rem 2.5rem;
    }
}

.sparkle {
    position: absolute;
    animation: twinkle 3.2s ease-in-out infinite;
    pointer-events: none;
}

@keyframes twinkle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.85); }
}

.hero-tags {
    position: absolute;
    right: 1.25rem;
    top: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.375rem;
}

@media (min-width: 640px) {
    .hero-tags {
        right: 2.5rem;
        top: 0.75rem;
    }
}

.tag {
    border-radius: 9999px;
    background: var(--primary-accent);
    padding: 0.25rem 0.75rem;
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--bg-color);
    white-space: nowrap;
}

.tag.teal {
    background: var(--secondary-accent);
    color: var(--bg-color);
}

.hero-tagline {
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--primary-accent);
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}
.hero-title .highlight {
    color: var(--primary-accent);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
}
.stat-item {
    text-align: left;
}
.stat-number {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

h1 {
    font-family: var(--font-primary);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.08;
    letter-spacing: -0.03em;
    font-size: 2.1rem;
    max-width: 36rem;
    padding-top: 2rem;
}

@media (min-width: 640px) {
    h1 {
        font-size: 3rem;
        padding-top: 1rem;
    }
}

.h1-sparkle-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.75rem;
    background: var(--secondary-accent);
    vertical-align: middle;
    margin: 0 0.25rem;
}

@media (min-width: 640px) {
    .h1-sparkle-box {
        width: 2.75rem;
        height: 2.75rem;
    }
}

.swirl-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-bottom-row {
    margin-top: 2.5rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .hero-bottom-row {
        margin-top: 3rem;
    }
}

.stat-block {
    font-family: var(--font-secondary);
    color: var(--text-secondary);
}

.stat-label {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

@media (min-width: 640px) {
    .stat-label {
        font-size: 0.75rem;
    }
}

.stat-value {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1.4;
    margin-top: 0.125rem;
}

@media (min-width: 640px) {
    .stat-value {
        font-size: 0.875rem;
    }
}

.join-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    border: 1.5px solid var(--secondary-accent);
    background: var(--bg-color);
    padding: 0.375rem 0.375rem 0.375rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.2s;
    white-space: nowrap;
}

.join-btn:hover {
    box-shadow: var(--shadow-md);
}

.join-btn span:first-child {
    margin-right: 1.5rem;
}

.join-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 9999px;
    background: var(--secondary-accent);
    color: var(--bg-color);
    transition: transform 0.2s;
}

.join-btn:hover .join-btn-icon {
    transform: translate(1px, -1px);
}
/* ─── Category Strip ─── */
.category-strip {
    max-width: 60%;
    margin: 2rem auto 0;
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}
.category-window {
    flex: 1;
    overflow: hidden;
    min-width: 0;
    /* contains the scrollable cards */
}
@media (min-width: 640px) {
    .category-strip {
        gap: 1.25rem;
    }
    .category-cards {
        gap: 1.25rem;
        padding-right: 1.25rem;
    }
    .cat-card {
        flex: 0 0 auto;          /* remove the percentage basis */
        width: 5rem;             /* fixed, reasonable size (~112px) */
        height: 5rem;
        aspect-ratio: auto;      /* width/height take over */
    }
    .nav-arrow {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.2rem;
    }
}


.nav-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 9999px;
    background: var(--accent-soft, #f0f0f0);
    color: var(--primary-accent, #333);
    border: 1px solid var(--border, #ddd);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    flex-shrink: 0;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

@media (min-width: 640px) {
    .nav-arrow {
        width: 2.5rem;
        height: 2.5rem;
    }
}

.nav-arrow:hover {
    background: var(--primary-accent, #4F8EF7);
    color: #fff;
    transform: scale(1.05);
}

.nav-arrow:active {
    transform: scale(0.92);
}
.category-cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.75rem;
    overflow-x: auto;
    /* ← enables horizontal scroll */
    scroll-snap-type: x mandatory;
    /* snaps each card into view */
    scroll-behavior: smooth;
    width: 100%;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
    padding-right: 2rem;
    /* smooth iOS scroll */
}

.category-cards::-webkit-scrollbar {
    display: none;
}


.category-cards {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
@media (min-width: 640px) {
    .category-cards {
        gap: 1.25rem;
    }
}

.cat-card {
    flex: 0 0 calc(25% - 0.6rem);
    /* 4 cards visible */
    aspect-ratio: 1 / 1;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    color: #fff;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    scroll-snap-align: start;
    /* snap each card */
    text-decoration: none;
    user-select: none;
}


.cat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}


.cat-icon {
    font-size: 1.9rem;
}

/* ─── Mobile adjustments ─── */
@media (max-width: 639px) {
    .cat-icon {
        font-size: 1.1rem;     /* smaller icon */
    }
    .cat-card span {
        font-size: 0.6rem;     /* smaller label */
        padding: 0 4px;
    }
    .cat-card {
        flex: 0 0 calc(25% - 0.45rem); /* slightly tighter fit */
        gap: 4px;
    }
    .category-strip {
        max-width: 90%;        /* more breathing room */
        gap: 0.4rem;
    }
    .category-cards {
        gap: 0.4rem;
    }
    .nav-arrow {
        width: 1.6rem;
        height: 1.6rem;
        font-size: 0.7rem;
    }
}


.cat-card svg {
    width: 100%;
    height: 100%;
}

.cat-card span {
    font-size: 0.8rem;
    font-weight: 400;
    text-align: center;
    line-height: 1.2;
    padding: 0 8px;
}

.cat-pink    { background: #FF6B6B; }
.cat-purple  { background: #BEA9DE; }
.cat-cyan    { background: #6FD3F2; }
.cat-orange  { background: #F5A623; }
.cat-blue {
    background: #4F8EF7;
}

.cat-green {
    background: #2BB673;
}

.cat-red {
    background: #E74C3C;
}

.hero-divider {
    margin-top: 2.25rem;
    height: 1px;
    background: var(--border);
    position: relative;
}

/* ============================================================
   8. ADMIN NAV
   ============================================================ */

.admin-nav {
    display: flex;
    gap: var(--space-xs);
    background-color: var(--surface-color);
    padding: var(--space-xs);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}
.admin-nav a {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    text-decoration: none;
    align-items: center;
}
.admin-nav a:hover,
.admin-nav a.active {
    color: var(--bg-color);
    background: var(--primary-accent);
}

/* ============================================================
   9. SECTION TITLE (used by landing components)
   ============================================================ */

.section-title {
    font-size: 2.25rem;
    margin-bottom: var(--space-sm);
    display: inline-block;
    position: relative;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 4px;
    background-color: var(--primary-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-lg);
}

.section-overline {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-accent);
    display: block;
    margin-bottom: var(--space-sm);
}

/* ============================================================
   10. LANDING PAGE COMPONENTS (existing sections)
   ============================================================ */

/* ----- Why Nova ----- */
.why-nova-enhanced {
    padding: var(--space-xxl) 0;
    background-color: var(--bg-color);
}
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}
.why-content { max-width: 540px; }
.why-text { color: var(--text-secondary); line-height: 1.75; margin-bottom: var(--space-md); }
.why-problems { display: flex; flex-direction: column; gap: var(--space-md); margin-top: var(--space-lg); }
.why-problem-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--surface-color);
    border: 1px solid rgba(207, 153, 209, 0.15);
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium);
}
.why-problem-item:hover { border-color: var(--primary-accent); transform: translateY(-2px); }
.problem-indicator { width: 8px; height: 8px; border-radius: var(--radius-round); margin-top: 6px; flex-shrink: 0; }
.problem-indicator.problem { background-color: #EF4444; }
.problem-indicator.solved { background-color: #10B981; }
.why-problem-item strong { display: block; font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; color: var(--text-primary); }
.why-problem-item span { font-size: 0.85rem; color: var(--text-secondary); }
.why-visual { display: flex; align-items: center; justify-content: center; }
.before-after-stack { max-width: 440px; display: flex; flex-direction: column; gap: var(--space-md); }
.ba-card {
    background-color: var(--surface-color);
    border: 1px solid rgba(207, 153, 209, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
}
.ba-card.after-card { background: linear-gradient(135deg, var(--surface-color), rgba(16,185,129,0.05)); border-color: rgba(16,185,129,0.3); }
.ba-label { font-family: var(--font-primary); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-md); display: flex; align-items: center; gap: var(--space-xs); }
.ba-label.before { color: #EF4444; }
.ba-label.after { color: #10B981; }
.ba-label-dot { width: 6px; height: 6px; border-radius: var(--radius-round); background: currentColor; }
.ba-items { display: flex; flex-direction: column; gap: var(--space-sm); }
.ba-item { display: flex; align-items: center; gap: var(--space-sm); font-size: 0.85rem; color: var(--text-secondary); }
.ba-arrow { text-align: center; font-size: 1.5rem; color: var(--primary-accent); margin: var(--space-xs) 0; }

/* ----- Learning Experience ----- */
.learn-experience {
    padding: var(--space-xxl) 0;
    background-color: var(--surface-color);
}
.section-header { text-align: center; max-width: 700px; margin: 0 auto var(--space-xl); }
.learn-steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
    text-align: center;
}
.learn-step { padding: var(--space-md); }
.step-orb {
    width: 90px;
    height: 90px;
    margin: 0 auto var(--space-md);
    background: var(--bg-color);
    border: 2px solid var(--primary-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    position: relative;
    transition: all var(--transition-medium);
}
.step-orb:hover { transform: scale(1.05); border-color: var(--secondary-accent); }
.step-num {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 26px;
    height: 26px;
    background: var(--primary-accent);
    color: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}
.step-title { font-family: var(--font-primary); font-weight: 700; font-size: 1rem; margin-bottom: var(--space-xs); }
.step-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

/* ----- Subjects ----- */
.subjects-showcase { padding: var(--space-xxl) 0; }
.subjects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}
.subject-card {
    background: var(--surface-color);
    border: 1px solid rgba(207, 153, 209, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-medium);
    cursor: pointer;
}
.subject-card:hover { transform: translateY(-4px); border-color: var(--primary-accent); box-shadow: var(--shadow-md); }
.subject-icon { font-size: 2.2rem; margin-bottom: var(--space-sm); }
.subject-name { font-family: var(--font-primary); font-weight: 700; font-size: 1.1rem; margin-bottom: var(--space-xs); }
.subject-meta { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: var(--space-sm); }
.subject-topics { display: flex; flex-wrap: wrap; gap: 6px; margin: var(--space-sm) 0; }
.subject-topic { font-size: 0.7rem; padding: 3px 10px; background: var(--bg-color); border-radius: 100px; color: var(--text-secondary); }
.subject-arrow { margin-top: var(--space-md); font-size: 0.8rem; color: var(--primary-accent); display: flex; justify-content: space-between; align-items: center; }
.subjects-footer { text-align: center; margin-top: var(--space-xl); }

/* ----- Advantages ----- */
.platform-advantages {
    padding: var(--space-xxl) 0;
    background-color: var(--surface-color);
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
.advantage-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-medium);
    border: 1px solid rgba(207, 153, 209, 0.1);
}
.advantage-card:hover { transform: translateY(-4px); border-color: var(--primary-accent); }
.adv-icon { font-size: 2rem; margin-bottom: var(--space-md); }
.adv-title { font-family: var(--font-primary); font-weight: 700; font-size: 1.1rem; margin-bottom: var(--space-sm); }
.adv-desc { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; margin-bottom: var(--space-md); }
.adv-features li { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 6px; padding-left: 18px; position: relative; }
.adv-features li::before { content: "✓"; position: absolute; left: 0; color: var(--primary-accent); }

/* ----- Testimonials ----- */
.testimonials { padding: var(--space-xxl) 0; }
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
.testimonial-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-medium);
    border: 1px solid rgba(207, 153, 209, 0.1);
}
.testimonial-card:hover { transform: translateY(-4px); border-color: var(--primary-accent); }
.stars { color: #F5B041; margin-bottom: var(--space-sm); letter-spacing: 2px; }
.testimonial-quote { font-size: 0.9rem; line-height: 1.6; color: var(--text-secondary); margin-bottom: var(--space-md); }
.testimonial-author { display: flex; align-items: center; gap: var(--space-sm); margin-top: var(--space-md); }
.author-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--bg-color);
}
.author-name { font-weight: 600; font-size: 0.85rem; }
.author-role { font-size: 0.7rem; color: var(--text-secondary); }
.testimonial-tag { margin-top: var(--space-md); font-size: 0.7rem; color: var(--primary-accent); background: rgba(207,153,209,0.1); display: inline-block; padding: 4px 10px; border-radius: 100px; }

/* ----- FAQ ----- */
.faq-section { padding: var(--space-xxl) 0; background-color: var(--surface-color); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(207, 153, 209, 0.2); }
.faq-question {
    width: 100%;
    text-align: left;
    padding: var(--space-md) 0;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    background: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
}
.faq-question:hover { color: var(--primary-accent); }
.faq-chevron { font-size: 0.8rem; transition: transform var(--transition-fast); }
.faq-question[aria-expanded="true"] .faq-chevron { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}
.faq-answer.active { max-height: 300px; padding-bottom: var(--space-md); }

/* ----- Final CTA ----- */
.final-cta {
    padding: var(--space-xxl) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--surface-color), var(--bg-color));
}
.cta-content { max-width: 700px; margin: 0 auto; }
.cta-badge { display: inline-block; background: rgba(207,153,209,0.2); padding: 6px 16px; border-radius: 100px; font-size: 0.7rem; margin-bottom: var(--space-lg); color: var(--primary-accent); }
.cta-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--space-md); }
.cta-title span { color: var(--primary-accent); }
.cta-text { color: var(--text-secondary); margin-bottom: var(--space-lg); }
.cta-buttons { margin-bottom: var(--space-md); }
.cta-note { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: var(--space-lg); }
.cta-note a { color: var(--primary-accent); text-decoration: underline; }
.cta-trust { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-md); font-size: 0.8rem; color: var(--text-secondary); }
.cta-trust span { display: inline-flex; align-items: center; gap: 6px; }
.cta-trust span::before { content: "✓"; color: var(--primary-accent); }

/* ============================================================
   11. MODAL & FLOATING BUTTON
   ============================================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.7);
    align-items: center;
    justify-content: center;
}
.modal-content {
    background-color: var(--surface-color);
    margin: auto;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    max-width: 480px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    position: relative;
    border: 1px solid var(--border-strong);
}
.close {
    color: var(--text-secondary);
    float: right;
    font-size: 1.75rem;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-fast);
}
.close:hover {
    color: var(--text-primary);
}
.modal .card-icon {
    font-size: 2.5rem;
    color: var(--primary-accent);
    text-align: center;
}
.form-group {
    margin-bottom: var(--space-md);
}
.form-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background: var(--bg-color);
    color: var(--text-primary);
    font-size: 1rem;
}
.form-input:focus {
    outline: 2px solid var(--primary-accent);
    border-color: transparent;
}
.submit-btn {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--primary-accent);
    color: var(--bg-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: background var(--transition-fast);
}
.submit-btn:hover {
    background: var(--highlight);
}
.feedback-message {
    margin-top: var(--space-md);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    text-align: center;
}

.floating-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-accent);
    color: var(--bg-color);
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast), background var(--transition-fast);
    z-index: 100;
}
.floating-btn:hover {
    transform: scale(1.08);
    background: var(--highlight);
}

/* ============================================================
   12. RESPONSIVE OVERRIDES (full)
   ============================================================ */

@media (max-width: 900px) {
    .why-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
    .why-visual { display: none; }
    .learn-steps-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
    .subjects-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .mobile-only { display: block; }
    .desktop-only { display: none; }
}

@media (max-width: 640px) {
    .hero-tags {
        right: 0.75rem;
        top: 0.25rem;
    }
    .hero-bottom-row {
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    .join-btn {
        width: 100%;
        justify-content: center;
    }
    .stat-block {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    .category-strip {
        margin-top: 2rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .cat-card {
        width: 4rem;
        height: 4rem;
    }
    .section-title {
        font-size: 1.75rem;
    }
    .btn-large {
        padding: var(--space-sm) var(--space-md);
        font-size: 1rem;
    }
}

@media (max-width: 540px) {
    .learn-steps-grid { grid-template-columns: 1fr; }
    .subjects-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .modal-content { padding: var(--space-md); }
    .floating-btn { width: 48px; height: 48px; font-size: 1.2rem; bottom: 1rem; right: 1rem; }
}

/* ============================================================
   END
   ============================================================ */