/* ============================================================
   KEWUD IFRAME — DESIGN SYSTEM
   Harmonized with Coverbox 3D Visual Palette (Ocean Blue, Navy Ink & Warm Amber)
   Strict Anti-UI-Slop Standard (No Emojis, Clean SVG/Icons, High Contrast)
   ============================================================ */

:root {
    /* Colors — Cohesive with Coverbox-Kewud-Iframe.png */
    --color-brand-blue: #1d82e2;
    --color-brand-blue-hover: #1565c0;
    --color-navy-ink: #0a2540;
    --color-text-main: #0f172a;
    --color-text-muted: #475569;
    
    --color-accent-amber: #f59e0b;
    --color-highlighter-yellow: #fef08a;
    --color-highlighter-blue: #bae6fd;
    --color-highlighter-mint: #bbf7d0;
    
    --color-canvas-bg: #f8fafc;
    --color-canvas-card: #ffffff;
    --color-canvas-alt: #f1f5f9;
    
    --color-sticky-blue: #e0f2fe;
    --color-sticky-mint: #dcfce7;
    --color-sticky-yellow: #fef3c7;
    --color-sticky-indigo: #e0e7ff;
    
    --color-border-pencil: #cbd5e1;
    --color-border-strong: #0a2540;
    --color-border-blue: #93c5fd;
    --color-white: #ffffff;

    /* Typography */
    --font-bricolage-grotesque: 'Bricolage Grotesque', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-inter: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-roboto-mono: 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing */
    --spacing-8: 8px;
    --spacing-16: 16px;
    --spacing-24: 24px;
    --spacing-32: 32px;
    --spacing-40: 40px;
    --spacing-48: 48px;
    --spacing-56: 56px;
    --spacing-64: 64px;
    --spacing-80: 80px;

    /* Layout */
    --page-max-width: 1200px;
    --section-gap: 56px;
    --card-padding: 28px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-buttons: 6px;
    --radius-cards: 14px;
    --radius-nav: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-subtle: 0 1px 3px rgba(10, 37, 64, 0.06), 0 1px 2px rgba(10, 37, 64, 0.04);
    --shadow-card-hover: 0 14px 30px -4px rgba(10, 37, 64, 0.1);
    --shadow-nav: 0 10px 30px rgba(10, 37, 64, 0.05), 0 1px 3px rgba(10, 37, 64, 0.03);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-inter);
    color: var(--color-text-main);
    background-color: var(--color-canvas-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--page-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Rhythm */
.section-py {
    padding: var(--section-gap) 0;
}
@media (max-width: 768px) {
    .section-py { padding: 40px 0; }
}

.section-header {
    text-align: center;
    max-width: 1140px;
    margin: 0 auto 36px auto;
}

/* Editorial Highlight Marker */
.highlight-yellow {
    background-color: var(--color-highlighter-yellow);
    padding: 2px 8px;
    border-radius: 4px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    display: inline;
}

.highlight-blue {
    background-color: var(--color-highlighter-blue);
    padding: 2px 8px;
    border-radius: 4px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    display: inline;
}

.highlight-mint {
    background-color: var(--color-highlighter-mint);
    padding: 2px 8px;
    border-radius: 4px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    display: inline;
}

/* Functional Tagline Badge */
.tagline-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-sticky-blue);
    color: var(--color-brand-blue-hover);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-family: var(--font-roboto-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 1px solid var(--color-border-blue);
    margin-bottom: 20px;
}

/* Typography Headings */
.display-title {
    font-family: var(--font-bricolage-grotesque);
    font-weight: 800;
    font-size: clamp(28px, 3.6vw, 48px);
    line-height: 1.2;
    letter-spacing: 0.015em;
    color: var(--color-navy-ink);
    max-width: 1140px;
    margin: 0 auto 24px auto;
}

.sec-title {
    font-family: var(--font-bricolage-grotesque);
    font-weight: 800;
    font-size: clamp(24px, 3.2vw, 36px);
    line-height: 1.2;
    letter-spacing: 0.015em;
    color: var(--color-navy-ink);
    max-width: 1160px;
    margin: 0 auto 10px auto;
}

.sec-desc {
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text-muted);
    max-width: 1160px;
    margin: 0 auto;
}

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-inter);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: var(--radius-buttons);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.25;
}

.btn-primary {
    background-color: var(--color-brand-blue);
    color: #ffffff !important;
    border-color: var(--color-brand-blue);
    box-shadow: 0 4px 14px rgba(29, 130, 226, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    background-color: var(--color-brand-blue-hover);
    border-color: var(--color-brand-blue-hover);
    box-shadow: 0 6px 18px rgba(29, 130, 226, 0.4);
}

.btn-navy {
    background-color: var(--color-navy-ink);
    color: #ffffff !important;
    border-color: var(--color-navy-ink);
}
.btn-navy:hover {
    background-color: #041424;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-navy-ink) !important;
    border-color: var(--color-border-pencil);
}
.btn-outline:hover {
    background-color: var(--color-sticky-blue);
    border-color: var(--color-brand-blue);
    color: var(--color-brand-blue) !important;
    transform: translateY(-2px);
}

.btn-amber {
    background-color: var(--color-accent-amber);
    color: #ffffff !important;
    border-color: var(--color-accent-amber);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}
.btn-amber:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============================================================
   TOP ANNOUNCEMENT BAR
   ============================================================ */
.top-bar {
    background-color: var(--color-navy-ink);
    color: #ffffff;
    padding: 10px 16px;
    font-size: 13.5px;
    font-weight: 500;
    text-align: center;
}
.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.top-bar-code {
    background: var(--color-accent-amber);
    color: #ffffff;
    font-family: var(--font-roboto-mono);
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

/* ============================================================
   FLOATING PILL NAVBAR
   ============================================================ */
.nav-wrapper {
    position: sticky;
    top: 20px;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 0 20px;
    margin-top: 16px;
    margin-bottom: 24px;
}

.navbar {
    max-width: 1160px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
    border: 1.5px solid var(--color-border-pencil);
    border-radius: var(--radius-nav);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-nav);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-badge {
    width: 36px;
    height: 36px;
    background-color: var(--color-brand-blue);
    border: 1px solid var(--color-brand-blue-hover);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-bricolage-grotesque);
    font-weight: 800;
    font-size: 18px;
    color: #ffffff;
}

.brand-text {
    font-family: var(--font-inter);
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.01em;
    color: var(--color-navy-ink);
}
.brand-text span {
    font-weight: 500;
    color: var(--color-brand-blue);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}
.nav-menu a {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--color-navy-ink);
}
.nav-menu a:hover {
    color: var(--color-brand-blue);
}

.nav-mobile-item {
    display: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 18px;
    color: var(--color-navy-ink);
    cursor: pointer;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
    padding: 40px 0 80px 0;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 1180px;
    margin: 0 auto 44px auto;
}

.hero-sub {
    font-size: 19px;
    line-height: 1.68;
    color: var(--color-text-muted);
    max-width: 980px;
    margin: 0 auto 36px auto;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-reassurance {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    font-family: var(--font-roboto-mono);
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.hero-reassurance span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hero-reassurance i {
    color: var(--color-brand-blue);
    font-size: 12px;
}

.hero-mockup-wrap {
    max-width: 760px;
    margin: 0 auto;
    position: relative;
}

.hero-mockup-card {
    background: #ffffff;
    border: 1.5px solid var(--color-border-pencil);
    border-radius: var(--radius-cards);
    padding: 24px;
    box-shadow: 0 20px 48px -10px rgba(10, 37, 64, 0.12);
    position: relative;
}

.hero-mockup-img {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: block;
}

/* Hero Floating Functional Tags */
.floating-sticky {
    position: absolute;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border-pencil);
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(10,37,64,0.08);
    z-index: 5;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    animation: float-gentle 4s ease-in-out infinite alternate;
}

.sticky-top-right {
    top: -20px;
    right: -24px;
    background-color: var(--color-sticky-blue);
    color: var(--color-brand-blue-hover);
    border-color: var(--color-border-blue);
    transform: rotate(3deg);
}

.sticky-bottom-left {
    bottom: -20px;
    left: -24px;
    background-color: var(--color-sticky-yellow);
    color: #92400e;
    border-color: #fde68a;
    transform: rotate(-3deg);
}

@keyframes float-gentle {
    0% { transform: translateY(0) rotate(3deg); }
    100% { transform: translateY(-8px) rotate(4deg); }
}

@media (max-width: 768px) {
    .floating-sticky { display: none; }
}

/* ============================================================
   STICKY NOTE CARD GRID
   ============================================================ */
.cards-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (max-width: 900px) {
    .cards-grid-3 { grid-template-columns: 1fr; }
}

.cards-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    align-items: center;
}
@media (max-width: 900px) {
    .cards-grid-2 { grid-template-columns: 1fr; }
}

.cards-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
@media (max-width: 992px) {
    .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .cards-grid-4 { grid-template-columns: 1fr; }
}

/* Sticky Cards */
.sticky-card {
    border-radius: var(--radius-cards);
    padding: 28px 24px;
    border: 1.5px solid var(--color-border-pencil);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
    min-height: 270px;
}

.sticky-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px -4px rgba(10, 37, 64, 0.12);
}

.card-blue { background-color: var(--color-sticky-blue); border-color: var(--color-border-blue); }
.card-mint { background-color: var(--color-sticky-mint); border-color: #a7f3d0; }
.card-yellow { background-color: var(--color-sticky-yellow); border-color: #fde68a; }
.card-indigo { background-color: var(--color-sticky-indigo); border-color: #c7d2fe; }
.card-white { background-color: #ffffff; }

.card-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: #ffffff;
    border: 1.5px solid rgba(10, 37, 64, 0.1);
    box-shadow: 0 4px 12px rgba(10, 37, 64, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-brand-blue);
    margin-bottom: 22px;
}

.card-title {
    font-family: var(--font-bricolage-grotesque);
    font-size: clamp(16px, 1.15vw, 18.5px);
    font-weight: 800;
    letter-spacing: 0.01em;
    color: var(--color-navy-ink);
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.card-desc {
    font-size: 15px;
    color: #334155;
    line-height: 1.62;
}

/* ============================================================
   VIDEO DEMO SHOWCASE SECTION
   ============================================================ */
.video-showcase-wrap {
    max-width: 920px;
    margin: 0 auto;
}

.video-showcase-box {
    background: var(--color-navy-ink);
    border: 2.5px solid var(--color-brand-blue);
    border-radius: var(--radius-cards);
    padding: 12px;
    box-shadow: 0 24px 56px rgba(10, 37, 64, 0.18);
}

.video-responsive-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    overflow: hidden;
    background: #000000;
}

.video-responsive-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================================
   COMPARISON / PROBLEM SECTION
   ============================================================ */
.compare-box {
    background-color: #ffffff;
    border: 1.5px solid var(--color-border-pencil);
    border-radius: var(--radius-cards);
    padding: 32px;
    margin-bottom: 36px;
    box-shadow: 0 4px 16px rgba(10,37,64,0.03);
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.compare-col {
    padding: 28px 24px;
    border-radius: 12px;
}

.col-old {
    background-color: #fff1f2;
    border: 1.5px solid #fecdd3;
}
.col-new {
    background-color: #eff6ff;
    border: 1.5px solid #93c5fd;
}

.compare-badge {
    font-family: var(--font-roboto-mono);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 14px;
    text-transform: uppercase;
}
.badge-old { background-color: #ffe4e6; color: #9f1239; }
.badge-new { background-color: #dbeafe; color: #1e40af; }

.compare-title {
    font-family: var(--font-bricolage-grotesque);
    font-size: 20px;
    font-weight: 800;
    color: var(--color-navy-ink);
    margin-bottom: 14px;
    line-height: 1.3;
}

.compare-list {
    list-style: none;
    font-size: 14.5px;
}
.compare-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    line-height: 1.55;
}
.compare-list li:last-child {
    margin-bottom: 0;
}
.compare-list li i {
    margin-top: 3px;
    flex-shrink: 0;
}
.compare-list li span {
    flex: 1;
}
.compare-list code {
    font-family: var(--font-roboto-mono);
    font-size: 13px;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    word-break: break-word;
}
.text-danger { color: #e11d48; }
.text-success { color: #059669; }

/* ============================================================
   INSTRUCTOR PROFILE
   ============================================================ */
.instructor-card {
    background: #ffffff;
    border: 1.5px solid var(--color-border-pencil);
    border-radius: var(--radius-cards);
    padding: 32px 36px;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    align-items: center;
    box-shadow: 0 4px 20px rgba(10,37,64,0.04);
    margin-bottom: 32px;
}
@media (max-width: 768px) {
    .instructor-card { grid-template-columns: 1fr; text-align: center; padding: 24px; }
}

.instructor-avatar {
    width: 200px;
    height: 200px;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center top;
    border-radius: 16px;
    border: 1.5px solid var(--color-border-pencil);
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.08);
}

.instructor-tag {
    font-family: var(--font-roboto-mono);
    font-size: 12px;
    color: var(--color-brand-blue);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.instructor-name {
    font-family: var(--font-bricolage-grotesque);
    font-size: 28px;
    font-weight: 800;
    color: var(--color-navy-ink);
    margin-bottom: 14px;
}

.instructor-bio {
    font-size: 15.5px;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* ============================================================
   CURRICULUM & SYLLABUS
   ============================================================ */
.mindmap-showcase-box {
    max-width: 1140px;
    margin: 0 auto 36px auto;
}

.syllabus-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    max-width: 1140px;
    margin: 0 auto;
}
@media (max-width: 768px) {
    .syllabus-grid-2col {
        grid-template-columns: 1fr;
    }
}

.syllabus-item {
    background: #ffffff;
    border: 1.5px solid var(--color-border-pencil);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-navy-ink);
    transition: all 0.2s ease;
}
.syllabus-item:hover {
    border-color: var(--color-brand-blue);
    background-color: var(--color-sticky-blue);
    transform: translateX(4px);
    box-shadow: 0 4px 14px rgba(29, 130, 226, 0.08);
}
.syllabus-num {
    font-family: var(--font-roboto-mono);
    font-size: 12px;
    font-weight: 700;
    background: var(--color-brand-blue);
    color: #ffffff;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ============================================================
   TOOLS & WIDGET SHOWCASE
   ============================================================ */
.tools-box {
    background-color: var(--color-sticky-blue);
    border: 1.5px solid var(--color-border-blue);
    border-radius: var(--radius-cards);
    padding: 44px;
}

.tools-feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 32px;
}
@media (max-width: 768px) {
    .tools-feature-row { grid-template-columns: 1fr; }
}

.tools-feature-item {
    background: #ffffff;
    border: 1px solid var(--color-border-pencil);
    border-radius: 10px;
    padding: 24px;
    display: flex;
    flex-direction: column;
}
.tools-img-preview {
    width: 100%;
    border-radius: 6px;
    border: 1px solid rgba(10,37,64,0.08);
    margin-top: 16px;
}

/* ============================================================
   BONUS SECTION
   ============================================================ */
.bonus-card {
    background-color: #f5f3ff;
    border: 1.5px solid #ddd6fe;
    border-radius: var(--radius-cards);
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 36px;
    align-items: center;
}
@media (max-width: 850px) {
    .bonus-card { grid-template-columns: 1fr; }
}

.bonus-tag {
    background: var(--color-navy-ink);
    color: var(--color-accent-amber);
    font-family: var(--font-roboto-mono);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 12px;
}

.bonus-list {
    list-style: none;
    margin: 20px 0 24px 0;
}
.bonus-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-navy-ink);
    margin-bottom: 8px;
}
.bonus-list li i {
    color: #7c3aed;
}

/* ============================================================
   PRICING & CHECKOUT
   ============================================================ */
.pricing-wrap {
    max-width: 680px;
    margin: 0 auto;
    background: #ffffff;
    border: 2px solid var(--color-brand-blue);
    border-radius: var(--radius-cards);
    padding: 44px;
    text-align: center;
    box-shadow: 0 16px 40px rgba(29, 130, 226, 0.12);
    position: relative;
}

.pricing-title {
    font-family: var(--font-bricolage-grotesque);
    font-size: clamp(20px, 2.4vw, 24px);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: 0.015em;
    color: var(--color-navy-ink);
    margin-bottom: 16px;
    text-align: center;
}

.pricing-badge-promo {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent-amber);
    color: #ffffff;
    border: 1px solid #d97706;
    font-family: var(--font-roboto-mono);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.price-strike-box {
    font-size: 16px;
    color: #94a3b8;
    text-decoration: line-through;
    margin-bottom: 4px;
}

.price-main-box {
    font-family: var(--font-bricolage-grotesque);
    font-size: 52px;
    font-weight: 800;
    color: var(--color-navy-ink);
    line-height: 1;
    margin-bottom: 8px;
}

.price-coupon-callout {
    background-color: var(--color-sticky-yellow);
    border: 1px dashed var(--color-accent-amber);
    border-radius: 8px;
    padding: 12px 16px;
    margin: 24px 0;
    font-size: 14px;
    color: #92400e;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pricing-features-list {
    list-style: none;
    text-align: left;
    margin: 28px 0 36px 0;
}
.pricing-features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--color-navy-ink);
    margin-bottom: 12px;
}
.pricing-features-list li i {
    color: var(--color-brand-blue);
    font-size: 16px;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
}

.faq-card {
    background: #ffffff;
    border: 1px solid var(--color-border-pencil);
    border-radius: 10px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.faq-header {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-bricolage-grotesque);
    font-size: 17.5px;
    font-weight: 700;
    color: var(--color-navy-ink);
    text-align: left;
}

.faq-icon-arrow {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-canvas-bg);
    border: 1px solid var(--color-border-pencil);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--color-navy-ink);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-card.active .faq-icon-arrow {
    transform: rotate(180deg);
    background: var(--color-brand-blue);
    color: #ffffff;
    border-color: var(--color-brand-blue);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
    padding: 0 24px;
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.faq-card.active .faq-body {
    padding-bottom: 22px;
}

/* ============================================================
   FINAL CTA & FOOTER
   ============================================================ */
.cta-section-wrap {
    padding: 48px 0;
    background-color: var(--color-canvas-alt);
    border-bottom: 1px solid var(--color-border-pencil);
}

.final-cta {
    background: linear-gradient(135deg, var(--color-navy-ink) 0%, #0c3358 100%);
    color: #ffffff;
    padding: 52px 36px 48px 36px;
    text-align: center;
    border-radius: var(--radius-cards);
    margin: 0 auto;
    max-width: 1140px;
    border: 2px solid rgba(29, 130, 226, 0.35);
    box-shadow: 0 16px 40px rgba(10, 37, 64, 0.16);
}

.final-cta-content {
    max-width: 1040px;
    margin: 0 auto;
}

.cta-badge {
    background: rgba(29, 130, 226, 0.2) !important;
    color: #38bdf8 !important;
    border-color: rgba(56, 189, 248, 0.4) !important;
    margin-bottom: 18px !important;
}

.final-cta-heading {
    font-family: var(--font-bricolage-grotesque);
    font-size: clamp(24px, 3.2vw, 36px);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 14px;
    line-height: 1.3;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta-desc {
    font-size: 16px;
    line-height: 1.6;
    color: #e2e8f0;
    margin-bottom: 24px;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta-reassurance {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13.5px;
    color: #94a3b8;
    margin-top: 22px;
}
.final-cta-reassurance span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.final-cta-reassurance i {
    color: #38bdf8;
}

/* ============================================================
   DISCLAIMER & FOOTER
   ============================================================ */
.footer-custom {
    background: var(--color-navy-ink);
    color: #ffffff;
    padding: 56px 0 32px 0;
    border-top: 4px solid var(--color-brand-blue);
}

.disclaimer-box {
    max-width: 960px;
    margin: 0 auto 36px auto;
    text-align: center;
}

.disclaimer-title {
    font-family: var(--font-bricolage-grotesque);
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 14px;
}

.disclaimer-text {
    font-size: 14px;
    line-height: 1.75;
    color: #cbd5e1;
}

.footer-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 24px;
}

.footer-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-tagline {
    font-size: 14px;
    font-weight: 600;
    color: #e2e8f0;
}

.footer-credit {
    font-size: 14px;
    color: #94a3b8;
}
.footer-credit .text-danger {
    color: #f43f5e;
}

.btn-login-footer {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 18px;
    font-size: 13.5px;
    border-radius: var(--radius-buttons);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-login-footer:hover {
    background: var(--color-brand-blue);
    border-color: var(--color-brand-blue);
    transform: translateY(-2px);
}

/* ============================================================
   VIDEO LIGHTBOX MODAL
   ============================================================ */
.video-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 37, 64, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.video-modal-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    background: #000000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    border: 2px solid var(--color-brand-blue);
}

.video-iframe-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
}

.video-iframe-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.modal-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    z-index: 10;
}
.modal-close-btn:hover {
    background: var(--color-brand-blue);
    color: #ffffff;
}

/* ============================================================
   RESPONSIVE & MOBILE POLISH (TABLET & MOBILE OPTIMIZATION)
   ============================================================ */
@media (max-width: 960px) {
    .nav-wrapper {
        top: 10px;
        padding: 0 12px;
        margin-top: 8px;
        margin-bottom: 16px;
    }

    .navbar {
        padding: 8px 16px;
        position: relative;
    }

    .nav-actions .btn {
        display: none !important;
    }

    .mobile-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 8px;
        background: var(--color-canvas-alt);
        border: 1px solid var(--color-border-pencil);
        color: var(--color-navy-ink);
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        background-color: #ffffff;
        border: 1.5px solid var(--color-border-pencil);
        border-radius: 16px;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 16px 40px rgba(10, 37, 64, 0.16);
        gap: 12px;
        z-index: 1000;
        text-align: center;
    }

    .nav-menu.active {
        display: flex !important;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 8px 12px;
        font-size: 15px;
        font-weight: 600;
        border-radius: 8px;
    }
    .nav-menu a:hover {
        background: var(--color-sticky-blue);
    }

    .nav-mobile-item {
        display: block !important;
        margin-top: 4px;
        padding-top: 8px;
        border-top: 1px solid var(--color-border-pencil);
    }
    .nav-mobile-item .btn {
        display: inline-flex !important;
        width: 100%;
        justify-content: center;
        padding: 11px 16px;
    }
}

@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        width: 100%;
    }

    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    /* Top Announcement Bar */
    .top-bar {
        padding: 8px 12px;
        font-size: 12px;
        line-height: 1.4;
    }
    .top-bar-inner {
        justify-content: center;
        gap: 4px;
    }

    /* Hero Section */
    .hero-section {
        padding: 16px 0 40px 0;
    }
    .hero-content {
        margin-bottom: 24px;
    }
    .tagline-badge {
        font-size: 11px;
        padding: 6px 14px;
        letter-spacing: 0.02em;
        margin-bottom: 14px;
        max-width: 100%;
        white-space: normal;
    }
    .display-title {
        font-size: clamp(23px, 6.5vw, 30px);
        line-height: 1.25;
        margin-bottom: 12px;
    }
    .hero-sub {
        font-size: 14.5px;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    .hero-ctas {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    .hero-ctas .btn {
        width: 100%;
        padding: 13px 20px;
        font-size: 15px;
    }
    .hero-reassurance {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        font-size: 12.5px;
        background: rgba(29, 130, 226, 0.06);
        padding: 12px 14px;
        border-radius: 10px;
        border: 1px solid var(--color-border-blue);
        width: 100%;
        margin-top: 14px;
    }
    .floating-sticky {
        display: none !important;
    }

    /* General Sections */
    .section-py {
        padding: 40px 0;
    }
    .section-header {
        margin-bottom: 24px;
    }
    .sec-title {
        font-size: clamp(21px, 5.5vw, 25px);
        line-height: 1.3;
    }
    .sec-desc {
        font-size: 14px;
        line-height: 1.55;
    }

    /* Cards & Grids */
    .compare-box {
        padding: 0 !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        margin-bottom: 24px !important;
    }

    .compare-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .compare-col {
        padding: 20px 16px;
        border-radius: 12px;
    }

    .compare-title {
        font-size: 17.5px;
        margin-bottom: 12px;
    }

    .compare-list li {
        font-size: 13.5px;
        margin-bottom: 10px;
        gap: 8px;
    }

    .compare-list code {
        font-size: 12px;
        padding: 1px 4px;
    }

    .cards-grid-4,
    .cards-grid-3,
    .syllabus-grid-2col,
    .tools-feature-row {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .sticky-card {
        padding: 20px 16px;
        border-radius: 12px;
    }
    .card-title {
        font-size: 16.5px !important;
        white-space: normal !important;
    }

    /* Instructor & Mindmap */
    .instructor-card {
        flex-direction: column;
        text-align: center;
        padding: 22px 16px;
        gap: 16px;
        border-radius: 12px;
    }
    .instructor-avatar {
        width: 140px;
        height: 140px;
        aspect-ratio: 1 / 1;
        object-fit: cover;
        object-position: center top;
        margin: 0 auto;
        border-radius: 16px;
    }
    .mindmap-showcase-box .sticky-card {
        padding: 16px 12px;
    }

    /* Syllabus */
    .syllabus-item {
        grid-column: span 1 !important;
        padding: 12px 14px;
        font-size: 13.5px;
    }

    /* Tools Showcase */
    .tools-box {
        padding: 24px 16px;
    }

    /* Pricing Card */
    .pricing-wrap {
        padding: 32px 16px 24px 16px;
    }
    .pricing-title {
        font-size: 19px !important;
        line-height: 1.35;
    }
    .price-main-box {
        font-size: 36px;
    }
    .price-coupon-callout {
        flex-direction: column;
        gap: 6px;
        font-size: 13px;
        padding: 10px 12px;
    }
    .pricing-features-list li {
        font-size: 14px;
        gap: 8px;
    }

    /* Final CTA */
    .cta-section-wrap {
        padding: 32px 0;
    }
    .final-cta {
        padding: 36px 16px 30px 16px;
        margin: 0 auto;
    }
    .final-cta-heading {
        font-size: 21px;
        line-height: 1.3;
    }
    .final-cta-desc {
        font-size: 14px;
        line-height: 1.55;
    }
    .btn {
        white-space: normal !important;
        line-height: 1.35;
        text-align: center;
        word-break: normal;
    }
    .btn-lg {
        padding: 13px 18px !important;
        font-size: 14.5px !important;
    }
    .final-cta .btn {
        width: 100%;
        max-width: 100%;
        padding: 14px 16px !important;
        font-size: 14.5px !important;
        white-space: normal !important;
        box-sizing: border-box;
    }
    .final-cta-reassurance {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        font-size: 12px;
    }

    /* Disclaimer & Footer */
    .footer-custom {
        padding: 40px 0 24px 0;
    }
    .disclaimer-box {
        margin-bottom: 24px;
    }
    .disclaimer-title {
        font-size: 18px;
    }
    .disclaimer-text {
        font-size: 13px;
        line-height: 1.65;
        text-align: center;
    }
    .footer-bar-inner {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    .btn-login-footer {
        width: 100%;
        justify-content: center;
    }
}