/* ============================================
   ENGSYSTEM CURSOS - Premium Landing Page
   Color Palette: Dark Navy + Gold Accent
   ============================================ */

/* === CSS Variables === */
:root {
    --bg-primary: #0a1628;
    --bg-secondary: #0d1f3c;
    --bg-tertiary: #112240;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    --gold: #c9a84c;
    --gold-light: #e0c76a;
    --gold-dark: #a68a3a;
    --gold-glow: rgba(201, 168, 76, 0.3);

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --border-gold: rgba(201, 168, 76, 0.3);

    --gradient-gold: linear-gradient(135deg, #c9a84c, #e0c76a);
    --gradient-bg: linear-gradient(180deg, #0a1628 0%, #0d1f3c 50%, #0a1628 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-gold: 0 8px 32px rgba(201, 168, 76, 0.2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --eng-color: #3b82f6;
    --data-color: #8b5cf6;
    --safety-color: #10b981;
    --spda-color: #f59e0b;
    --powerbi-color: #8b5cf6;
    --solar-color: #f97316;
    --areas-color: #ef4444;
}

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

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

body {
    font-family: var(--font);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* === Selection === */
::selection {
    background: var(--gold);
    color: var(--bg-primary);
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold-dark);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn--primary {
    background: var(--gradient-gold);
    color: var(--bg-primary);
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(201, 168, 76, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-hover);
}

.btn--outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201, 168, 76, 0.05);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn--full {
    width: 100%;
}

/* === Text Utilities === */
.text-gradient {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gold);
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.navbar__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.2rem;
}

.navbar__logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-gold);
    color: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 900;
    font-family: monospace;
}

.navbar__logo-text {
    letter-spacing: 1px;
}

.navbar__logo-badge {
    background: rgba(201, 168, 76, 0.15);
    color: var(--gold);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.navbar__link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.navbar__link:hover,
.navbar__link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.navbar__cta {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.navbar__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero__particles {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 30%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    z-index: 0;
}

.hero__container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: rgba(201, 168, 76, 0.08);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gold);
    margin-bottom: 24px;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 540px;
}

.hero__subtitle strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero__actions {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: 48px;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.hero__stat-suffix {
    font-size: 1.5rem;
}

.hero__stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hero Visual - Floating Cards */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__card-stack {
    position: relative;
    width: 380px;
    height: 380px;
}

.hero__floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 28px;
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.hero__floating-card i {
    font-size: 1.4rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.hero__floating-card--1 {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.hero__floating-card--1 i {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.hero__floating-card--2 {
    top: 5%;
    right: 5%;
    animation-delay: 1.5s;
}

.hero__floating-card--2 i {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.hero__floating-card--3 {
    bottom: 20%;
    left: 0;
    animation-delay: 3s;
}

.hero__floating-card--3 i {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.hero__floating-card--4 {
    bottom: 5%;
    right: 10%;
    animation-delay: 4.5s;
}

.hero__floating-card--4 i {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: scroll-bounce 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   E-BOOK / LEAD MAGNET
   ============================================ */
.ebook {
    padding: 120px 0;
    position: relative;
    background: var(--bg-secondary);
}

.ebook::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

.ebook__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.ebook__features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 32px 0;
}

.ebook__features li {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1rem;
    color: var(--text-secondary);
}

.ebook__features li i {
    color: var(--gold);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.ebook__trust {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.ebook__trust i {
    color: var(--gold);
}

/* Form Card */
.ebook__form-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.ebook__form-header {
    text-align: center;
    margin-bottom: 32px;
}

.ebook__form-header i {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 16px;
}

.ebook__form-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.ebook__form-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group label i {
    color: var(--gold);
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--gold);
    background: rgba(201, 168, 76, 0.04);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8.825L.35 3.175 1.175 2.35 6 7.175l4.825-4.825.825.825z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-disclaimer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 16px;
    line-height: 1.5;
}

.ebook__form .btn {
    margin-top: 8px;
    font-size: 1.1rem;
    padding: 18px 36px;
}

.ebook__form .btn .fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   AREAS SECTION
   ============================================ */
.areas {
    padding: 120px 0;
    position: relative;
}

.areas__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.area-card {
    position: relative;
    padding: 40px 32px;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    overflow: hidden;
}

.area-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    opacity: 0;
    transition: var(--transition);
}

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

.area-card:hover::before {
    opacity: 1;
}

.area-card--featured {
    border-color: var(--border-gold);
    background: linear-gradient(145deg, rgba(201, 168, 76, 0.06) 0%, rgba(255,255,255,0.02) 100%);
}

.area-card--featured::before {
    opacity: 1;
}

.area-card__popular {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-gold);
    color: var(--bg-primary);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.area-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: 2rem;
    margin: 0 auto 24px;
}

.area-card__icon--eng {
    background: rgba(59, 130, 246, 0.12);
    color: var(--eng-color);
}

.area-card__icon--data {
    background: rgba(139, 92, 246, 0.12);
    color: var(--data-color);
}

.area-card__icon--safety {
    background: rgba(16, 185, 129, 0.12);
    color: var(--safety-color);
}

.area-card__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.area-card__desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.area-card__tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.tag {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================================
   COURSES SECTION
   ============================================ */
.courses {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.courses::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

.courses__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.course-card {
    position: relative;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.course-card__badge {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-card__badge--soon {
    background: rgba(201, 168, 76, 0.15);
    color: var(--gold);
    border: 1px solid var(--border-gold);
}

.course-card__badge--available {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.course-card__header {
    position: relative;
    padding: 40px 32px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.course-card__header::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.06;
    transition: var(--transition);
}

.course-card__header--spda::before {
    background: linear-gradient(135deg, #f59e0b, transparent);
}

.course-card__header--powerbi::before {
    background: linear-gradient(135deg, #8b5cf6, transparent);
}

.course-card__header--solar::before {
    background: linear-gradient(135deg, #f97316, transparent);
}

.course-card__header--areas::before {
    background: linear-gradient(135deg, #ef4444, transparent);
}

.course-card__icon {
    position: relative;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

.course-card__header--spda .course-card__icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--spda-color);
}

.course-card__header--powerbi .course-card__icon {
    background: rgba(139, 92, 246, 0.15);
    color: var(--powerbi-color);
}

.course-card__header--solar .course-card__icon {
    background: rgba(249, 115, 22, 0.15);
    color: var(--solar-color);
}

.course-card__header--areas .course-card__icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--areas-color);
}

.course-card__category {
    position: relative;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-card__body {
    padding: 0 32px 24px;
    flex: 1;
}

.course-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.course-card__desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.course-card__topics {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.course-card__topics li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.course-card__topics li i {
    color: var(--gold);
    font-size: 0.8rem;
}

.course-card__footer {
    padding: 24px 32px 32px;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    padding: 120px 0;
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.benefit-card {
    padding: 36px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

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

.benefit-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    color: var(--gold);
    margin-bottom: 24px;
}

.benefit-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 64px;
    background: linear-gradient(145deg, rgba(201, 168, 76, 0.1) 0%, rgba(201, 168, 76, 0.03) 100%);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
}

.cta-card__content h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-card__content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 480px;
}

.cta-card__circle {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    border-radius: 50%;
    font-size: 3rem;
    color: var(--bg-primary);
    flex-shrink: 0;
    animation: float 4s ease-in-out infinite;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

.faq__list {
    max-width: 768px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.faq__item.active {
    border-color: var(--border-gold);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.faq__question:hover {
    color: var(--gold);
}

.faq__question i {
    font-size: 0.8rem;
    color: var(--gold);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq__item.active .faq__question i {
    transform: rotate(180deg);
}

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

.faq__answer p {
    padding: 0 28px 24px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 80px 0 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
}

.footer__top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer__brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.7;
    max-width: 280px;
}

.footer__links h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer__links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--gold);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    font-size: 1.6rem;
    color: #fff;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__tooltip {
    position: absolute;
    right: 72px;
    background: #fff;
    color: #333;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   SUCCESS MODAL
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal__content {
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    max-width: 480px;
    width: 90%;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal.active .modal__content {
    transform: scale(1) translateY(0);
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal__close:hover {
    color: var(--text-primary);
}

.modal__icon {
    font-size: 4rem;
    color: var(--gold);
    margin-bottom: 24px;
}

.modal__content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.modal__content > p {
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.modal__content .btn {
    margin-bottom: 16px;
}

.modal__sub {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .hero__subtitle {
        margin: 0 auto 36px;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__visual {
        display: none;
    }

    .ebook__container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .areas__grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

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

    .benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .navbar__menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 16px;
        z-index: 998;
    }

    .navbar__menu.active {
        display: flex;
    }

    .navbar__menu .navbar__link {
        font-size: 1.2rem;
        padding: 12px 24px;
    }

    .navbar__cta {
        display: none;
    }

    .navbar__toggle {
        display: flex;
        z-index: 999;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
    }

    .hero__actions .btn {
        width: 100%;
        max-width: 320px;
    }

    .hero__stats {
        flex-direction: column;
        gap: 24px;
        align-items: center;
    }

    .hero__scroll-indicator {
        display: none;
    }

    .ebook,
    .areas,
    .courses,
    .benefits,
    .faq {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .ebook__form-card {
        padding: 28px;
    }

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

    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 40px 28px;
    }

    .cta-card__content p {
        margin-left: auto;
        margin-right: auto;
    }

    .footer__top {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero__badge {
        font-size: 0.75rem;
        padding: 8px 16px;
    }

    .hero__title {
        font-size: 1.75rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .course-card__body,
    .course-card__header,
    .course-card__footer {
        padding-left: 24px;
        padding-right: 24px;
    }

    .faq__question {
        padding: 20px;
        font-size: 0.9rem;
    }

    .faq__answer p {
        padding: 0 20px 20px;
        font-size: 0.88rem;
    }
}