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

:root {
    /* Colors */
    --primary: #2563EB;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-bg: #eff6ff;
    --primary-bg-deep: #dbeafe;

    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --text: #334155;
    --text-light: #64748b;
    --text-lighter: #94a3b8;

    --white: #ffffff;
    --off-white: #f8fafc;
    --gray-50: #f1f5f9;
    --gray-100: #e2e8f0;
    --gray-200: #cbd5e1;

    --accent-green: #16a34a;
    --accent-amber: #d97706;
    --accent-purple: #7c3aed;

    /* Spacing */
    --section-py: 6rem;
    --container-px: 1.25rem;

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-px);
}

.section {
    padding: var(--section-py) 0;
    position: relative;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.section-label--light {
    color: rgba(255, 255, 255, 0.7);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: 1rem;
}

.section-header--light h2 {
    color: var(--white);
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}
.btn-white:hover {
    background: var(--off-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.site-header.scrolled {
    border-bottom-color: var(--gray-100);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--dark);
}
.logo strong {
    font-weight: 800;
    color: var(--primary);
}

.main-nav ul {
    display: flex;
    gap: 2rem;
}
.main-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    transition: color var(--transition);
    position: relative;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
}
.main-nav a:hover {
    color: var(--primary);
}
.main-nav a:hover::after {
    width: 100%;
}

.btn-nav {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    background: linear-gradient(135deg, #f0f7ff 0%, #e0edff 40%, #f5f0ff 100%);
    padding-top: 7rem;
    padding-bottom: 4rem;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 120%;
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badges {
    display: flex;
    gap: 0.625rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 100px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.125rem);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}
.proof-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 420px;
}

.visual-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    transition: transform var(--transition-slow);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.visual-card--main {
    top: 10%;
    left: 5%;
    z-index: 3;
}
.visual-card--chart {
    top: 35%;
    right: 0;
    z-index: 2;
    flex-direction: column;
    padding: 1.5rem;
}
.visual-card--ppt {
    bottom: 20%;
    left: 0;
    z-index: 2;
}
.visual-card--bi {
    bottom: 5%;
    right: 10%;
    z-index: 3;
}

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

.visual-dot {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.visual-dot--1 {
    width: 12px;
    height: 12px;
    background: var(--primary);
    opacity: 0.15;
    top: 5%;
    right: 20%;
}
.visual-dot--2 {
    width: 20px;
    height: 20px;
    background: var(--accent-amber);
    opacity: 0.12;
    bottom: 35%;
    left: 15%;
}
.visual-dot--3 {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    opacity: 0.2;
    top: 50%;
    right: 5%;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
}
.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* ============================================
   POSITIONING
   ============================================ */
.positioning {
    padding-top: 5rem;
}

.positioning-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: start;
}

.positioning-text h2 {
    font-size: clamp(1.625rem, 3vw, 2.25rem);
    margin-bottom: 1.25rem;
}

.positioning-text > p {
    color: var(--text-light);
    font-size: 1.0625rem;
    margin-bottom: 2rem;
    line-height: 1.75;
}

.check-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dark-secondary);
}
.check-list li svg {
    flex-shrink: 0;
}

.positioning-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 1rem;
}

.pos-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all var(--transition);
}
.pos-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-bg-deep);
    transform: translateY(-2px);
}

.pos-card-icon {
    margin-bottom: 1rem;
}

.pos-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}
.pos-card p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.65;
}

/* ============================================
   PROGRAMS
   ============================================ */
.programs {
    background: var(--off-white);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.program-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition);
    position: relative;
}
.program-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: transparent;
}

.program-card--featured {
    border-top: 3px solid var(--primary);
}

/* Word card spans full width on the bottom */
.program-card:nth-child(4) {
    grid-column: 1 / -1;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
}

.program-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.program-badge {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
}

.program-card h3 {
    font-size: 1.375rem;
    margin-bottom: 0.75rem;
}

.program-card > p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.program-topics {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.program-topics li {
    font-size: 0.875rem;
    color: var(--text);
    padding-left: 1.25rem;
    position: relative;
    line-height: 1.5;
}
.program-topics li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.5;
}

/* ============================================
   METHODOLOGY
   ============================================ */
.methodology {
    background: var(--white);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.method-step {
    display: flex;
    gap: 1.25rem;
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: var(--off-white);
    border: 1px solid var(--gray-100);
    transition: all var(--transition);
}
.method-step:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-bg-deep);
}

.method-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
    flex-shrink: 0;
}

.method-content h3 {
    font-size: 1.0625rem;
    margin-bottom: 0.5rem;
}
.method-content p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.65;
}

/* ============================================
   DIFFERENTIALS
   ============================================ */
.differentials {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e293b 100%);
    color: var(--white);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.diff-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition);
}
.diff-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.18);
}

.diff-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
}

.diff-card h3 {
    color: var(--white);
    font-size: 1.0625rem;
    margin-bottom: 0.625rem;
    line-height: 1.35;
}
.diff-card p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.65;
}

/* ============================================
   PLAN STRUCTURE
   ============================================ */
.plan-structure {
    background: var(--off-white);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.plan-item {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    text-align: center;
    transition: all var(--transition);
}
.plan-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: transparent;
}

.plan-item-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.plan-item h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}
.plan-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   INVESTMENT
   ============================================ */
.investment {
    background: var(--white);
}

.invest-wrapper {
    max-width: 560px;
    margin: 0 auto;
}

.invest-card {
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.invest-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.invest-card-header {
    text-align: center;
    margin-bottom: 2rem;
}
.invest-card-header h3 {
    font-size: 1.5rem;
    color: var(--dark);
}
.invest-card-header p {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.invest-card-price {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.75rem;
    background: var(--primary-bg);
    border-radius: var(--radius);
}

.price-per-class {
    margin-bottom: 1rem;
}
.price-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}
.price-value {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}
.price-cents {
    font-size: 1.5rem;
    font-weight: 700;
}

.price-divider {
    width: 60px;
    height: 1px;
    background: var(--gray-200);
    margin: 1rem auto;
}

.price-total-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--dark);
    margin-top: 0.25rem;
}

.invest-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}
.invest-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text);
}
.invest-features li svg {
    flex-shrink: 0;
}

.invest-material {
    background: var(--off-white);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}
.material-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9375rem;
}
.material-row span {
    color: var(--text-light);
}
.material-row strong {
    color: var(--dark);
    font-weight: 700;
}

.invest-payment {
    text-align: center;
    margin-bottom: 1.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--off-white);
}
.invest-payment p {
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

/* ============================================
   COMPARISON
   ============================================ */
.comparison {
    background: var(--off-white);
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.compare-card {
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    position: relative;
}

.compare-card--generic {
    background: var(--white);
    border: 1px solid var(--gray-100);
}
.compare-card--generic h3 {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}
.compare-card--generic li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: 0.875rem;
    line-height: 1.5;
}
.compare-card--generic li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.compare-card--individual {
    background: var(--white);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
}
.compare-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--white);
    background: var(--primary);
    padding: 0.375rem 0.875rem;
    border-radius: 100px;
    margin-bottom: 1rem;
}
.compare-card--individual h3 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}
.compare-card--individual li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text);
    margin-bottom: 0.875rem;
    line-height: 1.5;
    font-weight: 500;
}
.compare-card--individual li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   FAQ
   ============================================ */
.faq {
    background: var(--white);
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-100);
}
.faq-item:first-child {
    border-top: 1px solid var(--gray-100);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.375rem 0;
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    list-style: none;
    transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-light);
    transition: transform var(--transition);
    flex-shrink: 0;
    margin-left: 1rem;
}
.faq-item[open] summary::after {
    content: '\2212';
}
.faq-item summary:hover {
    color: var(--primary);
}

.faq-answer {
    padding-bottom: 1.375rem;
}
.faq-answer p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}

.cta-final-content {
    max-width: 680px;
    margin: 0 auto;
}

.cta-final h2 {
    color: var(--white);
    font-size: clamp(1.5rem, 3vw, 2.125rem);
    margin-bottom: 1.25rem;
    line-height: 1.3;
}
.cta-final p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-final-actions {
    margin-bottom: 1rem;
}

.cta-note {
    font-size: 0.875rem !important;
    color: rgba(255, 255, 255, 0.5) !important;
    margin-bottom: 0 !important;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 3.5rem 0 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    margin-bottom: 0.75rem;
}
.footer-brand .logo span {
    color: rgba(255, 255, 255, 0.9);
}
.footer-brand > p {
    font-size: 0.875rem;
    max-width: 300px;
    line-height: 1.6;
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}
.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
    transition: all var(--transition);
}
.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

/* Pulse animation */
.whatsapp-float::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, 0.4);
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* ============================================
   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].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --section-py: 4.5rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-badges {
        justify-content: center;
    }

    .hero-sub {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-ctas {
        justify-content: center;
    }

    .hero-proof {
        justify-content: center;
    }

    .hero-visual {
        order: 2;
        min-height: 320px;
    }

    .positioning-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .program-card:nth-child(4) {
        grid-column: 1 / -1;
    }

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

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

    .btn-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: 5rem 2rem 2rem;
        transition: right var(--transition);
        z-index: 1000;
    }

    .main-nav.open {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav a {
        display: block;
        padding: 1rem 0;
        font-size: 1.0625rem;
        border-bottom: 1px solid var(--gray-100);
    }

    .main-nav a::after {
        display: none;
    }
}

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 640px) {
    :root {
        --section-py: 3.5rem;
        --container-px: 1rem;
    }

    .hero {
        min-height: auto;
        padding-top: 6rem;
        padding-bottom: 3rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-sub {
        font-size: 1rem;
    }

    .hero-visual {
        min-height: 280px;
    }

    .visual-card {
        padding: 0.875rem 1rem;
        font-size: 0.75rem;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

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

    .program-card:nth-child(4) {
        max-width: 100%;
    }

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

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

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

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

    .compare-card--individual {
        order: -1;
    }

    .invest-card {
        padding: 1.75rem;
    }

    .price-value {
        font-size: 2.5rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 2rem;
    }

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

    .hero-ctas .btn {
        width: 100%;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
    }

    .cta-final {
        padding: 3.5rem 0;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .whatsapp-float::after {
        animation: none;
    }

    .visual-card:hover {
        transform: none;
    }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
    .site-header,
    .whatsapp-float,
    .hero-wave,
    .menu-toggle {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding-top: 2rem;
    }

    .section {
        padding: 2rem 0;
    }

    body {
        color: #000;
    }
}