/* ==========================================================================
   DESIGN SYSTEM & CUSTOM PROPERTIES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    /* Colors */
    --bg-deep: #060913;
    --bg-dark: #0b1120;
    --bg-card: rgba(17, 24, 39, 0.6);
    --border-glass: rgba(255, 255, 255, 0.05);
    --border-glass-glow: rgba(99, 102, 241, 0.2);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Accents & Gradients */
    --accent-indigo: #6366f1;
    --accent-violet: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    --gradient-card-hover: linear-gradient(145deg, rgba(99, 102, 241, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    --gradient-text: linear-gradient(135deg, #f8fafc 30%, #94a3b8 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.5) 0%, rgba(139, 92, 246, 0.5) 100%);
    
    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Effects */
    --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 24px -4px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --blur-glass: blur(12px);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --max-width: 1280px;
    --header-height: 80px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* ==========================================================================
   UTILITY CLASSES & ANIMATIONS
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-cyan {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background: var(--gradient-card);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5), var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-indigo);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* Background Blobs */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-indigo);
    top: -100px;
    right: -100px;
    animation: float-slow 15s infinite alternate;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-cyan);
    top: 50%;
    left: -200px;
    animation: float-slow 20s infinite alternate-reverse;
}

.blob-3 {
    width: 600px;
    height: 600px;
    background: var(--accent-violet);
    bottom: -200px;
    right: -200px;
    animation: float-slow 18s infinite alternate;
}

@keyframes float-slow {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, -50px) scale(1.1); }
    100% { transform: translate(-30px, 40px) scale(0.9); }
}

/* Scroll Animation Utilities */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(6, 9, 19, 0.7);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    transition: var(--transition-fast);
}

.header.scrolled {
    height: 70px;
    background: rgba(6, 9, 19, 0.85);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.nav-cta {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    margin-bottom: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
    100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
}

.hero-feat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-feat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    border-radius: 12px;
    border: 1px solid rgba(6, 182, 212, 0.2);
    flex-shrink: 0;
}

.hero-feat-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

/* Hero Visual / Right Column */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-sphere {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: var(--gradient-primary);
    filter: blur(2px);
    opacity: 0.6;
    box-shadow: var(--shadow-glow);
    position: relative;
    animation: float 6s infinite ease-in-out;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Floating Elements around Sphere */
.floating-card {
    position: absolute;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    animation: float-card 8s infinite ease-in-out;
}

.fc-1 {
    top: 10%;
    left: -10%;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.3);
    animation-delay: 0s;
}

.fc-2 {
    bottom: 15%;
    right: -5%;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(6, 182, 212, 0.3);
    animation-delay: 2s;
}

.fc-3 {
    bottom: 45%;
    left: -20%;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(244, 63, 94, 0.3);
    animation-delay: 4s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-12px) scale(1.02); }
}

.fc-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.fc-1 .fc-icon { background: rgba(99, 102, 241, 0.15); color: var(--accent-indigo); }
.fc-2 .fc-icon { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.fc-3 .fc-icon { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
.section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-header h2 {
    font-size: 2.8rem;
    letter-spacing: -0.02em;
    margin-top: 1rem;
    margin-bottom: 1.25rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* ==========================================================================
   PILLARS / OBJECTIVES
   ========================================================================== */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.pillar-card {
    padding: 2.5rem 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border: 1px solid var(--border-glass);
}

.pillar-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glass-glow);
    background: var(--gradient-card-hover);
}

.pillar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent-indigo);
    border: 1px solid rgba(99, 102, 241, 0.15);
    margin-bottom: 1.75rem;
    transition: var(--transition-smooth);
}

.pillar-card:hover .pillar-icon {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.pillar-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.pillar-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   PENSUM / SYLLABUS
   ========================================================================== */
.pensum-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.module-card {
    padding: 2.5rem 2rem;
    cursor: pointer;
    border: 1px solid var(--border-glass);
    position: relative;
    overflow: hidden;
}

.module-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-glow);
    background: var(--gradient-card-hover);
}

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.module-badge {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.module-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    border: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

.module-card:hover .module-arrow {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    transform: translateX(3px);
}

.module-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.module-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.module-details {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease-out, opacity 0.4s ease-out;
}

.module-card.expanded {
    border-color: var(--border-glass-glow);
    box-shadow: var(--shadow-glow);
    background: rgba(17, 24, 39, 0.8);
}

.module-card.expanded .module-arrow {
    transform: rotate(90deg);
    background: var(--accent-indigo);
    color: white;
}

.module-card.expanded .module-details {
    max-height: 500px;
    opacity: 1;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.topics-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.topic-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.topic-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.topic-list li svg {
    color: var(--accent-indigo);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* ==========================================================================
   PRICING / INVESTMENT PLANS
   ========================================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    align-items: stretch;
    padding-top: 2rem;
}

.pricing-card {
    padding: 3.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    border: 1px solid var(--border-glass);
    background: rgba(11, 17, 32, 0.7);
    transition: var(--transition-smooth);
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-glass-glow);
    box-shadow: var(--shadow-glow);
}

.pricing-card.popular {
    border-color: var(--accent-indigo);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
    background: rgba(17, 24, 39, 0.85);
    transition: var(--transition-smooth);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.25);
}

.pricing-card.popular::before {
    content: "RECOMENDADO";
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.3rem 0.8rem;
    font-size: 0.7rem;
    font-weight: 800;
    border-radius: 4px;
    background: var(--gradient-primary);
    color: #fff;
    letter-spacing: 0.05em;
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pricing-value {
    margin: 2rem 0;
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price-number {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-primary);
}

.price-period {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-features li svg {
    color: var(--accent-indigo);
    flex-shrink: 0;
}

.pricing-features li.unavailable {
    color: var(--text-muted);
}

.pricing-features li.unavailable svg {
    color: var(--text-muted);
}

.pricing-cta {
    width: 100%;
}

.pricing-cta svg {
    margin-left: 0.5rem;
    transition: var(--transition-fast);
}

.pricing-cta:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   INSTRUCTOR PROFILE
   ========================================================================== */
.instructor-card {
    padding: 3.5rem;
    border: 1px solid var(--border-glass);
}

.instructor-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.instructor-photo-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.instructor-frame {
    width: 280px;
    height: 280px;
    border-radius: 32px;
    background: var(--gradient-primary);
    padding: 4px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.instructor-img {
    width: 100%;
    height: 100%;
    border-radius: 28px;
    object-fit: cover;
    display: block;
}

.instructor-img-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 28px;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--text-secondary);
}

.instructor-img-placeholder svg {
    width: 90px;
    height: 90px;
    color: rgba(99, 102, 241, 0.4);
    margin-bottom: 1rem;
}

.instructor-frame::after {
    content: "";
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 1px dashed rgba(99, 102, 241, 0.3);
    border-radius: 40px;
    z-index: -1;
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.instructor-info h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.instructor-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
}

.instructor-bio {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.instructor-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.inst-meta-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    padding: 0.5rem 1.25rem;
    border-radius: 12px;
    color: var(--text-secondary);
}

.inst-meta-item svg {
    color: var(--accent-indigo);
}

/* ==========================================================================
   CONTACT / PRE-REGISTRATION FORM
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: flex-start;
}

.contact-info-panel h3 {
    font-size: 2.2rem;
    margin-bottom: 1.25rem;
}

.contact-info-panel p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.cd-item {
    display: flex;
    gap: 1.25rem;
}

.cd-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent-indigo);
    border: 1px solid rgba(99, 102, 241, 0.15);
    flex-shrink: 0;
}

.cd-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.cd-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Form Styling */
.contact-form-card {
    padding: 3.5rem;
    border: 1px solid var(--border-glass);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.form-group {
    margin-bottom: 1.75rem;
    position: relative;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
    background: rgba(15, 23, 42, 0.9);
}

select.form-input {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 1.25rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    padding-right: 3rem;
}

.form-btn {
    width: 100%;
    padding: 1.1rem;
    font-size: 1.05rem;
    margin-top: 1rem;
}

.form-btn svg {
    margin-left: 0.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    padding: 5rem 0 3rem;
    border-top: 1px solid var(--border-glass);
    background: #04070e;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-brand .logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 450px;
    margin-bottom: 1.5rem;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-links-col h4 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.footer-links-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links-col a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links-col a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE STYLES
   ========================================================================== */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 3.5rem;
    }
    .pricing-grid {
        gap: 1.5rem;
    }
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-features {
        max-width: 650px;
    }
    
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pensum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1.2fr;
        justify-content: center;
        gap: 2.5rem;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .instructor-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .instructor-photo-wrapper {
        justify-content: center;
    }
    
    .instructor-meta {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .nav {
        display: none; /* Mobile menu will toggle */
    }
    
    .menu-toggle {
        display: flex;
    }
    
    /* Active mobile nav styles */
    .header.active .nav {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border-glass);
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .pensum-grid {
        grid-template-columns: 1fr;
    }
    
    .instructor-card {
        padding: 2rem 1.5rem;
    }
    
    .contact-form-card {
        padding: 2rem 1.5rem;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}