/* ========================================
   HARDWARE COURSE LANDING PAGE - STYLES
   Go Up Treinamentos Profissionais
   ======================================== */

:root {
    /* Hardware/PCB Color Palette */
    --pcb-green: #00ff88;
    --pcb-green-dark: #00cc6a;
    --pcb-green-light: #4dffaa;
    --copper: #d4a574;
    --copper-dark: #b8956a;
    --copper-light: #e8c49a;
    --neon-purple: #a855f7;
    --neon-blue: #38bdf8;
    --neon-cyan: #22d3ee;
    --chip-gray: #2a2a2a;
    
    /* Background Colors */
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --card-bg: rgba(40, 40, 40, 0.6);
    --card-hover: rgba(60, 60, 60, 0.8);
    --border-color: rgba(0, 255, 136, 0.15);
    --border-glow: rgba(0, 255, 136, 0.3);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0b3a8;
    --text-muted: #6b7a72;
    
    /* Gradients */
    --gradient-pcb: linear-gradient(135deg, #00ff88, #00cc6a);
    --gradient-copper: linear-gradient(135deg, #d4a574, #e8c49a);
    --gradient-neon: linear-gradient(135deg, #a855f7, #38bdf8);
    --gradient-circuit: linear-gradient(90deg, transparent, #00ff88, transparent);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "Segoe UI", sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   CIRCUIT BOARD BACKGROUND
   ======================================== */
.circuit-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 255, 136, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, 0.06) 0%, transparent 50%),
        var(--dark-bg);
}

.circuit-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.circuit-line {
    fill: none;
    stroke: var(--pcb-green);
    stroke-width: 1;
    opacity: 0.4;
}

.circuit-node {
    fill: var(--pcb-green);
    opacity: 0.6;
}

/* Animated light effect on circuit */
.light-trace {
    position: absolute;
    width: 100px;
    height: 4px;
    background: var(--gradient-circuit);
    filter: blur(2px);
    border-radius: 50%;
    animation: traceLight 8s linear infinite;
    opacity: 0.8;
}

.light-trace-1 {
    top: 15%;
    animation-delay: 0s;
}

.light-trace-2 {
    top: 35%;
    animation-delay: 2s;
}

.light-trace-3 {
    top: 55%;
    animation-delay: 4s;
}

.light-trace-4 {
    top: 75%;
    animation-delay: 6s;
}

@keyframes traceLight {
    0% {
        left: -100px;
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

/* Vertical light traces */
.light-trace-vertical {
    position: absolute;
    width: 4px;
    height: 100px;
    background: linear-gradient(180deg, transparent, var(--neon-purple), transparent);
    filter: blur(2px);
    border-radius: 50%;
    animation: traceLightVertical 10s linear infinite;
    opacity: 0.6;
}

.light-trace-v1 {
    left: 20%;
    animation-delay: 1s;
}

.light-trace-v2 {
    left: 50%;
    animation-delay: 3s;
}

.light-trace-v3 {
    left: 80%;
    animation-delay: 5s;
}

@keyframes traceLightVertical {
    0% {
        top: -100px;
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

/* Grid overlay */
.circuit-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.logo img {
    height: 45px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-menu ul {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:not(.btn-nav):hover {
    color: var(--pcb-green);
}

.nav-menu a:not(.btn-nav)::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-pcb);
    transition: width 0.3s ease;
}

.nav-menu a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    background: var(--gradient-pcb);
    color: var(--dark-bg) !important;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--darker-bg);
    border-left: 1px solid var(--border-color);
    z-index: 2000;
    padding: 2rem;
    transition: right 0.3s ease;
}

.mobile-menu.active {
    right: 0;
}

.close-menu {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    margin-bottom: 2rem;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    margin-bottom: 1.5rem;
}

.mobile-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.mobile-menu a:hover {
    color: var(--pcb-green);
}

/* ========================================
   HERO SECTION - UNIQUE CENTERED LAYOUT
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.hero-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.15), transparent 60%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: heroGlow 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes heroGlow {
    0%, 100% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.8rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.4);
    border-radius: 50px;
    color: var(--pcb-green);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 255, 136, 0.5);
    }
}

.hero-content h1 {
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: var(--gradient-pcb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 40px rgba(0, 255, 136, 0.3);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--pcb-green);
    font-weight: 700;
}

.hero-phases {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.phase-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.phase-card:hover {
    border-color: var(--pcb-green);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.15);
}

.phase-card i {
    font-size: 1.5rem;
}

.phase-card.theory i {
    color: var(--neon-blue);
}

.phase-card.practical i {
    color: var(--copper);
}

.phase-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.phase-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-pcb);
    color: var(--dark-bg);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.5);
}

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

.btn-outline:hover {
    background: var(--card-hover);
    border-color: var(--pcb-green);
}

/* Floating Chip Visual */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    opacity: 0.6;
}

.floating-chip {
    width: 200px;
    height: 200px;
    position: relative;
    animation: chipFloat 6s ease-in-out infinite;
}

.chip-body {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #1a1a1a, #2a2a2a);
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 40px rgba(0, 255, 136, 0.1);
}

.chip-body::before {
    content: "CPU";
    font-size: 2rem;
    font-weight: 900;
    color: var(--pcb-green);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.chip-pins {
    position: absolute;
    display: flex;
    gap: 8px;
}

.chip-pins.top {
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.chip-pins.bottom {
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.chip-pins.left {
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    flex-direction: column;
}

.chip-pins.right {
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    flex-direction: column;
}

.pin {
    width: 4px;
    height: 15px;
    background: var(--copper);
    border-radius: 2px;
}

.chip-pins.left .pin,
.chip-pins.right .pin {
    width: 15px;
    height: 4px;
}

@keyframes chipFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(3deg);
    }
}

/* ========================================
   SECTION COMMON STYLES
   ======================================== */
.section-tag {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 50px;
    color: var(--pcb-green);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

/* ========================================
   CONTENT SECTION - COURSE MODULES
   ======================================== */
.content-section {
    padding: 6rem 2rem;
    position: relative;
}

.content-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.4), transparent);
    pointer-events: none;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Single Column Modules List (for accordion without overlap) */
.modules-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Accordion Module Card */
.module-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.module-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.1);
}

.module-card.active {
    border-color: var(--pcb-green);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.15);
}

.module-header {
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background 0.3s ease;
    gap: 1rem;
}

.module-header:hover {
    background: rgba(0, 255, 136, 0.05);
}

.module-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.module-icon.theory {
    background: rgba(56, 189, 248, 0.15);
    color: var(--neon-blue);
}

.module-icon.network {
    background: rgba(168, 85, 247, 0.15);
    color: var(--neon-purple);
}

.module-icon.security {
    background: rgba(212, 165, 116, 0.15);
    color: var(--copper);
}

.module-icon.practical {
    background: rgba(0, 255, 136, 0.15);
    color: var(--pcb-green);
}

.module-info {
    flex: 1;
}

.module-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.module-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.module-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.module-card.active .module-toggle {
    background: var(--pcb-green);
    color: var(--dark-bg);
    transform: rotate(180deg);
}

.module-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.module-card.active .module-content {
    max-height: 2000px;
}

.module-lessons {
    padding: 0 2rem 2rem;
    border-top: 1px solid var(--border-color);
}

.lesson-list {
    list-style: none;
    padding-top: 1.5rem;
}

.lesson-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.lesson-list li:last-child {
    border-bottom: none;
}

.lesson-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--pcb-green);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.lesson-list li.highlight {
    color: var(--pcb-green);
    font-weight: 600;
}

.lesson-list li.highlight::before {
    background: var(--copper);
    box-shadow: 0 0 10px rgba(212, 165, 116, 0.5);
}

/* ========================================
   INFO SECTION
   ======================================== */
.info-section {
    padding: 4rem 2rem;
    background: rgba(0, 0, 0, 0.3);
}

.info-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem 3rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    border-color: var(--pcb-green);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.1);
}

.info-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: rgba(0, 255, 136, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--pcb-green);
}

.info-text h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.info-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ========================================
   PRICING SECTION
   ======================================== */
.pricing-section {
    padding: 6rem 2rem;
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
    border-color: var(--pcb-green);
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.2);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card.featured::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-pcb);
}

.pricing-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    padding: 0.4rem 1rem;
    background: var(--gradient-pcb);
    color: var(--dark-bg);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pricing-duration {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.pricing-duration strong {
    color: var(--pcb-green);
}

.pricing-amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-top: 1rem;
}

.pricing-amount small {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.pricing-installment {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    margin-top: 1rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pricing-features li i {
    color: var(--pcb-green);
    font-size: 1rem;
}

.pricing-cta {
    width: 100%;
    padding: 1rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    display: block;
    transition: all 0.3s ease;
    margin-top: auto;
}

.pricing-cta.primary {
    background: var(--gradient-pcb);
    color: var(--dark-bg);
}

.pricing-cta.primary:hover {
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
    transform: translateY(-2px);
}

.pricing-cta.secondary {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.pricing-cta.secondary:hover {
    border-color: var(--pcb-green);
    background: rgba(0, 255, 136, 0.1);
}

/* ========================================
   SCHEDULE SECTION
   ======================================== */
.schedule-section {
    padding: 4rem 2rem;
    background: rgba(0, 0, 0, 0.3);
}

.schedule-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.schedule-options {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.schedule-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2.5rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 60px;
    transition: all 0.3s ease;
    cursor: default;
}

.schedule-card:hover {
    border-color: var(--pcb-green);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.15);
}

.schedule-card i {
    font-size: 1.5rem;
    color: var(--copper);
}

.schedule-card span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1), transparent 60%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* ========================================
   FOOTER - STANDARD LAYOUT
   ======================================== */
.footer {
    background: rgba(0, 0, 0, 0.6);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-about p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 1rem 0;
}

.footer-logo {
    height: 50px;
    opacity: 0.9;
}

.footer-contact {
    margin: 1.5rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.contact-item i {
    color: var(--pcb-green);
    width: 18px;
}

.footer-social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.footer-social-icons a:hover {
    background: var(--pcb-green);
    border-color: var(--pcb-green);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.footer-links h3 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links ul a:hover {
    color: var(--pcb-green);
}

.footer-location h3 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-location p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-bottom a {
    color: var(--pcb-green);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-bottom a:hover {
    opacity: 0.8;
}

/* ========================================
   WHATSAPP FLOAT
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    text-decoration: none;
    z-index: 999;
    box-shadow: 0 5px 25px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.6);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .hero-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        padding: 7rem 1.5rem 3rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-phases {
        flex-direction: column;
        align-items: center;
    }
    
    .phase-card {
        width: 100%;
        max-width: 350px;
    }
    
    .module-header {
        padding: 1.2rem 1.5rem;
    }
    
    .module-lessons {
        padding: 0 1.5rem 1.5rem;
    }
    
    .info-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .info-card {
        width: 100%;
        max-width: 400px;
    }
    
    .schedule-options {
        flex-direction: column;
        align-items: center;
    }
    
    .schedule-card {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .footer-about {
        grid-column: 1 / -1;
        text-align: center;
    }
    
    .footer-social-icons {
        justify-content: center;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-location {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 0.6rem 1.2rem;
    }
    
    .btn {
        padding: 0.9rem 1.8rem;
        font-size: 0.95rem;
    }
    
    .module-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .module-info h3 {
        font-size: 1rem;
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }
    
    .pricing-amount {
        font-size: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-about,
    .footer-links,
    .footer-location {
        text-align: center;
    }
    
    .footer-contact {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

/* ========================================
   ACCESSIBILITY & REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .light-trace,
    .light-trace-vertical {
        display: none;
    }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--pcb-green);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--pcb-green);
    color: var(--dark-bg);
    padding: 1rem 2rem;
    z-index: 9999;
    font-weight: 700;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}