/* ============================================
   EL LABORATORIO INTERNO - STYLES
   Landing Page para curso de meditación
   ============================================ */

/* CSS Variables - Colores espirituales/meditación */
:root {
    --primary-purple: #7c3aed;
    --primary-purple-dark: #5b21b6;
    --primary-purple-light: #a78bfa;
    --gold: #fbbf24;
    --gold-dark: #d97706;
    --gold-light: #fcd34d;
    --deep-blue: #0f172a;
    --deep-blue-light: #1e293b;
    --dark: #0f0f0f;
    --dark-light: #1a1a1a;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --light: #f8fafc;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary-purple) 0%, var(--gold) 50%, var(--primary-purple-light) 100%);
    --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    --gradient-dark: linear-gradient(180deg, var(--deep-blue) 0%, var(--dark) 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3), 0 0 60px rgba(251, 191, 36, 0.2);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--light);
    background-color: var(--dark);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ============================================
   UTILIDADES
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.text-center {
    text-align: center;
}

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

.text-gold {
    color: var(--gold);
}

/* ============================================
   BOTONES
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--dark);
    box-shadow: var(--shadow), 0 0 20px rgba(251, 191, 36, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(251, 191, 36, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
}

.btn-secondary:hover {
    background: var(--gold);
    color: var(--dark);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
}

.btn-sticky {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(251, 191, 36, 0); }
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(251, 191, 36, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo span {
    color: var(--gold);
    -webkit-text-fill-color: var(--gold);
}

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

.nav-link {
    font-weight: 500;
    color: var(--gray-light);
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--gold);
    border-radius: 3px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(251, 191, 36, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    color: var(--gold);
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

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

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-date {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    color: var(--light);
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-date strong {
    color: var(--gold);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 1s ease 1s both;
}

/* Particles */
.particles-container {
    position: relative;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(100vh) rotate(0deg); 
        opacity: 0;
    }
    10% { opacity: 0.5; }
    90% { opacity: 0.5; }
    100% { 
        transform: translateY(-100vh) rotate(720deg); 
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(124, 58, 237, 0.15);
    color: var(--primary-purple-light);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.2rem;
    color: var(--gray-light);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */

.problem-section {
    background: linear-gradient(180deg, var(--dark) 0%, var(--deep-blue) 100%);
}

.problem-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.problem-box::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--gradient);
}

.problem-question {
    font-size: 1.75rem;
    color: var(--gold);
    margin-bottom: 2rem;
    font-weight: 300;
    font-style: italic;
}

.problem-text {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 2;
}

.problem-text p {
    margin-bottom: 1rem;
}

/* ============================================
   WHAT IS SECTION
   ============================================ */

.what-is-section {
    background: var(--deep-blue);
}

.what-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.what-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
}

.what-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(251, 191, 36, 0.2);
    box-shadow: var(--shadow-glow);
}

.what-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.what-card h3 {
    font-size: 1.25rem;
    color: var(--gold);
    margin-bottom: 1rem;
}

.what-card p {
    color: var(--gray-light);
    line-height: 1.7;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits-section {
    background: linear-gradient(180deg, var(--deep-blue) 0%, var(--dark) 100%);
}

.benefits-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    padding: 2rem;
    background: rgba(124, 58, 237, 0.1);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.benefits-intro p {
    color: var(--gray-light);
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 1rem;
}

.benefits-intro p:last-child {
    margin-bottom: 0;
    color: var(--gold);
    font-weight: 500;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.benefit-item:hover {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.3);
    transform: translateX(5px);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.benefit-item span {
    color: var(--light);
    font-weight: 500;
}

.benefits-quote {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: rgba(251, 191, 36, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.benefits-quote p {
    font-size: 1.5rem;
    color: var(--gold);
    font-style: italic;
    font-weight: 300;
}

/* ============================================
   HOW SECTION
   ============================================ */

.how-section {
    background: var(--dark);
}

.how-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.how-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
}

.how-card:hover {
    transform: translateY(-5px);
    border-color: rgba(124, 58, 237, 0.3);
    box-shadow: var(--shadow-glow);
}

.how-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    flex-shrink: 0;
}

.how-content h3 {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.how-content p {
    color: var(--gray-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   REQUIREMENTS SECTION
   ============================================ */

.requirements-section {
    background: linear-gradient(180deg, var(--dark) 0%, var(--deep-blue) 100%);
}

.requirements-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.requirements-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.requirement-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.requirement-check {
    width: 28px;
    height: 28px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--dark);
    flex-shrink: 0;
    margin-top: 2px;
}

.requirement-item p {
    color: var(--gray-light);
    line-height: 1.6;
}

.requirement-item strong {
    color: var(--light);
    display: block;
    margin-bottom: 0.25rem;
}

.requirements-note {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius);
    border-left: 4px solid var(--gold);
}

.requirements-note p {
    color: var(--gray-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

.requirements-note strong {
    color: var(--gold);
}

/* ============================================
   PRICING SECTION
   ============================================ */

.pricing-section {
    background: var(--deep-blue);
    padding: 6rem 0;
}

.pricing-card {
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    border: 2px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-lg);
    padding: 4rem 3rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-glow);
}

.pricing-card::before {
    content: 'OFERTA LANZAMIENTO';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: var(--dark);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.pricing-name {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 5rem;
    font-weight: 800;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.pricing-price span {
    font-size: 2rem;
    font-weight: 500;
}

.pricing-original {
    font-size: 1.25rem;
    color: var(--gray);
    text-decoration: line-through;
    margin-bottom: 2rem;
}

.pricing-features {
    margin-bottom: 2.5rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--gray-light);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-closing {
    margin-top: 3rem;
    text-align: center;
}

.pricing-closing p {
    color: var(--gold);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.pricing-closing strong {
    color: var(--white);
    font-size: 1.25rem;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
    background: var(--dark);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(124, 58, 237, 0.3);
}

.faq-item.active {
    border-color: rgba(251, 191, 36, 0.3);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    text-align: left;
    font-family: inherit;
}

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

.faq-icon {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
    color: var(--gold);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.4s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 600px;
    opacity: 1;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--gray-light);
    line-height: 1.8;
    margin: 0;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */

.final-cta {
    background: linear-gradient(135deg, var(--primary-purple-dark) 0%, var(--deep-blue) 100%);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(251, 191, 36, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.final-cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.final-cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.final-cta p {
    font-size: 1.25rem;
    color: var(--gray-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.final-cta .warning {
    color: var(--gold);
    font-size: 1rem;
    margin-top: 2rem;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4rem 0 2rem;
}

.footer-content {
    text-align: center;
}

.footer-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--gray);
    margin-bottom: 2rem;
}

.footer-contact {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.footer-contact a {
    color: var(--gray-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray);
    font-size: 0.9rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
}

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

.glow-effect {
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(124, 58, 237, 0.3); }
    to { box-shadow: 0 0 40px rgba(251, 191, 36, 0.4), 0 0 60px rgba(124, 58, 237, 0.3); }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .pricing-card {
        padding: 3rem 1.5rem;
    }
    
    .pricing-price {
        font-size: 3.5rem;
    }
    
    .btn-sticky {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .footer-contact {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .problem-box,
    .requirements-box {
        padding: 2rem 1.5rem;
    }
    
    .what-card,
    .how-card {
        padding: 1.5rem;
    }
}