:root {
    --primary-color: #4f46e5;
    --secondary-color: #4338ca;
    --text-color: #1f2937;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gradient-start: #4f46e5;
    --gradient-end: #ec4899;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
}

.nav-logo span {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-btn {
    padding: 0.7rem 1.5rem;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    color: #4b5563;
    font-size: 0.95rem;
}

.nav-btn:hover {
    color: var(--primary-color);
    background: #f8fafc;
}

.nav-btn.primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.1), 0 2px 4px -1px rgba(79, 70, 229, 0.06);
}

.nav-btn.primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.2), 0 4px 6px -2px rgba(79, 70, 229, 0.1);
}

/* Welcome Section */
.welcome-section {
    padding: 6rem 5% 4rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(79, 70, 229, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    position: relative;
    overflow: hidden;
}

.welcome-content {
    position: relative;
    z-index: 2;
}

.welcome-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: #111827;
}

.welcome-content h1 strong {
    background: linear-gradient(135deg, var(--primary-color), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: #4b5563;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.btn-start {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
}

.btn-start:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(79, 70, 229, 0.5);
}

/* Features Container */
.features-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 5rem;
    padding: 0 1rem;
}

/* Updated Feature Cards (Centered & Professional) */
.feature-card.centered-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 24px;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    width: 340px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.feature-card.centered-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px -12px rgba(79, 70, 229, 0.15);
    border-color: rgba(79, 70, 229, 0.1);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    transition: transform 0.3s ease;
}

.feature-card.centered-card:hover .feature-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.feature-desc {
    font-size: 1rem;
    color: #64748b;
    line-height: 1.6;
}

/* AI Block Enhancement */
.ai-block {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    border-radius: 30px;
    padding: 6rem 2rem;
    text-align: center;
    color: white;
    margin: 4rem auto;
    max-width: 1100px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(49, 46, 129, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-block::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

/* Voice Wave Animation */
.wave-bar {
    width: 6px;
    height: 20px;
    background: #818cf8;
    border-radius: 10px;
    animation: wave 1.2s ease-in-out infinite;
}

.wave-bar:nth-child(2) { animation-delay: 0.1s; height: 35px; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; height: 50px; background: #a5b4fc; }
.wave-bar:nth-child(4) { animation-delay: 0.3s; height: 40px; background: #c7d2fe; }
.wave-bar:nth-child(5) { animation-delay: 0.4s; height: 25px; }
.wave-bar:nth-child(6) { animation-delay: 0.5s; height: 15px; }
.wave-bar:nth-child(7) { animation-delay: 0.2s; height: 30px; }
.wave-bar:nth-child(8) { animation-delay: 0.1s; height: 20px; }

@keyframes wave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.8); }
}

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

/* Comparison Section Enhancement */
.comparison-column.solution {
    border: 2px solid #22c55e !important;
    background: linear-gradient(to bottom, #f0fdf4, #ffffff) !important;
}

.comparison-column.problem {
    border: 1px solid #fda4af !important;
}

/* Benefits & Pricing Section */
.benefits-section {
    padding: 6rem 5%;
    background: white;
    text-align: center;
}

.benefits-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #111827;
}

.premium-price {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 4rem;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto 3rem;
    align-items: stretch;
}

.pricing-sub {
    font-size: 0.9rem;
    color: #64748b;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}

.billed-yearly {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
    line-height: 1.4;
}

.billed-yearly span {
    font-size: 0.85rem;
    opacity: 0.9;
}

.pricing-card {
    background: white;
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: transform 0.3s ease;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
}

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

.pricing-card.premium {
    border: 2px solid var(--primary-color);
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.15);
    transform: scale(1.05);
    z-index: 2;
    background: linear-gradient(to bottom, #ffffff, #fafaff);
}

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

.badge-popular {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #f1f5f9;
}

.pricing-header h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pricing-header .price {
    font-size: 3rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.2rem;
    flex-wrap: wrap;
}

.pricing-header .price span {
    font-size: 1rem;
    color: #6b7280;
    font-weight: 500;
    letter-spacing: normal;
}

.pricing-card.premium .pricing-header .price {
    color: var(--primary-color);
}

.pricing-header .period {
    font-size: 1rem;
    color: #94a3b8;
    font-weight: 500;
    letter-spacing: normal;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2.5rem;
    text-align: left;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 1rem;
    color: #4b5563;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.pricing-features li i {
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-features li strong {
    color: #111827;
}

.btn-pricing {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto;
    font-size: 1rem;
}

.btn-pricing.free {
    background: white;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-pricing.free:hover {
    background: #f8fafc;
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.btn-pricing.premium {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
}

.btn-pricing.premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
}

.premium-cta {
    margin-top: 3rem;
}

.premium-note {
    font-size: 1.1rem;
    color: #4b5563;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    overflow-y: auto;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 2.5rem;
    border-radius: 24px;
    width: 100%;
    max-width: 480px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    width: 32px;
    height: 32px;
    background: #f1f5f9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
}

.close:hover {
    background: #e2e8f0;
    color: #0f172a;
    transform: rotate(90deg);
}

/* Form Styles */
.form-container h2 {
    margin-bottom: 2rem;
    color: #1e293b;
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.5px;
}

.form-container input,
.form-container select,
.form-container textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    margin-bottom: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s;
    background: #f8fafc;
    color: #334155;
}

.form-container input:focus,
.form-container select:focus,
.form-container textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.form-container .btn-primary {
    width: 100%;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 12px;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    color: #fff;
    cursor: pointer;
}

.form-container .btn-primary:hover {
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
    transform: translateY(-2px);
}

.form-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: #64748b;
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Plan Selector Styles */
.plan-selector-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.plan-option {
    flex: 1;
    padding: 1.25rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.plan-option:hover {
    transform: translateY(-2px);
    border-color: #cbd5e1;
}

.plan-option.active {
    border-color: var(--primary-color);
    background: #eef2ff;
    box-shadow: 0 0 0 1px var(--primary-color);
}

.plan-icon {
    font-size: 1.75rem;
    color: #64748b;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.plan-option.active .plan-icon {
    color: var(--primary-color);
}

.plan-option h4 {
    margin: 0;
    color: #1e293b;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.plan-option p {
    margin: 0;
    font-size: 0.85rem;
    color: #64748b;
}

.plan-option.active h4 {
    color: var(--primary-color);
}