/* ===== CUTTING-EDGE AI DESIGN SYSTEM ===== */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Aeonik', 'Satoshi', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #0A0A0A;
    background: #FFFFFF;
    overflow-x: hidden;
}

/* Just Idea Brand Variables */
:root {
    --primary-color: #9fcbdf;
    --primary-dark: #8bb8d1;
    --secondary-color: #9fcbdf;
    --accent-color: #9fcbdf;
    --accent-light: #b3d4e6;
    --text-dark: #0A0A0A;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-light: #F5F5F5;
    --bg-gray: #F0F0F0;
    --border-color: #E0E0E0;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --container-max-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Premium Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
    letter-spacing: -0.025em;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
    letter-spacing: -0.05em;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--accent-color);
    font-weight: 600;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: var(--accent-color);
    font-weight: 800;
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--text-dark);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--accent-color);
    color: var(--text-dark);
    transform: translateY(-2px) scale(1.02);
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.125rem;
    border-radius: var(--border-radius-lg);
}

/* Premium Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.nav-brand i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    font-size: 0.9rem;
    padding: 12px 24px;
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* Futuristic Hero Section */
.hero {
    padding: 140px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-container-centered {
    text-align: center;
}

.hero-content {
    z-index: 2;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease-out 0.3s forwards;
    max-width: 900px;
    margin: 0 auto;
}

.hero-content-centered {
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: var(--text-dark);
    letter-spacing: -0.05em;
}

.hero-description {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    line-height: 1.6;
    font-weight: 400;
}

.hero-cta {
    margin-bottom: 2rem;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.hero-image {
    position: relative;
}

.mockup-image {
    max-width: 100%;
    height: auto;
    max-height: 600px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.mockup-image:hover {
    transform: scale(1.02);
}

/* Clickable Phone Mockup */
.mockup-link {
    display: block;
    cursor: pointer;
    transition: var(--transition);
}

.mockup-link:hover .mockup-image {
    transform: scale(1.05);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* How It Works - Futuristic */
.how-it-works {
    padding: 80px 0;
    background: var(--white);
    position: relative;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    margin-top: 4rem;
    position: relative;
}

.step {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-light);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-color);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.step:hover::before {
    opacity: 0.05;
}

.step:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    color: var(--text-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    margin: 0 auto 2rem;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 2;
}

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

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

.step p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Pricing - Premium */
.pricing {
    padding: 120px 0;
    background: var(--bg-light);
    position: relative;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(50px);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.pricing-card.featured {
    border: 3px solid var(--accent-color);
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(159, 203, 223, 0.02) 0%, rgba(159, 203, 223, 0.02) 100%);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.card-header {
    text-align: center;
    margin-bottom: 2rem;
}

.card-header h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.card-features ul {
    list-style: none;
    margin-bottom: 2rem;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.1rem;
}

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

.card-features i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* Target Audience - Premium Grid */
.target-audience {
    padding: 80px 0;
    background: var(--white);
}

/* Enhanced Section Header for Perfect For */
.section-header-enhanced {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title-enhanced {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    letter-spacing: -0.05em;
}

.section-intro {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow);
    animation: pulse 2s infinite;
}

.cta-badge i {
    font-size: 1.3rem;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: var(--shadow);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-lg);
    }
    100% {
        transform: scale(1);
        box-shadow: var(--shadow);
    }
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.audience-item {
    display: block;
    text-align: center;
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    background: var(--bg-light);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
}

.audience-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-color);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.audience-item:hover::before {
    opacity: 1;
}

.audience-item:hover {
    transform: translateY(-8px) scale(1.02);
    color: var(--text-dark);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
}

.audience-item:hover i,
.audience-item:hover h3 {
    color: var(--text-dark);
    position: relative;
    z-index: 2;
}

.audience-item i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.audience-item h3 {
    font-size: 1.3rem;
    transition: var(--transition);
    color: var(--text-dark);
    position: relative;
    z-index: 2;
}

/* Industry Cards - New Design */
.industry-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.industry-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(50px);
    text-align: center;
}

.industry-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.industry-card.featured {
    border: 3px solid var(--accent-color);
    transform: scale(1.02);
    background: linear-gradient(135deg, rgba(159, 203, 223, 0.02) 0%, rgba(159, 203, 223, 0.02) 100%);
}

.card-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.card-badge.popular {
    background: var(--accent-color);
    color: var(--text-dark);
}

.card-badge.advanced {
    background: #4CAF50;
    color: white;
}

.card-badge.beta {
    background: #FF9800;
    color: white;
}

.card-icon {
    margin-bottom: 2rem;
}

.card-icon i {
    font-size: 4rem;
    color: var(--accent-color);
    transition: var(--transition);
}

.industry-card:hover .card-icon i {
    transform: scale(1.1);
    color: var(--primary-dark);
}

.card-content {
    text-align: left;
}

.card-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    text-align: center;
}

.card-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    text-align: center;
}

.card-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-gray);
    margin-bottom: 2rem;
    text-align: center;
}

.card-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.1rem;
    color: var(--text-dark);
}

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

.card-features i {
    color: var(--accent-color);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.card-btn {
    width: 100%;
    justify-content: center;
    margin-top: auto;
}

.btn-secondary {
    background: var(--text-gray);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background: var(--text-dark);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* Testimonials - Premium */
.testimonials {
    padding: 80px 0;
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.testimonial {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    position: relative;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(50px);
}

.testimonial:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.testimonial-content i {
    color: var(--accent-color);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 1.3rem;
    line-height: 1.6;
    color: var(--text-dark);
    font-style: italic;
    font-weight: 500;
}

/* FAQ - Premium */
.faq {
    padding: 80px 0;
    background: var(--white);
}

.faq-items {
    max-width: 800px;
    margin: 0 auto;
    margin-top: 4rem;
}

.faq-item {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.faq-item:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(159, 203, 223, 0.05);
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--accent-color);
    font-size: 1.2rem;
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 2rem 2rem;
}

.faq-answer p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Final CTA - Premium */
.final-cta {
    padding: 80px 0;
    background: var(--accent-color);
    color: var(--text-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg stroke='%23000000' stroke-width='1' stroke-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='10' fill='%23000000' fill-opacity='0.05'/%3E%3Cpath d='M20,20 L40,20 M20,40 L40,40 M20,20 L20,40 M40,20 L40,40' stroke-opacity='0.08'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 1;
}

.final-cta h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    font-weight: 800;
    position: relative;
    z-index: 2;
}

.final-cta .btn-primary {
    background: var(--text-dark);
    color: var(--accent-color);
    position: relative;
    z-index: 2;
}

.final-cta .btn-primary:hover {
    background: var(--text-gray);
    transform: translateY(-3px) scale(1.05);
}

/* Footer - Premium */
.footer {
    padding: 60px 0 40px;
    background: var(--text-dark);
    color: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-brand i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

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

.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }