:root {
    /* Brand Colors - Pocket Shop */
    --primary: #00BCD4;      /* Cyan from logo */
    --primary-dark: #0097A7;
    --primary-light: #B2EBF2;
    --accent: #F97316;       /* Orange from logo */
    
    /* Neutral Palette */
    --bg-main: #FFFFFF;
    --bg-soft: #FAFAFA;
    --text-primary: #1A1A2E;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    
    /* Layout */
    --container-width: 1200px;
    --section-padding: 100px 5%;
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 800;
}

h1 { font-size: clamp(2.5rem, 8vw, 4rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 5vw, 2.75rem); letter-spacing: -0.03em; }
h3 { font-size: 1.5rem; }

.text-cyan { color: var(--primary); }
.text-orange { color: var(--accent); }

/* Buttons - NO GRADIENTS, NO SHADOWS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: var(--transition-speed);
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 5%;
}

nav {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--primary);
}

.logo img {
    height: 40px;
}

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

.nav-links a {
    font-weight: 600;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 160px 5% 100px;
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 260px;
    background: #1a1a2e;
    border-radius: 2.25rem;
    padding: 10px;
    border: 3px solid #2d2d44;
}

.phone-notch {
    width: 120px;
    height: 6px;
    background: #2d2d44;
    border-radius: 10px;
    margin: 0 auto 8px;
}

.phone-screen {
    width: 100%;
    aspect-ratio: 9 / 15;
    border-radius: 1.75rem;
    overflow: hidden;
    background: #fff;
    position: relative;
}

/* Slideshow */
.slideshow {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.slide.active {
    opacity: 1;
}

/* Dots */
.slide-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 14px 0 6px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4a4a6a;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary);
    width: 24px;
    border-radius: 4px;
}

/* Trust Bar */
.trust-bar {
    padding: 4rem 5%;
    background-color: var(--bg-soft);
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-bar p {
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
}

.network-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.network-logos img {
    height: 50px;
    transition: var(--transition-speed);
}

.network-logos img:hover {
    transform: scale(1.05);
}

/* Features Grid */
.section {
    padding: var(--section-padding);
    max-width: var(--container-width);
    margin: 0 auto;
}

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

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    padding: 3rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    transition: var(--transition-speed);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Persona Section */
.persona-section {
    background-color: var(--bg-soft);
    padding: var(--section-padding);
}

.persona-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.persona-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.persona-body {
    padding: 3rem;
    flex: 1;
}

.persona-body ul {
    margin-top: 1.5rem;
}

.persona-body li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.persona-body li i {
    color: var(--primary);
    margin-top: 0.25rem;
}

/* Workflow */
.workflow {
    text-align: center;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
    margin-top: 4rem;
}

.step {
    position: relative;
    z-index: 1;
}

.step-number {
    width: 48px;
    height: 48px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

/* Footer */
footer {
    padding: 5rem 5% 2rem;
    border-top: 1px solid var(--border-color);
    max-width: var(--container-width);
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col a {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Hero Tag */
.hero-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* CTA Section */
.cta-section {
    padding: 100px 5%;
    background-color: var(--bg-soft);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-container h2 {
    margin-bottom: 1rem;
}

.cta-container p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

/* Modal Transitions */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(6px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: #fff;
    padding: 3rem;
    border-radius: 2rem;
    max-width: 480px;
    width: 90%;
    border: 1px solid var(--border-color);
    position: relative;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s ease;
}

.modal-overlay.visible .modal {
    transform: translateY(0) scale(1);
}

.close-modal {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.75rem;
    line-height: 1;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--text-primary);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

input, select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-soft);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus, select:focus {
    border-color: var(--primary);
}

input::placeholder {
    color: #9CA3AF;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Scrolled Header */
header.scrolled {
    border-bottom-color: var(--border-color);
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1.25rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--primary);
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 130px;
        gap: 3rem;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 1.5rem;
        border-left: 1px solid var(--border-color);
        transition: right 0.3s ease;
        z-index: 999;
    }

    .nav-links.open {
        right: 0;
    }

    .mobile-toggle {
        display: block;
        z-index: 1001;
    }

    .persona-container {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr 1fr;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .network-logos {
        gap: 2rem;
    }

    .network-logos img {
        height: 36px;
    }
}