/* Reset and Variables */
:root {
    --primary: #FF5F5F; /* Coral */
    --primary-hover: #ff4747;
    --secondary: #0A192F; /* Dark Navy/Blue */
    --secondary-light: #112B50;
    --blue: #004AC6;
    --blue-light: #F0F5FF;
    --green: #10B981;
    --purple: #8B5CF6;
    --yellow: #F59E0B;
    
    /* Apple-inspired color roles */
    --text-dominant: #1D1D1F;
    --text-secondary: #333336;
    --text-tertiary: #6E6E73;
    --bg-light: #FFFFFF;
    --bg-gray: #F9FAFB;
    --surface-light: #EDEDF2;
    --nav-surface: rgba(255, 255, 255, 0.8);
    
    /* Spacing */
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-14: 56px;
}

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

body, html {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-dominant);
    background-color: var(--bg-light);
    line-height: 1.5;
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-dominant);
    line-height: 1.1;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--blue);
    transition: color 0.2s;
    font-weight: 500;
}
a:hover {
    color: var(--secondary);
}

ul {
    list-style: none;
}

.container {
    max-width: 1262px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.text-center { text-align: center; }
.text-coral { color: var(--primary); }
.text-blue { color: var(--blue); }
.text-white { color: white; }
.text-green { color: var(--green); }
.text-purple { color: var(--purple); }
.text-yellow { color: var(--yellow); }
.fw-bold { font-weight: 600; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: 980px; /* Pill */
    font-weight: 500;
    font-size: 17px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    min-height: 44px;
    text-align: center;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 19px;
}

.btn-full { width: 100%; }

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

.btn-blue {
    background-color: var(--blue);
    color: white;
}
.btn-blue:hover {
    background-color: #003a9e;
    color: white;
}

.btn-green {
    background-color: var(--green);
    color: white;
}
.btn-green:hover { filter: brightness(0.9); }

.btn-purple {
    background-color: var(--purple);
    color: white;
}
.btn-purple:hover { filter: brightness(0.9); }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--nav-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: background-color 0.3s;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 52px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo {
    height: 24px;
    width: auto;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dominant);
}

.nav-links {
    display: flex;
    gap: var(--space-6);
}

.nav-links a {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-dominant);
    padding: 0 var(--space-2);
}

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

/* Base Sections */
section {
    padding: 120px 0;
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background-color: var(--bg-gray);
}

.hero-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    max-width: 1262px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    text-align: left;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-6);
    line-height: 1.05;
}

.hero-desc {
    font-size: 21px;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
}

.dev-status {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 400;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.phone-mockup {
    height: 600px;
    width: auto;
    object-fit: contain;
    margin-top: var(--space-6);
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
}

/* Problem Section */
.problem {
    background-color: var(--bg-light);
    border-top: 1px solid var(--surface-light);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.subtitle {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    display: block;
}

.section-header h2 { 
    font-size: 40px; 
    margin-bottom: var(--space-4);
}
.section-header p { 
    font-size: 19px;
    color: var(--text-secondary); 
    max-width: 700px;
    margin: 0 auto;
}

.problem-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.card {
    background: var(--bg-gray);
    padding: var(--space-10) var(--space-8);
    border-radius: 24px;
    border: 1px solid var(--surface-light);
    transition: all 0.3s;
}

.card-icon {
    width: 44px;
    height: 44px;
    margin-bottom: var(--space-6);
    color: var(--primary);
}

.card-icon svg { width: 32px; height: 32px; stroke-width: 1.5; }

.card h3 { font-size: 24px; margin-bottom: var(--space-3); }
.card p { color: var(--text-secondary); font-size: 17px; }

/* How it Works Section */
.how-it-works { 
    background-color: var(--bg-gray); 
    border-top: 1px solid var(--surface-light);
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    text-align: left;
}

.workflow-card {
    background: var(--bg-light);
    padding: var(--space-10) var(--space-8);
    border-radius: 24px;
    border: 1px solid var(--surface-light);
}

.workflow-header {
    margin-bottom: var(--space-6);
}

.workflow-card h3 { font-size: 28px; margin-bottom: var(--space-3); }
.workflow-desc { color: var(--text-secondary); margin-bottom: var(--space-8); font-size: 17px; }

.steps-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.v-step {
    display: flex;
    gap: var(--space-4);
}

.v-step-num {
    font-weight: 600;
    font-size: 17px;
    color: var(--text-tertiary);
    padding-top: 2px;
}

.v-step-text strong { display: block; font-size: 19px; color: var(--text-dominant); margin-bottom: var(--space-2); }
.v-step-text p { color: var(--text-secondary); font-size: 15px; }

/* Untuk Siapa Section */
.target-audience { 
    background-color: var(--bg-light);
    border-top: 1px solid var(--surface-light);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-top: 80px;
}

.audience-card {
    background: var(--bg-light);
    padding: var(--space-8) var(--space-6);
    border-radius: 24px;
    border: 1px solid var(--surface-light);
    text-align: center;
}

.audience-icon {
    width: 44px;
    height: 44px;
    color: var(--text-dominant);
    margin: 0 auto var(--space-6);
}

.audience-icon svg { width: 32px; height: 32px; stroke-width: 1.5; }
.audience-card h3 { font-size: 21px; margin-bottom: var(--space-3); }
.audience-card p { color: var(--text-secondary); font-size: 15px; }

/* Pricing Section */
.pricing { 
    background-color: var(--bg-gray); 
    border-top: 1px solid var(--surface-light);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    align-items: flex-start;
    margin-top: 80px;
}

.price-card {
    background: var(--bg-light);
    padding: var(--space-10) var(--space-8);
    border-radius: 24px;
    border: 1px solid var(--surface-light);
    text-align: left;
}

.price-card.popular {
    border: 2px solid var(--primary);
    position: relative;
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 980px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.price-card h3 { font-size: 24px; margin-bottom: var(--space-2); color: var(--text-dominant); }
.price { font-size: 40px; font-weight: 700; color: var(--text-dominant); margin-bottom: var(--space-2); letter-spacing: -0.02em; }
.price-sub { font-size: 15px; color: var(--text-secondary); margin-bottom: var(--space-8); }

.features { margin-bottom: var(--space-10); }
.features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: 15px;
    color: var(--text-secondary);
}
.features li svg { width: 20px; height: 20px; color: var(--text-dominant); opacity: 0.5; }

.secure-payment {
    margin-top: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    font-size: 14px;
    color: var(--text-tertiary);
}
.secure-payment svg { opacity: 0.7; }

/* Footer */
.footer {
    background-color: var(--secondary);
    color: white;
    padding: 80px 0 40px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: #9CA3AF;
    margin: 24px 0;
    max-width: 300px;
    font-size: 15px;
}

.footer .logo-text {
    color: white !important;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a.social-link, .social-links .social-placeholder {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: background 0.2s;
}
.social-links a.social-link:hover { background: rgba(255,255,255,0.1); }
.social-links .social-placeholder { opacity: 0.5; cursor: default; }
.social-links svg { width: 20px; height: 20px; }

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.link-group h4 { color: white; font-size: 15px; font-weight: 600; margin-bottom: 24px; }
.link-group ul li { margin-bottom: 16px; }
.link-group ul li a { color: #9CA3AF; font-size: 15px; }
.link-group ul li a:hover { color: white; }

.contact-info li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #9CA3AF;
    font-size: 15px;
    margin-bottom: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #9CA3AF;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container { flex-direction: column; text-align: center; }
    .hero-content { text-align: center; margin-bottom: 60px; max-width: 100%; }
    .hero-cta { align-items: center; }
    .hero-image { justify-content: center; }
    
    .problem-cards, .pricing-cards { grid-template-columns: repeat(2, 1fr); }
    .audience-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-container { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 768px) {
    section { padding: 80px 0; }
    .hero { padding: 120px 0 60px; }
    .hero-title { font-size: 40px; }
    .hero-desc { font-size: 19px; }
    
    .section-header h2 { font-size: 32px; }
    
    .problem-cards, .pricing-cards, .workflow-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    
    .nav-links { display: none; }
    
    .footer-links { grid-template-columns: 1fr; gap: 40px; }
}