/* Custom Enhancements for City Index Landing Page */
/* Minimal, Elegant, High-Trust Fintech Design inspired by Smallcase & Wise */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&display=swap');
@import url('https://fonts.cdnfonts.com/css/sf-pro-display');
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --brand-primary: #3B58FD;
    --brand-dark: #0D0D0D;
    --brand-midnight: #06080C;
    --brand-navy: #23358D;
    --brand-indigo: #283BA3;
    --brand-sky: #6F88F9;
    --brand-mint: #1BD8A9;
    --brand-magenta: #E82777;
    --brand-amber: #FB903D;
    --brand-coral: #F54141;
    --brand-offwhite: #F2F2F2;
}

/* Typography Hierarchy */
body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "SF Pro", "Segoe UI", Roboto, sans-serif;
    background-color: #F8FAFC;
    color: #0D0D0D;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .font-display, .font-title {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    letter-spacing: -0.03em;
}

/* Rich Brand Gradients & Accents */
.text-brand-gradient {
    background: linear-gradient(135deg, #3B58FD 0%, #4F6EFD 45%, #1BD8A9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-brand-gradient-alt {
    background: linear-gradient(135deg, #23358D 0%, #3B58FD 50%, #1BD8A9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-brand-primary {
    background-color: #3B58FD !important;
}

.text-brand-primary {
    color: #3B58FD !important;
}

.border-brand-primary {
    border-color: #3B58FD !important;
}

.bg-brand-mint {
    background-color: #1BD8A9 !important;
}

.text-brand-mint {
    color: #1BD8A9 !important;
}

.border-brand-mint {
    border-color: #1BD8A9 !important;
}

.bg-brand-magenta {
    background-color: #E82777 !important;
}

.text-brand-magenta {
    color: #E82777 !important;
}

/* Force primary brand electric blue & navy on core interactive elements */
.bg-blue-600 {
    background-color: #3B58FD !important;
}
.hover\:bg-blue-700:hover, .hover\:bg-blue-500:hover {
    background-color: #23358D !important;
}
.text-blue-600 {
    color: #3B58FD !important;
}
.border-blue-600 {
    border-color: #3B58FD !important;
}
.accent-blue-600 {
    accent-color: #3B58FD !important;
}

/* Brand Mint & Amber Accents */
.text-emerald-400, .text-emerald-500 {
    color: #1BD8A9 !important;
}
.bg-emerald-500, .bg-emerald-600 {
    background-color: #1BD8A9 !important;
}
.text-amber-400, .text-amber-500 {
    color: #FB903D !important;
}
.bg-amber-500 {
    background-color: #FB903D !important;
}

/* Subtle fintech grid pattern */
.bg-grid-pattern {
    background-size: 32px 32px;
    background-image: 
        linear-gradient(to right, rgba(226, 232, 240, 0.45) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(226, 232, 240, 0.45) 1px, transparent 1px);
}

/* Soft ambient gradient orbs */
.hero-glow {
    background: radial-gradient(circle 540px at 50% 200px, rgba(37, 99, 235, 0.09), transparent 70%);
}

/* Three.js canvas container */
#three-hero-container {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    pointer-events: auto;
    z-index: 10;
}

/* Tilt Card Transition */
.tilt-card {
    transition: transform 0.15s ease-out, box-shadow 0.2s ease-out;
    transform-style: preserve-3d;
    will-change: transform;
}

/* Video Card Thumbnail Overlay */
.video-card-thumb {
    position: relative;
    overflow: hidden;
    border-radius: 1.25rem;
    background: linear-gradient(135deg, #1e293b, #0f172a);
}

.video-card-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.2) 60%, transparent 100%);
}

.play-btn-pulse {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-card-thumb:hover .play-btn-pulse {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(37, 99, 235, 0.6);
}

/* AUTHENTIC WHATSAPP MESSENGER UI CARD */
.wa-window {
    background-color: #efeae2;
    background-image: radial-gradient(#d1d7db 0.75px, transparent 0.75px);
    background-size: 16px 16px;
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 20px 45px -10px rgba(15, 23, 42, 0.35);
    border: 1px solid #d1d7db;
}

.wa-header {
    background-color: #008069;
    color: #ffffff;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wa-speech-bubble {
    position: relative;
    background-color: #ffffff;
    border-radius: 0.5rem;
    border-top-left-radius: 0;
    padding: 10px 12px;
    box-shadow: 0 1px 1.5px rgba(11, 20, 26, 0.15);
    max-width: 92%;
}

.wa-speech-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 8px 10px 0;
    border-color: transparent #ffffff transparent transparent;
}

.wa-footer-bar {
    background-color: #f0f2f5;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-top: 1px solid #e9edef;
}

/* Custom Range Slider */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    background: #e2e8f0;
    height: 8px;
    border-radius: 9999px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    margin-top: -6px;
    background-color: #2563eb;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    border: 3px solid #ffffff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
    transition: transform 0.1s ease;
}

input[type="range"]:focus::-webkit-slider-thumb {
    transform: scale(1.15);
}

/* Glassmorphism utility */
.glass-panel {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(241, 245, 249, 0.9);
}

/* Simple keyframe fade in */
@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.97) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.animate-fadeIn {
    animation: fadeIn 0.28s ease-out forwards;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.animate-slideUp {
    animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideDown {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(24px) scale(0.96); }
}

.animate-slideDown {
    animation: slideDown 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* QR Code Scan Frame Effect */
.qr-frame {
    position: relative;
    padding: 12px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.qr-frame::before, .qr-frame::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: #2563eb;
    border-style: solid;
}

.qr-frame::before {
    top: 6px;
    left: 6px;
    border-width: 3px 0 0 3px;
    border-top-left-radius: 8px;
}

.qr-frame::after {
    bottom: 6px;
    right: 6px;
    border-width: 0 3px 3px 0;
    border-bottom-right-radius: 8px;
}