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

html {
    scroll-behavior: smooth;
}

:root {
    /* Monochrome Color Palette */
    --color-primary: #ffffff;
    --color-primary-dark: #d4d4d4;
    --color-primary-light: #f5f5f5;
    --color-primary-glow: rgba(255, 255, 255, 0.1);
    
    --color-secondary: #a3a3a3;

    /* Dark Mode Theme */
    --color-bg-base: #0a0a0a;
    --color-bg-surface: #141414; 
    --color-bg-surface-hover: #1f1f1f;
    --color-bg-card: rgba(20, 20, 20, 0.8);
    --color-bg-glass: rgba(10, 10, 10, 0.7);
    
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-glow: rgba(255, 255, 255, 0.2);

    /* Typography Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a3a3a3;
    --color-text-muted: #737373;

    /* Base Palette */
    --color-white: #ffffff;
    --color-black: #000000;

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-base);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(255, 255, 255, 0.03), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.02), transparent 25%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

/* Subtle Animated Grain Effect */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 9999;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ===========================
   Navigation
   =========================== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--color-bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    text-decoration: none;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(to right, #b0ff94, #82c341);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-black);
    box-shadow: 0 4px 15px var(--color-primary-glow);
    border: 1px solid rgba(255,255,255,0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--color-primary-glow);
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-surface-hover);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.step-actions-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.wizard-step-actions {
    margin-top: var(--spacing-xl);
    width: 100%;
}
.wizard-step-actions .btn-primary {
    flex: 1;
}

/* ===========================
   Section Styles
   =========================== */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================
   Services Section
   =========================== */
.services {
    padding-top: 140px;
}

.services-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.service-icon-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-radius: var(--radius-2xl);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
}

.service-icon-wrapper:hover {
    transform: translateY(-5px);
    border-color: var(--color-border-glow);
    background: var(--color-bg-surface-hover);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.service-icon-wrapper.active {
    border-color: var(--color-primary);
    background: rgba(176, 255, 148, 0.03);
    box-shadow: 0 0 20px var(--color-primary-glow), inset 0 0 20px rgba(176, 255, 148, 0.05);
}

.service-icon-large {
    width: 80px;
    height: 80px;
    background: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.service-icon-wrapper:hover .service-icon-large {
    color: var(--color-text-primary);
    border-color: var(--color-border-glow);
}

.service-icon-wrapper.active .service-icon-large {
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px var(--color-primary-glow);
}

.service-icon-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
}

.service-details {
    max-width: 600px;
    margin: 0 auto;
    animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    scroll-margin-top: 100px;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.service-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

/* ===========================
   Page Transition Overlay
   =========================== */
.page-transition-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--color-bg-base);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.page-transition-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.transition-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 1px;
}

/* ===========================
   Wizard Layout
   =========================== */
.wizard-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    gap: var(--spacing-md);
}

.wizard-loading p {
    color: var(--color-primary);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
    animation: textPulse 1.5s ease-in-out infinite;
    text-transform: uppercase;
}

@keyframes textPulse {
    0%, 100% { opacity: 0.4; text-shadow: none; }
    50% { opacity: 1; text-shadow: 0 0 12px rgba(130, 195, 65, 0.5); }
}

.pixel-loader {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { 100% { transform: rotate(360deg); } }

.wizard-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.wizard-row {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.wizard-row.location-row {
    background: transparent;
    border: none;
    padding: 0;
}

.wizard-section-title {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
}

.explain-row {
    background: transparent;
    border: none;
    padding: 0;
}

.service-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 8px 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    border-bottom: 1px dashed var(--color-border);
}

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

.service-features li strong {
    color: var(--color-text-primary);
}

/* Map specific from before but refined */
.kyun-location-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    background: radial-gradient(ellipse at center, var(--color-bg-surface-hover) 0%, var(--color-bg-base) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: inset 0 2px 20px rgba(0,0,0,0.5);
}

.kyun-map-container {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.kyun-map-container svg {
    width: 100%; height: 100%;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.kyun-map-container path {
    fill: var(--color-bg-surface);
    stroke: var(--color-border);
    stroke-width: 0.1px;
    transition: all 0.4s ease;
}

.kyun-map-container path.active {
    fill: var(--color-primary-glow);
    stroke: var(--color-primary);
    stroke-width: 0.2px;
    filter: drop-shadow(0 0 8px var(--color-primary-glow));
}

.kyun-location-overlay {
    position: relative;
    z-index: 10;
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.kyun-nav-btn {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kyun-nav-btn svg {
    width: 14px;
    height: 14px;
}

.kyun-nav-btn:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-surface-hover);
}

.kyun-active-location {
    display: flex;
    align-items: center;
    padding: 2px 8px;
    background: transparent;
}

.kyun-info {
    display: flex;
    align-items: center;
}

.kyun-url {
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

/* ===========================
   Country Selector Buttons (For Refund)
   =========================== */
.country-selector {
    display: flex;
    gap: var(--spacing-md);
}

.country-btn {
    flex: 1;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

.country-btn:hover {
    background: var(--color-bg-surface-hover);
    border-color: var(--color-border-glow);
}

.country-btn.active {
    background: rgba(176, 255, 148, 0.05);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.country-btn .country-flag {
    width: 40px; height: 40px;
    background: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.country-btn.active .country-flag {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary-glow);
}

.country-btn .country-info {
    display: flex;
    flex-direction: column;
}

.country-btn .country-name {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 1rem;
}

.country-btn .country-url {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ===========================
   Step Actions (Desktop & Mobile)
   =========================== */
.step-actions-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.wizard-step-actions {
    margin-top: var(--spacing-lg);
}

/* ===========================
   Calculator
   =========================== */
.calc-input-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.input-label {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.price-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

.price-input-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.price-input {
    background: transparent;
    border: none;
    margin: 0;
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    width: 100px;
    text-align: right;
    outline: none;
    -moz-appearance: textfield; /* Firefox */
}

/* Chrome, Safari, Edge, Opera */
.price-input::-webkit-outer-spin-button,
.price-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.currency-label {
    color: var(--color-text-muted);
    font-weight: 600;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    background: linear-gradient(to right, rgba(176, 255, 148, 0.05), rgba(176, 255, 148, 0.02));
    border: 1px solid rgba(176, 255, 148, 0.2);
}

.fee-info-text {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.fee-info-text svg {
    flex-shrink: 0;
    color: #b0ff94;
}

.fee-label {
    font-weight: 600;
    color: var(--color-text-primary);
}

.fee-amount-wrapper {
    font-size: 2rem;
    font-weight: 800;
    color: #b0ff94;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

/* ===========================
   Chat Interface (How it works)
   =========================== */
.how-it-works {
    background: transparent;
}

.chat-container {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.chat-message {
    display: flex;
    gap: var(--spacing-md);
    max-width: 85%;
    opacity: 0;
}

.chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message.admin {
    align-self: flex-start;
}

.chat-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--color-bg-surface-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.chat-message.admin .chat-avatar {
    border-color: #82c341;
}

.chat-avatar svg {
    width: 18px; height: 18px;
    color: var(--color-text-muted);
}

.chat-avatar img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.chat-bubble {
    padding: 12px 16px;
    border-radius: 20px;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.5;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.chat-message.user .chat-bubble {
    background: var(--color-bg-surface-hover);
    color: var(--color-text-primary);
    border-bottom-right-radius: 4px;
    border: 1px solid var(--color-border);
}

.chat-message.admin .chat-bubble {
    background: linear-gradient(135deg, rgba(176, 255, 148, 0.15), rgba(130, 195, 65, 0.15));
    color: var(--color-text-primary);
    border-top-left-radius: 4px;
    border: 1px solid rgba(130, 195, 65, 0.3);
}

.chat-name {
    font-size: 0.7rem;
    margin-bottom: 4px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chat-message.user .chat-name {
    text-align: right;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    padding-top: 160px;
    padding-bottom: var(--spacing-xl);
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    animation: textReveal 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes textReveal {
    0% {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.hero-video {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 0 30px rgba(176, 255, 148, 0.15);
    border: 1px solid rgba(176, 255, 148, 0.2);
    display: block;
    margin: 0 auto;
    background: var(--color-bg-glass);
    opacity: 0;
    animation: fadeUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.3s forwards;
}

@keyframes fadeUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Mobile Navigation
   =========================== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--color-border);
    padding: 8px 0;
    z-index: 1000;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    transition: color 0.2s;
}

.mobile-nav-item:hover, .mobile-nav-item.active {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-content { justify-content: center; }
    .services-icons { grid-template-columns: 1fr; }
    .chat-message { max-width: 95%; }
    .mobile-nav {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }
    body { padding-bottom: 70px; }
    .country-selector { flex-direction: column; }

    /* Wizard Mobile Fixes */
    .service-card {
        padding: var(--spacing-md);
    }
    .wizard-row {
        padding: var(--spacing-md);
    }
    .hero-title {
        font-size: 2rem;
    }
    .wizard-title {
        font-size: var(--font-size-xl);
    }
    .kyun-location-wrapper {
        height: 180px;
    }
    .kyun-map-container svg {
        transform: scale(1.4);
    }
    
    /* Buttons on mobile */
    .step-actions-flex {
        flex-direction: column-reverse;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-lg);
    }
    .wizard-step-actions {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }
    .wizard-step-actions .btn {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    /* Calculator input mobile */
    .calc-input-row {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    .price-input-wrapper {
        width: auto;
    }
}