/* ============================================
   Service Hub — GPT Subscription
   Premium Design System
   ============================================ */

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

:root {
    --bg-primary: #080e1f;
    --bg-secondary: #0d1529;
    --bg-card: rgba(13, 21, 41, 0.85);
    --bg-card-hover: rgba(18, 28, 52, 0.9);
    --bg-input: rgba(255, 255, 255, 0.04);
    --bg-input-focus: rgba(255, 255, 255, 0.07);

    --border: rgba(255, 255, 255, 0.06);
    --border-focus: rgba(77, 166, 255, 0.5);
    --border-card: rgba(77, 166, 255, 0.1);

    --text-primary: #f0f0f5;
    --text-secondary: #8b8b9e;
    --text-tertiary: #5e5e72;
    --text-accent: #4DA6FF;

    --accent: #4DA6FF;
    --accent-light: #80BFFF;
    --accent-dark: #2B8AE6;
    --accent-glow: rgba(77, 166, 255, 0.15);
    --accent-glow-strong: rgba(77, 166, 255, 0.3);

    --accent2: #FFA726;
    --accent2-light: #FFB94D;
    --accent2-dark: #E68A00;
    --accent2-glow: rgba(255, 167, 38, 0.15);

    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --error-border: rgba(239, 68, 68, 0.3);

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-border: rgba(245, 158, 11, 0.3);

    --success: #4DA6FF;
    --success-bg: rgba(77, 166, 255, 0.1);
    --success-border: rgba(77, 166, 255, 0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px rgba(77, 166, 255, 0.15);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}


html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Animated Background --- */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    pointer-events: none;
    animation: glowFloat 12s ease-in-out infinite;
}

.bg-glow-1 {
    width: 500px;
    height: 500px;
    background: rgba(77, 166, 255, 0.08);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.bg-glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(43, 138, 230, 0.05);
    bottom: 10%;
    left: -10%;
    animation-delay: -4s;
}

.bg-glow-3 {
    width: 300px;
    height: 300px;
    background: rgba(255, 167, 38, 0.04);
    top: 40%;
    right: 20%;
    animation-delay: -8s;
}

@keyframes glowFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    background: rgba(10, 10, 15, 0.7);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    border: 1px solid rgba(77, 166, 255, 0.2);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--accent);
}

.nav-badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent2);
    background: var(--accent2-glow);
    border: 1px solid rgba(255, 167, 38, 0.2);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}

/* --- Main --- */
.main {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
    padding-top: 100px;
    padding-bottom: 80px;
}

/* --- Hero --- */
.hero {
    text-align: center;
    margin-bottom: 48px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid rgba(77, 166, 255, 0.15);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 40%, var(--accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- Activation Card --- */
.activation-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-xl);
    padding: 36px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.03);
    transition: var(--transition-base);
}

/* --- Steps Bar --- */
.steps-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 36px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
}

.step-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border: 2px solid var(--border);
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 700;
    transition: var(--transition-base);
    position: relative;
}

.step.active .step-circle {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 20px rgba(77, 166, 255, 0.2);
}

.step.completed .step-circle {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.step-check {
    display: none;
}

.step.completed .step-num {
    display: none;
}

.step.completed .step-check {
    display: block;
}

.step-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-base);
    white-space: nowrap;
}

.step.active .step-label,
.step.completed .step-label {
    color: var(--text-secondary);
}

.step-line {
    width: 60px;
    height: 2px;
    background: var(--border);
    margin: 0 12px;
    margin-bottom: 24px;
    border-radius: 2px;
    overflow: hidden;
}

.step-line-fill {
    width: 0%;
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* --- Step Content --- */
.step-content {
    display: none;
    animation: fadeSlideIn 0.4s ease;
}

.step-content.active {
    display: block;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.step-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(77, 166, 255, 0.15);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.step-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Input --- */
.input-group {
    margin-bottom: 20px;
}

.input-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input {
    width: 100%;
    padding: 14px 16px;
    padding-right: 48px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', monospace;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-base);
}

.input::placeholder {
    color: var(--text-tertiary);
}

.input:focus {
    border-color: var(--border-focus);
    background: var(--bg-input-focus);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.08);
}

.textarea {
    resize: vertical;
    min-height: 100px;
    padding-right: 16px;
    font-size: 0.85rem;
    line-height: 1.6;
}

.input-paste-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.input-paste-btn:hover {
    color: var(--accent);
    background: var(--accent-glow);
}

.input-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-top: 8px;
}

.input-hint a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.input-hint a:hover {
    text-decoration: underline;
}

/* --- Auth Toggle --- */
.auth-toggle {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

.auth-toggle-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.auth-toggle-btn:hover {
    color: var(--text-secondary);
}

.auth-toggle-btn.active {
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(77, 166, 255, 0.2);
}

/* --- Alert --- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.5;
}

.alert.hidden {
    display: none;
}

.alert-error {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: #fca5a5;
}

.alert-warning {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: #fcd34d;
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: #6ee7b7;
}

/* --- CDK Info Card --- */
.cdk-info {
    background: rgba(77, 166, 255, 0.05);
    border: 1px solid rgba(77, 166, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 24px;
    animation: fadeSlideIn 0.3s ease;
}

.cdk-info.hidden {
    display: none;
}

.cdk-info-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.cdk-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.cdk-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cdk-info-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cdk-info-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    color: #fff;
    box-shadow: 0 4px 16px rgba(77, 166, 255, 0.3);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 24px rgba(77, 166, 255, 0.4);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-ghost {
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-input-focus);
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.12);
}

.btn-loader.hidden {
    display: none;
}

.btn.loading .btn-text {
    visibility: hidden;
}

.btn.loading .btn-loader {
    display: flex;
    position: absolute;
}

.spinner {
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

.step-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.step-actions .btn-ghost {
    width: auto;
}

.step-actions .btn-primary {
    flex: 1;
}

/* --- Activation Status --- */
.activation-status {
    text-align: center;
    padding: 20px 0;
}

/* Processing */
.status-processing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.pulse-ring {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: pulseRing 2s ease-in-out infinite;
}

.pulse-ring::before,
.pulse-ring::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--accent);
    animation: ripple 2s ease-in-out infinite;
}

.pulse-ring::after {
    animation-delay: 0.5s;
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.8);
        opacity: 0;
    }
}

@keyframes pulseRing {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse-core {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    z-index: 1;
}

.status-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.status-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    max-width: 300px;
    height: 4px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent-light));
    border-radius: 4px;
    width: 10%;
    transition: width 0.5s ease;
    animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Success */
.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--success-bg);
    border: 2px solid var(--success-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin: 0 auto 20px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-title {
    color: var(--accent);
}

.success-details {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin: 20px 0;
    text-align: left;
    font-size: 0.85rem;
}

.success-details p {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    color: var(--text-secondary);
}

.success-details p span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

/* Failed */
.failed-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--error-bg);
    border: 2px solid var(--error-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--error);
    margin: 0 auto 20px;
    animation: scaleIn 0.5s ease;
}

.failed-title {
    color: var(--error);
}

/* --- How It Works --- */
.how-it-works {
    margin-top: 80px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 36px;
    letter-spacing: -0.02em;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-base);
}

.info-card:hover {
    border-color: rgba(77, 166, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.info-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--accent-glow);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    border: 1px solid rgba(77, 166, 255, 0.1);
}

.info-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.info-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Footer --- */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 36px 20px 28px;
    text-align: center;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-contact {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-full);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    border: 1px solid;
}

.footer-contact-btn.whatsapp {
    color: #25D366;
    background: rgba(37, 211, 102, 0.08);
    border-color: rgba(37, 211, 102, 0.25);
}

.footer-contact-btn.whatsapp:hover {
    background: rgba(37, 211, 102, 0.18);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.2);
    transform: translateY(-2px);
}

.footer-contact-btn.facebook {
    color: #1877F2;
    background: rgba(24, 119, 242, 0.08);
    border-color: rgba(24, 119, 242, 0.25);
}

.footer-contact-btn.facebook:hover {
    background: rgba(24, 119, 242, 0.18);
    box-shadow: 0 4px 16px rgba(24, 119, 242, 0.2);
    transform: translateY(-2px);
}

.footer-divider {
    width: 60px;
    height: 1px;
    background: var(--border);
    margin: 0 auto 16px;
}

.footer p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.footer-sub {
    margin-top: 4px;
    font-size: 0.72rem !important;
    color: var(--text-tertiary);
    opacity: 0.6;
}

/* --- Responsive --- */
@media (max-width: 640px) {
    .main {
        padding-top: 88px;
        padding-bottom: 60px;
    }

    .activation-card {
        padding: 24px 18px;
    }

    .steps-bar {
        gap: 0;
    }

    .step-line {
        width: 32px;
        margin: 0 6px;
    }

    .step-label {
        font-size: 0.6rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .step-header {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .step-actions {
        flex-direction: column;
    }

    .step-actions .btn-ghost {
        width: 100%;
    }

    .cdk-info-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 1.6rem;
    }
}