/* ----------------------------------------------------
   InboxGuard Style Sheets
   Theme: Friendly Security (Deep Blue & Modern Teal)
   ---------------------------------------------------- */

/* CSS custom properties */
:root {
    --primary: #0d9488;
    --primary-hover: #0f766e;
    --primary-light: #ccfbf1;
    --secondary: #475569;
    --secondary-hover: #334155;
    
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    
    --text-dark: #0f172a;
    --text-muted: #475569;
    --text-light: #f8fafc;
    
    --accent: #f59e0b; /* Warning/Orange */
    --danger: #e11d48; /* Red threat alert */
    --danger-light: #ffe4e6;
    --success: #16a34a; /* Green safe indicator */
    --success-light: #dcfce7;
    
    --border-color: #e2e8f0;
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-white);
    color: var(--text-muted);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.25;
}

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

ul {
    list-style: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Helper Class Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

/* Typography Headings scale */
h1 {
    font-size: 2.75rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.25rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

/* Section Common Layouts */
section {
    padding: 96px 0;
}

.section-header {
    max-width: 680px;
    margin: 0 auto 56px auto;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
}

.btn-full {
    width: 100%;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(13, 148, 136, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-light);
    border-color: var(--text-muted);
}

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

.btn-white:hover {
    background-color: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 255, 255, 0.25);
}

/* Waitlist Form Styling */
.waitlist-form {
    width: 100%;
    max-width: 500px;
    margin-bottom: 24px;
}

.waitlist-form-center {
    margin: 0 auto 24px auto;
}

.input-group {
    display: flex;
    gap: 8px;
    background-color: var(--bg-white);
    padding: 6px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.input-group input[type="email"] {
    flex-grow: 1;
    border: none;
    outline: none;
    padding: 10px 16px;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    border-radius: 8px;
    color: var(--text-dark);
}

.input-group input[type="email"]::placeholder {
    color: #94a3b8;
}

.input-group button[type="submit"] {
    white-space: nowrap;
    border-radius: 8px;
}

/* Header & Navigation Styles */
.site-header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background-color var(--transition-normal);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--bg-dark);
    letter-spacing: -0.01em;
}

.logo-text span {
    color: var(--primary);
}

.primary-navigation {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-muted);
}

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

/* Hamburger mobile nav toggle */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1100;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    left: 0;
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

/* Responsive navigation toggle states */
.mobile-nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}


/* Hero Section Styles */
.hero-section {
    position: relative;
    padding: 120px 0 100px 0;
    background: radial-gradient(circle at 100% 0%, #ccfbf1 0%, #ffffff 50%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge-trust {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-light);
    color: var(--primary-hover);
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    margin-bottom: 20px;
    font-size: 3.5rem;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-trust-indicator {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    width: 100%;
}

.stars {
    color: var(--accent);
    font-size: 1.25rem;
    letter-spacing: 2px;
}

.hero-trust-indicator span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Device & Inbox Mockup Styles */
.hero-visual {
    width: 100%;
    display: flex;
    justify-content: center;
}

.device-mockup {
    width: 100%;
    max-width: 500px;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl), 0 30px 60px -15px rgba(15, 23, 42, 0.12);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.mockup-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: #f1f5f9;
}

.mockup-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #cbd5e1;
    margin-right: 8px;
}

.mockup-header .dot:nth-child(1) { background-color: #f87171; }
.mockup-header .dot:nth-child(2) { background-color: #fbbf24; }
.mockup-header .dot:nth-child(3) { background-color: #34d399; }

.mockup-title {
    margin-left: auto;
    margin-right: auto;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
}

.mockup-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.email-item {
    display: flex;
    align-items: flex-start;
    padding: 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-white);
    position: relative;
    transition: transform var(--transition-fast);
}

.email-item:hover {
    transform: scale(1.01);
}

.email-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    margin-right: 12px;
    flex-shrink: 0;
}

.safe-icon {
    background-color: var(--success-light);
    color: var(--success);
}

.alert-icon {
    background-color: var(--danger-light);
    color: var(--danger);
}

.email-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    margin-right: 12px;
}

.email-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2px;
}

.sender {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-dark);
}

.sender.alert-text {
    color: var(--danger);
}

.time {
    font-size: 0.75rem;
    color: #94a3b8;
}

.subject {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.preview {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
}

.tag-status {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 9999px;
    text-transform: uppercase;
}

.tag-safe {
    background-color: var(--success-light);
    color: var(--success);
}

.tag-scam {
    background-color: var(--danger);
    color: var(--text-light);
}

/* Nested Warn Banner in Mockup */
.email-content-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.email-row {
    display: flex;
    align-items: flex-start;
    position: relative;
    width: 100%;
}

.scam-alert {
    border: 1px solid var(--danger);
    background-color: #fff1f2;
}

.warning-banner-embed {
    margin-top: 10px;
    background-color: var(--danger-light);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    border-left: 4px solid var(--danger);
    animation: fadeIn 0.5s ease-out;
}

.warning-header {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--danger);
    font-size: 0.8125rem;
    margin-bottom: 4px;
}

.warning-banner-embed p {
    font-size: 0.75rem;
    color: #9f1239;
    line-height: 1.4;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}


/* Social Proof Logos Section */
.social-proof-section {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 48px 0;
}

.social-proof-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    margin-bottom: 24px;
}

.provider-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 64px;
    flex-wrap: wrap;
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #64748b;
    font-weight: 600;
    font-size: 1.125rem;
    transition: color var(--transition-fast);
}

.logo-item:hover {
    color: var(--text-dark);
}


/* Features Section Styles */
.features-section {
    background-color: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg), 0 20px 40px -10px rgba(13, 148, 136, 0.05);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--primary-light);
    color: var(--primary);
    margin-bottom: 24px;
}

.feature-card-title {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature-card-description {
    font-size: 0.9375rem;
    color: var(--text-muted);
}


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

.steps-flow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.step-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 32px;
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
}

.step-title {
    margin-top: 8px;
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.step-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.step-visual {
    width: 100%;
    margin-top: auto;
    border-top: 1px dashed var(--border-color);
    padding-top: 20px;
    display: flex;
    justify-content: center;
}

/* Step 1 Visual Mockup */
.mini-input-mock {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mini-label {
    font-size: 0.6875rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
}

.mini-input-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    font-size: 0.75rem;
}

.mini-input-box span {
    color: var(--text-dark);
    font-weight: 500;
}

.mini-btn {
    background-color: var(--primary);
    color: var(--text-light);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 600;
}

/* Step 2 Visual Mockup (Pulse scanner animation) */
.scan-pulse-container {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pulse-circle {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(13, 148, 136, 0.2);
    animation: scanner-pulse 2s infinite ease-in-out;
}

@keyframes scanner-pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
}

/* Step 3 Visual Mockup (Scam Warning alert) */
.mini-badge-scam {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--danger-light);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.mini-badge-scam .dot-red {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--danger);
    animation: blink 1.2s infinite steps(2, start);
}

@keyframes blink {
    to { visibility: hidden; }
}


/* Testimonial Section Styles */
.testimonial-section {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.testimonial-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.testimonial-quote-icon {
    font-size: 5rem;
    line-height: 1;
    color: var(--primary);
    font-family: var(--font-heading);
    opacity: 0.3;
    margin-bottom: -10px;
}

.testimonial-quote {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--bg-light);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-details {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.author-name {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-light);
}

.author-role {
    font-size: 0.875rem;
    color: #94a3b8;
}


/* FAQs Accordion Styles */
.faq-section {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.faq-accordion-container {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.faq-item[open] {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.faq-question {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--text-dark);
    padding: 20px 24px;
    cursor: pointer;
    list-style: none; /* Hide default arrow */
    position: relative;
    user-select: none;
    transition: color var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none; /* Safari default arrow hide */
}

/* Custom indicator icon */
.faq-question::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-muted);
    transition: transform var(--transition-normal);
}

.faq-item[open] .faq-question::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
    color: var(--primary);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-answer {
    padding: 0 24px 20px 24px;
    font-size: 0.9375rem;
    color: var(--text-muted);
    border-top: 1px solid transparent;
}

.faq-item[open] .faq-answer {
    border-top-color: #f1f5f9;
}


/* Final Call To Action Banner */
.cta-banner-section {
    background: radial-gradient(circle at 0% 100%, var(--primary-hover) 0%, var(--bg-dark) 100%);
    color: var(--text-light);
    position: relative;
    padding: 96px 0;
    overflow: hidden;
}

.cta-title {
    color: var(--text-light);
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-subtitle {
    max-width: 600px;
    margin: 0 auto 32px auto;
    font-size: 1.125rem;
    color: #94a3b8;
}

.cta-note {
    display: block;
    margin-top: 16px;
    font-size: 0.8125rem;
    color: #64748b;
}


/* Footer Styles */
.site-footer {
    background-color: var(--bg-dark);
    color: #94a3b8;
    border-top: 1px solid #1e293b;
    padding: 64px 0 24px 0;
    font-size: 0.875rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 360px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand .logo-text {
    color: var(--text-light);
}

.footer-desc {
    line-height: 1.6;
}

.footer-links-group {
    display: flex;
    gap: 64px;
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-col-title {
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.footer-links-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-col a:hover {
    color: var(--text-light);
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #64748b;
}


/* ----------------------------------------------------
   Responsive Media Queries
   ---------------------------------------------------- */

@media (max-width: 992px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    section {
        padding: 64px 0;
    }
    
    .hero-container {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 32px;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .features-grid {
        gap: 24px;
    }
    
    .provider-logos {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* Header toggle */
    .mobile-nav-toggle {
        display: block;
    }
    
    .primary-navigation {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 48px;
        display: none;
        opacity: 0;
        transition: opacity var(--transition-normal);
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }
    
    .primary-navigation.active {
        display: flex;
        opacity: 1;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 24px;
        width: 100%;
        padding: 0 24px;
    }
    
    .nav-link {
        font-size: 1.125rem;
        display: block;
        text-align: center;
        width: 100%;
        padding: 10px 0;
    }
    
    .nav-cta {
        width: 100%;
        margin-top: 16px;
    }
    
    /* Hero layout stack */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .waitlist-form {
        max-width: 100%;
    }
    
    .hero-trust-indicator {
        justify-content: center;
    }
    
    /* Features layout stack */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* Steps layout stack */
    .steps-flow {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .step-card {
        padding-top: 40px;
    }
    
    /* Footer layout stack */
    .footer-container {
        flex-direction: column;
        gap: 32px;
    }
    
    .footer-links-group {
        flex-wrap: wrap;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    h1, .hero-title {
        font-size: 2.25rem;
    }
    
    .input-group {
        flex-direction: column;
        background-color: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
        gap: 12px;
    }
    
    .input-group input[type="email"] {
        width: 100%;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        box-shadow: var(--shadow-sm);
        padding: 14px 16px;
    }
    
    .input-group button[type="submit"] {
        width: 100%;
        padding: 14px 16px;
    }
    
    .provider-logos {
        gap: 24px;
    }
    
    .logo-item span {
        display: none;
    }
    
    .email-details {
        max-width: 160px;
    }
    
    .preview {
        max-width: 150px;
    }
    
    .faq-question {
        padding-right: 48px;
    }
}