/* -------------------------------------------------------------
   CSS Reset & Variables
------------------------------------------------------------- */
:root {
    --bg-dark: #070a12;
    --bg-dark-rgb: 7, 10, 18;
    --bg-panel: rgba(16, 22, 38, 0.65);
    --bg-panel-solid: #101626;
    --accent-cyan: #00F2FE;
    --accent-blue: #4FACFE;
    --accent-pink: #F857A6;
    --accent-orange: #FF8C00;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-highlight: rgba(0, 242, 254, 0.15);
    --glow-primary: rgba(0, 242, 254, 0.15);
    --glow-secondary: rgba(79, 172, 254, 0.1);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

html, body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* -------------------------------------------------------------
   Background Effects
------------------------------------------------------------- */
.bg-glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.45;
}

.glow-primary {
    top: -20%;
    right: -10%;
    width: 50vw;
    height: 50vh;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
}

.glow-secondary {
    bottom: -20%;
    left: -10%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    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: 40px 40px;
    background-position: center center;
    pointer-events: none;
}

/* -------------------------------------------------------------
   Typography & Common Elements
------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
    border-color: rgba(0, 242, 254, 0.15);
}

/* Buttons styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

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

.btn-secondary:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-gradient {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45);
}

.btn-full {
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    text-transform: uppercase;
}

.badge-accent {
    background: rgba(0, 242, 254, 0.08);
    border-color: rgba(0, 242, 254, 0.3);
    color: var(--accent-cyan);
}

/* -------------------------------------------------------------
   Header & Navigation
------------------------------------------------------------- */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 40px;
    background: rgba(7, 10, 18, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.08em;
    background: linear-gradient(135deg, #fff 40%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text span {
    font-weight: 300;
    color: var(--accent-cyan);
    -webkit-text-fill-color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    padding: 6px 0;
}

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

/* -------------------------------------------------------------
   Main App Containers & Sections
------------------------------------------------------------- */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

section {
    padding: 80px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

section:last-of-type {
    border-bottom: none;
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title h2 {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

/* -------------------------------------------------------------
   Hero Section
------------------------------------------------------------- */
.hero-section-layout {
    padding-top: 40px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin: 16px 0 20px;
}

.hero-text h1 span {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.stats-row {
    display: flex;
    gap: 40px;
}

.stat-box {
    display: flex;
    flex-direction: column;
}

.stat-box .stat-val {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-box .stat-lbl {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.hero-visual {
    width: 100%;
}

.visual-card {
    display: flex;
    flex-direction: column;
    height: 480px;
    overflow: hidden;
}

.card-header-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.preview-3d-placeholder {
    flex-grow: 1;
    position: relative;
    background: radial-gradient(circle at 50% 50%, rgba(16, 24, 48, 0.4) 0%, transparent 80%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-fallback-glow {
    position: absolute;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 60%);
    filter: blur(24px);
    opacity: 0.15;
    animation: float 4s infinite alternate ease-in-out;
}

@keyframes float {
    0% { transform: translateY(0px) scale(0.9); }
    100% { transform: translateY(-15px) scale(1.1); }
}

.card-footer-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border-color);
    background: rgba(7, 10, 18, 0.4);
}

.mini-stat {
    padding: 16px;
    text-align: center;
    border-right: 1px solid var(--border-color);
}

.mini-stat:last-child {
    border-right: none;
}

.mini-stat .lbl {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.mini-stat .val {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
}

/* -------------------------------------------------------------
   The Process Section
------------------------------------------------------------- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.process-card-step {
    padding: 32px 24px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: hidden;
}

.process-card-step .step-badge {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.03);
    user-select: none;
}

.process-card-step .icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(0, 242, 254, 0.06);
    border: 1px solid rgba(0, 242, 254, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-cyan);
}

.process-card-step h3 {
    font-size: 1.2rem;
}

/* -------------------------------------------------------------
   Sandbox Section & Tabs
------------------------------------------------------------- */
.demo-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.demo-tab-btn {
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    outline: none;
}

.demo-tab-btn.active, .demo-tab-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    background: rgba(0, 242, 254, 0.05);
}

.demo-tab-content {
    display: none;
    animation: tabFadeIn 0.35s ease-out;
}

.demo-tab-content.active {
    display: block;
}

@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* -------------------------------------------------------------
   3D Scan Insights (Demo Tab A)
------------------------------------------------------------- */
.analysis-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 32px;
    align-items: start;
}

.analysis-viewport-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.analysis-title-group h3 {
    font-size: 1.25rem;
}

.analysis-title-group p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.view-modes {
    display: flex;
    background: rgba(7, 10, 18, 0.4);
    border: 1px solid var(--border-color);
    padding: 4px;
    border-radius: var(--radius-md);
    gap: 4px;
}

.view-mode-btn {
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.view-mode-btn.active {
    background: var(--text-primary);
    color: #000;
}

.analysis-canvas-container {
    height: 460px;
    position: relative;
    background: radial-gradient(circle at 50% 50%, rgba(16, 24, 48, 0.45) 0%, transparent 85%);
}

.dimension-overlay-labels {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.dimension-card {
    position: absolute;
    background: rgba(7, 10, 18, 0.75);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
}

.dimension-card.top-left { top: 20px; left: 20px; border-left: 3px solid var(--accent-cyan); }
.dimension-card.top-right { top: 20px; right: 20px; border-right: 3px solid var(--accent-cyan); }
.dimension-card.bottom-left { bottom: 20px; left: 20px; border-left: 3px solid var(--accent-cyan); }

.dimension-card .label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.dimension-card .value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
}

.analysis-viewer-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: rgba(7, 10, 18, 0.4);
}

.analysis-viewer-actions .info {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.analysis-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* -------------------------------------------------------------
   File Upload Dropzone Panel
------------------------------------------------------------- */
.upload-dropzone-panel {
    padding: 32px 24px;
    text-align: center;
    border: 2px dashed rgba(0, 242, 254, 0.2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    background: rgba(16, 22, 38, 0.4);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.upload-dropzone-panel:hover, .upload-dropzone-panel.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 242, 254, 0.03);
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.1);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.upload-icon {
    font-size: 2.2rem;
    color: var(--accent-cyan);
    animation: uploadFloat 3s infinite ease-in-out alternate;
}

@keyframes uploadFloat {
    from { transform: translateY(0px); }
    to { transform: translateY(-8px); }
}

.upload-dropzone-panel h4 {
    font-size: 1.1rem;
}

.upload-limit {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Analysis Loader inside Dropzone */
.analysis-loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0d1222;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.analysis-loader-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(0, 242, 254, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent-cyan);
    animation: spin 1s infinite linear;
    margin-bottom: 20px;
}

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

.loader-progress-bar {
    width: 80%;
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 16px;
}

.bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transition: width 0.15s ease-out;
}

.metrics-panel {
    padding: 24px;
}

.metrics-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 16px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.metric-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.metric-row .name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.metric-row .name i {
    color: var(--accent-cyan);
    font-size: 0.95rem;
}

.metric-row .val {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
}

.orthotics-panel {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.arch-bar-container {
    width: 100%;
    margin-top: 8px;
}

.arch-header-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.active-arch {
    color: var(--accent-cyan);
    font-weight: 700;
}

.arch-track {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    position: relative;
}

.arch-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 3px;
}

.arch-marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background-color: var(--text-primary);
    border: 3px solid var(--bg-dark);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-cyan);
}

.arch-description {
    font-size: 0.85rem;
}

/* -------------------------------------------------------------
   Bespoke Fit Customizer (Demo Tab B)
------------------------------------------------------------- */
.customizer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: start;
}

.shoe-preview-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.preview-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.match-score {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    color: #10B981;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.preview-header h2 {
    font-size: 1.4rem;
    margin-top: 4px;
}

.shoe-canvas-container {
    height: 400px;
    background: radial-gradient(circle at 50% 50%, rgba(16, 24, 48, 0.45) 0%, transparent 85%);
    position: relative;
}

.custom-options-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border-color);
    background: rgba(7, 10, 18, 0.4);
}

.opt-summary-item {
    padding: 16px;
    text-align: center;
    border-right: 1px solid var(--border-color);
}

.opt-summary-item:last-child {
    border-right: none;
}

.opt-summary-item .lbl {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.opt-summary-item .val {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
}

.customizer-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.config-panel {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.config-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.config-label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.color-options {
    display: flex;
    gap: 14px;
}

.color-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    outline: none;
}

.color-dot.active {
    border-color: var(--text-primary);
    transform: scale(1.1);
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.selection-btn {
    background: rgba(7, 10, 18, 0.4);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: var(--transition-fast);
}

.selection-btn .title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.selection-btn .desc {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.selection-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.selection-btn.active {
    border-color: var(--accent-cyan);
    background: rgba(0, 242, 254, 0.04);
}

.custom-select {
    background: rgba(7, 10, 18, 0.4);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
    width: 100%;
}

.custom-select option {
    background-color: var(--bg-dark-rgb);
    color: var(--text-primary);
}

.checkout-panel {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-heading);
    font-size: 0.95rem;
}

.price-row.sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.price-row.total {
    font-size: 1.3rem;
    font-weight: 700;
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
}

.delivery-guarantee {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.delivery-guarantee i {
    color: #10B981;
    margin-right: 4px;
}

/* -------------------------------------------------------------
   Download iOS App Section
------------------------------------------------------------- */
.download-card {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    padding: 56px;
    align-items: center;
    overflow: hidden;
}

.download-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.download-content h2 {
    font-size: 2.5rem;
}

.app-features-bullets {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 8px 0;
}

.bullet-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.bullet-item i {
    color: var(--accent-cyan);
}

.store-buttons {
    margin-top: 12px;
}

.app-store-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #000;
    border: 1px solid rgba(255,255,255,0.15);
    padding: 10px 22px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.app-store-badge:hover {
    border-color: rgba(255,255,255,0.3);
    background: #111;
}

.app-store-badge i {
    font-size: 2rem;
}

.app-store-badge .small-text {
    display: block;
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.app-store-badge .big-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

.download-preview-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Phone Mockup */
.phone-mockup {
    width: 250px;
    height: 480px;
    border: 12px solid #1E293B;
    border-radius: 40px;
    background-color: #000;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 40px rgba(0, 242, 254, 0.15);
    position: relative;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(circle at 50% 50%, #0d1e3d 0%, #020617 100%);
}

.phone-foot-icon {
    font-size: 5rem;
    color: var(--accent-cyan);
    opacity: 0.8;
    z-index: 2;
    text-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.scanning-circle-laser {
    position: absolute;
    width: 160px;
    height: 160px;
    border: 1px dashed rgba(0, 242, 254, 0.5);
    border-radius: 50%;
    animation: rotateScan 10s infinite linear;
    z-index: 1;
}

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

/* -------------------------------------------------------------
   Success Modal Dialog
------------------------------------------------------------- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(7, 10, 18, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    max-width: 480px;
    width: 90%;
    padding: 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-content {
    transform: scale(1);
}

.modal-success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.modal-content h2 {
    font-size: 1.6rem;
}

.modal-actions {
    width: 100%;
    margin-top: 10px;
}

/* -------------------------------------------------------------
   Responsive Design Breakpoints
------------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero-grid, .analysis-grid, .customizer-grid, .download-card {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .hero-text {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .stats-row {
        justify-content: center;
    }

    .hero-text p {
        margin: 0 auto 32px;
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-header {
        padding: 16px 24px;
    }

    .download-content {
        text-align: center;
        align-items: center;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }
    
    .hero-text h1 {
        font-size: 2.4rem;
    }
    
    .stats-row {
        flex-wrap: wrap;
        gap: 20px;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }
}