/* ==========================================================================
   PHOTO2TEXT PREMIUM MODERN MINIMALIST B&W DESIGN SYSTEM
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-tertiary: #1a1a1a;
    --border-color: #262626;
    --border-hover: #404040;
    --border-active: #ffffff;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --text-muted: #525252;
    --accent-color: #ffffff;
    --accent-bg-glow: rgba(255, 255, 255, 0.03);
    --accent-bg-active: rgba(255, 255, 255, 0.08);
    --accent-hover-fill: #ffffff;
    --accent-hover-text: #000000;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.6);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.8);
    --glass-bg: rgba(18, 18, 18, 0.8);
    --glass-border: rgba(255, 255, 255, 0.05);
    --toast-bg: #ffffff;
    --toast-text: #000000;
    --dropzone-pulse: rgba(255, 255, 255, 0.1);
}

:root[data-theme="light"] {
    --bg-primary: #f7f7f8;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f1f2;
    --border-color: #e4e4e7;
    --border-hover: #a1a1aa;
    --border-active: #09090b;
    --text-primary: #09090b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;
    --accent-color: #09090b;
    --accent-bg-glow: rgba(9, 9, 11, 0.02);
    --accent-bg-active: rgba(9, 9, 11, 0.05);
    --accent-hover-fill: #09090b;
    --accent-hover-text: #ffffff;
    --shadow-sm: 0 2px 8px rgba(9, 9, 11, 0.05);
    --shadow-md: 0 12px 40px rgba(9, 9, 11, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.05);
    --toast-bg: #09090b;
    --toast-text: #ffffff;
    --dropzone-pulse: rgba(0, 0, 0, 0.05);
}

/* Global Resets & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Typography Custom Classes */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--text-primary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

/* Custom Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Standard Premium Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.3s ease, border-bottom 0.3s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
    animation: rotateBox 6s infinite linear;
}

@keyframes rotateBox {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

/* Pill Toggle Switch (Premium Slider Style) */
.theme-toggle-pill {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 99px;
    padding: 3px;
    cursor: pointer;
    user-select: none;
    transition: border-color 0.3s ease;
    width: 156px; /* Symmetrical fixed width */
}

.theme-toggle-pill:hover {
    border-color: var(--border-hover);
}

.theme-slider {
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 3px;
    width: 75px; /* Symmetrical active element */
    border-radius: 99px;
    background: var(--accent-color);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

.theme-option {
    position: relative;
    z-index: 2;
    font-size: 0.8rem;
    font-weight: 600;
    width: 75px; /* Symmetrical size */
    text-align: center;
    padding: 0.4rem 0;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

/* Active states */
:root[data-theme="dark"] .theme-slider {
    transform: translateX(0);
}
:root[data-theme="dark"] .theme-option[data-theme="dark"] {
    color: var(--bg-primary);
}

:root[data-theme="light"] .theme-slider {
    transform: translateX(75px);
}
:root[data-theme="light"] .theme-option[data-theme="light"] {
    color: var(--bg-primary);
}

/* Mobile Menu Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 110;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 9px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* SCREEN 1: HERO & WORKSPACE MAIN STYLING */
.section-hero {
    min-height: 100vh;
    padding: 5.5rem 2rem 4.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-header {
    text-align: center;
    margin-bottom: 2rem;
    max-width: 800px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 99px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.25rem;
    letter-spacing: -0.04em;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.step-badge {
    font-weight: 700;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.arrow-separator {
    color: var(--text-muted);
    font-weight: 400;
    margin: 0 0.3rem;
}

/* Workspace Grid (2 Columns Dashboard) */
.workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    width: 100%;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.workspace-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.workspace-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.card-step {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--accent-color);
    color: var(--bg-primary);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 600;
}

/* Upload Drop Zone */
.drop-zone {
    flex: 1;
    min-height: 230px;
    border: 2px dashed var(--border-color);
    border-radius: 14px;
    background: var(--bg-primary);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

.drop-zone:hover {
    border-color: var(--border-hover);
}

.drop-zone.dragover {
    border-color: var(--accent-color);
    background-color: var(--accent-bg-glow);
    animation: pulseDropzone 1.5s infinite alternate ease-in-out;
}

@keyframes pulseDropzone {
    0% { transform: scale(0.99); box-shadow: 0 0 0 0 var(--dropzone-pulse); }
    100% { transform: scale(1.005); box-shadow: 0 0 20px 4px var(--dropzone-pulse); }
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 5;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.drop-icon {
    color: var(--text-muted);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease;
}

.drop-zone:hover .drop-icon {
    transform: translateY(-4px) scale(1.05);
    color: var(--text-primary);
}

.drop-primary-text {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.drop-secondary-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Premium Buttons styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.8rem 1.6rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid transparent;
}

.btn-browse {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border-radius: 8px;
    margin-top: 0.5rem;
    pointer-events: auto;
}

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

.workspace-action-container {
    margin-top: 1.5rem;
    width: 100%;
}

.btn-recognize {
    width: 100%;
    background: var(--accent-color);
    color: var(--bg-primary);
    border: 1px solid var(--accent-color);
    padding: 1.1rem;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-recognize:hover:not(.disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.15);
}

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

.btn-step-label {
    opacity: 0.8;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    margin-right: 0.25rem;
}

/* Disabled button state */
.btn.disabled,
.btn:disabled {
    background: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
    opacity: 0.6;
}

/* Image Preview Styles */
.image-preview-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

.image-preview-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.btn-clear-image {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    z-index: 15;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-clear-image:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

/* OCR Processing Progress Overlay */
.processing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    background: rgba(0, 0, 0, 0.85);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    backdrop-filter: blur(4px);
}

/* Spinner Styles */
.spinner-container {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.modern-spinner {
    width: 100%;
    height: 100%;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.55, 0.055, 0.675, 0.19) infinite;
}

.loading-percentage {
    position: absolute;
    font-size: 0.95rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.processing-status {
    font-size: 0.9rem;
    color: #a3a3a3;
    font-weight: 500;
    text-align: center;
    max-width: 240px;
    line-height: 1.4;
}

/* Right Panel: Output Workspace */
.result-zone {
    flex: 1;
    min-height: 230px;
    position: relative;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.3s ease;
}

.result-zone:focus-within {
    border-color: var(--border-hover);
}

.result-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    pointer-events: none;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.placeholder-icon {
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    opacity: 0.6;
}

.result-placeholder p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.placeholder-desc {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
    max-width: 240px;
    font-weight: 400 !important;
}

.result-textarea {
    width: 100%;
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    padding: 1.5rem 1.5rem 3.5rem 1.5rem;
    font-family: inherit;
    z-index: 1;
    transition: opacity 0.3s ease;
}

.result-textarea[readonly] {
    cursor: default;
}

/* Character Meta indicator */
.result-meta {
    position: absolute;
    bottom: 1rem;
    right: 1.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    display: flex;
    gap: 1rem;
    pointer-events: none;
    z-index: 3;
    background: var(--bg-primary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* Action Area steps copy & download */
.result-actions {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    width: 100%;
}

.btn-copy {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 1.1rem;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    font-weight: 700;
    text-transform: uppercase;
}

.btn-copy:hover:not(.disabled) {
    border-color: var(--accent-color);
    background: var(--accent-bg-glow);
    transform: translateY(-1px);
}

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

.export-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.2rem;
}

.export-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.export-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-export {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-export:hover:not(.disabled) {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: var(--bg-primary);
}

/* Scroll down visual cue */
.scroll-down-container {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0;
    animation: fadeIn 1.2s ease-out 0.6s forwards;
}

.scroll-down-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.scroll-arrow {
    animation: bounce 2s infinite ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-6px); }
    60% { transform: translateY(-3px); }
}

/* SCREEN 2: TARIFFS SECTION */
.section-tariffs,
.section-faq,
.section-products-feedback {
    padding: 6.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    background-color: var(--bg-primary);
    transition: background-color 0.5s ease;
}

.section-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-pretitle {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.8rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Pricing Grid/Card */
.pricing-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.pricing-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    max-width: 420px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
    transform: rotate(30deg);
}

.pricing-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--accent-color);
    color: var(--bg-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.3rem 0.8rem;
    border-radius: 99px;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-tier-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 1rem;
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-right: 0.2rem;
}

.pricing-price .amount {
    font-size: 3.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.pricing-price .period {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
    font-weight: 500;
}

.pricing-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.pricing-divider {
    height: 1px;
    background: var(--border-color);
    margin: 2rem 0;
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.feature-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-color);
    color: var(--bg-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    flex-shrink: 0;
}

.feature-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.pricing-footer {
    width: 100%;
}

.btn-primary {
    width: 100%;
    background: var(--accent-color);
    color: var(--bg-primary);
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

/* SCREEN 3: FAQ SECTION ACCORDION */
.faq-accordion-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-question-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    text-align: left;
    color: var(--text-primary);
    transition: background-color 0.2s ease;
}

.faq-question {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.4;
    padding-right: 1.5rem;
}

.faq-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s, border-color 0.3s, color 0.3s;
    flex-shrink: 0;
}

.faq-question-btn:hover .faq-toggle-icon {
    border-color: var(--accent-color);
    color: var(--text-primary);
    background: var(--accent-bg-glow);
}

.faq-answer-wrapper {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-content {
    padding: 0 2rem 1.75rem 2rem;
    font-size: 0.925rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.faq-answer-content p {
    margin-bottom: 0.5rem;
}

.faq-answer-content strong {
    color: var(--text-primary);
}

/* Expanded state styles */
.faq-item.expanded {
    border-color: var(--border-hover);
}

.faq-item.expanded .faq-toggle-icon {
    transform: rotate(180deg);
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

/* SCREEN 4: OTHER PRODUCTS & FEEDBACK */
.products-grid-container {
    margin-bottom: 5.5rem;
}

.text-center {
    text-align: center;
    margin-bottom: 3rem;
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.product-card:hover::after {
    opacity: 1;
}

.product-icon {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    line-height: 1;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 1.5rem;
    flex: 1;
}

.product-link-text {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: transform 0.2s ease;
}

.product-card:hover .product-link-text {
    transform: translateX(4px);
}

/* Feedback/Contact area */
.feedback-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 4rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.feedback-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.feedback-icon {
    font-size: 2.2rem;
    margin-bottom: 1.25rem;
    display: inline-block;
}

.feedback-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feedback-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto 2rem auto;
}

.feedback-email-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.6rem 0.6rem 0.6rem 1.5rem;
    border-radius: 99px;
    transition: border-color 0.3s ease;
}

.feedback-card:hover .feedback-email-container {
    border-color: var(--border-hover);
}

.feedback-email {
    font-size: 1.05rem;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

.feedback-email:hover {
    text-decoration: underline;
}

.btn-copy-email {
    background: var(--accent-color);
    color: var(--bg-primary);
    border: none;
    outline: none;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.6rem 1.2rem;
    border-radius: 99px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-copy-email:hover {
    transform: scale(1.03);
}

.btn-copy-email:active {
    transform: scale(1);
}

/* Footer Section */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    transition: background-color 0.5s ease;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-left .logo {
    margin-bottom: 0.2rem;
}

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

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-link-item {
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

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

/* Float Alert Toast Styling */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translate(-50%, 100px);
    background: var(--toast-bg);
    color: var(--toast-text);
    padding: 0.8rem 1.8rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    z-index: 500;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast.show {
    transform: translate(-50%, 0);
    opacity: 1;
}

/* Modals System styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    padding: 1.5rem;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    max-width: 500px;
    width: 100%;
    padding: 2.2rem;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-md);
}

.modal-overlay.open .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: color 0.2s, transform 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.modal-body {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.modal-body p {
    margin-bottom: 1rem;
}

.modal-body ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-left: 0.5rem;
}

.modal-body li {
    position: relative;
    padding-left: 1.25rem;
}

.modal-body li::before {
    content: "▢";
    position: absolute;
    left: 0;
    top: 1px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.modal-link {
    color: var(--text-primary);
    text-decoration: underline;
    font-weight: 600;
}

/* ==========================================================================
   RESPONSIVE DESIGN / ADAPTIVE GRID
   ========================================================================== */

@media (max-width: 1024px) {
    .header-container {
        padding: 1.2rem 1.5rem;
    }
    
    .nav-menu {
        gap: 1.5rem;
    }
    
    .section-hero {
        padding-top: 6.5rem;
    }
}

@media (max-width: 768px) {
    /* Mobile header menu toggling */
    .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        width: 100%;
        height: 0;
        opacity: 0;
        pointer-events: none;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: 1.8rem;
        padding-top: 2rem;
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 95;
    }
    
    .nav-menu.open {
        height: 240px;
        opacity: 1;
        pointer-events: auto;
        box-shadow: var(--shadow-sm);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-actions {
        gap: 0.75rem;
    }

    /* Stack grid elements vertically */
    .workspace-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .drop-zone {
        min-height: 220px;
    }
    
    .result-zone {
        min-height: 220px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feedback-card {
        padding: 2rem;
    }
    
    .feedback-email-container {
        border-radius: 16px;
        width: 100%;
        padding: 1rem;
        gap: 1rem;
    }
    
    .btn-copy-email {
        width: 100%;
        border-radius: 8px;
    }
    
    .section-tariffs,
    .section-faq,
    .section-products-feedback {
        padding: 4.5rem 1.5rem;
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .theme-option {
        display: none; /* Simplify theme switcher on tiny mobile screens */
    }
    .theme-toggle-pill {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        justify-content: center;
        padding: 0;
    }
    .theme-slider {
        display: none;
    }
    
    /* Toggle theme by tap logic on mobile icon replacement instead of sliding text */
    :root[data-theme="dark"] #theme-toggle::after {
        content: "🌙";
        font-size: 0.95rem;
    }
    :root[data-theme="light"] #theme-toggle::after {
        content: "☀️";
        font-size: 0.95rem;
    }
    
    .hero-subtitle {
        font-size: 0.85rem;
    }
    
    .logo-text {
        font-size: 1.15rem;
    }
    
    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Document Preview Styling */
.document-preview-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 2rem;
    width: 100%;
    height: 100%;
}

.doc-icon-graphic {
    font-size: 3.5rem;
    line-height: 1;
    color: var(--text-primary);
    animation: pulseDocument 2s infinite ease-in-out;
}

@keyframes pulseDocument {
    0%, 100% { transform: scale(1); opacity: 0.85; }
    50% { transform: scale(1.05); opacity: 1; }
}

.doc-badge {
    background: var(--accent-color);
    color: var(--bg-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 800;
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.doc-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    max-width: 80%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

/* ==========================================================================
   LANGUAGE SELECTOR DROPDOWN & TRANSITIONS (B&W PREMIUM GLASS)
   ========================================================================== */
.lang-selector-container {
    position: relative;
    user-select: none;
}

.btn-lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 99px;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    height: 38px;
}

.btn-lang-toggle:hover {
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-lang-toggle .arrow-icon {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--text-secondary);
}

.lang-selector-container.open .btn-lang-toggle .arrow-icon {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 170px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 6px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 120;
    max-height: 250px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-hover) transparent;
}

.lang-dropdown::-webkit-scrollbar {
    width: 4px;
}

.lang-dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.lang-dropdown::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 99px;
}

.lang-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

.lang-selector-container.open .lang-dropdown {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.lang-option-item {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.lang-option-item:hover {
    background: var(--accent-bg-active);
    color: var(--text-primary);
}

.lang-option-item.active {
    background: var(--accent-color);
    color: var(--bg-primary);
    font-weight: 700;
}