/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Fonts */
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --header-height: 80px;
    --container-width: 1200px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadow */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.2);
    
    /* Light Theme (Default fallback, overridden by body classes) */
    --hue: 240;
    --bg-base: hsl(var(--hue), 20%, 98%);
    --bg-surface: hsl(var(--hue), 20%, 100%);
    --bg-alt: hsl(var(--hue), 20%, 95%);
    --bg-alt-dense: hsl(var(--hue), 15%, 92%);
    --text-main: hsl(var(--hue), 25%, 12%);
    --text-muted: hsl(var(--hue), 15%, 45%);
    
    --primary-hue: 245;
    --primary: hsl(var(--primary-hue), 75%, 60%);
    --primary-hover: hsl(var(--primary-hue), 75%, 50%);
    --primary-glow: hsla(var(--primary-hue), 75%, 60%, 0.15);
    
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.04);
    
    --border-color: rgba(0, 0, 0, 0.08);
}

/* Dark Theme Variables */
body.dark-theme {
    --bg-base: #070913;
    --bg-surface: #0e1225;
    --bg-alt: #11162e;
    --bg-alt-dense: #181f3e;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.25);
    
    --glass-bg: rgba(14, 18, 37, 0.65);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --border-color: rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   RESET & 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-base);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
}

/* ==========================================================================
   UI UTILITIES & COMPONENTS
   ========================================================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.bg-alt {
    background-color: var(--bg-alt);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-lg), var(--primary-glow) 0px 4px 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: 8px;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
    background-color: var(--bg-alt-dense);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
    border-radius: var(--radius-sm);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-delete {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.1);
}

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

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.input-icon {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-wrapper input,
.input-wrapper select {
    padding-left: 44px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .col {
    flex: 1;
}

.form-row .col-2 {
    flex: 2;
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    background: rgba(var(--bg-base), 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-normal);
}

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

/* Logo */
.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    color: var(--primary);
}

.logo-accent {
    opacity: 0.8;
}

.logo-light {
    color: var(--text-main);
    transition: color var(--transition-normal);
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

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

.nav-cta {
    margin-left: 8px;
}

.admin-indicator {
    background-color: var(--primary-glow);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.3);
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary) !important;
}

.logout-btn {
    display: flex;
    padding: 6px;
    border-radius: 50%;
}

.logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444 !important;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-main);
    display: flex;
    padding: 8px;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

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

.theme-toggle-btn .sun-icon {
    display: none;
}

body.dark-theme .theme-toggle-btn .sun-icon {
    display: block;
}

body.dark-theme .theme-toggle-btn .moon-icon {
    display: none;
}

.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger-menu span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger-menu.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 120px;
    position: relative;
    overflow: hidden;
}

/* Glowing Background Spheres */
.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: 1;
    pointer-events: none;
}

.glow-sphere-1 {
    width: 400px;
    height: 400px;
    background-color: var(--primary);
    top: 10%;
    right: 5%;
}

.glow-sphere-2 {
    width: 300px;
    height: 300px;
    background-color: #ec4899;
    bottom: 10%;
    left: 10%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 620px;
}

.hero-badge {
    display: inline-flex;
    padding: 6px 14px;
    background-color: var(--primary-glow);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-main) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Hero Visual panel representation */
.hero-visual {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card {
    width: 100%;
    max-width: 440px;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: rgba(var(--bg-surface), 0.5);
}

.card-header-dots {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.card-header-dots .dot {
    width: 100%;
    max-width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.card-inner-code {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 16px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.code-keyword { color: #f43f5e; }
.code-string { color: #10b981; }
.code-function { color: #3b82f6; }
.code-comment { color: #6b7280; }

.visual-card-back {
    position: absolute;
    bottom: -30px;
    right: 10px;
    padding: 16px;
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    gap: 10px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
}

.stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    background-color: var(--bg-alt-dense);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
}

.stat-badge i {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

/* ==========================================================================
   ABOUT SECTION (ADVANTAGES)
   ========================================================================== */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-tagline {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.about-card {
    padding: 36px;
    height: 100%;
}

.about-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
}

.about-card-icon i {
    width: 24px;
    height: 24px;
}

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

.about-card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    padding: 40px;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.service-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    color: var(--primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.service-icon-wrapper i {
    width: 24px;
    height: 24px;
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 28px;
    flex-grow: 1;
}

.service-details {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.detail-item .label {
    color: var(--text-muted);
}

.detail-item .value {
    font-weight: 700;
}

/* Highlighting specific service card */
.service-card[data-service-id="corporate"] {
    border-color: var(--primary);
    box-shadow: var(--primary-glow) 0 4px 30px;
}

.service-card[data-service-id="corporate"]::after {
    content: 'Популярно';
    position: absolute;
    top: 15px;
    right: -30px;
    background-color: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 32px;
    transform: rotate(45deg);
}

/* ==========================================================================
   PORTFOLIO SECTION
   ========================================================================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 30px;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 10px var(--primary-glow);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.portfolio-card {
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio-img-container {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-alt-dense);
}

.portfolio-fallback-img {
    width: 100%;
    height: 100%;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-fallback-img {
    transform: scale(1.05);
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-img {
    transform: scale(1.05);
}

.portfolio-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: rgba(7, 9, 19, 0.75);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
}

.portfolio-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.portfolio-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.portfolio-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.portfolio-link {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.portfolio-link i {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.portfolio-link:hover i {
    transform: translateX(4px);
}

/* ==========================================================================
   PROCESS / TIMELINE SECTION
   ========================================================================== */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    position: relative;
}

.process-step {
    padding: 30px;
    height: 100%;
    position: relative;
}

.step-num {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.5rem;
    line-height: 1;
    color: var(--primary);
    opacity: 0.4;
    margin-bottom: 16px;
}

.step-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.step-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: stretch;
}

.info-panel-card {
    padding: 40px;
    height: 100%;
}

.info-panel-card h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.info-intro {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item {
    display: flex;
    gap: 16px;
}

.info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: var(--primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.info-icon i {
    width: 20px;
    height: 20px;
}

.info-texts {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-val {
    font-weight: 600;
    font-size: 1.05rem;
    transition: color var(--transition-fast);
}

a.info-val:hover {
    color: var(--primary);
}

.form-panel-card {
    padding: 40px;
}

.demo-warning-banner {
    display: flex;
    gap: 12px;
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: #f59e0b;
    align-items: flex-start;
}

.demo-warning-banner i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.form-status {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: none;
    line-height: 1.4;
}

.form-status.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-status.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    padding: 80px 0 0;
    transition: background-color var(--transition-normal);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 20px 0 24px;
    max-width: 380px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--bg-alt);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.social-link i {
    width: 16px;
    height: 16px;
}

.footer-title {
    font-size: 1.1rem;
    margin-bottom: 24px;
    position: relative;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.footer-contacts li {
    display: flex;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
    align-items: center;
}

.footer-contacts li i {
    width: 16px;
    height: 16px;
    color: var(--primary);
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.admin-login-link a {
    display: flex;
    align-items: center;
    gap: 6px;
}

.admin-login-link a i {
    width: 14px;
    height: 14px;
}

.admin-login-link a:hover {
    color: var(--primary);
}

/* ==========================================================================
   ADMIN LOGIN PAGE
   ========================================================================== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.login-wrapper {
    width: 100%;
    max-width: 440px;
    z-index: 2;
}

.login-card {
    padding: 48px;
    text-align: center;
}

.login-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.login-title {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

.login-form {
    text-align: left;
}

.login-error {
    display: flex;
    gap: 8px;
    align-items: center;
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    text-align: left;
}

.login-error i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.login-back-link {
    margin-top: 28px;
    font-size: 0.9rem;
}

.login-back-link a {
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.login-back-link a:hover {
    color: var(--primary);
}

/* ==========================================================================
   ADMIN PANEL DASHBOARD
   ========================================================================== */
.admin-section {
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 80px;
}

.admin-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 36px;
    align-items: start;
}

.admin-sidebar {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    position: sticky;
    top: calc(var(--header-height) + 24px);
    box-shadow: var(--glass-shadow);
}

.admin-profile {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.admin-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
}

.admin-user-info {
    display: flex;
    flex-direction: column;
}

.admin-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.admin-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.admin-tabs {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-tab-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.admin-tab-btn:hover {
    background-color: var(--bg-alt);
    color: var(--text-main);
}

.admin-tab-btn.active {
    background-color: var(--primary);
    color: #ffffff;
}

.sidebar-footer {
    margin-top: 32px;
}

.admin-main {
    min-width: 0; /* Prevents overflow in flex/grid */
}

.admin-header-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    gap: 16px;
    flex-wrap: wrap;
}

.admin-status-message {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: none;
    font-size: 0.95rem;
    font-weight: 500;
}

.admin-status-message.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.admin-status-message.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.admin-tab-content {
    display: none;
}

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

.admin-card {
    padding: 40px;
}

.admin-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.admin-card h4 {
    font-size: 1.15rem;
    margin-top: 32px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

.about-features-edit-grid, .steps-edit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-edit-box, .step-edit-box {
    padding: 24px;
}

.feature-edit-box h5, .step-edit-box h5 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.bg-alt-dense {
    background-color: var(--bg-alt-dense);
}

/* Lists managers (services/portfolio) */
.card-header-with-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.card-header-with-action h3 {
    margin-bottom: 0;
}

.items-edit-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.item-edit-row {
    padding: 24px;
}

.item-edit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.item-edit-header h4 {
    margin-top: 0;
    margin-bottom: 0;
    border: none;
    padding-bottom: 0;
    color: var(--primary);
}

/* Integrations styling */
.integration-section {
    padding: 30px;
    margin-bottom: 30px;
}

.integration-section:last-child {
    margin-bottom: 0;
}

.integration-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 0 !important;
    border: none !important;
    padding-bottom: 0 !important;
}

.tg-color { color: #38bdf8; }
.email-color { color: var(--primary); }

.test-status-msg {
    margin-top: 12px;
    font-size: 0.9rem;
    display: none;
    font-weight: 500;
}

.test-status-msg.success {
    display: block;
    color: #10b981;
}

.test-status-msg.error {
    display: block;
    color: #ef4444;
}

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

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.animate-fade-in { animation: fadeIn 0.8s ease forwards; }
.animate-slide-up { animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-slide-up-delayed { 
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards; 
}
.animate-fade-in-delayed {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.4s forwards;
}
.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .visual-card-back {
        right: -10px;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .admin-container {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        position: static;
    }
    
    .admin-tabs {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .admin-tab-btn {
        white-space: nowrap;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-surface);
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        transition: left var(--transition-normal);
        border-top: 1px solid var(--border-color);
        overflow-y: auto;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-cta {
        margin-left: 0;
        width: 100%;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* Consent Checkbox & Details block */
.consent-wrapper {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.consent-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.consent-checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.consent-text {
    line-height: 1.4;
}

.consent-link {
    color: var(--primary);
    text-decoration: underline;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.consent-details-block {
    margin-top: 12px;
    padding: 14px 18px;
    background-color: var(--bg-alt-dense);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    max-height: 220px;
    overflow-y: auto;
    font-size: 0.8rem;
    line-height: 1.6;
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--text-muted);
}

.consent-details-block p {
    margin-bottom: 10px;
}

.consent-details-block ul {
    margin-bottom: 10px;
    padding-left: 20px;
}

.consent-details-block li {
    margin-bottom: 5px;
    list-style-type: disc;
}

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