/* Dacan Presentation Website Stylesheet */

/* --- 1. Variables & Global Reset --- */
:root {
    --bg-color: #080710;
    --bg-card: rgba(22, 21, 41, 0.7);
    --bg-card-hover: rgba(32, 30, 59, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-focus: rgba(99, 102, 241, 0.5);
    
    --primary: #6366f1; /* Indigo */
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --accent-gradient: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
    
    --text-white: #ffffff;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    
    --teal: #10b981;
    --violet: #a855f7;
    --orange: #f59e0b;
    --red: #ef4444;
    --green: #10b981;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-light);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Gradients */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    width: 80%;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: absolute;
    top: 1500px;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -2;
    pointer-events: none;
}

/* --- 2. Typography & Core Elements --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-white);
    font-weight: 700;
}

p {
    font-weight: 400;
    color: var(--text-muted);
}

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

.text-teal { color: var(--teal) !important; }
.text-violet { color: var(--violet) !important; }
.text-orange { color: var(--orange) !important; }
.text-red { color: var(--red) !important; }
.text-green { color: var(--green) !important; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.text-center { text-align: center; }

/* --- 3. Grid & Layout System --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 6rem 0;
}

.section-header {
    max-width: 650px;
    margin: 0 auto 4rem auto;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* --- 4. Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-white);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    border-radius: var(--border-radius-sm);
}

/* --- 5. Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(8, 7, 16, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    height: 76px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 0.05em;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-white);
    cursor: pointer;
    font-size: 1.5rem;
}

/* --- 6. Hero Section --- */
.hero {
    position: relative;
    padding-top: 10rem;
    padding-bottom: 6rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -20%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.badge-new {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--teal);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--teal);
    animation: pulse 2s infinite;
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-trust {
    display: flex;
    gap: 2rem;
}

.trust-icons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-glow {
    position: absolute;
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, rgba(0, 0, 0, 0) 65%);
    z-index: -1;
    pointer-events: none;
}

.hero-image-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
    max-width: 400px;
    width: 100%;
}

.hero-img {
    width: 100%;
    border-radius: 16px;
    display: block;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

/* --- 7. Metrics Section --- */
.metrics {
    background: rgba(255, 255, 255, 0.01);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 3rem 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.metric-number {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-label {
    font-size: 0.95rem;
    font-weight: 500;
}

/* --- 8. Features Section --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, rgba(0, 0, 0, 0) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: rgba(99, 102, 241, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.feature-icon {
    width: 28px;
    height: 28px;
}

.feature-card-title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

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

/* --- 9. Simulator Section --- */
.simulator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.badge-sim {
    display: inline-block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--teal);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.simulator-benefit-list {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    font-size: 1rem;
}

.simulator-card {
    background: rgba(18, 17, 34, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

.simulator-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.simulator-header h3 {
    font-size: 1.5rem;
}

.sim-control-group {
    margin-bottom: 1.75rem;
}

.sim-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.sim-label-row label {
    font-weight: 500;
    color: var(--text-light);
}

.sim-value-highlight {
    font-weight: 700;
    color: var(--teal);
    font-size: 1.15rem;
}

.sim-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.sim-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--teal);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
    transition: transform 0.1s;
}

.sim-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.sim-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.frequency-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.freq-option {
    position: relative;
    cursor: pointer;
}

.freq-option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.freq-option span {
    display: block;
    text-align: center;
    padding: 0.6rem 0;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.freq-option input:checked + span {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--teal);
    color: var(--text-white);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.2);
}

.sim-results {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    margin-top: 2rem;
}

.sim-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

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

.sim-result-value {
    font-weight: 600;
    color: var(--text-white);
}

.total-highlight {
    margin-bottom: 0;
}

.total-highlight span:first-child {
    font-weight: 600;
    color: var(--primary-light);
}

.sim-result-value-big {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--teal);
}

/* --- 10. Showcase Section & Phone Mockups --- */
.showcase-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
    margin-top: 2rem;
}

.showcase-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 3.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.showcase-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border-bottom: 2px solid transparent;
}

.showcase-tab i {
    width: 20px;
    height: 20px;
}

.showcase-tab:hover {
    color: var(--text-white);
}

.showcase-tab.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
}

.showcase-panel {
    display: none;
    animation: fadeIn 0.5s ease;
}

.showcase-panel.active {
    display: block;
}

.panel-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.panel-title {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.panel-desc {
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.panel-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.panel-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--text-light);
}

.panel-list li i {
    flex-shrink: 0;
    margin-top: 2px;
}

.panel-interactive {
    display: flex;
    justify-content: center;
}

/* Phone UI Mockup styling */
.mock-phone {
    width: 320px;
    height: 520px;
    background: #0d0c18;
    border: 8px solid #232238;
    border-radius: 40px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(99, 102, 241, 0.15);
    display: flex;
    flex-direction: column;
}

.mock-header {
    height: 30px;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0d0c18;
    font-size: 0.75rem;
    color: var(--text-white);
    font-weight: 600;
}

.mock-icons {
    display: flex;
    gap: 0.4rem;
}

.mock-icons i {
    width: 12px;
    height: 12px;
}

.mock-app-bar {
    height: 50px;
    background: #141226;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.25rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-white);
}

.mock-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 800;
}

.badge-green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--teal);
}

.badge-orange {
    background: rgba(245, 158, 11, 0.15);
    color: var(--orange);
}

.mock-body {
    flex: 1;
    padding: 1.25rem;
    overflow-y: auto;
    background: #0d0c18;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.mock-body.compact {
    padding: 0.85rem 1.25rem;
    gap: 0.6rem;
}

.mock-card {
    border-radius: 14px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
}

.card-primary {
    background: linear-gradient(135deg, rgba(99,102,241,0.2) 0%, rgba(168,85,247,0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.card-mini-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--primary-light);
    margin-bottom: 0.25rem;
}

.card-large-val {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-white);
}

.mock-list-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    margin-top: 0.5rem;
}

.mock-list-item {
    background: #141226;
    border-left: 3px solid #332d59;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mock-list-item.status-green { border-left-color: var(--green); }
.mock-list-item.status-orange { border-left-color: var(--orange); }
.mock-list-item.status-red { border-left-color: var(--red); }

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

.item-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-white);
}

.item-subtitle {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.item-time {
    font-size: 0.65rem;
    color: var(--text-muted);
}

.item-val {
    font-size: 0.85rem;
    font-weight: 700;
}

.mock-actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: auto;
}

.mock-center-btn {
    display: flex;
    justify-content: center;
    margin-top: auto;
}

.mock-badge-status {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 600;
}

.form-group-mock {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group-mock label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
}

.mock-input {
    background: #141226;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.45rem;
    color: var(--text-light);
    font-size: 0.75rem;
}

/* Sync animations mock */
.sync-graphic {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.sync-icon-container {
    width: 80px;
    height: 80px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sync-icon-container.pulsing {
    animation: glow-pulse-orange 2s infinite;
}

.sync-icon-container.online-mode {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    animation: glow-pulse-green 2s infinite;
}

.sync-icon-container i {
    width: 36px;
    height: 36px;
}

.sync-desc {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.25rem;
}

.sync-desc span:first-child {
    font-size: 0.9rem;
    color: var(--text-white);
}

.sync-desc span:last-child {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- 11. Benefits Section --- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: rgba(168, 85, 247, 0.3);
    background: var(--bg-card-hover);
}

.benefit-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1.5rem auto;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- 12. Contact Section --- */
.contact-section {
    position: relative;
    overflow: hidden;
}

.contact-bg-glow {
    position: absolute;
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    z-index: -1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.contact-details-list {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.contact-detail-item i {
    width: 24px;
    height: 24px;
    color: var(--primary-light);
    margin-top: 4px;
}

.contact-detail-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-detail-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.contact-card {
    background: rgba(18, 17, 34, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    position: relative;
}

.contact-card-title {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: opacity 0.3s ease;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.8rem 1rem;
    color: var(--text-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.form-group select option {
    background-color: var(--bg-color);
    color: var(--text-white);
}

.success-message {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    width: 72px;
    height: 72px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal);
    margin-bottom: 1.5rem;
}

.success-icon i {
    width: 36px;
    height: 36px;
}

.success-message h4 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--teal);
}

.success-message p {
    font-size: 1rem;
    line-height: 1.6;
}

/* --- 13. Footer --- */
.footer {
    background: #05040a;
    border-top: 1px solid var(--border-color);
    padding-top: 5rem;
    padding-bottom: 2.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-tagline {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 350px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

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

.footer-links a:hover {
    color: var(--text-white);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.85rem;
}

.footer-socials {
    display: flex;
    gap: 1.25rem;
}

.footer-socials a {
    color: var(--text-muted);
}

.footer-socials a:hover {
    color: var(--text-white);
}

/* --- 14. Keyframe Animations --- */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

@keyframes glow-pulse-orange {
    0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(245, 158, 11, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

@keyframes glow-pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- 15. Responsive Breakpoints --- */
@media (max-width: 1024px) {
    .hero-grid,
    .simulator-grid,
    .panel-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero {
        padding-top: 8rem;
    }
    
    .hero-content {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: rgba(8, 7, 16, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 2rem 0;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .showcase-tabs {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom-flex {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .simulator-card,
    .contact-card,
    .showcase-container {
        padding: 1.75rem;
    }
}

@media (max-width: 480px) {
    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .showcase-tabs {
        grid-template-columns: 1fr;
    }
    
    .frequency-options {
        grid-template-columns: repeat(2, 1fr);
    }
}