/* ===================================
   PORTMONDO - Neo Display Dark Theme
   =================================== */

/* CSS Variables */
:root {
    --bg-primary: #050508;
    --bg-secondary: #0a0a0f;
    --bg-tertiary: #12121a;
    --bg-card: #0d0d14;

    --accent: #00d4aa;
    --accent-dim: #00a88a;
    --accent-glow: rgba(0, 212, 170, 0.4);
    --accent-soft: rgba(0, 212, 170, 0.1);

    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;

    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    --font-display: 'Outfit', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Noise Overlay */
.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Selection */
::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

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

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 3rem;
    background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    position: relative;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 5px;
    right: 5px;
    height: 14px;
    background: var(--bg-primary);
    border-radius: 2px;
}

.logo-icon::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 50%;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--accent);
    color: var(--bg-primary) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-smooth);
}

.nav-cta:hover {
    background: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.nav-cta svg {
    transition: transform var(--transition-smooth);
}

.nav-cta:hover svg {
    transform: translate(2px, -2px);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 8rem 6rem 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: radial-gradient(ellipse 80% 50% at 50% 0%, var(--accent-soft) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeSlideUp 0.6s ease backwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    animation: fadeSlideUp 0.6s ease 0.1s backwards;
}

.title-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #00ffcc 50%, var(--accent) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    animation: fadeSlideUp 0.6s ease 0.2s backwards;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    animation: fadeSlideUp 0.6s ease 0.3s backwards;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.8s ease 0.4s backwards;
}

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

.display-frame {
    position: relative;
    z-index: 2;
}

.display-bezel {
    background: linear-gradient(145deg, #1a1a24, #0d0d14);
    padding: 12px;
    border-radius: var(--radius-lg);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 25px 60px -15px rgba(0, 0, 0, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.display-screen {
    width: 380px;
    height: 280px;
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.screen-content {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a1520 0%, #051015 100%);
}

.screen-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    from { background-position: 0 0; }
    to { background-position: 20px 20px; }
}

.signal-indicator {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
}

.signal-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 1s ease infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.screen-demo {
    position: absolute;
    inset: 40px 20px 20px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.demo-gradient {
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        #ff006e 0%,
        #8338ec 25%,
        #3a86ff 50%,
        #00d4aa 75%,
        #ff006e 100%
    );
    background-size: 400% 400%;
    animation: gradientFlow 8s ease infinite;
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.screen-scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
}

.screen-reflection {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 30%,
        transparent 70%,
        rgba(255, 255, 255, 0.02) 100%
    );
    pointer-events: none;
}

.display-stand {
    width: 80px;
    height: 20px;
    background: linear-gradient(to bottom, #1a1a24, #0d0d14);
    margin: 0 auto;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.cable-container {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 80px;
}

.cable {
    width: 100%;
    height: 100%;
}

.usbc-connector {
    position: absolute;
    bottom: 10px;
    left: 0;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

.glow-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-glow);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.4;
    animation: glowPulse 4s ease-in-out infinite;
}

.glow-2 {
    width: 300px;
    height: 300px;
    background: rgba(138, 43, 226, 0.3);
    top: 30%;
    right: 10%;
    animation: glowPulse 4s ease-in-out infinite 1s;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); }
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
}

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

.btn-primary:hover {
    background: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--accent-glow);
}

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

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

.btn-large {
    padding: 1.1rem 2.25rem;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

.apple-icon {
    width: 20px;
    height: 20px;
}

/* ===================================
   Features Section
   =================================== */

.features {
    padding: 8rem 6rem;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--accent-soft);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1.5rem auto 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-smooth);
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-large {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-large h3 {
    font-size: 1.5rem;
}

.feature-large p {
    font-size: 1.1rem;
    max-width: 400px;
}

.feature-stat {
    margin-top: auto;
    padding-top: 2rem;
}

.stat-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ===================================
   Use Cases Section
   =================================== */

.use-cases {
    padding: 4rem 6rem 8rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.use-case-card {
    padding: 2.5rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.use-case-number {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.use-case-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Compatibility Section
   =================================== */

.compatibility {
    padding: 8rem 6rem;
    background: var(--bg-secondary);
    position: relative;
}

.compatibility::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.compat-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 4rem 0;
    position: relative;
}

.compat-ring {
    width: 280px;
    height: 280px;
    border: 2px dashed var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: rotate 30s linear infinite;
}

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

.compat-center {
    width: 160px;
    height: 160px;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    animation: rotate 30s linear infinite reverse;
    box-shadow: 0 0 40px var(--accent-glow);
}

.compat-icon {
    font-size: 2rem;
    color: var(--accent);
}

.compat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.compat-items {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.compat-item {
    position: absolute;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    animation: float 6s ease-in-out infinite;
    animation-delay: calc(var(--delay) * -1s);
}

.compat-item:nth-child(1) { transform: translate(-220px, -80px); }
.compat-item:nth-child(2) { transform: translate(220px, -60px); }
.compat-item:nth-child(3) { transform: translate(-200px, 80px); }
.compat-item:nth-child(4) { transform: translate(200px, 100px); }
.compat-item:nth-child(5) { transform: translate(-100px, -140px); }
.compat-item:nth-child(6) { transform: translate(120px, 140px); }

@keyframes float {
    0%, 100% { transform: translate(var(--x, 0), var(--y, 0)) translateY(0); }
    50% { transform: translate(var(--x, 0), var(--y, 0)) translateY(-10px); }
}

.requirements {
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.requirements h4 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.requirements ul {
    list-style: none;
}

.requirements li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.requirements li:last-child {
    border-bottom: none;
}

/* ===================================
   CTA Section
   =================================== */

.cta {
    padding: 10rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
    pointer-events: none;
}

/* ===================================
   Footer
   =================================== */

.footer {
    padding: 3rem 6rem;
    border-top: 1px solid var(--border);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.support-trigger {
    cursor: pointer;
}

.footer-legal p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===================================
   Modal
   =================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-smooth);
}

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

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Form Styles
   =================================== */

.support-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.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: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.9rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23606070' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Form Success State */
.form-success {
    display: none;
    text-align: center;
    padding: 2rem 0;
}

.form-success.show {
    display: block;
}

.support-form.hide {
    display: none;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.success-icon svg {
    color: var(--accent);
}

.form-success h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.form-success p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ===================================
   Responsive Styles
   =================================== */

@media (max-width: 1200px) {
    .hero {
        padding: 8rem 4rem 6rem;
        gap: 3rem;
    }

    .features,
    .use-cases,
    .compatibility,
    .cta {
        padding-left: 4rem;
        padding-right: 4rem;
    }
}

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 10rem 3rem 4rem;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
        margin-bottom: 2rem;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .feature-large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .use-cases {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem 1.5rem;
    }

    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .hero {
        padding: 8rem 1.5rem 3rem;
    }

    .display-screen {
        width: 280px;
        height: 200px;
    }

    .features,
    .use-cases,
    .compatibility,
    .cta {
        padding: 5rem 1.5rem;
    }

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

    .feature-large {
        grid-column: span 1;
    }

    .compat-visual {
        transform: scale(0.8);
    }

    .footer {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .modal {
        padding: 1.5rem;
        border-radius: var(--radius-lg);
    }

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

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}