/* ============================================================
   etcaller Design System
   Palette: Ink-Navy als Basis, Aktions-Blau für CTAs und ein
   "Anruf-Grün" (Farbe der Abheben-Taste) als einziger Akzent.
   Typo: Bricolage Grotesque (Display) + System-Stack (Body).
   ============================================================ */

@font-face {
    font-family: 'Bricolage Grotesque';
    src: url('../fonts/bricolage-grotesque-var.woff2') format('woff2-variations');
    font-weight: 300 800;
    font-display: swap;
}

:root {
    /* Farben */
    --ink: #101A3C;
    --ink-2: #1B2A5E;
    --text: #2A3352;
    --muted: #5D6786;
    --blue: #2447C9;
    --blue-deep: #182F86;
    --green: #15803D;
    --green-bg: #E8F6EE;
    --paper: #F5F7FD;
    --white: #ffffff;
    --line: #E3E8F5;

    /* Legacy-Aliase (werden von animation.css & Co. mitgenutzt) */
    --primary-color: var(--blue);
    --primary-dark: var(--ink);
    --primary-light: #4D6BE0;
    --text-dark: var(--text);
    --text-light: var(--muted);
    --bg-light: var(--paper);
    --bg-white: var(--white);
    --border-color: var(--line);
    --success-color: var(--green);

    /* Typo */
    --font-display: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

    /* Sonstiges */
    --radius: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 1px 2px 0 rgba(16, 26, 60, 0.06);
    --shadow-md: 0 6px 16px -4px rgba(16, 26, 60, 0.10);
    --shadow-lg: 0 16px 40px -12px rgba(16, 26, 60, 0.18);
    --transition: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text);
    line-height: 1.65;
    background: var(--white);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.015em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Accessible skip link - only visible on keyboard focus */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 2000;
    background: var(--ink);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* Visible focus indicator for keyboard users */
:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 2px;
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================
   Eyebrow ("Anruf-Chip")
   Kleines Statuslabel im Stil einer Anruf-Anzeige - das
   wiederkehrende Erkennungselement der Seite.
   ======================== */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--ink);
    margin-bottom: 1.25rem;
}

.eyebrow-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22C55E;
    animation: eyebrowPulse 2s ease-in-out infinite;
}

@keyframes eyebrowPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45); }
    50% { box-shadow: 0 0 0 5px rgba(34, 197, 94, 0); }
}

.eyebrow-invert {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.9);
}

/* ========================
   Navigation
   ======================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
}

.logo a {
    display: inline-flex;
    align-items: center;
}

.logo-image {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--blue);
}

.language-switch {
    display: flex;
    gap: 0.4rem;
}

.lang-btn {
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--line);
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--muted);
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--paper);
}

.lang-btn.active {
    background: var(--ink);
    color: white;
    border-color: var(--ink);
}

.nav-cta {
    margin-left: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--ink);
    transition: var(--transition);
}

/* ========================
   Buttons
   ======================== */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 1.5px solid transparent;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: var(--blue);
    color: white;
    box-shadow: 0 1px 0 rgba(16, 26, 60, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
    background: var(--blue-deep);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--ink);
    border-color: var(--ink);
}

.btn-secondary:hover {
    background: var(--ink);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--ink);
    border-color: var(--line);
}

.btn-outline:hover {
    border-color: var(--blue);
    color: var(--blue);
    background: var(--paper);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

/* ========================
   Hero Section
   ======================== */
.hero {
    margin-top: 73px;
    padding: 5rem 0 4rem;
    background:
        radial-gradient(700px 480px at 82% 30%, rgba(36, 71, 201, 0.10), transparent 65%),
        radial-gradient(500px 400px at 70% 75%, rgba(34, 197, 94, 0.07), transparent 60%),
        var(--paper);
    min-height: 88vh;
    display: flex;
    align-items: center;
}

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

.hero-text h1 {
    font-size: clamp(2.3rem, 4.6vw, 3.4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--muted);
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 34em;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-chips {
    display: flex;
    gap: 0.6rem;
    list-style: none;
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
}

.chip::before {
    content: '✓';
    color: var(--green);
    font-weight: 700;
}

/* ========================
   Sections (Grundrhythmus)
   ======================== */
section {
    padding: 5.5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 44em;
    margin: 0 auto;
}

/* ========================
   Pain Section
   ======================== */
.pain {
    background: var(--white);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.pain-card {
    padding: 1.75rem 1.75rem 1.5rem;
    background: var(--paper);
    border-radius: var(--radius);
    border-left: 3px solid #DC5B5B;
}

.pain-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.pain-card p {
    color: var(--muted);
    font-size: 0.98rem;
}

/* ========================
   Demo / How it works
   ======================== */
.demo-section {
    background: var(--paper);
}

.platform-switcher {
    display: inline-flex;
    padding: 4px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 999px;
    margin-bottom: 2rem;
}

.platform-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--muted);
    transition: var(--transition);
}

.platform-btn.active {
    background: var(--ink);
    color: white;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.screen-device {
    position: relative;
    width: 100%;
    max-width: 340px;
    aspect-ratio: 9/19.5;
    background: var(--white);
    border-radius: 34px;
    box-shadow: var(--shadow-lg);
    padding: 10px;
    border: 8px solid var(--ink);
    overflow: hidden;
}

.platform-screenshot {
    width: calc(100% - 12px);
    height: calc(100% - 12px);
    border-radius: 22px;
    object-fit: cover;
    position: absolute;
    top: 6px;
    left: 6px;
    display: none;
}

.platform-screenshot.active {
    display: block;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.demo-feature {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.demo-feature-number {
    width: 42px;
    height: 42px;
    background: var(--white);
    color: var(--ink);
    border: 1.5px solid var(--ink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    flex-shrink: 0;
}

.demo-feature-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
}

.demo-feature-content p {
    color: var(--muted);
}

/* ========================
   Features Section
   ======================== */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    padding: 1.9rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #C9D4F2;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--paper);
    color: var(--blue);
    margin-bottom: 1.1rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.6rem;
}

.feature-card p {
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.7;
}

/* ========================
   Use Cases
   ======================== */
.usecases {
    background: var(--paper);
}

.uc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.uc-card {
    padding: 1.9rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.uc-card .feature-icon {
    background: var(--green-bg);
    color: var(--green);
}

.uc-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

.uc-card p {
    color: var(--muted);
    font-size: 0.98rem;
}

/* ========================
   Trust / Compliance Band
   ======================== */
.trust {
    background: linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
}

.trust .section-header h2 {
    color: white;
}

.trust .section-header p {
    color: rgba(255, 255, 255, 0.72);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 2rem;
}

.trust-item {
    text-align: center;
    padding: 0 0.5rem;
}

.trust-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #7EE2A8;
    margin-bottom: 1rem;
}

.trust-icon svg {
    width: 26px;
    height: 26px;
}

.trust-item h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.trust-item p {
    color: rgba(255, 255, 255, 0.66);
    font-size: 0.93rem;
}

/* ========================
   Pricing Section
   ======================== */
.pricing {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2.25rem;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--blue);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--blue);
    color: white;
    padding: 0.35rem 1.25rem;
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--line);
    margin-bottom: 1.75rem;
}

.pricing-header h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.3rem;
}

.currency {
    font-size: 1.3rem;
    color: var(--muted);
}

.amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.amount-custom {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--ink);
}

.period {
    color: var(--muted);
    font-size: 0.9rem;
}

.pricing-tagline {
    margin-top: 0.6rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.65rem 0 0.65rem 1.7rem;
    color: var(--text);
    border-bottom: 1px solid var(--line);
    font-size: 0.97rem;
    position: relative;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

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

/* ========================
   FAQ Section
   ======================== */
.faq {
    background: var(--paper);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ink);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--blue);
}

.faq-icon {
    font-size: 1.4rem;
    color: var(--blue);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.4rem;
    color: var(--muted);
    line-height: 1.7;
}

/* ========================
   Booking Section
   ======================== */
.booking {
    background: var(--white);
}

.booking-tabs {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.booking-tab {
    padding: 0.8rem 1.75rem;
    background: transparent;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--muted);
    transition: var(--transition);
}

.booking-tab:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.booking-tab.active {
    background: var(--ink);
    color: white;
    border-color: var(--ink);
}

.booking-form-container {
    max-width: 700px;
    margin: 0 auto;
}

.booking-form {
    background: var(--paper);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--line);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--ink);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    color: var(--text);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(36, 71, 201, 0.12);
}

/* Invalid input state (set by JS validation) */
.form-group input.input-invalid {
    border-color: #DC5B5B;
}

/* Inline form error message */
.form-error {
    background: #FDECEC;
    color: #8C2626;
    border-left: 4px solid #DC5B5B;
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
}

/* Honeypot field - visually removed, still present for bots */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
    accent-color: var(--blue);
}

.checkbox-label a {
    color: var(--blue);
}

.booking-form .btn-primary {
    width: 100%;
}

.booking-success {
    text-align: center;
    padding: 3rem;
    background: var(--paper);
    border-radius: var(--radius);
    border: 1px solid var(--line);
}

.success-icon {
    width: 76px;
    height: 76px;
    background: var(--green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.6rem;
    margin: 0 auto 1.5rem;
}

.booking-success h3 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.booking-success p {
    color: var(--muted);
    font-size: 1.05rem;
}

/* ========================
   Footer
   ======================== */
.footer {
    background: var(--ink);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo .logo-image {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.footer-column h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.72);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ========================
   Legal Pages (Impressum, AGB, Datenschutz)
   ======================== */
.legal-page {
    margin-top: 73px;
    padding: 4rem 0;
}

.legal-page .container {
    max-width: 800px;
}

.legal-page h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.legal-date {
    color: var(--muted);
    margin-bottom: 2.5rem;
}

.legal-page h2 {
    font-size: 1.5rem;
    margin: 2.5rem 0 1rem;
}

.legal-page h3 {
    font-size: 1.2rem;
    margin: 1.5rem 0 0.75rem;
}

.legal-page h4 {
    font-size: 1.05rem;
    margin: 1.25rem 0 0.5rem;
}

.legal-page p,
.legal-page li {
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.legal-page ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-page a {
    color: var(--blue);
}

/* ========================
   Scroll Fade-in Animation
   ======================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ========================
   Responsive Design
   ======================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        visibility: hidden;
    }

    .nav-menu.active {
        transform: translateX(0);
        visibility: visible;
    }

    .nav-menu li {
        margin: 0.5rem 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero {
        min-height: auto;
        padding: 3.5rem 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .demo-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 640px) {
    section {
        padding: 4rem 0;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        width: 100%;
    }

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

    .booking-form {
        padding: 1.75rem;
    }
}