/* ============================================
   SkyWash JA — Design System
   High-End Industrial: Steel + Electric Blue + Gold
   Fonts: Space Grotesk (headings) + Inter (body)
   ============================================ */

:root {
    /* Primary — Electric Blue (deeper, more industrial) */
    --sky-50: #f0f7ff;
    --sky-100: #dbeafe;
    --sky-200: #bfdbfe;
    --sky-300: #60a5fa;
    --sky-400: #3b82f6;
    --sky-500: #2563eb;
    --sky-600: #1d4ed8;
    --sky-700: #1e40af;
    --sky-800: #1e3a8a;
    --sky-900: #172554;

    /* Accent — Solar Gold (warmer, more premium) */
    --gold-50: #fffbeb;
    --gold-100: #fef3c7;
    --gold-200: #fde68a;
    --gold-300: #fcd34d;
    --gold-400: #f59e0b;
    --gold-500: #d97706;
    --gold-600: #b45309;
    --gold-700: #92400e;

    /* Neutral — Steel/Slate (cooler, industrial) */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gray-950: #020617;

    /* Semantic */
    --success: #059669;
    --danger: #dc2626;
    --white: #ffffff;

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-py: 6rem;
    --container-max: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-sm: 6px;

    /* Shadows — sharper, more dramatic */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.14);
    --shadow-xl: 0 24px 48px rgba(0,0,0,0.16);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.skip-nav {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
    background: var(--sky-600);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 var(--border-radius-sm) 0;
}
.skip-nav:focus { left: 0; }

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.15; color: var(--gray-900); letter-spacing: -0.02em; }
h1 { font-size: clamp(2.75rem, 7vw, 4.5rem); font-weight: 800; }
h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

.text-gold { color: var(--gold-400); }

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 3.5rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--gray-900);
    color: var(--sky-300);
    padding: 0.375rem 1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-desc {
    color: var(--gray-500);
    font-size: 1.0625rem;
    margin-top: 1rem;
    line-height: 1.7;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--sky-500);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.btn-primary:hover { background: var(--sky-600); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.4); }

.btn-outline {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.4);
    color: var(--white);
    backdrop-filter: blur(4px);
}
.btn-outline:hover { background: rgba(255,255,255,0.18); border-color: var(--white); }

.btn-lg { padding: 1rem 2.25rem; font-size: 1rem; letter-spacing: 0.01em; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================
   Navbar
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(2, 6, 23, 0.92);
    backdrop-filter: blur(20px) saturate(1.2);
    padding: 0.5rem 0;
    box-shadow: 0 1px 0 rgba(255,255,255,0.06), var(--shadow-lg);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--white);
    font-weight: 500;
}
.nav-logo i { color: var(--sky-400); font-size: 1.25rem; }
.nav-logo strong { color: var(--gold-400); }

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

.nav-links a {
    color: rgba(255,255,255,0.85);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
    background: var(--sky-500) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600 !important;
    box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.nav-cta:hover { background: var(--sky-400) !important; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('../assets/images/hero/hero-drone-solar.jpg') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(2,6,23,0.92) 0%, rgba(23,37,84,0.80) 40%, rgba(2,6,23,0.88) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding-top: 6rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(96, 165, 250, 0.25);
    color: var(--sky-300);
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    backdrop-filter: blur(8px);
}
.hero-badge i { color: var(--gold-400); }

.hero h1 { margin-bottom: 1.5rem; }

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    max-width: 600px;
    margin: 0 auto;
}

.stat { text-align: center; }
.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
}
.stat-label {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.hero-scroll a {
    color: rgba(255,255,255,0.4);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* ============================================
   Sections
   ============================================ */
/* ============================================
   Trust Bar
   ============================================ */
.trust-bar {
    background: var(--gray-900);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 1rem 0;
}

.trust-items {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}
.trust-item i { color: var(--sky-400); font-size: 0.875rem; }

/* ============================================
   Sections
   ============================================ */
.section { padding: var(--section-py) 0; }
.section-problem { background: var(--white); }
.section-services { background: var(--gray-50); }
.section-calculator { background: var(--gray-900); color: var(--white); }
.section-calculator .section-tag { background: rgba(37,99,235,0.2); color: var(--sky-300); }
.section-calculator .section-desc { color: var(--gray-400); }
.section-calculator h2 { color: var(--white); }
.section-how { background: var(--white); }
.section-why { background: var(--gray-950); color: var(--white); }
.section-why .section-tag { background: rgba(37,99,235,0.2); color: var(--sky-300); }
.section-why h2 { color: var(--white); }
.section-waitlist { background: linear-gradient(160deg, var(--sky-900) 0%, var(--gray-950) 100%); color: var(--white); }
.section-faq { background: var(--gray-50); }

/* ============================================
   Problem Section
   ============================================ */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: var(--gray-50);
    padding: 2.25rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all 0.25s ease;
    position: relative;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sky-500), var(--gold-400));
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--sky-300); }

.problem-icon {
    width: 56px;
    height: 56px;
    background: var(--gray-900);
    color: var(--sky-400);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.375rem;
    margin: 0 auto 1.25rem;
}

.problem-card h3 { margin-bottom: 0.5rem; }
.problem-card p { color: var(--gray-500); font-size: 0.9375rem; }

/* Before/After */
.before-after {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.ba-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    flex: 1;
    max-width: 350px;
    text-align: center;
}

.ba-label {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}
.ba-before .ba-label { color: var(--danger); }
.ba-after .ba-label { color: var(--success); }

.ba-arrow {
    font-size: 2rem;
    color: var(--sky-500);
    flex-shrink: 0;
}

/* Panel Visual */
.panel-visual {
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    margin-bottom: 1rem;
}
.panel-visual.dirty { background: linear-gradient(135deg, #6b7280, #9ca3af); }
.panel-visual.clean { background: linear-gradient(135deg, #0ea5e9, #38bdf8); }

.panel-row {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
}
.panel-row .cell {
    flex: 1;
    height: 24px;
    border-radius: 2px;
}
.dirty .cell { background: rgba(0,0,0,0.3); border: 1px solid rgba(0,0,0,0.2); }
.clean .cell { background: rgba(255,255,255,0.4); border: 1px solid rgba(255,255,255,0.3); }

.ba-stats { display: flex; gap: 1.5rem; justify-content: center; }
.ba-stat { text-align: center; }
.ba-stat span:last-child { display: block; font-size: 0.75rem; color: var(--gray-500); }
.ba-stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}
.ba-stat-num.bad { color: var(--danger); }
.ba-stat-num.good { color: var(--success); }

/* ============================================
   Services Section
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
    align-items: stretch;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 2rem 1.5rem;
    position: relative;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}
.service-card:hover { border-color: var(--sky-400); box-shadow: var(--shadow-lg); transform: translateY(-3px); }

.service-card.featured {
    background: var(--gray-900);
    border-color: var(--sky-600);
    box-shadow: 0 0 0 1px var(--sky-600), var(--shadow-lg);
    color: var(--white);
}
.service-card.featured h3 { color: var(--white); }
.service-card.featured > p { color: var(--gray-400); }
.service-card.featured .service-features li { color: var(--gray-300); }
.service-card.featured .service-icon { background: var(--sky-900); color: var(--sky-400); }
.service-card.featured .service-price { color: var(--sky-300); }

.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold-500);
    color: var(--gray-900);
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--gray-100);
    color: var(--gray-900);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
}

.service-card h3 { margin-bottom: 0.5rem; }
.service-card > p { color: var(--gray-500); font-size: 0.875rem; margin-bottom: 1rem; }

.service-features { margin-bottom: 1.5rem; flex-grow: 1; }
.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
    padding: 0.25rem 0;
}
.service-features i { color: var(--success); font-size: 0.75rem; }

.service-price {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--sky-600);
    margin-top: auto;
    padding-top: 0.5rem;
}

/* Maintenance Plans */
.plans-section {
    background: var(--sky-50);
    border: 1px solid var(--sky-200);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
}

.plans-title {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--sky-800);
}
.plans-title i { color: var(--gold-500); }

.plans-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.plan-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.plan-card h4 { margin-bottom: 0.25rem; }
.plan-freq { color: var(--gray-500); font-size: 0.875rem; margin-bottom: 0.75rem; }
.plan-discount {
    display: inline-block;
    background: var(--gold-100);
    color: var(--gold-700);
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}
.plan-card > p { color: var(--gray-500); font-size: 0.8125rem; }

/* ============================================
   Calculator Section
   ============================================ */
.calculator-card {
    background: var(--gray-800);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
}

.calc-inputs { padding: 2.5rem; background: var(--white); }
.calc-result {
    background: linear-gradient(160deg, var(--sky-600), var(--sky-900));
    color: var(--white);
    padding: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calc-result-inner { text-align: center; }

.calc-group { margin-bottom: 1.5rem; }
.calc-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}
.calc-group label i { color: var(--sky-500); margin-right: 0.25rem; }

.calc-group input[type="number"],
.calc-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color 0.2s;
}
.calc-group input:focus,
.calc-group select:focus {
    outline: none;
    border-color: var(--sky-500);
}

.calc-slider-container { margin-top: 0.75rem; }

.calc-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--gray-200);
    outline: none;
}
.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--sky-500);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}
.calc-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--sky-500);
    cursor: pointer;
    border: none;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

.calc-label {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.calc-price {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.calc-per-panel {
    font-size: 0.9375rem;
    opacity: 0.7;
    margin-bottom: 1rem;
}

.calc-savings {
    background: rgba(255,255,255,0.15);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    min-height: 2rem;
}

.calc-cta { margin-bottom: 1rem; }

.calc-disclaimer {
    font-size: 0.75rem;
    opacity: 0.5;
}

/* ============================================
   How It Works
   ============================================ */
.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.step-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 0;
    text-align: center;
    flex: 1;
    max-width: 340px;
    position: relative;
    overflow: hidden;
}

.step-number {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 32px;
    height: 32px;
    background: var(--gray-900);
    color: var(--white);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.step-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.step-card h3 { margin-bottom: 0.5rem; }
.step-card p { color: var(--gray-500); font-size: 0.9375rem; padding: 0 1.5rem 1.75rem; }
.step-card h3 { padding: 1.25rem 1.5rem 0; }

.step-connector {
    color: var(--sky-300);
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* ============================================
   Comparison Table
   ============================================ */
.comparison-table {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

.comp-header, .comp-row {
    display: grid;
    grid-template-columns: 1.5fr 2fr 2fr;
}

.comp-header {
    background: rgba(255,255,255,0.06);
    color: var(--white);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.comp-header > div { padding: 1rem 1.25rem; }
.comp-header .comp-drone { color: var(--sky-300); }
.comp-header .comp-manual { color: var(--gray-500); }

.comp-row {
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.comp-row:nth-child(odd) { background: rgba(255,255,255,0.04); }
.comp-row > div { padding: 0.875rem 1.25rem; font-size: 0.9375rem; display: flex; align-items: center; gap: 0.5rem; color: var(--gray-300); }

.comp-feature { font-weight: 600; color: var(--white); }
.comp-drone.good i { color: var(--success); }
.comp-manual.bad i { color: var(--danger); }

/* ============================================
   Waitlist Section
   ============================================ */
.waitlist-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.section-waitlist .section-tag {
    background: rgba(37, 99, 235, 0.2);
    color: var(--sky-300);
}

.section-waitlist h2 { color: var(--white); }

.waitlist-perks { margin-top: 1.5rem; }
.waitlist-perks li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
}
.waitlist-perks i { color: var(--gold-400); }

.waitlist-form-container {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
}

.waitlist-form .form-group { margin-bottom: 1.25rem; }
.waitlist-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.waitlist-form input,
.waitlist-form select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color 0.2s;
    color: var(--gray-800);
}
.waitlist-form input:focus,
.waitlist-form select:focus {
    outline: none;
    border-color: var(--sky-500);
}

.form-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.75rem;
}

.form-success {
    text-align: center;
    padding: 2rem;
    color: var(--gray-800);
}
.form-success i { font-size: 3rem; color: var(--success); margin-bottom: 1rem; }
.form-success h3 { margin-bottom: 0.5rem; }

/* ============================================
   FAQ
   ============================================ */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.25rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--gray-800);
    text-align: left;
}
.faq-question i {
    color: var(--sky-500);
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 1rem;
}
.faq-question:hover { color: var(--sky-600); }

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 1.25rem;
}

.faq-answer p {
    color: var(--gray-500);
    line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--gray-950);
    color: rgba(255,255,255,0.6);
    padding: 4rem 0 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand p { margin-top: 0.75rem; font-size: 0.875rem; }

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: background 0.2s;
}
.footer-social a:hover { background: var(--sky-500); color: var(--white); }

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-links li,
.footer-contact li { padding: 0.25rem 0; font-size: 0.875rem; }
.footer-links a:hover,
.footer-contact a:hover { color: var(--sky-400); }
.footer-contact li { display: flex; align-items: center; gap: 0.5rem; }
.footer-contact i { color: var(--sky-400); width: 16px; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.8125rem;
}

/* ============================================
   Cookie Banner
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gray-800);
    color: var(--white);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    z-index: 999;
    font-size: 0.875rem;
}
.cookie-banner a { color: var(--sky-400); text-decoration: underline; }
.cookie-banner .btn { background: var(--sky-500); color: var(--white); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .usecases-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --section-py: 3.5rem; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
    }
    .nav-links.active { display: flex; }
    .nav-toggle { display: flex; }

    .hero-stats { flex-direction: column; gap: 1rem; }
    .trust-items { gap: 1rem; justify-content: flex-start; }
    .trust-item { font-size: 0.75rem; }

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

    .before-after { flex-direction: column; }
    .ba-arrow { transform: rotate(90deg); }

    .services-grid { grid-template-columns: 1fr; }
    .usecases-grid { grid-template-columns: 1fr; }
    .plans-grid { grid-template-columns: 1fr; }

    .legal-page { padding-top: 5rem; }
    .legal-content { padding: 0 0.5rem; }

    .error-links ul { flex-direction: column; align-items: center; gap: 0.75rem; }

    .calculator-card { grid-template-columns: 1fr; }
    .calc-price { font-size: 2.5rem; }

    .steps-grid { flex-direction: column; }
    .step-connector { transform: rotate(90deg); }

    .comparison-table { font-size: 0.8125rem; }
    .comp-header > div, .comp-row > div { padding: 0.75rem 0.75rem; }

    .waitlist-card { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn-lg { padding: 0.875rem 1.5rem; }
}

/* ============================================
   Use Cases Section
   ============================================ */
.section-usecases { background: var(--gray-50); }

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

.usecase-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 0;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
}
.usecase-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.usecase-card-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.usecase-card-body {
    padding: 1.5rem;
}

.usecase-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--sky-100), var(--gold-50));
    color: var(--sky-600);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: -2.5rem auto 1rem;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--white);
}

.usecase-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.usecase-card p {
    color: var(--gray-500);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.usecase-price {
    display: inline-block;
    background: var(--sky-50);
    color: var(--sky-700);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    padding: 0.375rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--sky-200);
}

/* ============================================
   Legal Pages (Privacy / Terms)
   ============================================ */
.legal-page {
    padding-top: 6rem;
    padding-bottom: var(--section-py);
}

.legal-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-200);
}

.legal-header h1 {
    margin-bottom: 0.5rem;
}

.legal-updated {
    color: var(--gray-400);
    font-size: 0.9375rem;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content section {
    margin-bottom: 2.5rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--sky-100);
}

.legal-content h3 {
    font-size: 1.125rem;
    color: var(--gray-800);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-content p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul {
    margin-bottom: 1rem;
    padding-left: 0;
}

.legal-content li {
    color: var(--gray-600);
    line-height: 1.7;
    padding: 0.375rem 0 0.375rem 1.5rem;
    position: relative;
}

.legal-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 6px;
    height: 6px;
    background: var(--sky-500);
    border-radius: 50%;
}

.legal-content a {
    color: var(--sky-600);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.legal-content a:hover {
    color: var(--sky-700);
}

/* ============================================
   404 Error Page
   ============================================ */
.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 5rem;
    text-align: center;
}

.error-content {
    max-width: 560px;
}

.error-icon {
    font-size: 4rem;
    color: var(--sky-400);
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.error-page h1 {
    font-size: clamp(5rem, 12vw, 8rem);
    font-weight: 900;
    color: var(--gray-200);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.error-page h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.error-page > .container > .error-content > p {
    color: var(--gray-500);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.btn-outline-dark {
    background: transparent;
    border-color: var(--gray-300);
    color: var(--gray-700);
}
.btn-outline-dark:hover {
    background: var(--gray-100);
    border-color: var(--sky-500);
    color: var(--sky-600);
}

.error-links p {
    color: var(--gray-400);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.error-links ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.error-links a {
    color: var(--sky-600);
    font-weight: 500;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: color 0.2s;
}
.error-links a:hover { color: var(--sky-700); }
.error-links i { font-size: 0.8125rem; }

/* Animations */
.animate-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}