/* Scalevana Coming Soon Page Styles — Dark Theme */
/* Matches sello.esawd.com prefers-color-scheme: dark */

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

:root {
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
    --color-text: #e2e8f0;
    --color-text-muted: #a0aec0;
    --color-bg: #0f0f1a;
    --color-bg-alt: #1a1a2e;
    --color-border: #2d3748;
    --color-card-bg: #1e1e35;
    --color-nav-bg: rgba(15, 15, 26, 0.95);
    --color-footer-bg: #0f0f1a;
    --color-footer-text: #a0aec0;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fixed Dark Nav with Blur */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--color-nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--gradient-start);
}

/* Hero Section with Purple-Blue Gradient */
#hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
    opacity: 0.5;
}

.hero-content {
    max-width: 820px;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(2.4rem, 5.5vw, 3.8rem);
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-content > p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.waitlist-form-container {
    max-width: 500px;
    margin: 0 auto;
}

.waitlist-form {
    background: var(--color-card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(15, 15, 26, 0.5);
    color: var(--color-text);
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--gradient-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(15, 15, 26, 0.5);
    color: var(--color-text);
    cursor: pointer;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.checkbox-label:hover {
    background: #2d2d4a;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--gradient-start);
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    background: white;
    color: var(--gradient-start);
    border: 2px solid var(--gradient-start);
    border-radius: var(--radius);
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.btn-submit:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.btn-submit:active {
    transform: translateY(0);
}

.timer {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 2rem;
}

.timer-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

.launch-date {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: block;
}

/* Trust Bar - Platform Pills */
.trust-bar {
    background: var(--color-bg);
    padding: 3rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.trust-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.platform-pills {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pill {
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    padding: 0.3rem 0.9rem;
    font-weight: 700;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Features Section */
#features {
    padding: 5rem 2rem;
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--color-text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.feature-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-all {
    background: rgba(80, 200, 120, 0.12);
    color: #2d8a4e;
}

.tag-pro {
    background: rgba(102, 126, 234, 0.12);
    color: var(--gradient-start);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.feature-icon span {
    font-size: 28px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* BYOAI Section */
#byoai {
    padding: 5rem 2rem;
}

.byoai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.byoai-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.byoai-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1.25rem;
}

.byoai-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.byoai-card p {
    color: var(--color-text-muted);
    font-size: 0.93rem;
    line-height: 1.65;
}

.provider-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.chip {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.65rem;
    background: var(--color-bg-alt);
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-muted);
}

/* How It Works Section */
#how-it-works {
    background: var(--color-bg-alt);
    padding: 5rem 2rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    box-shadow: 0 4px 16px rgba(102,126,234,0.35);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    text-align: center;
}

.step-content p {
    color: var(--color-text-muted);
    line-height: 1.6;
    text-align: center;
}

/* CTA Banner */
#cta-banner {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: 4rem 2rem;
    text-align: center;
    color: white;
}

.cta-banner-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-banner-content h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-banner-content p {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    opacity: 0.95;
    margin-bottom: 2rem;
}

.btn-hero-primary {
    background: white;
    color: var(--gradient-start);
    font-weight: 700;
    padding: 0.9rem 2.4rem;
    border-radius: 10px;
    font-size: 1.05rem;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    display: inline-block;
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* Footer */
footer {
    background: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding: 2.5rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

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

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.footer-content > p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Hidden Utility */
.hidden {
    display: none !important;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 3rem 2rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4ade80, #22c55e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 12px rgba(74, 222, 128, 0.3);
}

.success-icon svg {
    width: 40px;
    height: 40px;
    fill: white;
}

.success-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.success-desc {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    line-height: 1.6;
}

/* Gradient Section Labels */
.section-label {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 0 1rem;
        height: 56px;
    }

    .nav-links {
        display: none;
    }

    #hero {
        padding: 6rem 1rem 3rem;
        min-height: auto;
    }

    .hero-content h1 {
        font-size: 1.85rem;
        letter-spacing: -0.5px;
    }

    .hero-content > p {
        font-size: 1rem;
    }

    .section-label {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-header p {
        font-size: 0.95rem;
    }

    #features,
    #how-it-works,
    #byoai,
    #cta-banner,
    .trust-bar,
    footer {
        padding: 3rem 1rem;
    }

    .features-grid,
    .byoai-grid,
    .steps-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .step-number {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }

    .feature-card,
    .byoai-card {
        padding: 1.5rem;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .hero-form {
        padding: 1.25rem;
    }

    .platform-pills {
        gap: 0.5rem;
    }

    .pill {
        padding: 0.25rem 0.6rem;
        font-size: 0.8rem;
    }

    .cta-banner-content h2 {
        font-size: 1.6rem;
    }

    .btn-hero-primary {
        padding: 0.75rem 1.75rem;
        font-size: 0.95rem;
    }

    .footer-brand-name {
        font-size: 1.25rem;
    }
}