/* Siskin Labs — Brand Stylesheet */

:root {
    --accent: #f0e51b;
    --accent-light: #f5ed6a;
    --accent-dark: #d4cb00;
    --bg: #ffffff;
    --bg-warm: #fafaf5;
    --text: #000000;
    --text-muted: #4a4a4a;
    --text-light: #717171;
    --border: #e5e5e5;
    --border-accent: #e0d819;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
    --font: 'Inter', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container--narrow {
    max-width: 640px;
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: 3px solid var(--accent);
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 900;
    text-decoration: none;
    color: var(--text);
}

.header__logo img {
    height: 32px;
    width: auto;
}

.nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav__link {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition);
    padding: 0.25rem 0;
}

.nav__link:hover,
.nav__link--active {
    color: var(--text);
}

.nav__cta {
    background: var(--accent);
    color: var(--text);
    padding: 0.45rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background var(--transition);
}

.nav__cta:hover {
    background: var(--accent-light);
}

.nav__lang {
    color: var(--text-light);
    font-size: 0.8rem;
    border: 1px solid var(--border);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    transition: all var(--transition);
}

.nav__lang:hover {
    border-color: var(--text-muted);
    color: var(--text);
}

/* Mobile menu toggle */
.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav__toggle svg {
    width: 24px;
    height: 24px;
    stroke: var(--text);
    stroke-width: 2;
    fill: none;
}

/* ============================================
   HERO
   ============================================ */

.hero {
    text-align: center;
    padding: 5rem 0 4rem;
}

.hero__title {
    font-size: 2.75rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.hero__cta {
    display: inline-block;
    background: var(--accent);
    color: var(--text);
    padding: 0.75rem 1.75rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition);
    box-shadow: var(--shadow);
}

.hero__cta:hover {
    background: var(--accent-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
    padding: 4rem 0;
}

.section--accent {
    background: var(--bg-warm);
}

.section__title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.section__subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    max-width: 560px;
}

.section__label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

/* ============================================
   PRODUCT CARDS (homepage)
   ============================================ */

.products {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

.product-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-accent);
}

.product-card__icon {
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    font-weight: 900;
}

.product-card__name {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.product-card__tagline {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.product-card__desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.product-card__features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-card__features li {
    font-size: 0.88rem;
    padding: 0.3rem 0;
    padding-left: 1.25rem;
    position: relative;
    color: var(--text);
}

.product-card__features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.product-card__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.product-card__badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-card__badge--dev {
    background: var(--bg-warm);
    border: 1px solid var(--border);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.5rem 1.15rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font);
}

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

.btn--primary:hover {
    background: var(--accent-light);
}

.btn--outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

.btn--outline:hover {
    border-color: var(--text);
}

.btn--large {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
}

.btn--full {
    display: block;
    width: 100%;
    text-align: center;
}

/* ============================================
   ABOUT / CTA SECTION
   ============================================ */

.about {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about__text {
    flex: 1;
}

.about__text p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.about__visual {
    flex: 0 0 auto;
}

.about__visual img {
    height: 120px;
    opacity: 0.9;
}

/* ============================================
   FEATURE GRID (product pages)
   ============================================ */

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

.feature-card {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow);
}

.feature-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.feature-card__desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   HOW IT WORKS
   ============================================ */

.steps {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 640px;
}

.step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step__number {
    flex: 0 0 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
}

.step__text {
    font-size: 1rem;
    line-height: 1.6;
    padding-top: 0.35rem;
}

/* ============================================
   DEMO SECTION
   ============================================ */

.demo-box {
    background: var(--bg-warm);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.demo-box__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.demo-box__text {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

/* ============================================
   HIGHLIGHT BOX (chat example)
   ============================================ */

.highlight {
    background: var(--accent);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.highlight__text {
    font-size: 1rem;
    font-style: italic;
    font-weight: 500;
}

/* ============================================
   VISION LIST
   ============================================ */

.vision-list {
    list-style: none;
    max-width: 560px;
}

.vision-list li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 1rem;
    line-height: 1.6;
}

.vision-list li::before {
    content: "\2192";
    position: absolute;
    left: 0;
    font-weight: 700;
    color: var(--accent-dark);
}

/* ============================================
   STATUS BADGE
   ============================================ */

.status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

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

.status--dev {
    background: var(--bg-warm);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.status__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ============================================
   WAITLIST FORM
   ============================================ */

.waitlist-form {
    max-width: 440px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font);
    transition: border-color var(--transition);
    background: var(--bg);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-dark);
}

.form-group input::placeholder {
    color: var(--text-light);
}

/* Waitlist result */
.waitlist-result {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    margin-top: 1rem;
}

.waitlist-result--success {
    background: #f0fdf0;
    border: 1px solid #86efac;
    color: #166534;
}

.waitlist-result--error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.waitlist-result--info {
    background: var(--bg-warm);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    border-top: 3px solid var(--accent);
    padding: 2.5rem 0;
    margin-top: 4rem;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.footer__brand {
    flex: 1;
}

.footer__name {
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

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

.footer__links {
    display: flex;
    gap: 3rem;
}

.footer__col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.footer__col a {
    display: block;
    font-size: 0.88rem;
    color: var(--text-muted);
    padding: 0.2rem 0;
    transition: color var(--transition);
}

.footer__col a:hover {
    color: var(--text);
}

.footer__bottom {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .hero {
        padding: 3rem 0 2.5rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1.05rem;
    }

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

    .about {
        flex-direction: column;
        text-align: center;
    }

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

    .footer__inner {
        flex-direction: column;
    }

    .footer__links {
        gap: 2rem;
    }

    /* Mobile navigation */
    .nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 1rem 1.5rem 1.5rem;
        border-bottom: 3px solid var(--accent);
        gap: 0.75rem;
    }

    .nav--open {
        display: flex;
    }

    .nav__toggle {
        display: block;
    }

    .nav__link, .nav__cta, .nav__lang {
        text-align: center;
    }

    .nav__cta {
        display: block;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.65rem;
    }

    .product-card {
        padding: 1.5rem;
    }

    .section {
        padding: 2.5rem 0;
    }
}