/* ==========================================================================
   Xenagos Bio — Coming Soon
   ========================================================================== */

/* Design Tokens
   ========================================================================== */
:root {
    --color-bg: #f9f9fa;
    --color-surface: #ffffff;
    --color-dark: #0a1a3a;
    --color-text: #0a1a3a;
    --color-text-muted: #5a6378;
    --color-accent: #2c5fb8;
    --color-accent-soft: rgba(44, 95, 184, 0.08);
    --color-border: rgba(10, 26, 58, 0.1);

    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --container-max: 1600px;
    --gutter: clamp(1.5rem, 4vw, 4.5rem);

    --fs-h1: clamp(2.25rem, 3vw, 4.25rem);
    --fs-body: clamp(1rem, 1.05vw, 1.0625rem);
    --fs-small: 0.8125rem;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 999px;

    --transition-fast: 0.2s ease;
    --transition-med: 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

h1,
h2,
h3,
p {
    margin: 0;
}

/* Accessibility
   ========================================================================== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-dark);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: 100;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Layout
   ========================================================================== */
.page {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: clip;
}

.page__inner {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Hero — two columns; right column height is determined by left column.
   ========================================================================== */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: stretch;
}

/* Left column: logo at top, copy below */
.hero__content {
    display: flex;
    flex-direction: column;
    gap: clamp(2.5rem, 6vw, 4.5rem);
    padding: 50px 0px 50px 100px;
    max-width: 680px;
}

.hero__logo-link {
    display: inline-block;
    align-self: flex-start;
}

.hero__logo {
    width: clamp(180px, 18vw, 240px);
    height: auto;
}

.hero__copy {
    display: flex;
    flex-direction: column;
}

.hero__headline {
    font-size: var(--fs-h1);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.025em;
    margin-bottom: 1.75rem;
}

.hero__headline-line {
    display: block;
}

.hero__headline-line--dark {
    color: var(--color-text);
}

.hero__headline-line--accent {
    color: var(--color-accent);
    background: linear-gradient(90deg, var(--color-accent) 0%, #4a7fd4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__divider {
    display: block;
    width: 64px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-text) 0%, var(--color-accent) 100%);
    margin-bottom: 1.75rem;
    border-radius: 2px;
}

.hero__description {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 500px;
    margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* Right column — full top-to-bottom image; bleeds to viewport edge.
   The grid stretches this column to match the left column's height. */
.hero__visual {
    position: relative;
    background: linear-gradient(90deg, transparent 0%, var(--color-dark) 50%);
    overflow: hidden;
    /* Cancel the page gutter and any space outside the centered container */
    margin-right: calc((100vw - min(100vw, var(--container-max))) / -2 - var(--gutter));
}

.hero__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: left center;

}

/* Contact card
   ========================================================================== */
.contact {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-width: 460px;
    transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -20px rgba(10, 26, 58, 0.18);
}

.contact__icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent-soft);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact__icon svg {
    width: 22px;
    height: 22px;
}

.contact__body {
    padding-top: 0.125rem;
    min-width: 0;
}

.contact__title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text);
}

.contact__subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.contact__link {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.contact__link:hover,
.contact__link:focus-visible {
    gap: 0.875rem;
}

.contact__link-arrow {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.contact__link:hover .contact__link-arrow,
.contact__link:focus-visible .contact__link-arrow {
    transform: translateX(2px);
}

/* Footer — under the hero row
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.site-footer__logo {
    width: 120px;
    height: auto;
    opacity: 0.85;
}

.site-footer__copyright {
    font-size: var(--fs-small);
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

/* Responsive
   ========================================================================== */
@media (max-width: 960px) {
    .page__inner {
        padding: 0;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 2rem;
    }

    .hero__visual {
        order: -1;
        margin: 0;
        max-height: 250px;
        height: 250px;
        min-height: 0;
        aspect-ratio: auto;
    }

    .hero__image {
        transform: scale(3);
    }

    .hero__content {
        max-width: none;
        padding: 20px;
        gap: 1.5rem;
    }

    .hero__description {
        font-size: 1em;
    }

    .site-footer {
        padding: 1.5rem 20px;
    }
}

@media (max-width: 560px) {
    .hero__headline {
        margin-bottom: 1.25rem;
    }

    .contact {
        padding: 1rem;
        gap: 1rem;
    }

    .contact__icon {
        width: 30px;
        height: 30px;
    }

    .contact__icon svg {
        width: 16px;
        height: 16px;
    }
}

/* Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print
   ========================================================================== */
@media print {
    .hero__visual,
    .skip-link {
        display: none;
    }
}