/*! Atrium — a Ventus template (ventus.works)
 *  Free license: keep the Ventus badge visible. That's the whole deal.
 *  Want it badge-free? Commercial license: shop.ventus.works
 */

/* Atrium — component styles (base + layout + core sections).
 * Rule: components reference CSS variables ONLY (tokens.css / themes.css).
 * No literal colors below this line — that is what makes themes free.
 * Load AFTER tokens.css + themes.css.
 */

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: var(--leading-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    transition: background-color 0.4s var(--ease-2), color 0.4s var(--ease-2);
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--color-heading);
    line-height: 1.12;
    margin: 0 0 0.55em;
    font-weight: 500;
    letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.6rem, 7vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 4.4vw, 2.9rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.02rem; }

p { margin: 0 0 1em; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

ul { margin: 0 0 1em; }

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

::selection { background: var(--color-accent-soft); color: var(--color-heading); }

/* ================= Layout ================= */
.container { width: min(1184px, 100% - 3rem); margin-inline: auto; }
.container--narrow { width: min(46rem, 100% - 3rem); margin-inline: auto; }

.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; position: relative; }
.section--alt { background: var(--color-bg-alt); }
.section--grid {
    background-image: var(--blueprint);
    background-size: var(--blueprint-size);
}

.section-head { max-width: 660px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head--center { margin-inline: auto; text-align: center; }

/* The numbered mono eyebrow — blueprint signature */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: var(--u-track);
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1.1rem;
}
.eyebrow::before {
    content: "";
    width: 1.6rem;
    height: 1px;
    background: var(--color-primary);
    opacity: 0.7;
}
.eyebrow__idx { color: var(--color-text-muted); }

.lede {
    font-size: clamp(1.05rem, 2vw, 1.22rem);
    color: var(--color-text-muted);
}

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

hr.rule { border: 0; height: 1px; background: var(--color-border); margin: 0; }

/* ================= Buttons (sharp, architectural) ================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
        border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
        box-shadow var(--dur) var(--ease);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--sm { padding: 0.35rem 0.9rem; font-size: 0.82rem; }
.btn--md { padding: 0.72rem 1.5rem; }
.btn--lg { padding: 1rem 2.1rem; font-size: 1rem; }

.btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-glow); }

.btn--secondary {
    background: var(--color-surface);
    color: var(--color-heading);
    border-color: var(--color-border);
}
.btn--secondary:hover { border-color: var(--color-primary); }

.btn--ghost { background: transparent; color: var(--color-primary); }
.btn--ghost:hover { background: var(--color-accent-soft); }

.btn--on-dark { background: var(--color-on-primary); color: var(--color-heading); }
.btn--on-dark:hover { box-shadow: var(--shadow-float); }

/* ================= Header / nav ================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: color-mix(in srgb, var(--color-bg) 80%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4.1rem;
}

.brand {
    font-family: var(--font-display);
    font-size: 1.22rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-heading);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}
.brand:hover { text-decoration: none; }

.brand__mark {
    width: 1.05rem;
    height: 1.05rem;
    background: var(--gradient-brand);
    flex: none;
    position: relative;
}
.brand__mark::after {
    content: "";
    position: absolute;
    inset: 3px;
    border: 1px solid var(--color-on-primary);
    opacity: 0.55;
}

.nav { display: flex; align-items: center; gap: 0.15rem; }
.nav a {
    color: var(--color-text);
    font-size: 0.92rem;
    font-weight: 450;
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-sm);
    transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav a:hover { color: var(--color-heading); background: var(--color-surface-soft); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--color-primary); }
.nav .btn { margin-left: 0.5rem; }

.nav-toggle { display: none; background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 0.55rem 0.6rem; cursor: pointer; }
.nav-toggle__bar { display: block; width: 22px; height: 1.5px; margin: 4px auto; background: var(--color-heading); border-radius: 1px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }

@media (max-width: 920px) {
    .nav-toggle { display: block; }
    .nav {
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0.15rem;
        padding: 0.75rem 1.25rem 1.5rem;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-float);
        display: none;
    }
    .nav.is-open { display: flex; }
    .nav a { padding: 0.8rem 0.9rem; }
    .nav .btn { margin: 0.6rem 0 0; }
    .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
}

/* ================= Hero ================= */
.hero {
    position: relative;
    overflow: hidden;
    background-image: var(--blueprint), var(--gradient-sky);
    background-size: var(--blueprint-size), auto;
    padding: clamp(4.5rem, 11vw, 8.5rem) 0 clamp(3.5rem, 8vw, 6rem);
}
.hero::after {
    content: "";
    position: absolute;
    right: -8rem; top: -6rem;
    width: 26rem; height: 26rem;
    background: radial-gradient(closest-side, var(--color-accent-soft), transparent 70%);
    opacity: 0.65;
    pointer-events: none;
}
.hero__content { position: relative; z-index: 2; max-width: 780px; }
.hero h1 { margin-bottom: 0.35em; }
.hero__title-accent { color: var(--color-primary); }
.hero__lede { max-width: 620px; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero__meta {
    display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 2.6rem;
    padding-top: 1.25rem; border-top: 1px solid var(--color-border);
    font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted);
}

/* Page hero (inner pages) */
.hero--page { padding: clamp(3rem, 7vw, 5rem) 0; }
.hero--page .breadcrumb { margin-top: 1.4rem; }

.breadcrumb { display: flex; flex-wrap: wrap; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { opacity: 0.5; }

/* ================= Feature / card grid ================= */
.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.9rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); border-color: var(--color-primary); }
.card--soft { background: var(--color-surface-soft); border: 0; }
.card__num {
    font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em;
    color: var(--color-text-muted); margin-bottom: 1rem;
}
.card__icon { width: 2.6rem; height: 2.6rem; display: grid; place-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-primary); margin-bottom: 1.1rem; background: var(--color-surface); }
.card__icon svg { width: 1.3rem; height: 1.3rem; }
.card h3 { margin-bottom: 0.4rem; }
.card p:last-child { margin-bottom: 0; }

/* ================= Stats band ================= */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.stat { padding: 1.8rem 1.5rem; border-right: 1px solid var(--color-border); }
.stat:last-child { border-right: 0; }
.stat__value { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); font-weight: 500; color: var(--color-heading); line-height: 1; }
.stat__value sup { font-size: 0.5em; color: var(--color-primary); }
.stat__label { margin-top: 0.5rem; font-size: 0.85rem; color: var(--color-text-muted); }
@media (max-width: 800px) { .stats { grid-template-columns: repeat(2, 1fr); } .stat:nth-child(2) { border-right: 0; } .stat:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); } }
@media (max-width: 460px) { .stats { grid-template-columns: 1fr; } .stat { border-right: 0; border-bottom: 1px solid var(--color-border); } .stat:last-child { border-bottom: 0; } }

/* ================= Testimonials ================= */
.testimonial { display: flex; flex-direction: column; gap: 1.3rem; height: 100%; }
.testimonial__quote { font-size: 1.05rem; color: var(--color-text); flex: 1; }
.testimonial__quote::before { content: "“"; color: var(--color-primary); font-family: var(--font-display); font-size: 1.6em; line-height: 0; vertical-align: -0.4em; margin-right: 0.1em; }
.testimonial__author { display: flex; align-items: center; gap: 0.9rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.testimonial__avatar { width: 46px; height: 46px; border-radius: 50%; overflow: hidden; flex: none; }
.testimonial__name { font-weight: 600; color: var(--color-heading); line-height: 1.3; }
.testimonial__role { font-size: 0.82rem; color: var(--color-text-muted); }

/* ================= Marquee rule band (signature) ================= */
.marquee {
    overflow: hidden;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 0.9rem 0;
    background: var(--color-surface);
}
.marquee__track {
    display: flex; gap: 3rem; width: max-content;
    font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-text-muted);
    animation: marquee 26s linear infinite;
}
.marquee__track span::after { content: "—"; margin-left: 3rem; color: var(--color-primary); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; flex-wrap: wrap; } }

/* ================= Timeline ================= */
.timeline { position: relative; max-width: 740px; margin-inline: auto; padding-left: 2.4rem; }
.timeline::before { content: ""; position: absolute; left: 0.55rem; top: 0.4rem; bottom: 0.4rem; width: 1px; background: var(--color-border); }
.timeline__item { position: relative; padding-bottom: 2.2rem; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
    content: ""; position: absolute; left: -2.4rem; top: 0.3rem;
    width: 0.75rem; height: 0.75rem; background: var(--color-primary); box-shadow: 0 0 0 4px var(--color-accent-soft);
}
.timeline__date { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary); }
.timeline__title { margin: 0.2rem 0 0.35rem; }
.timeline__text { color: var(--color-text-muted); margin: 0; }

/* ================= Forms ================= */
.form { display: grid; gap: 1.15rem; }
.form__row { display: grid; gap: 1.15rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 580px) { .form__row { grid-template-columns: 1fr; } }
.form__group { display: grid; gap: 0.4rem; }
.form__label { font-size: 0.85rem; font-weight: 600; color: var(--color-heading); }
.form__input {
    font-family: var(--font-body); font-size: 0.98rem; color: var(--color-text);
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    padding: 0.75rem 1rem; width: 100%;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.form__input:focus { outline: none; border-color: var(--color-focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-focus) 18%, transparent); }
textarea.form__input { min-height: 150px; resize: vertical; }
.form__group.has-error .form__input { border-color: var(--color-error); }
.form__error { font-size: 0.8rem; color: var(--color-error); min-height: 1.1em; }
.form__status { font-weight: 600; min-height: 1.4em; font-size: 0.9rem; }
.form__status.is-success { color: var(--color-success); }
.form__status.is-error { color: var(--color-error); }

/* Newsletter panel */
.newsletter {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: clamp(2rem, 5vw, 3.4rem);
    background: var(--color-surface);
    display: grid; gap: 1rem;
    box-shadow: var(--shadow-sm);
}
.newsletter h2 { margin-bottom: 0.2em; }
.newsletter__form { display: flex; gap: 0.6rem; max-width: 480px; }
.newsletter__form .form__input { flex: 1; }
@media (max-width: 520px) { .newsletter__form { flex-direction: column; } }

/* ================= FAQ accordion ================= */
.faq { max-width: 760px; margin-inline: auto; display: grid; gap: 0.4rem; }
.faq__item { border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); }
.faq__question {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    background: none; border: 0; font-family: var(--font-body); font-size: 0.98rem; font-weight: 600;
    color: var(--color-heading); text-align: left; padding: 1.05rem 1.2rem; cursor: pointer;
}
.faq__plus { flex: none; font-size: 1.1rem; color: var(--color-primary); transition: transform 0.3s var(--ease); }
.faq__question[aria-expanded="true"] .faq__plus { transform: rotate(45deg); }
.faq__answer { padding: 0 1.2rem; max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease), padding 0.35s var(--ease); color: var(--color-text-muted); }
.faq__item.is-open .faq__answer { padding: 0 1.2rem 1.15rem; max-height: 400px; }

/* ================= Footer ================= */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: clamp(2.6rem, 6vw, 4.2rem) 0 5.5rem; /* bottom space clears the Ventus badge */
    margin-top: clamp(3rem, 7vw, 5rem);
}
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
@media (max-width: 800px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .site-footer__grid { grid-template-columns: 1fr; } }
.site-footer h4 { font-size: 0.9rem; margin-bottom: 0.9rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.site-footer a { color: var(--color-text-muted); font-size: 0.92rem; }
.site-footer a:hover { color: var(--color-primary); }
.site-footer__intro { color: var(--color-text-muted); max-width: 300px; }
.site-footer__legal { margin-top: 2.6rem; padding-top: 1.3rem; border-top: 1px solid var(--color-border); font-size: 0.84rem; color: var(--color-text-muted); display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; }

/* ================= Utilities ================= */
.text-center { text-align: center; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; } }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .reveal { opacity: 1; transform: none; }
}

code, .mono { font-family: var(--font-mono); font-size: 0.9em; background: var(--color-surface-soft); padding: 0.1em 0.35em; border-radius: 2px; }