/* ==================================================
   UTILITIES
   Reusable helper classes used across every page.
   Keep this file free of one-off, page-specific rules.
   ================================================== */

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

html.lenis,
html.lenis body {
    min-height: 100%;
}

html.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    color: var(--color-dark);
    background: var(--color-white);
    overflow-x: hidden;
}

img,
video {
    max-width: 100%;
    display: block;
}

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

ul,
ol {
    list-style: none;
}

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    line-height: var(--lh-heading);
    font-weight: 600;
    color: var(--color-dark);
}

/* Respect reduced-motion preference everywhere */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.section {
    padding-block: var(--space-2xl);
}

.section--tight {
    padding-block: var(--space-xl);
}

.section--dark {
    background: var(--color-dark);
    color: var(--color-gray-200);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
    color: var(--color-white);
}

.section--light {
    background: var(--color-light);
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid--5 {
    grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 1024px) {

    .grid--3,
    .grid--4,
    .grid--5 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {

    .grid--2,
    .grid--3,
    .grid--4,
    .grid--5 {
        grid-template-columns: 1fr;
    }
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.flex-col {
    flex-direction: column;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

/* ---------- Text ---------- */
.text-center {
    text-align: center;
}

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

.text-secondary-brand {
    color: var(--color-secondary);
}

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

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    font-family: var(--font-mono);
    font-size: var(--fs-label);
    letter-spacing: var(--ls-label);
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.eyebrow::before {
    content: '';
    width: 22px;
    height: 1px;
    background: var(--color-accent);
}

.section-title {
    font-size: var(--fs-h2);
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: var(--fs-body-lg);
    color: var(--color-gray-600);
    max-width: 620px;
}

.section-head {
    margin-bottom: var(--space-xl);
}

.section-head.text-center .section-subtitle {
    margin-inline: auto;
}

/* ---------- Buttons ---------- */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    padding: 0.9rem 1.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--fs-small);
    letter-spacing: 0.02em;
    transition: transform var(--dur-fast) var(--ease-out),
        box-shadow var(--dur-fast) var(--ease-out),
        background var(--dur-fast) var(--ease-out);
    overflow: hidden;
    isolation: isolate;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn--primary {
    background: var(--color-accent);
    color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    box-shadow: var(--shadow-glow-accent);
}

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

.btn--outline:hover {
    background: var(--glass-bg);
    border-color: var(--color-white);
}

.btn--dark {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--dark:hover {
    background: var(--color-primary-dark);
}

.btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: ripple 0.6s var(--ease-out);
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(3);
        opacity: 0;
    }
}

/* ---------- Cards ---------- */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
    transition: transform var(--dur-base) var(--ease-out),
        box-shadow var(--dur-base) var(--ease-out);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    color: var(--color-white);
}

/* ---------- Manifest-style data label (signature motif) ---------- */
.manifest-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    font-family: var(--font-mono);
    font-size: var(--fs-label);
    letter-spacing: var(--ls-label);
    text-transform: uppercase;
    padding: var(--space-3xs) var(--space-xs);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: inherit;
}

/* ---------- Visually hidden (a11y) ---------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Reveal-on-scroll base state (JS toggles .is-visible) ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Focus visibility (a11y, never remove) ---------- */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}