/* ============================================
   PECA Foundation — Base Styles
   Reset + Typography + Utilities
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-gray-700);
    background: var(--color-white);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button,
input,
textarea,
select {
    font: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

/* ── Typography ── */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    color: var(--color-primary);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

h1 {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
}

h2 {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

h3 {
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
}

p {
    margin-bottom: var(--space-4);
}

p:last-child {
    margin-bottom: 0;
}

.lead {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-500);
}

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

.container--narrow {
    max-width: 960px;
}

.container--wide {
    max-width: 1440px;
}

/* ── Section Spacing ── */
.section {
    padding-block: var(--space-20);
}

.section--lg {
    padding-block: var(--space-24);
}

.section--sm {
    padding-block: var(--space-12);
}

/* ── Section Headers ── */
.section-header {
    text-align: center;
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: var(--space-12);
}

.section-header .section-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.section-header h2 {
    margin-bottom: var(--space-4);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
}

/* ── Utility Classes ── */
.text-center {
    text-align: center;
}

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

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

.bg-primary {
    background-color: var(--color-primary);
}

.bg-off-white {
    background-color: var(--color-off-white);
}

.bg-gray-50 {
    background-color: var(--color-gray-50);
}

.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;
}

/* ── Animations (Intersection Observer) ── */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 {
    transition-delay: 100ms;
}

.animate-on-scroll.delay-2 {
    transition-delay: 200ms;
}

.animate-on-scroll.delay-3 {
    transition-delay: 300ms;
}

.animate-on-scroll.delay-4 {
    transition-delay: 400ms;
}

/* ── Grid Helpers ── */
.grid {
    display: grid;
    gap: var(--space-8);
}

.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: 1024px) {
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

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

    .section {
        padding-block: var(--space-12);
    }

    .section--lg {
        padding-block: var(--space-16);
    }

    .section-header {
        margin-bottom: var(--space-8);
    }
}

@media (max-width: 480px) {
    :root {
        --container-pad: var(--space-4);
    }
}