/* ==========================================================================
   SalchiMapa — styles.css
   Mirrors the brand tokens defined in branding/BRANDING.md
   ========================================================================== */

:root {
    /* Brand — primary: orange */
    --brand-primary: #FF6B35;
    --brand-primary-dark: #D45020;
    --brand-primary-light: #FF8F5E;
    --on-brand-primary: #FFFFFF;

    /* Brand — secondary: white */
    --brand-secondary: #FFFFFF;
    --brand-secondary-dim: #FAF9F7;
    --brand-secondary-edge: #EDEAE5;
    --on-brand-secondary: #1C1B1F;

    /* Brand — tertiary: earthy brown */
    --brand-tertiary: #795548;
    --brand-tertiary-dark: #4B2C20;

    /* Surfaces */
    --bg: #FAF9F7;
    --surface: #FFFFFF;
    --surface-variant: #F5F3F0;
    --on-bg: #1C1B1F;
    --on-surface: #1C1B1F;
    --on-surface-variant: #49454F;

    /* Radii */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-2xl: 28px;
    --radius-full: 9999px;

    /* Type */
    --font-sans: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

    /* Layout */
    --container: 1200px;
    --container-wide: 1280px;
}

/* -------------------------------------------------------------------------- */
/* Reset / base                                                               */
/* -------------------------------------------------------------------------- */

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--on-bg);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3 { margin: 0 0 .5em; font-weight: 600; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }

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

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
}

@media (max-width: 640px) {
    .container { padding-inline: 16px; }
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--brand-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 16px;
    line-height: 1;
    border: 2px solid transparent;
    cursor: pointer;
    transition: background-color .2s cubic-bezier(.2,0,0,1),
                color .2s cubic-bezier(.2,0,0,1),
                transform .2s cubic-bezier(.2,0,0,1),
                box-shadow .2s cubic-bezier(.2,0,0,1);
    text-decoration: none;
}

.btn-primary {
    background: var(--brand-primary-dark);
    color: var(--on-brand-primary);
}
.btn-primary:hover {
    background: #B53F15;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(212,80,32,.35);
}
.btn-primary:active { transform: translateY(0); }

.btn-lg { padding: 18px 36px; font-size: 18px; }

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    background: rgba(250, 249, 247, 0.92);
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--brand-secondary-edge);
    z-index: 50;
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--on-bg);
    font-weight: 700;
    font-size: 20px;
    text-decoration: none;
    letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-icon { border-radius: 10px; }

.primary-nav a {
    font-weight: 500;
    color: var(--on-bg);
    padding: 10px 18px;
    border-radius: var(--radius-full);
    transition: background-color .2s, color .2s;
}
.primary-nav a:hover {
    background: var(--brand-primary-dark);
    color: #fff;
    text-decoration: none;
}

/* -------------------------------------------------------------------------- */
/* Sections                                                                   */
/* -------------------------------------------------------------------------- */

.section {
    padding: 96px 0;
}
@media (max-width: 768px) {
    .section { padding: 64px 0; }
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
    font-weight: 600;
    color: var(--brand-primary-dark);
    margin: 0 0 12px;
}
.eyebrow.on-dark { color: var(--brand-primary-light); }
.on-dark { color: #fff; }

/* -------------------------------------------------------------------------- */
/* Hero                                                                       */
/* -------------------------------------------------------------------------- */

.hero {
    background: var(--brand-primary);
    color: #fff;
    padding: 120px 0 96px;
    overflow: hidden;
}
@media (max-width: 768px) {
    .hero { padding: 72px 0 64px; }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: center;
}
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
}

.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: #1C1B1F; /* AA contrast on orange */
    margin-bottom: 24px;
}

.hero-sub {
    font-size: clamp(17px, 2vw, 20px);
    line-height: 1.5;
    color: #1C1B1F;
    max-width: 56ch;
    margin: 0 auto 32px;
    opacity: 0.88;
}
@media (min-width: 901px) {
    .hero-sub { margin-inline: 0; }
}

.hero .btn-primary {
    background: #1C1B1F;
    color: #fff;
}
.hero .btn-primary:hover {
    background: #000;
    box-shadow: 0 6px 18px rgba(0,0,0,.35);
}

.hero-art {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-mark {
    width: 100%;
    max-width: 320px;
    height: auto;
    filter: drop-shadow(0 12px 32px rgba(0,0,0,0.18));
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}
@media (prefers-reduced-motion: reduce) {
    .hero-mark { animation: none; }
}

/* -------------------------------------------------------------------------- */
/* About                                                                      */
/* -------------------------------------------------------------------------- */

.section-about {
    background: var(--bg);
}
.section-about h2 {
    font-size: clamp(28px, 4vw, 40px);
    max-width: 24ch;
    margin-bottom: 48px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; }
}

.about-card {
    background: var(--surface);
    border: 1px solid var(--brand-secondary-edge);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: transform .2s, box-shadow .2s;
}
.about-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}
.about-card h3 {
    font-size: 20px;
    color: var(--brand-primary-dark);
    margin-bottom: 12px;
}
.about-card p {
    color: var(--on-surface-variant);
    margin: 0;
}

/* -------------------------------------------------------------------------- */
/* Features (rotating background)                                             */
/* -------------------------------------------------------------------------- */

.section-features {
    position: relative;
    overflow: hidden;
    color: #fff;
    isolation: isolate;
}

.features-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.features-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}
.features-slide.is-active { opacity: 1; }

.features-scrim {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(28,27,31,0.55) 0%, rgba(28,27,31,0.78) 100%),
        linear-gradient(135deg, rgba(212,80,32,0.55), rgba(75,44,32,0.55));
}

.features-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    max-width: 22ch;
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
@media (max-width: 700px) {
    .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
    background: rgba(255,255,255,0.96);
    color: var(--on-surface);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    transition: transform .2s;
}
.feature-card:hover { transform: translateY(-4px); }

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--brand-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--brand-primary-dark);
}
.feature-card p {
    margin: 0;
    color: var(--on-surface-variant);
    font-size: 15px;
}

/* -------------------------------------------------------------------------- */
/* Contact                                                                    */
/* -------------------------------------------------------------------------- */

.section-contact {
    background: var(--surface);
    text-align: center;
}
.contact-inner { max-width: 720px; margin-inline: auto; }
.section-contact h2 {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 16px;
}
.contact-lede {
    font-size: 18px;
    color: var(--on-surface-variant);
    margin-bottom: 32px;
}

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */

.site-footer {
    background: var(--brand-tertiary-dark);
    color: rgba(255,255,255,0.85);
    padding: 48px 0;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: #fff;
    font-size: 18px;
}
.footer-brand img { border-radius: 8px; }
.footer-contact a {
    color: var(--brand-primary-light);
    font-weight: 500;
}
.footer-copy {
    margin: 8px 0 0;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}