/* ==========================================================================
   Star Soft Design System
   One visual language. Generic, reusable classes.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
    /* Surfaces */
    --color-bg: #faf7f2;
    --color-surface-1: #fffcf8;
    --color-surface-2: #efe8dc;
    --color-surface-3: #f7f1e8;
    --color-surface-4: #e7dfd2;
    --color-surface-dark: #0b0b0d;
    --color-surface-dark-2: #141418;

    /* Ink */
    --color-ink: #1f1b17;
    --color-ink-soft: #3f3831;
    --color-muted: #746b61;
    --color-on-dark: #f3eee6;
    --color-on-dark-muted: rgba(243, 238, 230, 0.72);

    /* Brand accents (site chrome — never recolor logo assets) */
    --color-accent: #c2185b;
    --color-accent-deep: #7a1848;
    --color-accent-soft: rgba(194, 24, 91, 0.25);
    --color-champagne: #b79b6c;
    --color-champagne-soft: #e8c9a0;

    /* Bolivia gems */
    --color-bo-red: #9a1c2e;
    --color-bo-red-deep: #5c1220;
    --color-bo-gold: #c4a35a;
    --color-bo-gold-deep: #8a7040;
    --color-bo-green: #1f4d3a;
    --color-bo-green-deep: #0f2e24;

    /* Lines / panels */
    --color-line: rgba(31, 27, 23, 0.1);
    --color-line-strong: rgba(31, 27, 23, 0.16);
    --color-panel: #fffcf8;

    /* Type */
    --font-display: "Syne", sans-serif;
    --font-body: "Manrope", sans-serif;
    --font-script: "Great Vibes", cursive;

    /* Space / layout */
    --space-1: 0.35rem;
    --space-2: 0.7rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2.5rem;
    --space-6: 4.5rem;
    --space-7: 6.5rem;
    --container: 72rem;
    --radius: 2px;

    /* Motion */
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --duration: 0.25s;
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100%;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
    color: inherit;
}

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */
.container {
    width: min(100% - 3rem, var(--container));
    margin-inline: auto;
}

.section {
    position: relative;
    padding-block: var(--space-7);
}

.section--tight {
    padding-block: var(--space-6);
}

.section--surface-1 { background: var(--color-surface-1); }
.section--surface-2 { background: var(--color-surface-2); }
.section--surface-3 { background: var(--color-surface-3); }
.section--surface-4 { background: var(--color-surface-4); }

.section--dark {
    background: var(--color-surface-dark);
    color: var(--color-on-dark);
}

.section + .section,
.hero + .section {
    border-top: 1px solid rgba(31, 27, 23, 0.08);
}

.grid {
    display: grid;
    gap: var(--space-5);
}

.grid--2 {
    gap: var(--space-5);
}

@media (min-width: 900px) {
    .grid--2 {
        grid-template-columns: 1fr 1fr;
        align-items: start;
        gap: 4rem;
    }

    .grid--balanced {
        align-items: center;
        column-gap: 4.5rem;
        row-gap: var(--space-5);
    }
}

.stack {
    display: grid;
    gap: var(--space-3);
}

.stack--lg {
    gap: var(--space-4);
}

.stack--section {
    gap: 0;
    align-content: start;
}

.stack--section .heading {
    max-width: 14ch;
}

.stack--section .lead {
    margin-top: 1rem;
    max-width: 34ch;
}

.stack--section .lead + .lead {
    margin-top: 0.85rem;
}

.cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    align-items: center;
}

/* Spacing utilities */
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }

/* --------------------------------------------------------------------------
   4. Typography
   -------------------------------------------------------------------------- */
.eyebrow {
    margin: 0 0 0.85rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.heading {
    margin: 0;
    max-width: 16ch;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: inherit;
}

.heading--hero {
    max-width: 18ch;
    margin: 0 0 1rem;
    font-size: clamp(1.5rem, 3.4vw, 2.35rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.heading--accent {
    background: linear-gradient(
        90deg,
        var(--color-bo-red-deep) 0%,
        var(--color-bo-red) 28%,
        var(--color-bo-gold) 50%,
        var(--color-bo-gold) 58%,
        var(--color-bo-green) 78%,
        var(--color-bo-green-deep) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1;
    max-width: none;
    margin-top: 1.5rem;
}

.title {
    margin: 0 0 0.55rem;
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.lead {
    margin: 1.25rem 0 0;
    max-width: 38ch;
    color: var(--color-muted);
    font-size: 1.05rem;
}

.section--dark .lead,
.hero .lead {
    color: var(--color-on-dark-muted);
}

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

.slogan {
    margin: 0 0 1.15rem;
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 3.2vw, 1.9rem);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.slogan em {
    font-family: var(--font-script);
    font-style: normal;
    font-weight: 400;
    font-size: 1.35em;
    letter-spacing: 0;
    text-transform: none;
    color: var(--color-champagne-soft);
    margin-left: 0.15rem;
}

/* --------------------------------------------------------------------------
   5. Media / brand
   -------------------------------------------------------------------------- */
.logo {
    object-fit: contain;
}

.logo--isotipo {
    border-radius: 50%;
}

.logo--nav {
    width: 2.35rem;
    height: 2.35rem;
}

.logo--footer {
    width: 1.75rem;
    height: 1.75rem;
}

.logo--logotipo {
    width: min(22rem, 78vw);
    height: auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.brand--footer {
    gap: 0.55rem;
    font-size: inherit;
}

/* --------------------------------------------------------------------------
   6. Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(to bottom, rgba(11, 11, 13, 0.72), transparent);
    color: var(--color-on-dark);
    transition:
        background var(--duration) var(--ease),
        border-color var(--duration) var(--ease),
        backdrop-filter var(--duration) var(--ease),
        color var(--duration) var(--ease);
}

.nav.is-scrolled {
    background: rgba(250, 247, 241, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-line);
    color: var(--color-ink);
}

.nav__links {
    display: none;
    gap: 1.75rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__links a {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-on-dark-muted);
    transition: color var(--duration) ease;
}

.nav.is-scrolled .nav__links a {
    color: var(--color-muted);
}

.nav__links a:hover,
.nav.is-scrolled .nav__links a:hover {
    color: var(--color-accent);
}

@media (min-width: 768px) {
    .nav {
        padding: 1.5rem 2.5rem;
    }

    .nav__links {
        display: flex;
    }
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.85rem 1.4rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    transition:
        background var(--duration) ease,
        color var(--duration) ease,
        border-color var(--duration) ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
    color: #fff;
}

.btn--primary:hover {
    background: linear-gradient(135deg, #d42a70, var(--color-accent));
}

.btn--ghost {
    border-color: rgba(31, 27, 23, 0.22);
    color: var(--color-ink);
    background: rgba(255, 252, 247, 0.45);
}

.btn--ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-deep);
}

.section--dark .btn--ghost,
.hero .btn--ghost {
    border-color: rgba(243, 238, 230, 0.28);
    color: var(--color-on-dark);
    background: transparent;
}

.section--dark .btn--ghost:hover,
.hero .btn--ghost:hover {
    border-color: var(--color-champagne-soft);
    color: var(--color-champagne-soft);
}

/* --------------------------------------------------------------------------
   8. Lists
   -------------------------------------------------------------------------- */
.list-split {
    display: grid;
    gap: 0;
    margin-top: 3rem;
    border-top: 1px solid var(--color-line);
}

.list-split__item {
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--color-line);
}

.list-split__item p {
    margin: 0;
    max-width: 52ch;
    color: var(--color-muted);
}

@media (min-width: 900px) {
    .list-split {
        grid-template-columns: 1fr 1fr;
        column-gap: 3rem;
    }

    .list-split__item:nth-child(odd) {
        padding-right: 1.5rem;
    }
}

.list-rows {
    list-style: none;
    margin: 3rem 0 0;
    padding: 0;
}

.list-rows > li,
.list-links > li,
.list-steps > li {
    border-top: 1px solid var(--color-line);
}

.list-rows > li:last-child,
.list-links > li:last-child,
.list-steps > li:last-child {
    border-bottom: 1px solid var(--color-line);
}

.list-rows > li {
    display: grid;
    gap: 0.35rem;
    padding: 1.2rem 0;
}

.list-rows__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
}

.list-rows__text {
    font-style: normal;
    color: var(--color-muted);
    font-size: 0.98rem;
}

@media (min-width: 768px) {
    .list-rows > li {
        grid-template-columns: 16rem 1fr;
        align-items: baseline;
        gap: 1.5rem;
    }
}

.list-links {
    list-style: none;
    margin: 3rem 0 0;
    padding: 0;
}

.list-links a {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: start;
    padding: 1.4rem 0;
    transition: color var(--duration) ease, padding-left 0.35s var(--ease);
}

.list-links a:hover {
    color: var(--color-accent);
    padding-left: 0.5rem;
}

.list-links__title {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.list-links__desc {
    display: block;
    margin-top: 0.4rem;
    max-width: 48ch;
    color: var(--color-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
}

.list-links__meta {
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.list-steps {
    list-style: none;
    margin: 3rem 0 0;
    padding: 0;
}

.list-steps > li {
    padding: 1.4rem 0;
}

.list-steps__title {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-accent-deep);
}

.list-steps p {
    margin: 0;
    max-width: 52ch;
    color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   9. Stats
   -------------------------------------------------------------------------- */
.stats {
    display: grid;
    gap: 1.5rem;
}

.stats--matrix {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem 1.5rem;
}

.stat {
    padding-top: 1.15rem;
    border-top: 1px solid var(--color-line);
    min-height: 100%;
}

.stat__value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--color-accent-deep);
}

.stat__label {
    display: block;
    margin-top: 0.4rem;
    color: var(--color-muted);
    font-size: 0.92rem;
    line-height: 1.45;
    max-width: 22ch;
}

@media (max-width: 599px) {
    .stats--matrix {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   10. Forms
   -------------------------------------------------------------------------- */
.form {
    display: grid;
    gap: 1.5rem;
}

.form__intro {
    margin-bottom: 2.5rem;
}

.form__fieldset {
    margin: 0;
    padding: 1.4rem 1.25rem 1.5rem;
    border: 1px solid var(--color-line);
    background:
        linear-gradient(180deg, rgba(255, 252, 247, 0.85), rgba(250, 247, 241, 0.7)),
        var(--color-panel);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.form__fieldset legend {
    padding: 0 0.4rem;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent-deep);
}

.form__grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 720px) {
    .form__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.form__field {
    display: grid;
    gap: 0.7rem;
}

.form__fieldset > .form__field + .form__field {
    margin-top: 1.35rem;
}

.form__field label {
    display: block;
    margin: 0;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.form__hint {
    margin: 0 0 1rem;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.form__field input,
.form__field textarea,
.form__field select {
    width: 100%;
    padding: 0.9rem 0.95rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: rgba(255, 252, 247, 0.9);
    outline: none;
    appearance: none;
    color: var(--color-ink);
    transition: border-color var(--duration) ease;
}

.form__field select {
    background-image:
        linear-gradient(45deg, transparent 50%, var(--color-muted) 50%),
        linear-gradient(135deg, var(--color-muted) 50%, transparent 50%),
        linear-gradient(180deg, rgba(255, 252, 247, 0.9), rgba(255, 252, 247, 0.9));
    background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px), 0 0;
    background-size: 6px 6px, 6px 6px, auto;
    background-repeat: no-repeat;
    padding-right: 2.2rem;
}

.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
    border-color: var(--color-accent-soft);
}

.form__field textarea {
    min-height: 10rem;
    resize: vertical;
}

.form__checks {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.55rem;
}

@media (min-width: 640px) {
    .form__checks { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
    .form__checks { grid-template-columns: 1fr 1fr 1fr; }
}

.form__check {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--color-line);
    background: rgba(255, 252, 247, 0.65);
    cursor: pointer;
    transition: border-color var(--duration) ease, background var(--duration) ease;
}

.form__check:hover {
    border-color: rgba(194, 24, 91, 0.45);
    background: rgba(255, 252, 247, 0.95);
}

.form__check input {
    accent-color: var(--color-accent);
    width: 1rem;
    height: 1rem;
}

.form__check span {
    font-size: 0.92rem;
}

.form__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
}

.form__note {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.88rem;
}

.alert {
    margin-bottom: 1.25rem;
    padding: 0.95rem 1.1rem;
    border: 1px solid var(--color-line);
    font-size: 0.95rem;
}

.alert--success {
    border-color: rgba(31, 77, 58, 0.4);
    background: rgba(31, 77, 58, 0.08);
    color: var(--color-bo-green);
}

.alert--error {
    border-color: rgba(154, 28, 46, 0.4);
    background: rgba(154, 28, 46, 0.08);
    color: var(--color-bo-red);
}

/* --------------------------------------------------------------------------
   11. Accents
   -------------------------------------------------------------------------- */
.rule {
    width: 0;
    height: 1px;
    margin: 0 0 1.5rem;
    background: linear-gradient(90deg, var(--color-accent), var(--color-bo-gold), var(--color-bo-green), transparent);
    animation: rule-draw 1.2s 0.35s var(--ease) forwards;
}

@keyframes rule-draw {
    to { width: min(12rem, 40vw); }
}

.band {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    height: 3px;
    width: 100%;
}

#bolivia .container {
    padding-block: var(--space-5);
}

.band span:nth-child(1) {
    background: linear-gradient(90deg, var(--color-bo-red-deep), var(--color-bo-red), var(--color-accent));
}

.band span:nth-child(2) {
    background: linear-gradient(90deg, var(--color-bo-gold-deep), var(--color-bo-gold), var(--color-champagne));
}

.band span:nth-child(3) {
    background: linear-gradient(90deg, var(--color-bo-green-deep), var(--color-bo-green), #2d6b52);
}

.hero-accent {
    position: absolute;
    left: 0;
    width: min(42%, 22rem);
    height: 5px;
    z-index: 2;
    pointer-events: none;
}

.hero-accent--top {
    top: 0;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-deep));
}

.hero-accent--bottom {
    bottom: 0;
    background: linear-gradient(90deg, var(--color-bo-gold), var(--color-bo-green));
}

/* --------------------------------------------------------------------------
   12. Hero pattern
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100svh;
    display: grid;
    align-items: end;
    overflow: hidden;
    isolation: isolate;
    padding-block: calc(var(--space-6) + 2.5rem) var(--space-6);
}

.hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: cover;
    object-position: right center;
    image-rendering: auto;
}

.hero__veil {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(7, 7, 9, 0.92) 0%, rgba(7, 7, 9, 0.78) 34%, rgba(7, 7, 9, 0.28) 58%, rgba(7, 7, 9, 0.12) 100%),
        linear-gradient(180deg, rgba(7, 7, 9, 0.35) 0%, transparent 28%, transparent 68%, rgba(7, 7, 9, 0.55) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    width: min(100% - 3rem, 36rem);
    margin-left: max(1.5rem, calc((100% - var(--container)) / 2));
    margin-right: auto;
    display: grid;
    gap: 1.35rem;
    align-items: start;
}

.hero__brand {
    margin: 0;
}

.hero__brand .logo--logotipo {
    width: min(14rem, 52vw);
}

.hero__copy {
    display: grid;
    gap: 0;
    max-width: 34rem;
}

.hero__copy .slogan {
    margin-bottom: 1rem;
}

.hero__copy .heading--hero {
    margin-bottom: 0;
}

.hero__copy .lead {
    margin-top: 1.1rem;
    max-width: 36ch;
}

.hero__actions {
    margin-top: var(--space-4);
}

@media (min-width: 900px) {
    .hero {
        align-items: center;
    }

    .hero__content {
        max-width: 36rem;
        gap: 1.5rem;
    }

    .hero__brand .logo--logotipo {
        width: min(16rem, 100%);
    }
}

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.footer {
    border-top: 1px solid var(--color-line-strong);
    padding: 2rem 0 2.4rem;
    background: var(--color-surface-2);
}

.footer__bar {
    position: relative;
    display: grid;
    gap: 1.25rem;
    justify-items: center;
    text-align: center;
    color: var(--color-muted);
    font-size: 0.85rem;
}

.footer__brand p {
    margin: 0;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem 1.25rem;
}

.footer__links a {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.72rem;
    transition: color var(--duration) ease;
}

.footer__links a:hover {
    color: var(--color-accent);
}

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

@media (min-width: 900px) {
    .footer__bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        min-height: 2.5rem;
    }

    .footer__links {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: max-content;
        max-width: calc(100% - 28rem);
    }

    .footer__brand,
    .footer__copy {
        position: relative;
        z-index: 1;
    }
}

/* --------------------------------------------------------------------------
   14. Motion utilities
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.is-in {
    opacity: 1;
    transform: none;
}

.reveal--delay-1 { transition-delay: 0.12s; }
.reveal--delay-2 { transition-delay: 0.24s; }
.reveal--delay-3 { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .rule,
    .reveal {
        animation: none !important;
        transition: none !important;
        opacity: 1;
        transform: none;
        width: auto;
    }

    .rule {
        width: min(12rem, 40vw);
    }
}