/* Fundación Limpia Panamá — design system
   Palette derived from the official logo (orange / green / blue).
*/

@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Source+Sans+3:wght@400;500;600;700&display=swap");

:root {
  --color-orange: #e87a1f;
  --color-orange-deep: #c45f10;
  --color-green: #6b9a45;
  --color-green-deep: #4f7532;
  --color-blue: #3b8ed0;
  --color-blue-deep: #1f6aa8;
  --color-ink: #1a1f1c;
  --color-ink-soft: #3d4740;
  --color-sand: #f3efe6;
  --color-foam: #f8faf7;
  --color-sea: #0c3d4c;
  --color-sea-mid: #145868;
  --color-white: #ffffff;
  --color-line: rgba(26, 31, 28, 0.12);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 7rem;

  --radius-sm: 0.35rem;
  --radius-md: 0.75rem;
  --shadow-soft: 0 18px 40px rgba(12, 61, 76, 0.12);
  --max-width: 72rem;
  --header-h: 4.25rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(59, 142, 208, 0.12), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(232, 122, 31, 0.1), transparent 55%),
    linear-gradient(180deg, var(--color-foam) 0%, var(--color-sand) 100%);
  min-height: 100vh;
}

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

a {
  color: var(--color-blue-deep);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
  transition: color 160ms var(--ease-out);
}

a:hover {
  color: var(--color-orange-deep);
}

h1,
h2,
h3,
.display {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  font-weight: 700;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  margin: 0 0 var(--space-4);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 var(--space-4);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  margin: 0 0 var(--space-3);
}

p {
  margin: 0 0 var(--space-4);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(248, 250, 247, 0.86);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand:hover {
  color: inherit;
}

.brand__logo {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

.brand__name span {
  color: var(--color-orange);
}

.brand__tag {
  font-size: 0.78rem;
  color: var(--color-ink-soft);
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

.nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-orange);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--color-ink);
  position: relative;
  transition: transform 200ms var(--ease-out);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  top: 6px;
}

.site-header.is-open .nav {
  display: flex;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: var(--space-4);
  background: rgba(248, 250, 247, 0.98);
  border-bottom: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
}

.site-header.is-open .nav a {
  padding: var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--color-line);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 180ms var(--ease-out),
    background-color 180ms var(--ease-out),
    color 180ms var(--ease-out),
    border-color 180ms var(--ease-out);
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

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

.btn--primary:hover {
  background: var(--color-orange-deep);
  color: var(--color-white);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.7);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--outline:hover {
  background: var(--color-ink);
  color: var(--color-white);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: var(--color-white);
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: hero-drift 18s var(--ease-out) infinite alternate;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(12, 61, 76, 0.35) 0%, rgba(12, 61, 76, 0.78) 55%, rgba(12, 61, 76, 0.92) 100%),
    linear-gradient(90deg, rgba(12, 61, 76, 0.55), transparent 55%);
}

.hero__content {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
  padding: var(--space-8) 0 var(--space-7);
  max-width: 40rem;
  animation: rise-in 900ms var(--ease-out) both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 0.95;
  margin: 0 0 var(--space-5);
  color: var(--color-white);
}

.hero__brand span {
  color: var(--color-orange);
}

.hero__lead {
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  max-width: 32rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: var(--space-6);
}

/* Sections */
.section {
  padding: var(--space-8) 0;
}

.section--tight {
  padding: var(--space-7) 0;
}

.section--sea {
  background:
    linear-gradient(160deg, var(--color-sea) 0%, var(--color-sea-mid) 100%);
  color: var(--color-white);
}

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

.section--green {
  background:
    linear-gradient(135deg, rgba(107, 154, 69, 0.12), rgba(59, 142, 208, 0.08));
}

.section__eyebrow {
  display: inline-block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--color-orange-deep);
  margin-bottom: var(--space-3);
}

.section--sea .section__eyebrow {
  color: #ffc48a;
}

.section__intro {
  max-width: 38rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-6);
}

.section--sea .section__intro {
  color: rgba(255, 255, 255, 0.84);
}

/* Impact strip */
.impact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.impact__item {
  border-left: 3px solid var(--color-orange);
  padding-left: var(--space-4);
}

.impact__value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--color-white);
}

.impact__label {
  margin-top: var(--space-2);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

/* Split / editorial */
.split {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.split__media {
  position: relative;
}

.split__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.split__media::after {
  content: "";
  position: absolute;
  inset: auto -0.75rem -0.75rem auto;
  width: 42%;
  height: 42%;
  background: linear-gradient(135deg, var(--color-green), var(--color-blue));
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0.55;
}

.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.why-list li {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-line);
  font-size: 1.15rem;
  font-family: var(--font-display);
}

.why-list li:last-child {
  border-bottom: 1px solid var(--color-line);
}

/* Actions grid (not card-heavy) */
.actions {
  display: grid;
  gap: var(--space-5);
}

.action {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-line);
}

.action:last-child {
  border-bottom: 1px solid var(--color-line);
}

.action__icon {
  width: 2.5rem;
  height: 0.35rem;
  border-radius: 999px;
  background: var(--color-green);
}

.action:nth-child(2) .action__icon {
  background: var(--color-blue);
}

.action:nth-child(3) .action__icon {
  background: var(--color-orange);
}

/* Gallery */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.filter-btn {
  border: 1px solid var(--color-line);
  background: var(--color-white);
  color: var(--color-ink-soft);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 160ms var(--ease-out), color 160ms var(--ease-out);
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
}

.gallery-grid {
  columns: 1;
  column-gap: var(--space-4);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-4);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-white);
  animation: rise-in 700ms var(--ease-out) both;
}

.gallery-item.is-hidden {
  display: none;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 500ms var(--ease-out);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item figcaption {
  padding: var(--space-3) var(--space-4);
  font-size: 0.95rem;
  color: var(--color-ink-soft);
}

.gallery-preview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.gallery-preview a {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
  text-decoration: none;
}

.gallery-preview img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform 500ms var(--ease-out);
}

.gallery-preview a:hover img {
  transform: scale(1.05);
}

/* News */
.news-list {
  display: grid;
  gap: var(--space-6);
}

.news-item {
  display: grid;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-line);
}

.news-item__media {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.news-item__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 500ms var(--ease-out);
}

.news-item:hover .news-item__media img {
  transform: scale(1.03);
}

.news-item__date {
  color: var(--color-orange-deep);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
}

.news-item__body h2 {
  margin-bottom: var(--space-3);
}

@media (min-width: 720px) {
  .news-item {
    grid-template-columns: minmax(12rem, 18rem) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: start;
  }
}

/* Page hero (inner pages) */
.page-hero {
  padding: var(--space-8) 0 var(--space-6);
}

.page-hero__title {
  max-width: 18ch;
}

.page-hero__lead {
  max-width: 40rem;
  font-size: 1.2rem;
  color: var(--color-ink-soft);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: var(--space-6);
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.contact-list a {
  font-weight: 700;
  text-decoration: none;
  font-size: 1.15rem;
}

.social-row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  padding: var(--space-7) 0 var(--space-6);
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.82);
}

.site-footer a {
  color: #ffc48a;
}

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

.site-footer__brand {
  font-family: var(--font-display);
  color: var(--color-white);
  font-size: 1.4rem;
  margin-bottom: var(--space-2);
}

.site-footer__brand span {
  color: var(--color-orange);
}

.site-footer__meta {
  font-size: 0.9rem;
  opacity: 0.75;
}

/* Motion */
@keyframes hero-drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-1.5%, -1%, 0);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* Breakpoints */
@media (min-width: 720px) {
  .impact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid {
    columns: 2;
  }

  .gallery-preview {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .action {
    border: 0;
    padding: 0;
  }

  .action:last-child {
    border: 0;
  }

  .contact-grid,
  .split {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }
}

@media (min-width: 960px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .gallery-grid {
    columns: 3;
  }
}