/* ASC × PERIN — Design system (Figma) */
:root {
  --color-green: #4eb950;
  --color-blue: #2496d2;
  --color-grey: #515151;
  --color-black: #292929;
  --color-white: #ffffff;
  --color-light: #eef4f7;
  --color-overlay: rgba(0, 0, 0, 0.2);

  --font-display: "Exo 2", system-ui, sans-serif;
  --font-body: "Nunito Sans", "Avenir Next", Avenir, system-ui, sans-serif;

  --radius: 10px;
  --container: 1546px;
  --gutter: clamp(1rem, 4vw, 187px);
  --section-pad: clamp(3rem, 7vw, 8.75rem);
  --gap: clamp(1.25rem, 3vw, 2.5rem);

  --fs-hero: clamp(2.25rem, 4vw, 50px);
  --fs-h2: clamp(1.75rem, 3.5vw, 3.125rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.875rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-stat: clamp(3.5rem, 8vw, 7.5rem);

  --btn-pad: 1.25rem;
  --focus: 0 0 0 3px rgba(78, 185, 80, 0.45);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--color-grey);
  background: var(--color-white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
ul { padding-left: 1.5rem; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-black);
  color: var(--color-white);
  padding: 0.75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 3px solid var(--color-green);
  outline-offset: 2px;
}

.container {
  width: min(100% - 2 * var(--gutter) + 2 * var(--gutter), var(--container));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--btn-pad);
  border: 2px solid var(--color-green);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn:hover { background: var(--color-green); color: var(--color-white); }
.btn--dark { color: var(--color-black); }
.btn--dark:hover { color: var(--color-white); }
.btn--solid {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}
.btn--solid:hover { background: var(--color-green); border-color: var(--color-green); }
.btn--form {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-black);
}
.btn--form:hover {
  background: var(--color-white);
  color: var(--color-green);
}

/* Header / Nav */
.site-header {
  position: absolute;
  inset: 1.875rem 1.875rem auto;
  z-index: 20;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  pointer-events: none;
}
.site-header > * { pointer-events: auto; }

.logo-box {
  background: var(--color-white);
  border-radius: var(--radius);
  width: min(360px, 70vw);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
}
.logo-box img {
  width: 300px;
  max-width: 100%;
  height: auto;
}

.nav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(100vh, 1080px);
  display: flex;
  align-items: center;
  color: var(--color-white);
  background: #1a1a1a;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}
.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 55%, rgba(0,0,0,0.1) 100%),
    rgba(0,0,0,0.2);
}
.hero__content {
  position: relative;
  z-index: 1;
  width: min(532px, 100%);
  padding-block: clamp(8rem, 18vh, 12rem) 4rem;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--fs-hero);
  line-height: 1;
  text-transform: uppercase;
}
.hero__title strong {
  font-weight: 700;
}
.hero__lead {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 400;
  line-height: 1.2;
}
.hero__text { margin: 0; max-width: 28rem; }
.hero__text p{margin-top: 0;}
.hero__text p:last-of-type{margin-bottom: 0;}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

/* Sections common */
.section {
  padding-block: var(--section-pad);
}
.section--light { background: var(--color-light); }
.section--green {
  background: var(--color-green);
  color: var(--color-white);
}
.section__title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 300;
  line-height: 1;
  text-transform: uppercase;
  color: var(--color-grey);
}
.section__title strong,
.section__title .accent-green { font-weight: 700; color: var(--color-green); }
.section__title .accent-blue { font-weight: 700; color: var(--color-blue); }
.section__title .accent-white { font-weight: 700; color: var(--color-white); }
.section--green .section__title { color: var(--color-white); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: start;
}
.media-round {
  border-radius: var(--radius);
  overflow: hidden;
  width: 100%;
}
.media-round img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 763 / 454;
}

/* Intro blocks */
.intro-points {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.intro-point {
  display: grid;
  grid-template-columns: 138px 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 138px;
}
.intro-point__icon {
  background: var(--color-white);
  border-radius: var(--radius);
  height: 138px;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.intro-point__icon img { width: 68px; height: 68px; object-fit: contain; }
.intro-point__text {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.4vw, 1.375rem);
  color: var(--color-grey);
}
.caption {
  margin: 0.75rem 0 0;
  font-size: var(--fs-small);
  color: var(--color-black);
}

/* Quote / continuity */
.quote {
  font-style: italic;
  margin: 0 0 1rem;
}
.quote-author {
  margin: 1rem 0 0;
}
.quote-author strong { color: var(--color-green); }

.video-placeholder {
  position: relative;
  background: #000;
  border-radius: var(--radius);
  aspect-ratio: 763 / 454;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.video-placeholder iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.play-btn {
  width: 60px;
  height: 60px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.play-btn svg {
  width: 60px;
  height: 60px;
  fill: var(--color-green);
}

/* Changes section */
.changes-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: clamp(2rem, 4vw, 4rem);
  margin-top: 2rem;
}
.changes-subtitle {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.875rem);
  color: var(--color-blue);
}
.changes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 1.25rem;
}
.change-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.change-card__icon {
  width: 86px;
  height: 86px;
  border: 2px solid var(--color-blue);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: transparent;
}
.change-card__icon img { width: 48px; height: 48px; object-fit: contain; }
.change-card p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.2vw, 1.125rem);
  color: var(--color-grey);
}
.changes-aside p { margin: 0 0 1rem; }

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem 2rem;
  margin-top: 2.5rem;
}
.benefit-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 134px;
}
.benefit-item__icon {
  width: 120px;
  height: 134px;
  border: 2px solid var(--color-green);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--color-white);
}
.benefit-item__icon img { width: 56px; height: 56px; object-fit: contain; }
.benefit-item h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.4vw, 1.375rem);
  color: var(--color-green);
}
.benefit-item p { margin: 0; font-family: var(--font-display); font-size: 1.125rem; }

/* Stats */
.stats-intro {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}
.stat {
  position: relative;
  color: var(--color-white);
  padding: 1rem 0.5rem 1rem 1.5rem;
  min-height: 10rem;
}
.stat__num {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-stat);
  line-height: 0.9;
  text-transform: uppercase;
}
.stat__num small {
  font-size: 0.66em;
}
.stat__label {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 1.2vw, 1.25rem);
  line-height: 1.25;
  text-transform: uppercase;
  max-width: 12rem;
}

/* Means list */
.means-list li { margin-bottom: 0.25rem; }
.means-note {
  margin-top: 1.25rem;
  color: var(--color-green);
  font-weight: 700;
}

/* Solutions */
.solution-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}
.solution-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 134px;
}
.solution-item__icon {
  width: 120px;
  height: 134px;
  border: 2px solid var(--color-green);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--color-white);
}
.solution-item__icon img { width: 56px; height: 56px; }
.solution-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.375rem;
  color: var(--color-green);
}
.solutions-adv strong { color: var(--color-green); }

/* Timeline */
.timeline {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 2fr;
  gap: 1.25rem;
  margin-top: 2rem;
}
.timeline-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  min-height: 260px;
}
.timeline-card h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.375rem;
  color: var(--color-green);
}
.timeline-card p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
}

/* Contact CTA */
.cta-contact .btn { margin-top: 1.5rem; }

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--gap);
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.faq-item {
  border: 2px solid var(--color-white);
  border-radius: var(--radius);
  background: transparent;
  overflow: hidden;
}
.faq-item[open] {
  background: var(--color-white);
  padding-bottom: 1rem;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 2.5rem 1.25rem 2.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-green);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--color-green);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin: 0;
  padding: 0 2.5rem 1rem;
  color: var(--color-grey);
}
.faq-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Form */
.form-wrap {
  max-width: 920px;
  margin: 0 auto;
}
.form-wrap .section__title {
  text-align: left;
  color: var(--color-white);
}
.form-privacy {
  margin: 0 0 1.5rem;
  font-size: var(--fs-small);
  opacity: 0.95;
}
.form-privacy a { text-decoration: underline; color: var(--color-white); }

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.form-field label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.form-field input,
.form-field select {
  width: 100%;
  padding: 1.25rem;
  border: 2px solid var(--color-white);
  border-radius: var(--radius);
  background: var(--color-light);
  color: var(--color-grey);
}
.form-field input:focus,
.form-field select:focus {
  outline: none;
  box-shadow: var(--focus);
  border-color: var(--color-white);
}
.form-field.is-invalid input,
.form-field.is-invalid select {
  border-color: #8b1e1e;
  background: #fff5f5;
}
.field-error {
  display: block;
  margin-top: 0.25rem;
  color: #fff;
  background: rgba(0,0,0,0.25);
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.875rem;
}
.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}
.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-weight: 600;
}
.form-alert--ok {
  background: var(--color-white);
  color: var(--color-green);
}
.form-alert--err {
  background: rgba(0,0,0,0.2);
  color: var(--color-white);
}
.hp {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* Footer */
.site-footer {
  background: var(--color-white);
  padding: 1.5rem var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 120px;
}
.site-footer img {
  width: 300px;
  max-width: 100%;
  height: auto;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}
.footer-links a {
  text-decoration: none;
  color: var(--color-black);
}
.footer-links a:hover { color: var(--color-green); }

/* Admin */
.admin-body {
  min-height: 100vh;
  background: var(--color-light);
  display: grid;
  place-items: center;
  padding: 2rem;
}
.admin-card {
  width: min(420px, 100%);
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}
.admin-card h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-green);
}
.admin-card label {
  display: block;
  margin: 0.75rem 0 0.35rem;
  font-weight: 600;
}
.admin-card input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #d7e0e6;
  border-radius: var(--radius);
}
.admin-dash {
  width: min(720px, 100%);
}
.admin-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
.admin-stat {
  background: var(--color-light);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.admin-stat strong {
  display: block;
  font-size: 2rem;
  color: var(--color-green);
  font-family: var(--font-display);
}
.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.admin-error {
  color: #8b1e1e;
  margin-bottom: 1rem;
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1.5rem;
}
.error-page h1 {
  font-family: var(--font-display);
  color: var(--color-green);
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1100px) {
  .grid-2,
  .changes-layout,
  .faq-layout,
  .stats-intro { grid-template-columns: 1fr; }
  .changes-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .site-header {
    inset: 1rem 1rem auto;
    flex-direction: column;
    align-items: stretch;
  }
  .logo-box {
    width: 100%;
    height: auto;
    min-height: 72px;
  }
  .nav-actions { width: 100%; }
  .nav-actions .btn { flex: 1; padding: 0.85rem; font-size: 0.9rem; }
  .hero__content { padding-top: 11rem; }
  .intro-point { grid-template-columns: 90px 1fr; }
  .intro-point__icon { height: 90px; }
  .changes-grid,
  .benefits-grid,
  .timeline,
  .stats-row,
  .admin-stats { grid-template-columns: 1fr; }
  .benefit-item,
  .solution-item { grid-template-columns: 90px 1fr; }
  .benefit-item__icon,
  .solution-item__icon { width: 90px; height: 100px; }
  .site-footer { flex-direction: column; align-items: flex-start; }
}