/* --- VARIABLES & RESET --- */
:root {
  /* Palette: Warm Paper */
  --color-bg: #f9f8f4; /* Eggshell / Warm Paper */
  --color-bg-secondary: #ebe9e1;
  --color-text: #1c1917; /* Warm Charcoal */
  --color-text-muted: #57534e;
  --color-accent: #c2410c; /* Terracotta / Burnt Orange */
  --color-accent-hover: #9a3412;
  --color-white: #ffffff;
  --color-line: #d6d3cd;

  /* Typography */
  --font-serif: "Playfair Display", serif;
  --font-sans: "Inter", sans-serif;

  /* Spacing & Layout */
  --container-width: 1280px;
  --header-height: 90px;
  --radius: 8px; /* Soft shapes */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

/* --- UTILITIES --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

/* Buttons */
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-text); /* Stylish dark button */
  color: var(--color-white);
  border: 1px solid var(--color-text);
}

.btn--primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px); /* Micro-animation */
  box-shadow: 0 4px 12px rgba(194, 65, 12, 0.2);
}

/* --- HEADER --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(249, 248, 244, 0.9); /* Transparent warm bg */
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
}

.header__logo-text {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Navigation - Editorial Style */
.header__nav {
  display: flex;
}

.header__list {
  display: flex;
  gap: 40px;
}

.header__link {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-text);
  font-weight: 400;
  position: relative;
}

/* Hover Effect: Elegant underline expansion */
.header__link::before {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

.header__link:hover::before {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

/* Mobile Header */
@media (max-width: 992px) {
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: 60px 24px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .header__nav.active {
    transform: translateX(0);
  }

  .header__list {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .header__link {
    font-family: var(--font-serif);
    font-size: 28px; /* Larger fonts for mobile menu */
  }

  .header__burger {
    display: block;
  }
}

/* --- FOOTER --- */
.footer {
  background-color: var(--color-text); /* Dark footer for contrast */
  color: #e5e5e5;
  padding: 80px 0 30px;
  margin-top: auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr; /* Editorial grid */
  gap: 60px;
  margin-bottom: 60px;
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 28px;
  display: block;
  margin-bottom: 20px;
  color: var(--color-white);
}

.footer__desc {
  color: #a8a29e;
  max-width: 300px;
  margin-bottom: 20px;
  font-size: 14px;
}

.footer__note {
  font-size: 12px;
  color: var(--color-accent);
  background: rgba(194, 65, 12, 0.1);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
}

.footer__heading {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 12px;
  color: #78716c;
  margin-bottom: 25px;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: 12px;
}

.footer__links a {
  color: #e5e5e5;
  font-size: 15px;
  transition: color 0.3s;
}

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

.footer__address p {
  margin-bottom: 15px;
  color: #d6d3cd;
}

.contact-link {
  display: block;
  color: var(--color-white);
  font-size: 16px;
  margin-bottom: 10px;
  transition: color 0.3s;
}

.contact-link:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid #44403c;
  padding-top: 30px;
  text-align: center;
  font-size: 13px;
  color: #78716c;
}

/* Responsive Footer */
@media (max-width: 992px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer {
    padding: 60px 0 30px;
  }
}

/* --- HERO SECTION --- */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 0; /* Space is handled by ticker margin */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

/* Typography & Content */
.hero__title {
  font-size: clamp(3rem, 5vw, 5.5rem); /* Responsive huge font */
  line-height: 1.1;
  margin-bottom: 30px;
  color: var(--color-text);
}

.text-accent {
  color: var(--color-accent);
  font-style: italic; /* Editorial touch */
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 50px;
}

.hero__note {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* Stats */
.hero__stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--color-line);
  padding-top: 30px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 5px;
}

.stat-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

/* Image Area */
.hero__image-wrapper {
  position: relative;
  height: 100%;
  max-height: 600px;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 20px 20px 0 var(--color-bg-secondary); /* Offset decoration */
}

.hero__badge {
  position: absolute;
  bottom: 40px;
  left: -30px;
  background-color: var(--color-white);
  padding: 15px 25px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  font-weight: 600;
  font-size: 14px;
  z-index: 2;
}

.hero__badge .icon-sm {
  color: var(--color-accent);
  width: 20px;
  height: 20px;
}

/* --- INFINITY TICKER --- */
.hero__ticker {
  width: 100%;
  background-color: var(--color-text);
  color: var(--color-white);
  padding: 15px 0;
  overflow: hidden;
  position: relative;
  margin-top: auto;
  transform: rotate(-1deg) scale(1.05); /* Slight stylistic tilt */
  transform-origin: center;
}

.ticker__content {
  display: flex;
  white-space: nowrap;
  animation: ticker 20s linear infinite;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
}

.ticker__content span {
  padding: 0 20px;
}

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

@keyframes ticker {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* --- ANIMATION CLASSES (Used by JS) --- */
.reveal-text,
.reveal-text-delay,
.reveal-image {
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-image {
  transform: scale(0.95);
}

.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Responsive Hero */
@media (max-width: 992px) {
  .hero {
    padding-top: 120px;
    height: auto;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__image-wrapper {
    order: -1; /* Image on top for mobile */
    max-height: 400px;
  }

  .hero__img {
    box-shadow: 10px 10px 0 var(--color-bg-secondary);
  }

  .hero__badge {
    left: 10px;
    bottom: 20px;
  }

  .hero__title {
    font-size: 3rem;
  }
}

/* --- SHARED SECTION STYLES --- */
.section {
  padding: 100px 0;
}

.section--alt {
  background-color: var(
    --color-bg-secondary
  ); /* Slight contrast for Program section */
}

.section-header {
  margin-bottom: 60px;
  max-width: 600px;
}

.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 15px;
  font-weight: 600;
}

.section-title {
  font-size: 2.5rem;
  color: var(--color-text);
  line-height: 1.1;
}

.text-serif {
  font-family: var(--font-serif);
}

.italic {
  font-style: italic;
}

/* --- METHODOLOGY --- */
.methodology__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.method-card {
  background: var(--color-bg);
  padding: 40px 30px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--radius);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.method-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border-color: var(--color-accent);
}

.method-card__icon {
  margin-bottom: 25px;
  color: var(--color-accent);
}

.method-card__icon i {
  width: 32px;
  height: 32px;
}

.method-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--color-text);
}

.method-card__desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- PROGRAM (ACCORDION) --- */
.program__layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.program__desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-top: 20px;
  max-width: 400px;
}

/* Accordion Styles */
.accordion__item {
  border-bottom: 1px solid var(--color-line);
}

.accordion__item:first-child {
  border-top: 1px solid var(--color-line);
}

.accordion__header {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 30px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color 0.3s ease;
}

.accordion__header:hover .accordion__title {
  color: var(--color-accent);
}

.accordion__num {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text-muted); /* Muted number */
  margin-right: 30px;
  font-style: italic;
  width: 40px;
}

.accordion__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  flex-grow: 1;
  color: var(--color-text);
  transition: color 0.3s;
}

.accordion__icon {
  color: var(--color-text-muted);
  transition: transform 0.3s ease;
}

/* Expanded State */
.accordion__header[aria-expanded="true"] .accordion__title {
  color: var(--color-accent);
}

.accordion__header[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg); /* Turn plus to x */
  color: var(--color-accent);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion__body {
  padding: 0 0 40px 70px; /* Indent to align with title */
  color: var(--color-text-muted);
}

.program-list {
  margin-top: 20px;
  list-style: disc;
  padding-left: 20px;
}

.program-list li {
  margin-bottom: 8px;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 992px) {
  .methodology__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .program__layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .program__intro {
    text-align: left;
    margin-bottom: 20px;
  }

  .accordion__body {
    padding-left: 0; /* Remove indent on mobile */
  }

  .accordion__num {
    margin-right: 15px;
    font-size: 1rem;
  }

  .accordion__title {
    font-size: 1.2rem;
  }
}

/* --- MENTORS --- */
.section-desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-top: 20px;
  max-width: 500px;
  line-height: 1.6;
}

.mentors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.mentor-card {
  display: flex;
  flex-direction: column;
}

.mentor-card__img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 20px;
  aspect-ratio: 3/4; /* Vertical portrait format */
  background-color: #e5e5e5; /* Placeholder bg */
}

.mentor-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: grayscale(20%); /* Editorial touch: slight bw */
}

/* Hover Effect: Zoom & Color */
.mentor-card:hover .mentor-card__img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.mentor-card__name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 5px;
}

.mentor-card__role {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 12px;
  font-weight: 600;
}

.mentor-card__bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Responsive Mentors */
@media (max-width: 1100px) {
  .mentors-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (max-width: 600px) {
  .mentors-grid {
    grid-template-columns: 1fr;
  }

  .mentor-card__img-wrapper {
    aspect-ratio: 16/9; /* Wider on mobile for better view */
  }
}

/* --- CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact__details {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-item {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 5px;
}

.contact-value {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}

/* Form Styles */
.contact-form {
  background-color: var(--color-white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.form-group {
  margin-bottom: 24px;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--color-text);
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background-color: #fafafa;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.1);
}

.form-input.error {
  border-color: #ef4444;
  background-color: #fef2f2;
}

.error-text {
  display: block;
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: 6px;
  min-height: 1.2em;
}

.btn--full {
  width: 100%;
}

.form-note {
  margin-top: 15px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
}

.hidden-checkbox {
  display: none;
}

.custom-checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px;
  background-color: #f3f4f6;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
}

.custom-checkbox {
  width: 24px;
  height: 24px;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  background-color: white;
  position: relative;
  transition: all 0.2s;
}

.custom-checkbox-wrapper.checked .custom-checkbox {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.custom-checkbox-wrapper.checked .custom-checkbox::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 12px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text);
  user-select: none;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  height: 20px;
  width: 20px;
  background-color: #eee;
  border-radius: 4px;
  flex-shrink: 0;
  position: relative;
  margin-top: 2px;
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--color-accent);
}

.checkbox-container input:checked ~ .checkmark:after {
  content: "";
  position: absolute;
  display: block;
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.consent-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.success-message {
  display: none;
  text-align: center;
  padding: 60px 20px;
  background: var(--color-white);
  border-radius: var(--radius);
  height: 100%;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.5s ease;
}

.success-message.active {
  display: flex;
}

.success-icon {
  color: #10b981;
  margin-bottom: 20px;
}

.success-icon i {
  width: 64px;
  height: 64px;
}

.success-message h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 15px;
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-text);
  color: var(--color-text);
  margin-top: 20px;
}

.btn--outline:hover {
  background: var(--color-bg-secondary);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Contact */
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact__form-wrapper {
    order: -1; /* Form first on mobile usually increases conversion */
  }
}

.cookie-popup {
  position: fixed;
  bottom: 0; /* Прив'язуємо до низу */
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-accent);
  padding: 20px 0;
  z-index: 2000;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.05);

  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-popup.active {
  transform: translateY(0);
}

.cookie-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cookie-text {
  font-size: 0.9rem;
  color: var(--color-text);
}

.cookie-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.btn--small {
  padding: 8px 20px;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- LEGAL PAGES STYLING (privacy.html, etc.) --- */
/* Ці стилі працюватимуть на окремих сторінках */
.pages {
  padding: calc(var(--header-height) + 60px) 0 80px;
  min-height: 80vh;
}

.pages .container {
  max-width: 800px; /* Better readability width */
}

.pages h1 {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-text);
  margin-bottom: 40px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 20px;
}

.pages h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-text);
  margin-top: 40px;
  margin-bottom: 20px;
}

.pages p {
  margin-bottom: 20px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.pages ul {
  margin-bottom: 25px;
  padding-left: 20px;
  list-style: disc;
  color: var(--color-text-muted);
}

.pages li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.pages a {
  color: var(--color-accent);
  text-decoration: underline;
}

.pages strong {
  color: var(--color-text);
  font-weight: 600;
}