/* ===== Tesla Academy — Architect Edition ===== */
:root {
  --bg-deep: #050608;
  --bg-panel: #0a0c10;

  --text-main: #e2e6f0;
  --text-muted: #949aab;

  --accent-gold: #c9a227;
  --accent-gold-glow: rgba(201, 162, 39, 0.25);

  --glass-bg: rgba(20, 25, 35, 0.4);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-blur: blur(16px);

  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Outfit', sans-serif;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 8px;
  --radius-lg: 16px;

  /* Noise Texture (Base64) */
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  /* Чуть меньше стандартного для элегантности */
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-deep);
  overflow-x: hidden;
}

/* Шум поверх всего сайта */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background-image: var(--noise);
  opacity: 0.6;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.1;
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  margin-bottom: 2rem;
  opacity: 0.95;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  background: linear-gradient(to bottom, #fff 20%, #888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-lead {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.section-text {
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.section-text--accent {
  color: var(--accent-gold);
  font-style: italic;
}

.section-text--center {
  text-align: center;
}

.subsection-label {
  font-size: 1.1rem;
  color: var(--accent-gold);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.section-label--spaced {
  margin-top: 3rem;
}

.participate-list {
  list-style: none;
  margin: 1rem 0 1.5rem;
  padding: 0;
}

.participate-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.participate-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
}

.halls-info {
  margin-top: 1.5rem;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  /* Glass effect */
  background: rgba(5, 6, 8, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.4s ease;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links a:hover {
  color: #fff;
}

.nav-cta {
  color: var(--accent-gold) !important;
  border: 1px solid var(--accent-gold-glow);
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: var(--accent-gold);
  color: #000 !important;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: #fff;
  margin: 6px 0;
}

/* ===== Hero ===== */
.hero {
  position: relative;
}

.hero-banner {
  height: 100vh;
  position: relative;
  overflow: hidden;
  background-color: #0c0b10;
}

.hero-banner-inner {
  position: absolute;
  inset: 0;
  background-image: url("assets/main.png");
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
  background-color: #0c0b10;
  will-change: transform;
}

.hero-overlay-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(to top, var(--bg-deep), transparent);
  pointer-events: none;
}

/* Текст строго под картинкой, не заходит на неё */
.hero-intro {
  position: relative;
  z-index: 2;
  padding: 4rem 2rem 6rem;
  text-align: center;
  background: var(--bg-deep);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(3.5rem, 8vw, 6rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: #fff;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.hero-tagline {
  font-size: 0.85rem;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero-divider {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent-gold), transparent);
  margin: 0 auto 2rem;
}

.hero-mission {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.hero-desc {
  max-width: 500px;
  margin: 0 auto 3rem;
  color: var(--text-muted);
}

.hero-cta {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  transition: all 0.4s ease;
  background: rgba(255, 255, 255, 0.02);
}

.hero-cta:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

/* ===== Universal Sections ===== */
.section {
  padding: 8rem 2rem;
  position: relative;
}

.section--dark {
  background: #08090b;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.container--narrow {
  max-width: 800px;
}

.text-center {
  text-align: center;
}

/* Reveal Animation */
.section,
.footer {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

.section.reveal,
.footer.reveal {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Glass Cards (Core Foundations) ===== */
.foundations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), border-color 0.4s;
}

.glass-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.foundation-img {
  height: 220px;
  overflow: hidden;
}

.foundation-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  transition: transform 0.6s ease;
}

.glass-card:hover .foundation-img img {
  transform: scale(1.05);
}

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
  color: #fff;
}

.card-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ===== Model Flow ===== */
.model-flow {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 2rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  margin-bottom: 4rem;
  color: var(--text-muted);
}

.arrow {
  color: var(--accent-gold);
}

/* ===== How It Works (horizontal: text left, image right) ===== */
.steps-horizontal {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 2rem;
  min-height: 280px;
}

.step-row .step-content {
  position: relative;
  padding: 0 0 0 4.5rem;
}

.step-row .step-num {
  position: absolute;
  left: 0;
  top: -0.25rem;
  font-family: var(--font-serif);
  font-size: 2.75rem;
  color: rgba(255, 255, 255, 0.2);
  margin: 0;
  line-height: 1;
}

.step-row h4 {
  font-size: 1.4rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.step-row p {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1.75;
  margin: 0;
}

.step-fig {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-height: 260px;
}

.step-fig img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* Legacy vertical steps (if used elsewhere) */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.step {
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.1);
  margin-bottom: 1rem;
}

.step-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
}

.step-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}

.step h4 {
  font-size: 1.1rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Academic Programs ===== */
.programs-layout {
  max-width: 900px;
  margin: 0 auto;
}

.programs-block {
  margin-bottom: 4rem;
}

.programs-block:last-child {
  margin-bottom: 0;
}

.program-diva {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.program-diva .program-img {
  margin: 0;
}

.program-faculties-intro {
  margin-bottom: 2rem;
}

.faculty-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.faculty-card {
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.faculty-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.faculty-card-img {
  margin: 0;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.faculty-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s var(--ease-out);
}

.faculty-card:hover .faculty-card-img img {
  transform: scale(1.05);
}

.faculty-card-caption {
  padding: 1.25rem 1.25rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #fff;
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

.program-faculties-footer {
  margin: 0;
  text-align: center;
  font-size: 1rem;
  color: var(--text-muted);
}

.programs-text .program-name {
  font-size: 1.75rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.program-desc {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.program-focus {
  color: var(--accent-gold);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.program-list {
  list-style: none;
  margin-bottom: 1rem;
}

.program-list li {
  padding-left: 1rem;
  border-left: 1px solid var(--accent-gold);
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.program-list--bullets li {
  border-left: none;
  padding-left: 1.25rem;
  position: relative;
}

.program-list--bullets li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
}

.program-list--cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.25rem 1.5rem;
}

@media (max-width: 768px) {
  .program-diva {
    grid-template-columns: 1fr;
  }
  .faculty-cards {
    grid-template-columns: 1fr;
  }
}

/* ===== Masonry Gallery ===== */
.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 1.5rem;
}

.g-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.g-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform 0.5s ease;
}

.g-item:hover img {
  transform: scale(1.05);
}

/* Mosaic sizing */
.g-large {
  grid-column: span 2;
  grid-row: span 2;
}

.g-wide {
  grid-column: span 2;
}

.g-tall {
  grid-row: span 2;
}

/* ===== Access ===== */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.access-card {
  padding: 0;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.access-card .access-content {
  padding: 1.5rem 2rem 2rem;
}

.highlight-card {
  border-color: var(--accent-gold-glow);
  background: rgba(201, 162, 39, 0.05);
}

.access-img {
  height: 140px;
  overflow: hidden;
}

.access-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}

.access-content h4 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* ===== Footer ===== */
.footer {
  padding: 6rem 2rem;
  background: #000;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-big-text {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 10vw, 9rem);
  color: #fff;
  text-align: center;
  line-height: 1;
}

.footer-info {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== Block images — не обрезать ===== */
.block-img {
  margin: 2rem 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.block-img img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

.block-img.parallax-container {
  overflow: hidden;
}

.block-img.parallax-container img {
  width: 100%;
  height: auto;
}

.section-lead--center {
  text-align: center;
}

.block-imgs-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

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

.block-img--centered {
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.participation-quote {
  margin: 2.5rem 0 0;
  padding: 2rem 2.5rem;
  border-left: 4px solid var(--accent-gold);
  background: rgba(201, 162, 39, 0.06);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.participation-quote p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--text-main);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 900px) {

  .step-row {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .step-row .step-fig {
    min-height: 220px;
    order: -1;
  }

  .step-row .step-fig img {
    min-height: 220px;
  }

  .steps-grid,
  .access-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .gallery-masonry {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 250px;
  }

  .g-large,
  .g-wide,
  .g-tall {
    grid-column: span 1;
    grid-row: span 1;
  }

  .nav-links {
    display: none;
  }

  /* Нужно добавить JS для меню */
  .nav-toggle {
    display: block;
  }

  .footer-info {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Меню открытия (простой фикс) */
  .nav.nav--open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #000;
    padding: 2rem;
  }
}