:root {
  --bg: #7e614f; /* тёмно-коричневый фон */
  --card: #2c1f17;
  --muted: #c9bcb0; /* приглушённый бежевый */
  --text: #f5efe6; /* тёплый бежевый для текста */
  --accent: #d79a6b; /* мягкий терракотовый */
  --accent-2: #bda27e;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html, body { min-height: 100%; }

body { margin: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji"; color: var(--text); background: var(--bg); line-height: 1.6; scroll-behavior: smooth; font-size: clamp(16px, 1.4vw, 18px); }

/* Sticky header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(36,26,19,0.6); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(245,239,230,0.14); }
.nav { max-width: 1100px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; }
.nav__brand { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 0.2px; }
.nav__links { display: flex; gap: 14px; flex-wrap: wrap; }
.nav__toggle { display: none; background: transparent; border: 0; padding: 8px; margin-right: 6px; cursor: pointer; border-radius: 8px; }
.nav__toggle:hover { background: rgba(255,255,255,0.06); }
.nav__toggle:focus-visible { outline: 2px solid rgba(255,255,255,0.4); outline-offset: 2px; }
.nav__toggle-bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav__link { color: var(--text); text-decoration: none; opacity: 0.85; padding: 6px 10px; border-radius: 8px; transition: background 0.15s ease, opacity 0.15s ease; }
.nav__link:hover { background: rgba(255,255,255,0.06); opacity: 1; }

/* Scroll container */
.scroll-page { scroll-padding-top: 64px; }

/* Sections */
.snap-section { position: relative; min-height: 100dvh; display: grid; place-items: center; padding: 80px 20px 24px; }

/* Hero section - clean background */
#hero { background: var(--bg); }

/* Education section - subtle gradient */
#education { background: linear-gradient(135deg, #8a6f5a 0%, #7e614f 100%); }

/* Achievements section - darker tone */
#achievements { background: linear-gradient(135deg, #6b4f3f 0%, #5a4030 100%); }

/* Contacts section - matches header */
#contacts { background: rgba(36,26,19,0.8); backdrop-filter: blur(8px); min-height: 60vh; }

/* Section separators */
.snap-section::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); height: 2px; width: min(1000px, 92%); background: rgba(245,239,230,0.3); }

/* Animation classes */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Staggered animations for lists */
.list__item { opacity: 0; transform: translateX(-20px); transition: opacity 0.4s ease, transform 0.4s ease; }
.list__item.visible { opacity: 1; transform: translateX(0); }

/* Contact items animation */
.contact { opacity: 0; transform: translateY(10px); transition: opacity 0.4s ease, transform 0.4s ease; }
.contact.visible { opacity: 0.9; transform: translateY(0); }

/* Hero */
.hero__inner { max-width: 1100px; width: 100%; display: grid; grid-template-columns: minmax(260px, 420px) 1fr; gap: 28px; align-items: center; justify-items: start; padding: 0 8px; }
.hero__text { max-width: 60ch; }
.hero__cta { margin-top: 14px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; color: var(--text); text-decoration: none; padding: 12px 20px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); border-radius: 8px; transition: all 0.3s ease; }
.btn:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); transform: translateY(-2px); }
.btn--primary { color: var(--text); background: var(--accent); border-color: var(--accent); }
.btn--primary:hover { background: #e8a76b; border-color: #e8a76b; }

/* Content sections (no boxes) */
.section-card { display: grid; place-items: center; }
.section__container { max-width: 900px; width: 100%; padding: 0 8px; }

/* Education section styling */
#education .section__container { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 24px; border: 1px solid rgba(255,255,255,0.1); }

/* Achievements section styling */
#achievements .section__container { background: rgba(0,0,0,0.2); border-radius: 12px; padding: 24px; border: 1px solid rgba(255,255,255,0.08); }

/* Contacts section styling */
#contacts .section__container { background: rgba(255,255,255,0.03); border-radius: 12px; padding: 20px; border: 1px solid rgba(255,255,255,0.06); }
#contacts { padding: 40px 20px 20px; }

.card {
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  padding: 28px;
}

.profile {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: center;
}

.profile__photo { width: 100%; max-width: 420px; height: auto; aspect-ratio: 3 / 4; border-radius: 16px; object-fit: cover; border: 2px solid rgba(245, 239, 230, 0.25); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35); background: #2e2119; }

.profile__name { margin: 0 0 4px; font-size: clamp(28px, 5vw, 40px); line-height: 1.2; }

.profile__role {
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 500;
}

.profile__summary {
  margin: 0;
  color: #cbd5e1;
}

/* Legacy grid removed in scroll layout */

.section { background: transparent; border: 0; border-radius: 0; padding: 18px 0; }

.section__title { margin: 0 0 12px; font-size: clamp(20px, 3.2vw, 28px); color: var(--text); }

.list {
  margin: 0;
  padding-left: 18px;
}

.list__item { 
  margin-bottom: 8px;
}

/* Accordion (details/summary) */
.accordion { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; padding: 0; }
.accordion[open] { background: rgba(255,255,255,0.06); }
.accordion__summary { list-style: none; cursor: pointer; padding: 10px 12px; display: flex; align-items: center; gap: 8px; }
.accordion__summary::-webkit-details-marker { display: none; }
.accordion__title { font-weight: 600; }
.accordion__content { padding: 0 12px 12px; color: #e6dfd6; }
.accordion__content a { color: var(--accent); }

.contacts { display: grid; grid-template-columns: 1fr; gap: 8px; }

/* Thumbnails in Achievements */
.achievements__thumbs { margin-top: 14px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 900px; margin-left: auto; margin-right: auto; }
.achievements__thumbs .thumb { width: 100%; aspect-ratio: 3 / 4; height: auto; object-fit: cover; border-radius: 12px; border: 1px solid rgba(255,255,255,0.12); background: #1f1510; box-shadow: 0 6px 14px rgba(0,0,0,0.35); }
/* Make the first diploma thumbnail landscape */
.achievements__thumbs .thumb:first-child { aspect-ratio: 4 / 3; }
@media (min-width: 900px) { .achievements__thumbs { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.contact { display: inline-block; color: var(--text); text-decoration: none; padding: 0; border: none; background: transparent; opacity: 0.9; transition: opacity 0.15s ease; }
.contact:hover { opacity: 1; text-decoration: underline; }

.footer { margin-top: 18px; color: var(--muted); text-align: center; }

/* Remove duplicate contacts background rule */

@media (min-width: 700px) { .contacts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

@media (max-width: 900px) {
  .nav { padding: 10px 14px; }
  .nav__brand { font-size: 16px; }
  .nav__toggle { display: inline-block; }
  .nav__links { position: absolute; top: 56px; right: 12px; left: 12px; display: grid; gap: 8px; background: rgba(36,26,19,0.96); border: 1px solid rgba(245,239,230,0.14); border-radius: 12px; padding: 10px; backdrop-filter: blur(8px); transform-origin: top right; transform: scaleY(0.9); opacity: 0; pointer-events: none; transition: opacity 0.18s ease, transform 0.18s ease; }
  .nav--open .nav__links { opacity: 1; transform: scaleY(1); pointer-events: auto; }
  .nav--open .nav__toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav--open .nav__toggle-bar:nth-child(2) { opacity: 0; }
  .nav--open .nav__toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .scroll-page { scroll-padding-top: 56px; }
  .snap-section { min-height: auto; padding: 56px 16px 20px; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .profile__photo { margin: 0 auto; max-width: 320px; }
  .btn { width: 100%; text-align: center; }
}

@media (max-width: 680px) {
  .nav { padding: 8px 12px; }
  .nav__brand { font-size: 15px; }
  .section__container { padding: 0 4px; }
  #contacts { padding: 28px 16px 16px; }
}