/* ======================================================
   Hair Academy – Global Stylesheet
   ======================================================
   Разработано для сайта академии парикмахеров.
   Атмосфера — современная, профессиональная, вдохновляющая.
====================================================== */

/* ======= RESET & BASELINE ======= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--color-body);
  color: var(--color-text);
  line-height: 1.65;
}

img,
picture,
video,
canvas {
  max-width: 100%;
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  color: var(--color-heading);
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

/* ======= THEME VARIABLES ======= */
:root {
  --color-body: #f6f4f2;
  --color-surface: #ffffff;
  --color-heading: #1d2029;
  --color-text: #393f4d;
  --color-muted: rgba(57, 63, 77, 0.65);

  --color-primary: #d18a52;            /* тёплый медный акцент */
  --color-primary-dark: #b27441;
  --color-secondary: #395675;          /* глубокий деним */
  --color-secondary-dark: #283d55;
  --color-contrast: #fef2e9;
  --color-outline: rgba(57, 86, 117, 0.22);

  --gradient-primary: linear-gradient(135deg, #f9eee4 0%, #fffbf6 45%, #f0e3d9 100%);
  --gradient-secondary: linear-gradient(135deg, #3f6388 0%, #274566 100%);
  --gradient-overlay: linear-gradient(140deg, rgba(255, 255, 255, 0.8), rgba(209, 138, 82, 0.25));

  --shadow-soft: 0 18px 44px -30px rgba(27, 32, 41, 0.4);
  --shadow-card: 0 30px 60px -45px rgba(27, 32, 41, 0.55);
  --radius-base: 18px;
  --radius-round: 26px;

  --section-spacing: clamp(4.5rem, 8vw, 6.8rem);
  --max-width: 1200px;
  --max-width-narrow: 840px;

  --transition: all 0.28s ease;
}

/* ======= OPT-IN DARK MODE (body.dark-mode) ======= */
body.dark-mode {
  --color-body: #14171f;
  --color-surface: #1b1f29;
  --color-heading: #f4f2ef;
  --color-text: #e2e0dc;
  --color-muted: rgba(226, 224, 220, 0.65);
  --color-outline: rgba(226, 224, 220, 0.18);
  --shadow-soft: 0 22px 42px -32px rgba(0, 0, 0, 0.65);
  --shadow-card: 0 40px 70px -40px rgba(0, 0, 0, 0.7);
  background: var(--color-body);
}

/* ======= GLOBAL WRAPPERS ======= */
.wrapper {
  width: min(92vw, var(--max-width));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-spacing);
  position: relative;
}

.section__heading {
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(2.6rem, 6vw, 4rem);
}

.section__heading h2 {
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  letter-spacing: 0.04em;
}

.section__heading p {
  margin-top: 0.9rem;
  color: var(--color-muted);
}

/* ======= HEADER & NAV ======= */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(246, 244, 242, 0.9);
  border-bottom: 1px solid var(--color-outline);
  transition: var(--transition);
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 20px 50px -45px rgba(0, 0, 0, 0.35);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar__logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-secondary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.navbar__title {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.navbar__link {
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  padding-block: 0.5rem;
  transition: var(--transition);
}

.navbar__link::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.navbar__link:hover,
.navbar__link:focus-visible {
  color: var(--color-text);
}

.navbar__link:hover::after,
.navbar__link:focus-visible::after {
  transform: scaleX(1);
}

/* ======= HERO ======= */
.hero {
  background: var(--gradient-primary);
  padding-block: clamp(5.5rem, 10vw, 8rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset-inline-end: -12%;
  inset-block-start: -20%;
  width: clamp(280px, 40vw, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(209, 138, 82, 0.3), transparent 65%);
  filter: blur(8px);
  z-index: -1;
}

.hero__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: clamp(2rem, 5vw, 3.6rem);
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(3rem, 7vw, 4.8rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__content p {
  margin-top: 1.2rem;
  max-width: 50ch;
  color: var(--color-muted);
}

.hero__stats {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.hero__stat {
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-round);
  background: rgba(61, 87, 118, 0.12);
  border: 1px solid rgba(61, 87, 118, 0.16);
  display: grid;
  gap: 0.3rem;
}

.hero__stat strong {
  font-size: 1.2rem;
  color: var(--color-secondary);
}

.hero__image {
  position: relative;
}

.hero__image img {
  border-radius: var(--radius-round);
  box-shadow: var(--shadow-card);
  border: 3px solid #ffffff;
}

.hero__badge {
  position: absolute;
  inset-inline-start: -4%;
  inset-block-end: 10%;
  padding: 1.1rem 1.6rem;
  border-radius: var(--radius-round);
  background: var(--gradient-secondary);
  color: #fff;
  box-shadow: var(--shadow-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* ======= BUTTONS ======= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  padding: 0.85rem 2.3rem;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: var(--transition);
  box-shadow: var(--shadow-soft);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--color-secondary-dark);
}

.btn--ghost {
  background: rgba(57, 86, 117, 0.08);
  color: var(--color-secondary);
  border: 1px solid rgba(57, 86, 117, 0.2);
  box-shadow: none;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(57, 86, 117, 0.12);
}

/* ======= UTILITY BADGES ======= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: rgba(209, 138, 82, 0.12);
  color: var(--color-primary-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

/* ======= FEATURES / WHY US ======= */
.features {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.4rem);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: 2.1rem;
  border: 1px solid var(--color-outline);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.feature-card::after {
  content: '';
  position: absolute;
  inset-inline-end: -18%;
  inset-block-start: -25%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(rgba(209, 138, 82, 0.25), transparent 70%);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover::after {
  opacity: 1;
  transform: scale(1.1);
}

.feature-card__icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: rgba(57, 86, 117, 0.12);
  color: var(--color-secondary);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}

.feature-card p {
  color: var(--color-muted);
}

/* ======= CURRICULUM / MODULES ======= */
.curriculum {
  display: grid;
  gap: clamp(1.8rem, 3vw, 2.6rem);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.module-card {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: 2.2rem;
  border: 1px solid var(--color-outline);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 1.2rem;
}

.module-card__header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.module-card__index {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(209, 138, 82, 0.14);
  color: var(--color-primary-dark);
  display: grid;
  place-items: center;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.module-card ul {
  display: grid;
  gap: 0.85rem;
  color: var(--color-muted);
}

.module-card li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.module-card li::before {
  content: '▸';
  color: var(--color-secondary);
  margin-top: 0.1rem;
}

.module-card__meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ======= TIMELINE / ROADMAP ======= */
.timeline {
  position: relative;
  padding-inline-start: 1.4rem;
  display: grid;
  gap: 1.8rem;
}

.timeline::before {
  content: '';
  position: absolute;
  inset-inline-start: 0.65rem;
  inset-block: 0;
  width: 2px;
  background: rgba(57, 86, 117, 0.25);
}

.timeline-step {
  position: relative;
  padding-inline-start: 1.2rem;
}

.timeline-step::before {
  content: '';
  position: absolute;
  inset-inline-start: -0.65rem;
  inset-block-start: 0.4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-secondary);
  outline: 6px solid rgba(57, 86, 117, 0.12);
}

.timeline-step h3 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.timeline-step p {
  color: var(--color-muted);
}

/* ======= INSTRUCTORS / TEAM ======= */
.instructors {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.4rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.instructor-card {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: 2rem;
  border: 1px solid var(--color-outline);
  box-shadow: var(--shadow-soft);
  text-align: center;
  display: grid;
  gap: 1rem;
}

.instructor-card__photo {
  width: 96px;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  margin-inline: auto;
  border: 4px solid rgba(209, 138, 82, 0.3);
}

.instructor-card__name {
  font-size: 1.6rem;
}

.instructor-card__role {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.instructor-card__badge {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(209, 138, 82, 0.18);
  color: var(--color-primary-dark);
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

/* ======= TESTIMONIALS ======= */
.testimonials {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.4rem);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: 2.4rem;
  border: 1px solid var(--color-outline);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.testimonial-card::before {
  content: '“';
  position: absolute;
  inset-inline-start: 1.4rem;
  inset-block-start: 0.6rem;
  font-size: 5rem;
  color: rgba(57, 86, 117, 0.18);
  line-height: 1;
}

.testimonial-card__text {
  color: var(--color-text);
  margin-bottom: 1.8rem;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.testimonial-card__avatar {
  width: 54px;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(57, 86, 117, 0.24);
}

.testimonial-card__meta {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.rating {
  display: flex;
  gap: 0.3rem;
  color: var(--color-primary);
  margin-top: 0.4rem;
}

/* ======= CTA / ENROLL ======= */
.cta {
  background: var(--gradient-secondary);
  color: #fff;
  border-radius: var(--radius-round);
  padding: clamp(2.8rem, 6vw, 3.6rem);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.cta::after {
  content: '';
  position: absolute;
  inset-inline-end: -20%;
  inset-block-start: -40%;
  width: clamp(250px, 35vw, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(209, 138, 82, 0.28);
  filter: blur(12px);
}

.cta__content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.2rem;
}

.cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ======= PRICING / PROGRAM OPTIONS ======= */
.pricing {
  display: grid;
  gap: clamp(1.8rem, 3vw, 2.8rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: 2.5rem;
  border: 1px solid var(--color-outline);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.pricing-card--featured {
  border-color: rgba(209, 138, 82, 0.45);
  box-shadow: var(--shadow-card);
  transform: translateY(-6px);
}

.pricing-card h3 {
  font-size: 2rem;
  margin-bottom: 0.4rem;
}

.pricing-card__subtitle {
  color: var(--color-muted);
  margin-bottom: 1.6rem;
}

.pricing-card__price {
  font-size: 2.5rem;
  color: var(--color-secondary);
  margin-bottom: 1.6rem;
  display: flex;
  gap: 0.4rem;
  align-items: baseline;
}

.pricing-card__price span {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.pricing-card ul {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 2rem;
  color: var(--color-muted);
}

.pricing-card li {
  display: flex;
  gap: 0.7rem;
}

.pricing-card li::before {
  content: '✦';
  color: var(--color-primary);
}

/* ======= STATS ======= */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: clamp(1.4rem, 2.5vw, 2rem);
}

.stat {
  background: rgba(57, 86, 117, 0.12);
  border-radius: var(--radius-base);
  padding: 1.7rem;
  text-align: center;
  border: 1px solid rgba(57, 86, 117, 0.16);
}

.stat__number {
  font-size: clamp(2.4rem, 4vw, 3.1rem);
  color: var(--color-secondary);
  font-weight: 600;
}

.stat__label {
  margin-top: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* ======= CONTACT / INFO ======= */
.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-round);
  padding: clamp(2.2rem, 4vw, 3.4rem);
  border: 1px solid var(--color-outline);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.4rem);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.contact-card__info {
  display: grid;
  gap: 0.9rem;
}

.contact-card__info h3 {
  font-size: 2rem;
}

.contact-card__details {
  display: grid;
  gap: 0.8rem;
}

.contact-card__item {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  color: var(--color-text);
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(209, 138, 82, 0.14);
  color: var(--color-primary-dark);
}

.contact-card__map iframe {
  width: 100%;
  min-height: 220px;
  border: none;
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
}

/* ======= FOOTER ======= */
.footer {
  background: #12141b;
  color: rgba(230, 227, 222, 0.85);
  padding-block: 3.8rem;
}

.footer__inner {
  width: min(92vw, var(--max-width));
  margin-inline: auto;
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.footer__brand h3 {
  font-size: 2.2rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.footer__brand p {
  color: rgba(230, 227, 222, 0.7);
  max-width: 40ch;
}

.footer__links h4 {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 1.1rem;
}

.footer__links ul {
  display: grid;
  gap: 0.55rem;
}

.footer__links a {
  color: rgba(230, 227, 222, 0.7);
  transition: var(--transition);
}

.footer__links a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer__social {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.footer__social a {
  width: 44px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(230, 227, 222, 0.12);
  color: #fff;
  transition: var(--transition);
}

.footer__social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer__bottom {
  width: min(92vw, var(--max-width));
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(230, 227, 222, 0.18);
  text-align: center;
  color: rgba(230, 227, 222, 0.55);
  font-size: 0.84rem;
}

/* ======= ANIMATIONS / INTERACTIONS ======= */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.hover-lift {
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

/* ======= RESPONSIVE TWEAKS ======= */
@media (max-width: 1024px) {
  .navbar__menu {
    display: none; /* замените на бургер-меню через JS при необходимости */
  }
}

@media (max-width: 720px) {
  .section {
    padding-block: clamp(3.2rem, 10vw, 4rem);
  }

  .hero__stats {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta__buttons {
    flex-direction: column;
  }
}

@media (max-width: 540px) {
  .btn {
    width: 100%;
  }

  .feature-card,
  .module-card,
  .pricing-card,
  .testimonial-card {
    padding: 1.8rem;
  }

  .hero__content h1 {
    font-size: clamp(2.4rem, 10vw, 3.2rem);
  }
}

/* ======= OPTIONAL DECOR ======= */
.decor-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(25px);
  opacity: 0.22;
  z-index: -1;
}

.decor-orb--copper {
  width: clamp(180px, 26vw, 320px);
  height: clamp(180px, 26vw, 320px);
  background: radial-gradient(circle at center, rgba(209, 138, 82, 0.55), transparent 70%);
}

.decor-orb--denim {
  width: clamp(210px, 30vw, 360px);
  height: clamp(210px, 30vw, 360px);
  background: radial-gradient(circle at center, rgba(57, 86, 117, 0.55), transparent 70%);
}