:root {
  --color-accent: #F25520;
  --color-bg: #FFF4E8;
  --color-bg-alt: #FFFFFF;
  --color-heading: #2D1A0E;
  --color-text: #3D2B1F;
  --color-text-secondary: #5C3D2E;
  --color-warm: #FFE8D6;
  --color-warm-deep: #FFD9B3;
  --color-dark: #2D1A0E;
  --color-btn: #C7440D;
  --color-btn-hover: #B53A0A;
  --color-btn-active: #2D1A0E;
  --color-teal: #1A6B5A;
  --color-accent-text: #B53A0A;
  --font-family: 'Nunito', sans-serif;
  --section-gap: clamp(40px, 5vw, 56px);
  --container-width: 1100px;
  --radius-btn: 14px;
  --radius-card: 16px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-weight: 400;
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3 {
  color: var(--color-heading);
}

h1 {
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.25;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========================================
   Header
   ======================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-warm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo img {
  height: 40px;
  width: auto;
}

.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  font-family: var(--font-family);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 6px 12px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  color: var(--color-heading);
  background-color: var(--color-warm);
}

.lang-btn.active {
  color: var(--color-accent-text);
  border-color: var(--color-accent);
  background-color: var(--color-bg);
}

/* ========================================
   Hero
   ======================================== */

.hero {
  background-color: var(--color-dark);
  color: var(--color-bg);
  padding: var(--section-gap) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60%;
  height: 120%;
  background: url('../assets/bubbles.svg') no-repeat center;
  background-size: contain;
  opacity: 0.4;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

.hero__text {
  flex: 1;
}

.hero h1 {
  color: var(--color-bg);
  max-width: 700px;
  margin: 0 auto 1rem;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--color-warm);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.5;
}

.hero__image {
  flex-shrink: 0;
}

.hero__image img {
  max-width: 340px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
}

/* ========================================
   Subscribe Form
   ======================================== */

.subscribe-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}

.subscribe-form__input {
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 400;
  padding: 14px 20px;
  min-height: 48px;
  border: 2px solid transparent;
  border-radius: var(--radius-btn);
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s ease;
}

.subscribe-form__input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.subscribe-form__input:focus {
  border-color: var(--color-accent);
}

.subscribe-form__message {
  font-size: 0.9rem;
  margin-top: 0.5rem;
  text-align: center;
}

.subscribe-form__message--success {
  color: var(--color-teal);
}

.subscribe-form__message--error {
  color: var(--color-accent);
}

.hero .subscribe-form__message--success {
  color: var(--color-warm-deep);
}

.hero .subscribe-form__message--error,
.subscribe .subscribe-form__message--error {
  color: #FF8A65;
}

.subscribe .subscribe-form__message--success {
  color: var(--color-warm-deep);
}

/* ========================================
   Button
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-weight: 700;
  font-size: 1.125rem;
  padding: 14px 32px;
  min-height: 48px;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease, transform 0.1s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--primary {
  background-color: var(--color-btn);
  color: var(--color-bg-alt);
}

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

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

/* ========================================
   Features
   ======================================== */

.features {
  background-color: var(--color-bg);
  padding: var(--section-gap) 0;
}

.features__heading {
  text-align: center;
  margin-bottom: 1.5rem;
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-card);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(45, 26, 14, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 26, 14, 0.1);
}

.feature-card__icon {
  display: block;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  color: var(--color-heading);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.features__showcase {
  text-align: center;
  margin-bottom: 1.5rem;
}

.features__image {
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
  border-radius: var(--radius-card);
  box-shadow: 0 4px 16px rgba(45, 26, 14, 0.08);
}

/* ========================================
   About
   ======================================== */

.about {
  background-color: var(--color-warm);
  padding: var(--section-gap) 0;
}

.about__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.about__content h2 {
  margin-bottom: 1rem;
}

.about__content p {
  color: var(--color-text-secondary);
  max-width: 540px;
}

.about__images {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.about__img {
  border-radius: var(--radius-card);
  box-shadow: 0 4px 16px rgba(45, 26, 14, 0.1);
}

.about__img--primary {
  max-width: 360px;
  width: 100%;
}

.about__img--secondary {
  max-width: 240px;
  width: 100%;
}

/* ========================================
   Subscribe (bottom)
   ======================================== */

.subscribe {
  background-color: var(--color-dark);
  color: var(--color-bg);
  padding: clamp(32px, 4vw, 48px) 0;
  text-align: center;
}

.subscribe h2 {
  color: var(--color-bg);
  margin-bottom: 0.5rem;
}

.subscribe__subtitle {
  color: var(--color-warm);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background-color: var(--color-dark);
  color: var(--color-bg);
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 244, 232, 0.1);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer__contact a {
  color: var(--color-warm);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer__contact a:hover {
  color: var(--color-bg);
}

.footer__icon {
  color: var(--color-warm);
  transition: color 0.2s ease;
}

.footer__social a:hover .footer__icon {
  color: var(--color-bg);
}

/* ========================================
   Responsive: Tablet (768px+)
   ======================================== */

@media (min-width: 768px) {
  .subscribe-form__group {
    flex-direction: row;
  }

  .subscribe-form__input {
    flex: 1;
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__inner {
    flex-direction: row;
    text-align: left;
    gap: 3rem;
  }

  .hero h1 {
    margin: 0 0 1rem;
  }

  .hero__subtitle {
    margin: 0 0 2rem;
  }

  .hero .subscribe-form__group {
    margin: 0;
  }

  .about__inner {
    flex-direction: row;
    gap: 3rem;
  }

  .about__content {
    flex: 1;
  }

  .about__images {
    flex-direction: column;
    gap: 1rem;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
  }

  h3 {
    font-size: 1.35rem;
  }
}

/* ========================================
   Responsive: Desktop (1024px+)
   ======================================== */

@media (min-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero__image img {
    max-width: 400px;
  }

  .about__inner {
    gap: 4rem;
  }

  .about__img--primary {
    max-width: 420px;
  }

  h3 {
    font-size: 1.75rem;
  }
}