/* ========================================
   Curious Fox - Styles
   ======================================== */

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* Typography - Self-hosted fonts */
@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/geist-latin.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/geist-latin-ext.woff2') format('woff2-variations');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../assets/fonts/source-serif-4-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../assets/fonts/source-serif-4-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ========================================
   CSS Custom Properties - Light Theme
   ======================================== */
:root {
  /* Colors */
  --color-bg: #fafaf9;
  --color-bg-alt: #f5f5f4;
  --color-surface: #ffffff;
  --color-text: #1c1917;
  --color-text-muted: #57534e;
  --color-text-subtle: #78716c;
  --color-border: #e7e5e4;
  --color-border-light: #f5f5f4;
  
  /* Accent - Fox orange/amber */
  --color-accent: #d97706;
  --color-accent-hover: #b45309;
  --color-accent-light: #fef3c7;
  
  /* Typography */
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Layout */
  --max-width: 72rem;
  --header-height: 4rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

/* ========================================
   Dark Theme
   ======================================== */
[data-theme="dark"] {
  --color-bg: #0c0a09;
  --color-bg-alt: #1c1917;
  --color-surface: #1c1917;
  --color-text: #fafaf9;
  --color-text-muted: #a8a29e;
  --color-text-subtle: #78716c;
  --color-border: #292524;
  --color-border-light: #1c1917;
  
  --color-accent: #f59e0b;
  --color-accent-hover: #fbbf24;
  --color-accent-light: #451a03;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
}

/* ========================================
   Base Styles
   ======================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* ========================================
   Utility Classes
   ======================================== */
.container, .hero {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-base), border-color var(--transition-base);
  user-select: none;
}

h1, h2, h3, h4, h5, h6 {
  user-select: none;
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
}

.header__logo-icon {
  width: auto;
  height: 1.75rem;
  color: var(--color-accent);
}

[data-theme="dark"] .header__logo-icon {
  filter: invert(1);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.header__nav-link:hover {
  color: var(--color-text);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Mobile menu button */
.header__menu-btn {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  transition: background-color var(--transition-fast);
}

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

.header__menu-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-bg-alt);
}

.theme-toggle__icon {
  width: 1.25rem;
  height: 1.25rem;
}

.theme-toggle__icon--sun {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--moon {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.lang-switch:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: var(--space-24) 0 var(--space-32);
}

.hero__content {
  max-width: 48rem;
  position: relative;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

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

.hero__subtitle {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 36rem;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

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

.hero__cta-icon {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform var(--transition-fast);
}

.hero__cta:hover .hero__cta-icon {
  transform: translateX(4px);
}

/* ========================================
   Section Base
   ======================================== */
.section {
  padding: var(--space-20) 0;
}

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

.section--divided {
  border-top: 1px solid var(--color-border);
}

.section__header {
  margin-bottom: var(--space-12);
}

.section__label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section__title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--color-text);
}

/* ========================================
   About Section
   ======================================== */
.about__content {
  display: grid;
  gap: var(--space-12);
}

.about__text {}

.about__text p {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.about__text p + p {
  margin-top: var(--space-4);
}

.about__highlight {
  color: var(--color-text);
  font-weight: 500;
}

.about__definition {
  border-left: 2px solid var(--color-accent);
  padding: var(--space-4) var(--space-6);
  align-self: start;
}

.about__def-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.about__def-word {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.03em;
}

.about__def-phonetic {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  font-family: var(--font-serif);
}

.about__def-pos {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-subtle);
}

.about__def-list {
  list-style: none;
  margin-top: var(--space-3);
  counter-reset: def-counter;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about__def-list li {
  counter-increment: def-counter;
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
}

.about__def-list li::before {
  content: counter(def-counter) ".";
  font-weight: 500;
  color: var(--color-text);
  padding-top: 0.05em;
}

.about__def-tagline {
  margin-top: var(--space-4);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

/* ========================================
   Experience Section
   ======================================== */
.experience__grid {
  display: grid;
  gap: var(--space-8);
}

.experience__item {
  padding: var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.experience__item-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.experience__item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-accent-light);
  border-radius: 0.5rem;
  color: var(--color-accent);
}

.experience__item-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.experience__item-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

.experience__item-desc {
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.experience__item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.experience__tag {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-subtle);
  background-color: var(--color-bg-alt);
  padding: var(--space-1) var(--space-2);
  border-radius: 0.25rem;
  transition: background-color var(--transition-base);
}

/* ========================================
   Partners Section
   ======================================== */
.partners__intro {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 36rem;
  margin-bottom: var(--space-10);
}

.partners__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.partner__card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Logo strip */
.partner__logo-wrap {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
}

.partner__logo-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

/* Dark background strip — for logos with white/transparent base (e.g. Laimek) */
.partner__logo-wrap--dark {
  background-color: #000;
  border-radius: var(--radius-sm, 4px) var(--radius-sm, 4px) 0 0;
}

/* Info panel — always visible */
.partner__info {
  padding: var(--space-3) var(--space-4) var(--space-4);
}

.partner__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.partner__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.partner__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.partner__link:hover {
  gap: var(--space-2);
}

.partner__link svg {
  width: 0.75rem;
  height: 0.75rem;
  flex-shrink: 0;
}

/* Placeholder cards */
.partner__card--placeholder {
  pointer-events: none;
  opacity: 0.4;
}

.partner__placeholder-body {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.partner__placeholder-icon {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--color-border);
}

.partner__placeholder-text {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  font-style: italic;
}

@media (max-width: 1023px) {
  .partners__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .partner__card--placeholder + .partner__card--placeholder {
    display: none;
  }
}

@media (max-width: 639px) {
  .partners__grid {
    grid-template-columns: 1fr;
  }

  .partner__card--placeholder {
    display: none;
  }
}

/* ========================================
   Contact Section
   ======================================== */
.contact__content {
  max-width: 32rem;
}

.contact__text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.contact__link-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-subtle);
  transition: color var(--transition-fast);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text);
}

/* ========================================
   Mobile Navigation Overlay
   ======================================== */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: none;
  flex-direction: column;
  background-color: var(--color-bg);
  padding-top: var(--header-height);
  transition: background-color var(--transition-base);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

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

/* ========================================
   Animations
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
   Responsive - Tablet (640px+)
   ======================================== */
@media (min-width: 640px) {
  .hero__title {
    font-size: var(--text-6xl);
  }
  
  .experience__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   Responsive - Desktop (1024px+)
   ======================================== */
@media (min-width: 1024px) {
  .about__content {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  
  .experience__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

.hero {
  position: relative;
  overflow: hidden;
  user-select: none;
  background-color: var(--color-bg);
  transition: background-color var(--transition-base);
}

/* Dark mode: restore the theme's own accent (already contrast-safe on near-black) */
[data-theme="dark"] .hero .hero__title-accent,
[data-theme="dark"] .hero .hero__cta {
  color: var(--color-accent);
}

[data-theme="dark"] .hero .hero__cta:hover {
  color: var(--color-accent-hover, #fbbf24);
}

[data-theme="dark"] .hero .hero__cursor {
  background-color: var(--color-accent);
}

.hero .container {
  position: relative;
  z-index: 1;
}

/* ========================================
   Hero - Watermark & Logo Build + Loop
   ======================================== */
.hero__watermark {
  position: absolute;
  right: max(0px, calc((100% - var(--max-width)) / 2));
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  max-width: 560px;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* Wireframe — no fill, stroke only */
/*
  transparent fill (not 'none') so isPointInFill() hit-tests the full shape area.
  pointer-events handled by the hero mousemove listener, not directly on paths.
*/
.wm-path {
  fill: transparent;
  stroke: var(--color-accent);
  stroke-width: 0.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  stroke-opacity: 0;
}

/* Draw each path's outline once on load; hover interaction handled by JS */
@keyframes wmDraw {
  0%   { stroke-dashoffset: 2000; stroke-opacity: 0;    }
  12%  {                           stroke-opacity: 0.9;  }
  100% { stroke-dashoffset: 0;    stroke-opacity: 0.22; }
}

.wm-path--1 { animation: wmDraw 0.9s  cubic-bezier(0.4, 0, 0.2, 1) 0.10s forwards; }
.wm-path--2 { animation: wmDraw 0.8s  cubic-bezier(0.4, 0, 0.2, 1) 0.35s forwards; }
.wm-path--3 { animation: wmDraw 0.7s  cubic-bezier(0.4, 0, 0.2, 1) 0.55s forwards; }
.wm-path--4 { animation: wmDraw 0.6s  cubic-bezier(0.4, 0, 0.2, 1) 0.72s forwards; }
.wm-path--5 { animation: wmDraw 0.6s  cubic-bezier(0.4, 0, 0.2, 1) 0.88s forwards; }
.wm-path--6 { animation: wmDraw 0.5s  cubic-bezier(0.4, 0, 0.2, 1) 1.00s forwards; }
.wm-path--7 { animation: wmDraw 0.45s cubic-bezier(0.4, 0, 0.2, 1) 1.12s forwards; }
.wm-path--8 { animation: wmDraw 0.4s  cubic-bezier(0.4, 0, 0.2, 1) 1.22s forwards; }


@media (max-width: 1023px) {
  .hero__watermark {
    width: 75%;
    right: 0%;
  }
}

@media (max-width: 639px) {
  .hero__watermark {
    width: 90%;
    right: -25%;
  }
}

/* ========================================
   Hero - Typewriter & Cursor
   ======================================== */
.hero__cursor {
  display: inline-block;
  width: 3px;
  height: 0.82em;
  background-color: var(--color-accent);
  vertical-align: -0.04em;
  border-radius: 1px;
  margin-left: 2px;
}

.hero__cursor--blink {
  animation: heroCursorBlink 1s step-end infinite;
}

@keyframes heroCursorBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ========================================
   Hero - Sequenced Reveal Animations
   ======================================== */
.hero__title-accent--anim,
.hero__item-anim {
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity 0.55s ease var(--anim-delay, 0ms),
              transform 0.55s ease var(--anim-delay, 0ms);
}

.hero__title-accent--anim {
  transform: none;
  transition: opacity 0.7s ease;
}

.hero__title-accent--anim.is-visible,
.hero__item-anim.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Experience Cards - Staggered Entrance
   ======================================== */
.experience__item.fade-in:nth-child(2) { transition-delay: 110ms; }
.experience__item.fade-in:nth-child(3) { transition-delay: 220ms; }
.experience__item.fade-in:nth-child(4) { transition-delay: 330ms; }

/* ========================================
   Responsive - Mobile (<640px)
   ======================================== */
@media (max-width: 639px) {
  .header__nav-list {
    display: none;
  }
  
  .header__menu-btn {
    display: flex;
  }
  
  .hero {
    padding: var(--space-16) 0 var(--space-20);
  }
  
  .hero__title {
    font-size: var(--text-4xl);
  }
  
  .hero__subtitle {
    font-size: var(--text-lg);
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .section__title {
    font-size: var(--text-2xl);
  }
  
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}