/* ============================================
   ONISM — Stylesheet
   Syne (headings) + DM Sans (body)
   Dark minimal, warm stone accent
   Light/dark mode via [data-theme]
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&display=swap');

/* --- Dark mode (default) --- */
:root {
  --bg:          #181C22;
  --bg-surface:  #1F2330;
  --bg-card:     #252A38;
  --text:        #D0CBC2;
  --text-2:      #8C887F;
  --text-3:      #50504C;
  --accent:      #C4A97A;
  --accent-dim:  #9E8660;
  --border:      rgba(255,255,255,0.07);
  --border-md:   rgba(255,255,255,0.13);
  --bg-nav:      rgba(24,28,34,0.96);
  --btn-text:    #12151A;

  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --max:    1160px;
  --prose:   700px;
  --radius:    2px;
}

/* --- Light mode --- */
[data-theme="light"] {
  --bg:         #FAFAF8;
  --bg-surface: #F2EFE9;
  --bg-card:    #FFFFFF;
  --text:       #1C1917;
  --text-2:     #6B6460;
  --text-3:     #A09890;
  --accent:     #9E6F3A;
  --accent-dim: #7D5730;
  --border:     rgba(0,0,0,0.08);
  --border-md:  rgba(0,0,0,0.15);
  --bg-nav:     rgba(250,250,248,0.96);
  --btn-text:   #FFFFFF;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.25s, color 0.25s;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input { font-family: inherit; }

.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;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.08;
  color: var(--text);
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  letter-spacing: -0.03em;
  line-height: 1.06;
}
h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: -0.02em;
}
h3 {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  letter-spacing: -0.01em;
}
h4 { font-size: 1rem; font-weight: 600; letter-spacing: 0; }

p { line-height: 1.75; color: var(--text-2); }
p + p { margin-top: 1.2em; }
strong { font-weight: 500; color: var(--text); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

.section        { padding-block: 5rem; }
.section--lg    { padding-block: 8rem; }
.section--sm    { padding-block: 3rem; }

/* --- Nav --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.25s, border-color 0.25s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 1rem;
}

.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.05em;
  color: var(--text);
  flex-shrink: 0;
}
.nav-logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2.25rem;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--text); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* --- Theme Toggle --- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--text);
  border-color: var(--border-md);
  background: var(--bg-surface);
}

/* Show moon in dark mode, sun in light mode */
.icon-moon { display: block; }
.icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: block; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  transition: 0.2s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}
.nav-mobile a {
  padding: 1rem 1.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--text); }
.nav-mobile.is-open { display: flex; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
  transition: all 0.2s;
  white-space: nowrap;
}

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

.btn--ghost {
  border: 1px solid var(--border-md);
  color: var(--text-2);
}
.btn--ghost:hover { border-color: var(--border-md); color: var(--text); }

.link-quiet {
  font-size: 0.85rem;
  color: var(--text-2);
  text-decoration: underline;
  text-decoration-color: var(--border-md);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.link-quiet:hover { color: var(--text); text-decoration-color: var(--text-2); }

/* --- Hero --- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
  filter: grayscale(100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(24,28,34,0) 0%,
    rgba(24,28,34,0.6) 55%,
    rgba(24,28,34,1) 100%
  );
}
[data-theme="light"] .hero-bg::after {
  background: linear-gradient(
    160deg,
    rgba(250,250,248,0) 0%,
    rgba(250,250,248,0.75) 55%,
    rgba(250,250,248,1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 { margin-bottom: 1.5rem; }

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* --- Section Header --- */
.section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-head { margin-bottom: 3rem; }
.section-head h2 { margin-bottom: 0.6rem; }
.section-head p { max-width: 460px; font-size: 0.95rem; }

/* --- Post Cards Grid --- */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.post-card {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  transition: background 0.25s;
}
.post-card:hover { background: var(--bg-surface); }

.post-card__img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-card);
}
.post-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) brightness(0.85);
  transition: filter 0.4s, transform 0.5s;
}
.post-card:hover .post-card__img img {
  filter: grayscale(0%) brightness(1);
  transform: scale(1.04);
}

.post-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.post-card__date {
  font-size: 0.72rem;
  color: var(--text-3);
}

.post-card h3 {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.post-card p {
  font-size: 0.875rem;
  line-height: 1.72;
  flex: 1;
  margin-bottom: 1.5rem;
}

.read-more {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border-md);
  padding-bottom: 2px;
  align-self: flex-start;
  transition: color 0.2s, border-color 0.2s;
}
.read-more:hover { color: var(--accent); border-color: var(--accent); }

/* --- Newsletter Strip --- */
.nl-strip {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: 4rem;
}

.nl-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.nl-strip__copy h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  margin-bottom: 0.4rem;
}
.nl-strip__copy p { font-size: 0.9rem; }

.nl-form { display: flex; gap: 0; flex-shrink: 0; }

.nl-form input {
  width: 260px;
  padding: 0.75rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  border-right: none;
  color: var(--text);
  font-size: 0.875rem;
  border-radius: var(--radius) 0 0 var(--radius);
  outline: none;
  transition: border-color 0.2s;
}
.nl-form input::placeholder { color: var(--text-3); }
.nl-form input:focus { border-color: var(--accent); }

.nl-form button {
  padding: 0.75rem 1.4rem;
  background: var(--accent);
  color: var(--btn-text);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background 0.2s;
  white-space: nowrap;
}
.nl-form button:hover { background: var(--accent-dim); }

/* --- Footer --- */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: 2.75rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.04em;
}
.footer-logo .dot { color: var(--accent); }

.footer-links { display: flex; gap: 1.75rem; }
.footer-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-3);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

.footer-copy { font-size: 0.75rem; color: var(--text-3); }

/* --- Blog Index --- */
.page-hero {
  padding-block: 5rem;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { margin-bottom: 0.75rem; }
.page-hero p { font-size: 1rem; max-width: 480px; }

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  padding-block: 5rem;
  align-items: start;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.post-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--bg);
  transition: background 0.25s;
  text-decoration: none;
}
.post-row:hover { background: var(--bg-surface); }

.post-row__img {
  overflow: hidden;
  background: var(--bg-card);
  aspect-ratio: 4/3;
}
.post-row__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) brightness(0.85);
  transition: filter 0.35s, transform 0.45s;
}
.post-row:hover .post-row__img img {
  filter: grayscale(0%) brightness(1);
  transform: scale(1.05);
}

.post-row__body {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-row__meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.6rem;
}

.post-row__body h2 {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  margin-bottom: 0.6rem;
  line-height: 1.2;
}
.post-row__body p { font-size: 0.865rem; line-height: 1.68; margin-bottom: 0.9rem; }

/* --- Sidebar --- */
.sidebar { position: sticky; top: 82px; }

.sidebar-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
}

.sidebar-block__label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}

.sidebar-block p { font-size: 0.85rem; line-height: 1.7; margin-bottom: 1rem; }

.sidebar-nl-form { display: flex; flex-direction: column; gap: 0.5rem; }

.sidebar-nl-form input {
  padding: 0.65rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  color: var(--text);
  font-size: 0.875rem;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}
.sidebar-nl-form input::placeholder { color: var(--text-3); }
.sidebar-nl-form input:focus { border-color: var(--accent); }

.sidebar-nl-form button {
  padding: 0.65rem 1rem;
  background: var(--accent);
  color: var(--btn-text);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.sidebar-nl-form button:hover { background: var(--accent-dim); }

.topic-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.topic-tag {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius);
  transition: all 0.2s;
}
.topic-tag:hover { border-color: var(--accent); color: var(--accent); }

/* --- About Page --- */
.about-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 5rem;
  align-items: start;
  padding-block: 5rem;
}

.about-img {
  aspect-ratio: 2/3;
  overflow: hidden;
  background: var(--bg-card);
  position: sticky;
  top: 82px;
}
.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) brightness(0.9);
}

.about-content p {
  font-size: 1.05rem;
  line-height: 1.82;
  margin-bottom: 1.5rem;
}

hr.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin-block: 2.5rem;
}

/* --- Newsletter Page --- */
.nl-page-wrap {
  max-width: 600px;
  margin-inline: auto;
  padding-block: 7rem;
}

.nl-page-wrap h1 { margin-bottom: 1.5rem; }
.nl-page-wrap p { font-size: 1.05rem; line-height: 1.8; margin-bottom: 1.25rem; }

.nl-bullets {
  margin: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: 1.5rem;
}

.nl-bullets li {
  font-size: 0.9rem;
  color: var(--text-2);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
}
.nl-bullets li:last-child { border-bottom: none; }
.nl-bullets li::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.55em;
}

.nl-big-form { display: flex; gap: 0; margin-top: 2.5rem; margin-bottom: 0.75rem; }

.nl-big-form input {
  flex: 1;
  padding: 0.9rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  border-right: none;
  color: var(--text);
  font-size: 0.9rem;
  border-radius: var(--radius) 0 0 var(--radius);
  outline: none;
  transition: border-color 0.2s;
}
.nl-big-form input:focus { border-color: var(--accent); }
.nl-big-form input::placeholder { color: var(--text-3); }

.nl-big-form button {
  padding: 0.9rem 1.75rem;
  background: var(--accent);
  color: var(--btn-text);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background 0.2s;
}
.nl-big-form button:hover { background: var(--accent-dim); }

.fine-print { font-size: 0.75rem; color: var(--text-3); }

/* --- Blog Post --- */
.post-header {
  padding-top: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  max-width: var(--prose);
}

.post-header .tag { display: inline-block; margin-bottom: 1rem; }
.post-header h1 {
  margin-bottom: 1.25rem;
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.post-meta { font-size: 0.78rem; color: var(--text-3); }

.post-hero-img {
  width: 100%;
  overflow: hidden;
  background: #181C22;
  margin-top: 3rem;
  margin-bottom: 3.5rem;
}
.post-hero-img img {
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
  display: block;
}
.post-hero-img svg {
  width: 100%;
  height: auto;
  display: block;
}

.post-body {
  max-width: var(--prose);
  padding-bottom: 5rem;
}

.post-body h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  letter-spacing: -0.015em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}
.post-body h3 {
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}
.post-body p {
  font-size: 1.06rem;
  line-height: 1.82;
  color: var(--text-2);
  margin-bottom: 1.4rem;
}
.post-body strong { font-weight: 500; color: var(--text); }
.post-body ul,
.post-body ol {
  margin-bottom: 1.4rem;
  padding-left: 1.4rem;
  list-style: revert;
}
.post-body li {
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--text-2);
  margin-bottom: 0.4rem;
}

.post-footer {
  border-top: 1px solid var(--border);
  padding-block: 3rem;
  max-width: var(--prose);
}

.post-cta {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.post-cta__copy h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.post-cta__copy p { font-size: 0.875rem; }

/* --- Article extras --- */
blockquote {
  border-left: 3px solid var(--accent);
  margin: 2.5rem 0;
  padding: 1rem 1.5rem;
  background: var(--bg-surface);
}
blockquote p {
  font-size: 1.1rem !important;
  font-style: italic;
  color: var(--text) !important;
  margin: 0 !important;
  line-height: 1.65 !important;
}

.ad-slot {
  background: var(--bg-surface);
  border: 1px dashed var(--border-md);
  color: var(--text-3);
  font-size: 0.75rem;
  text-align: center;
  padding: 1.5rem;
  margin: 2rem 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- Shop --- */
.shop-hero { padding-block: 5rem; border-bottom: 1px solid var(--border); }
.shop-hero h1 { margin-bottom: 0.75rem; }
.shop-hero p { font-size: 1rem; max-width: 480px; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
  margin-block: 4rem;
}

.product-card {
  background: var(--bg);
  padding: 2.5rem;
  transition: background 0.25s;
}
.product-card:hover { background: var(--bg-surface); }

.product-card h3 { font-size: 1.2rem; margin-bottom: 0.35rem; }
.product-card__price {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}
.product-card p { font-size: 0.9rem; margin-bottom: 1.5rem; }

.bundle-section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 3rem;
  margin-bottom: 4rem;
}
.bundle-section h2 { margin-bottom: 0.65rem; }
.bundle-section p { margin-bottom: 2rem; }

/* --- Responsive --- */
@media (max-width: 960px) {
  .posts-grid { grid-template-columns: 1fr; }
  .blog-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .sidebar { position: static; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-img { aspect-ratio: 16/9; position: static; }
  .nl-strip__inner { flex-direction: column; align-items: flex-start; }
  .products-grid { grid-template-columns: 1fr; }
  .post-cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .nav-links    { display: none; }
  .nav-hamburger{ display: flex; }
  .hero         { min-height: 85vh; padding-bottom: 4rem; }
  .hero-ctas    { flex-direction: column; align-items: flex-start; }

  .post-row     { grid-template-columns: 1fr; }
  .post-row__img { aspect-ratio: 16/9; }

  .nl-form      { flex-direction: column; width: 100%; }
  .nl-form input { width: 100%; border-right: 1px solid var(--border-md); border-bottom: none; border-radius: var(--radius); }
  .nl-form button { border-radius: var(--radius); }

  .nl-big-form { flex-direction: column; }
  .nl-big-form input { border-right: 1px solid var(--border-md); border-bottom: none; border-radius: var(--radius); }
  .nl-big-form button { border-radius: var(--radius); }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .post-cta { padding: 1.5rem; }
}