/* ============================================================
   VARIABLES & RESET
============================================================ */
:root {
  --accent:          #ff176b;
  --accent-dim:      #FFE0EB;
  --bg-card:         #F0EDEC;
  --bg-inset:        #F5F2F1;
  --bg-page:         #FFFFFF;
  --border:          #E0DADA;
  --border-accent:   #FFB3CC;
  --text-primary:    #1a1a1a;
  --text-secondary:  #4A4A4A;
  --text-tertiary:   #777777;
  --text-muted:      #999999;

  --font-heading: 'Michroma', sans-serif;
  --font-body:    'Inter', sans-serif;

  --max-w: 1600px;
  --pad-x: clamp(24px, 4vw, 56px);

  --radius: 8px;
  --transition: 0.3s ease;
}

:root[data-theme='dark'] {
  --accent:          #ff5b94;
  --accent-dim:      #3c1725;
  --bg-card:         #1d1a1b;
  --bg-inset:        #252122;
  --bg-page:         #121011;
  --border:          #3b3335;
  --border-accent:   #7d3550;
  --text-primary:    #f5edeb;
  --text-secondary:  #c9bcba;
  --text-tertiary:   #a1918f;
  --text-muted:      #7f7371;
}

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

html {
  scroll-behavior: smooth;
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

img, picture { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ============================================================
   TYPOGRAPHY HELPERS
============================================================ */
.text-lead {
  font-family: var(--font-body);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

.text-body {
  font-family: var(--font-body);
  font-size: clamp(13px, 1.2vw, 15px);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-accent {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ============================================================
   TAGS
============================================================ */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 6px 14px;
  transition: border-color var(--transition);
}

.tag--accent {
  border-color: var(--border-accent);
  background: transparent;
}

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

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius);
  transition: opacity var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn--accent:hover { opacity: 0.88; transform: translateY(-1px); }

.btn--full { width: 100%; max-width: 320px; }

/* ============================================================
   SEPARATOR
============================================================ */
.sep {
  height: 1px;
  background: linear-gradient(90deg, #FFFFFF 0%, #ff176b40 50%, #FFFFFF 100%);
}

/* ============================================================
   HEADER
============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.logo__text {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Nav desktop */
.header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.nav__cta {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: #fff;
  background: var(--accent);
  padding: 8px 16px;
  transition: opacity var(--transition);
}

.nav__cta:hover { opacity: 0.85; }

.theme-switcher {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-switcher__btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-page);
  color: var(--text-secondary);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), color var(--transition), background var(--transition);
}

.theme-switcher__btn:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.theme-switcher__btn.is-active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.theme-switcher__btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-switcher__btn--link {
  text-decoration: none;
}

.theme-switcher--mobile {
  display: none;
  padding-top: 4px;
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
  padding: 16px var(--pad-x);
  gap: 16px;
  background: var(--bg-page);
}

.nav__mobile.open { display: flex; }

.nav__mobile .nav__link,
.nav__mobile .nav__cta {
  font-size: 13px;
  letter-spacing: 1px;
}

/* ============================================================
   SECTIONS
============================================================ */
.section {
  padding: 100px 0;
}

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

.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section__inner--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.section__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 16px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -3px;
  line-height: 0.9;
  margin-bottom: 30px;
}

.section__title--wide {
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -3px;
  line-height: 0.95;
  margin-bottom: 48px;
}

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  gap: 80px;
  align-items: start;
}

.two-col__left {
  position: sticky;
  top: 120px;
}

.two-col__right {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.two-col__right--center {
  align-items: center;
}

/* Prevent overlap in stack heading */
#stack .two-col {
  grid-template-columns: minmax(420px, 0.95fr) minmax(0, 1.05fr);
  gap: 64px;
}

#stack .section__title {
  font-size: clamp(34px, 4.5vw, 62px);
  line-height: 0.95;
}

/* ============================================================
   HERO
============================================================ */
.hero {
  background: #e3dbd9;
  padding: 100px var(--pad-x) 120px;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.hero__label {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__label-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 0;
  flex-shrink: 0;
}

.hero__label-text {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(72px, 11vw, 160px);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -6px;
  line-height: 0.85;
  animation: heroFadeUp 1s ease both;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__mid {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
}

.hero__desc {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 500px;
}

.hero__stats {
  display: flex;
  gap: 48px;
  flex-shrink: 0;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero__stat-value {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.hero__stat-label {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--text-tertiary);
}

/* Rotating phrase */
.hero__rotating {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 32px;
}

.hero__rotating::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}

.hero__rotating-phrase {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-tertiary);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.hero__rotating-phrase.fade-out {
  opacity: 0;
  transform: translateY(-8px);
}

.hero__rotating-phrase.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   TIMELINE
============================================================ */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tl-card {
  background: var(--bg-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition);
}

.tl-card:hover { transform: translateY(-3px); }

.tl-card--accent { background: var(--accent); }

.tl-card__year {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.tl-card__year--white { color: #fff; }

.tl-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.tl-card__title--white { color: #fff; }

.tl-card__desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.tl-card__desc--white { color: rgba(255,255,255,0.85); }

/* ============================================================
   ECOMMERCE
============================================================ */
.ecom-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 80px;
  margin-bottom: 48px;
}

.ecom-desc {
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 4px;
}

.ecom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.ecom-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--bg-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--transition);
}

.card:hover { transform: translateY(-2px); }

.card__label {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
}

.card__text {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.6;
}

.api-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 16px;
}

.api-row__info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.api-row__title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.api-row__desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   WP SECURITY / BOOK COVER
============================================================ */
.two-col--security {
  align-items: center;
}

#security .two-col__right {
  align-items: flex-end;
  justify-self: end;
}

.book-cover {
  width: 320px;
  height: 440px;
  background: #1a1a1a;
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px 28px 28px;
  position: relative;
  overflow: hidden;
}

.book-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #ff176b15 0%, transparent 60%);
  pointer-events: none;
}

.book-cover__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.book-cover__badge {
  display: inline-flex;
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 4px;
  letter-spacing: 1px;
}

.book-cover__stripe {
  width: 40px;
  height: 3px;
  background: var(--accent);
}

.book-cover__title {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.book-cover__subtitle {
  font-family: var(--font-body);
  font-size: 12px;
  color: #999;
  line-height: 1.5;
}

.book-cover__footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.book-cover__line {
  width: 100%;
  height: 1px;
  background: rgba(255,23,107,0.2);
}

.book-cover__author {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 1px;
}

/* ============================================================
   IA FLOW
============================================================ */
.ia-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ia-step {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  padding: 14px 20px;
  transition: transform var(--transition);
}

.ia-step:hover { transform: translateX(4px); }

.ia-step--accent { background: var(--accent); }
.ia-step--border { border: 1px solid var(--border-accent); }

.ia-step__num {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  width: 28px;
}

.ia-step__num--dark  { color: #0A0F1C; }
.ia-step__num--white { color: #fff; }

.ia-step__title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.ia-step__title--dark  { color: #0A0F1C; }
.ia-step__title--white { color: #fff; }

.ia-step__tool {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 400;
  color: var(--text-tertiary);
  margin-left: auto;
}

.ia-step__tool--white { color: rgba(255,255,255,0.5); }

.ia-step__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.ia-step__subtags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding-left: 0;
}

.ia-step__subtag {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(10,15,28,0.18);
  color: #0A0F1C;
}

.ia-step__subtag--dark {
  background: rgba(10,15,28,0.18);
  color: #0A0F1C;
}

.ia-step__arrow {
  padding: 2px 0 2px 40px;
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--accent);
}

/* ============================================================
   EMPRESAS
============================================================ */
.emp-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
}

.emp-row {
  display: flex;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  transition: background var(--transition);
}

.emp-row:hover { background: var(--bg-inset); }
.emp-row:hover { padding-left: 8px; transition: padding-left 0.3s ease, background 0.3s ease; }

.emp-row__year {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  min-width: 110px;
  padding-top: 2px;
  flex-shrink: 0;
}

.emp-row__info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.emp-row__name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.emp-row__desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Category grid */
.cat-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 32px;
}

.cat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ============================================================
   CÓMO TRABAJO
============================================================ */
.como-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 80px;
  margin-bottom: 48px;
}

.como-desc {
  max-width: 500px;
  padding-bottom: 6px;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.principle-card {
  background: var(--bg-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--transition);
}

.principle-card:hover { transform: translateY(-3px); }

.principle-card__num {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

.principle-card__title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================================================
   TECH CLOUD
============================================================ */
.tech-label {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: 20px;
}

.tech-cloud {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tech-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.tech-word {
  font-family: var(--font-heading);
  color: var(--text-secondary);
  transition: color var(--transition);
  cursor: default;
  line-height: 1.2;
}

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

.tech-word--lg  { font-size: clamp(16px, 2.2vw, 22px); font-weight: 700; color: var(--text-primary); }
.tech-word--md  { font-size: clamp(13px, 1.6vw, 18px); font-weight: 600; color: var(--text-secondary); }
.tech-word--sm  { font-size: clamp(11px, 1.2vw, 14px); font-weight: 500; color: var(--text-tertiary); }
.tech-word--accent { color: var(--accent) !important; }

/* ============================================================
   PERSONAL
============================================================ */
.personal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.personal-card {
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition);
}

.personal-card:hover { transform: translateY(-4px); }

.personal-card__img {
  height: 260px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
}

.personal-card__body {
  padding: 20px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.personal-card__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.personal-card__desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   DOWNLOADS
============================================================ */
.downloads-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 80px;
  margin-bottom: 40px;
}

.downloads-desc {
  max-width: 540px;
  padding-bottom: 6px;
}

.downloads-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition), border-color var(--transition);
}

.download-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
}

.download-card__title {
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.2;
  color: var(--text-primary);
}

.download-card__desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 8px;
}

/* ============================================================
   CTA
============================================================ */
.section--cta {
  padding: 120px 0;
}

.cta__title {
  font-family: var(--font-heading);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 800;
  letter-spacing: -4px;
  color: var(--accent);
  text-align: center;
}

.cta__desc {
  font-family: var(--font-body);
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--text-secondary);
  line-height: 1.7;
  text-align: center;
  max-width: 640px;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--bg-page);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__nav {
  display: flex;
  gap: 24px;
}

.footer__link {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--text-tertiary);
  transition: color var(--transition);
}

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

.footer__line {
  height: 1px;
  background: var(--border);
}

.footer__bot {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy,
.footer__made {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 400;
  color: var(--text-muted);
}

:root[data-theme='dark'] body {
  color-scheme: dark;
}

:root[data-theme='dark'] .header {
  background: rgba(18, 16, 17, 0.92);
}

:root[data-theme='dark'] .nav__mobile {
  background: #151213;
}

:root[data-theme='dark'] .hero {
  background: #231d1e;
}

:root[data-theme='dark'] .sep {
  background: linear-gradient(90deg, transparent 0%, rgba(255, 91, 148, 0.35) 50%, transparent 100%);
}

:root[data-theme='dark'] .book-cover {
  background: #0f0d0d;
}

:root[data-theme='dark'] .personal-card__img {
  filter: saturate(0.9) brightness(0.88);
}

:root[data-theme='dark'] .tl-card__desc--white,
:root[data-theme='dark'] .ia-step__tool--white {
  color: rgba(255,255,255,0.72);
}

/* ============================================================
   AOS CUSTOM OVERRIDES
============================================================ */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1200px) {
  .two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
  }

  #stack .two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }

  #stack .section__title {
    font-size: clamp(30px, 3.8vw, 52px);
  }

  .timeline-grid        { grid-template-columns: repeat(2, 1fr); }
  .principles-grid      { grid-template-columns: repeat(3, 1fr); }
  .ecom-grid            { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1100px) {
  #stack .two-col {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  #stack .two-col__left,
  #stack .two-col__right {
    width: 100%;
  }

  #stack .two-col__left {
    position: static;
  }

  #stack .section__title {
    width: 100%;
    max-width: none;
    margin-bottom: 16px;
  }
}

@media (max-width: 900px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  #security .two-col__right {
    align-items: center;
    justify-self: stretch;
  }

  .two-col__left { position: static; }

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

  .hero__stats {
    gap: 32px;
  }

  .ecom-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 32px;
  }

  .ecom-grid { grid-template-columns: 1fr; }

  .como-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .downloads-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
  }

  .downloads-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav { display: none; }
  .nav__toggle { display: flex; }

  .header__actions {
    margin-left: auto;
    gap: 12px;
  }

  .theme-switcher {
    display: none;
  }

  .theme-switcher--mobile {
    display: flex;
  }

  .section { padding: 72px 0; }

  .section__title        { letter-spacing: -2px; }
  .section__title--wide  { font-size: clamp(30px, 6vw, 48px); }

  .hero { padding: 72px var(--pad-x) 80px; gap: 32px; }

  .hero__title { letter-spacing: -4px; }

  .timeline-grid   { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-row         { grid-template-columns: 1fr; }
  .personal-grid   { grid-template-columns: 1fr; }

  .emp-row {
    flex-direction: column;
    gap: 8px;
  }

  .cta__title { letter-spacing: -2px; }

  .cta__desc br { display: none; }

  .footer__nav { display: none; }

  .api-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .hero__stats { flex-direction: column; gap: 16px; }
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .tech-row { gap: 10px; }
}