/* =========================================================================
   SILVANA GÓMEZ TRUJILLO — Psicología Aeronáutica
   Sistema de diseño / Prototipo de la home
   Referencias: ctsengines.com (autoridad cinematográfica, detalle técnico)
                lpa-aero.org  (claridad, verbos, CTA rotundo, diagonales)
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. TOKENS  →  en Elementor van a Site Settings > Global Colors / Fonts
   ------------------------------------------------------------------------- */
:root {
  /* Marca — extraída de sus piezas existentes */
  --navy-950: #061229;   /* fondo hero, overlays               */
  --navy-900: #0A1E43;   /* fondos oscuros                     */
  --navy-800: #0E2A5C;   /* PRIMARIO de marca                  */
  --blue-600: #1E5AA8;   /* secundario                         */
  --blue-500: #2E75CE;   /* enlaces, hover                     */
  --sky-400:  #5BC8F5;   /* acento claro, íconos sobre oscuro  */
  --sky-100:  #DCEEFB;   /* fondos suaves                      */
  --magenta:  #C2185B;   /* ACENTO / CTA — el "amarillo" de CTS */
  --magenta-d:#9E1149;

  /* Neutros */
  --ink:   #16202E;
  --muted: #5C6E85;
  --line:  #DDE5EF;
  --mist:  #F3F7FC;
  --paper: #FFFFFF;

  /* Tipografía */
  --display: 'Oswald', 'Haettenschweiler', 'Arial Narrow', sans-serif;
  --body:    'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Ritmo */
  --wrap: 1240px;
  --gut: clamp(20px, 5vw, 56px);
  --sec: clamp(64px, 9vw, 128px);   /* padding vertical de sección */

  --shadow-sm: 0 2px 8px rgba(10, 30, 67, .06);
  --shadow-md: 0 12px 32px rgba(10, 30, 67, .10);
  --shadow-lg: 0 24px 64px rgba(10, 30, 67, .16);
}

/* -------------------------------------------------------------------------
   2. BASE
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.68;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: .98;
  letter-spacing: .005em;
  text-transform: uppercase;
  margin: 0;
}

h1 { font-size: clamp(46px, 7.4vw, 104px); font-weight: 700; }
h2 { font-size: clamp(34px, 4.6vw, 62px); }
h3 { font-size: clamp(20px, 2vw, 26px); }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

/* Micro-etiqueta con interletrado amplio — firma visual de CTS */
.eyebrow {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before {
  content: '';
  width: 34px; height: 2px;
  background: var(--magenta);
  flex: none;
}
.eyebrow.is-light { color: var(--sky-400); }
.eyebrow.is-center { justify-content: center; }

.lead { font-size: clamp(17px, 1.45vw, 20px); color: var(--muted); }
.section { padding-block: var(--sec); }
.section--mist { background: var(--mist); }
.section--navy { background: var(--navy-900); color: #E8F0FA; }
.section--navy .lead { color: #A9C0DC; }

/* -------------------------------------------------------------------------
   3. BOTONES
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn:hover { transform: translateY(-2px); }

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

.btn--ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }

.btn--outline { border-color: var(--navy-800); color: var(--navy-800); }
.btn--outline:hover { background: var(--navy-800); color: #fff; }

.btn--lg { padding: 19px 46px; font-size: 14px; }

/* Enlace con flecha */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--blue-600);
}
.arrow-link span { transition: transform .2s; }
.arrow-link:hover span { transform: translateX(5px); }

/* -------------------------------------------------------------------------
   4. BARRA SUPERIOR + CABECERA
   ------------------------------------------------------------------------- */
.topbar {
  background: var(--navy-950);
  color: #9FB6D4;
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 38px;
}
.topbar a:hover { color: #fff; }
.topbar__right { display: flex; align-items: center; gap: 22px; }

.langswitch { display: flex; align-items: center; gap: 6px; font-weight: 600; }
.langswitch button {
  background: none; border: 0; cursor: pointer; padding: 3px 5px;
  font: inherit; letter-spacing: .1em; color: #7B93B4;
}
.langswitch button.is-on { color: var(--sky-400); }
.langswitch i { color: #34496A; font-style: normal; }

.header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(8, 22, 48, .93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.09);
  color: #fff;
}
.header__inner {
  display: flex; align-items: center; gap: 30px;
  min-height: 82px;
}

.brand { display: block; margin-right: auto; }
.brand__name {
  font-family: var(--display);
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  line-height: 1.05;
}
.brand__role {
  font-size: 9.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sky-400);
  margin-top: 4px;
  white-space: nowrap;
}
.footer .brand__role { white-space: normal; }

.nav { display: flex; gap: 28px; }
.nav a {
  font-size: 13px; font-weight: 500; letter-spacing: .06em;
  text-transform: uppercase; color: #D5E3F5; white-space: nowrap;
  padding-block: 6px; border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.nav a:hover, .nav a.is-active { color: #fff; border-color: var(--magenta); }

.header .btn { padding: 12px 24px; font-size: 11.5px; }

.burger {
  display: none; background: none; border: 0; cursor: pointer;
  padding: 8px; color: #fff;
}
.burger span {
  display: block; width: 24px; height: 2px; background: currentColor; margin: 5px 0;
}

/* -------------------------------------------------------------------------
   5. HERO — imagen a sangre + marcas de encuadre tipo HUD (CTS)
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(86vh, 780px);
  display: flex; align-items: center;
  color: #fff;
  overflow: hidden;
  background: var(--navy-950);
}
.hero__media { position: absolute; inset: 0; background: var(--navy-950); }
.hero__media img,
.hero__media video {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%;
  opacity: .62;
}
.hero__media::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, var(--navy-950) 6%, rgba(6,18,41,.86) 42%, rgba(6,18,41,.35) 100%),
    linear-gradient(0deg, rgba(6,18,41,.92) 0%, transparent 46%);
}

/* Corchetes de encuadre */
.hero__frame {
  position: absolute; inset: clamp(18px, 3vw, 40px);
  pointer-events: none;
}
.hero__frame i {
  position: absolute; width: 26px; height: 26px;
  border: 1px solid rgba(255,255,255,.4);
}
.hero__frame i:nth-child(1) { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.hero__frame i:nth-child(2) { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.hero__frame i:nth-child(3) { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.hero__frame i:nth-child(4) { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.hero__inner { position: relative; z-index: 2; padding-block: clamp(72px, 11vw, 120px); }
.hero__copy { max-width: 720px; }
.hero h1 { margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--sky-400); }
.hero__sub {
  font-size: clamp(16px, 1.45vw, 19px);
  color: #C3D6EE;
  max-width: 610px;
  margin-bottom: 34px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* Tira de credenciales al pie del hero */
.creds {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255,255,255,.14);
  background: var(--navy-900);
}
.creds__inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: rgba(255,255,255,.12);
}
.creds__item {
  background: rgba(6,18,41,.72);
  padding: 22px var(--gut);
  color: #CFE0F4;
}
.creds__k {
  font-family: var(--display); font-size: 25px; font-weight: 600;
  color: var(--sky-400); line-height: 1;
}
.creds__v {
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
  margin-top: 8px; color: #93AECC;
}

/* -------------------------------------------------------------------------
   6. BARRA DE CONFIANZA
   ------------------------------------------------------------------------- */
.trust { background: var(--paper); border-bottom: 1px solid var(--line); }
.trust__inner {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: clamp(24px, 5vw, 64px); padding-block: 34px;
}
.trust__label {
  font-size: 11.5px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; flex: none;
}
.trust__logos {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: clamp(22px, 4vw, 52px);
}
.trust__logos span {
  font-family: var(--display); font-size: clamp(16px, 1.7vw, 21px);
  font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--navy-800); opacity: .55;
  transition: opacity .2s;
}
.trust__logos span:hover { opacity: 1; }

/* -------------------------------------------------------------------------
   7. AUDIENCIAS — dos tarjetas grandes ("Markets we serve" de CTS)
   ------------------------------------------------------------------------- */
.aud { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 52px; }

.aud__card {
  position: relative;
  min-height: 430px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(28px, 3.4vw, 46px);
  color: #fff;
  overflow: hidden;
  background: var(--navy-800);
  isolation: isolate;
}
.aud__card::before {
  content: ''; position: absolute; inset: 0; z-index: -2;
  background: var(--bg, linear-gradient(150deg, var(--navy-800), var(--blue-600)));
  background-size: cover; background-position: center;
  transition: transform .6s cubic-bezier(.2,.7,.3,1);
}
.aud__card::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(0deg, rgba(6,18,41,.94) 10%, rgba(6,18,41,.18) 78%);
}
.aud__card:hover::before { transform: scale(1.05); }

.aud__icon {
  width: 54px; height: 54px; margin-bottom: auto;
  stroke: var(--sky-400); fill: none; stroke-width: 1.4;
}
.aud__card h3 { margin-bottom: 12px; font-size: clamp(24px, 2.4vw, 32px); }
.aud__card p { color: #C3D6EE; font-size: 15.5px; margin-bottom: 20px; }
.aud__card .arrow-link { color: var(--sky-400); }

/* -------------------------------------------------------------------------
   8. MISIÓN — bloque centrado con verbos (LPA)
   ------------------------------------------------------------------------- */
.mission { text-align: center; }
.mission__text {
  max-width: 940px; margin: 0 auto 38px;
  font-size: clamp(21px, 2.5vw, 31px);
  line-height: 1.44;
  font-weight: 300;
  color: var(--ink);
}
.mission__text b {
  font-weight: 700; color: var(--navy-800);
  text-transform: uppercase; font-family: var(--display);
  letter-spacing: .01em;
}
.mission__note { font-size: 13px; color: var(--muted); margin-top: 16px; }

/* -------------------------------------------------------------------------
   9. SPLIT — titular gigante + pilares (CTS "Unlock peak performance")
   ------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 76px); align-items: start; }
.split h2 { color: var(--navy-800); }
.split h2 em { font-style: normal; color: var(--sky-400); }
.pillars {
  margin-top: 22px;
  font-family: var(--display);
  font-size: clamp(20px, 1.9vw, 26px);
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--blue-600);
  line-height: 1.3;
}
.pillars b { color: var(--magenta); font-weight: 600; }

/* Áreas de especialidad — 6 tarjetas numeradas */
.areas {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; margin-top: 60px;
  background: var(--line);
  border: 1px solid var(--line);
}
.area {
  background: var(--paper);
  padding: 34px 30px 32px;
  transition: background .25s;
}
.area:hover { background: var(--mist); }
.area__n {
  font-family: var(--display); font-size: 13px; font-weight: 600;
  letter-spacing: .2em; color: var(--magenta); margin-bottom: 16px;
}
.area h3 { color: var(--navy-800); font-size: 19px; margin-bottom: 10px; }
.area p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }

/* -------------------------------------------------------------------------
   10. PROGRAMAS — grilla de tarjetas
   ------------------------------------------------------------------------- */
.head-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 30px; flex-wrap: wrap; margin-bottom: 48px;
}
.head-row h2 { color: var(--navy-800); max-width: 15ch; }
.section--navy .head-row h2 { color: #fff; }

.progs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.prog {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue-600);
  padding: 32px 30px 30px;
  display: flex; flex-direction: column;
  transition: border-color .2s, box-shadow .25s, transform .25s;
}
.prog:hover {
  border-top-color: var(--magenta);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.prog__tag {
  align-self: flex-start;
  font-size: 10px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  padding: 5px 11px; margin-bottom: 18px;
  background: var(--sky-100); color: var(--blue-600);
}
.prog__tag--corp { background: #FCE4EC; color: var(--magenta); }
.prog h3 { color: var(--navy-800); margin-bottom: 12px; font-size: 21px; }
.prog p { font-size: 15px; color: var(--muted); }
.prog__meta {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-600);
}
.prog__foot { margin-top: auto; padding-top: 20px; }
.prog__note { font-size: 12px; line-height: 1.5; color: var(--muted); font-style: italic; margin-top: 14px; }

/* -------------------------------------------------------------------------
   11. SOBRE SILVANA
   ------------------------------------------------------------------------- */
.about { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(32px, 5vw, 76px); align-items: center; }
.about__photo { position: relative; }
/* A color: el azul marino del uniforme y las alas de aviador son parte
   del mensaje, así que aquí no se aplica escala de grises. */
.about__photo img { width: 100%; height: auto; display: block; }
.about__photo::after {
  content: ''; position: absolute; inset: 0;
  border: 1px solid rgba(255,255,255,.22);
  transform: translate(16px, 16px);
  pointer-events: none;
}
.about h2 { color: #fff; margin-bottom: 22px; }

.credlist { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 13px; }
.credlist li {
  display: flex; gap: 13px; align-items: flex-start;
  font-size: 15px; color: #C3D6EE;
}
.credlist svg { width: 17px; height: 17px; flex: none; margin-top: 4px; stroke: var(--sky-400); fill: none; stroke-width: 2; }

.quote {
  margin: 34px 0 0; padding: 26px 0 0;
  border-top: 1px solid rgba(255,255,255,.16);
}
.quote p {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(19px, 1.9vw, 25px); line-height: 1.32;
  text-transform: none; color: #fff; letter-spacing: .01em;
}
.quote cite {
  display: block; margin-top: 14px; font-style: normal;
  font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--sky-400);
}

/* -------------------------------------------------------------------------
   12. ARTÍCULO DESTACADO
   ------------------------------------------------------------------------- */
.feature { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.feature__img { box-shadow: var(--shadow-lg); }
.feature h2 { color: var(--navy-800); text-transform: none; font-size: clamp(30px, 3.6vw, 48px); margin-bottom: 20px; }
.feature__pull {
  margin: 26px 0; padding-left: 24px;
  border-left: 3px solid var(--magenta);
  font-size: clamp(17px, 1.6vw, 21px); line-height: 1.5;
  color: var(--navy-800); font-weight: 500;
}
.feature__tags { display: flex; flex-wrap: wrap; gap: 9px; margin: 24px 0 30px; }
.feature__tags span {
  font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 13px; background: var(--mist); color: var(--blue-600); border: 1px solid var(--line);
}

/* -------------------------------------------------------------------------
   13. CONFERENCIAS
   ------------------------------------------------------------------------- */
.talks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.talk {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.13);
  padding: 32px 28px;
  transition: background .2s, border-color .2s;
}
.talk:hover { background: rgba(255,255,255,.09); border-color: var(--sky-400); }
.talk__year {
  font-family: var(--display); font-size: 42px; font-weight: 600;
  color: var(--sky-400); line-height: 1; margin-bottom: 16px;
}
.talk h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.talk p { font-size: 14.5px; color: #A9C0DC; }
.talk__role {
  display: inline-block; margin-top: 16px;
  font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase;
  color: #FF8FB4; font-weight: 600;
  background: rgba(194,24,91,.32); padding: 5px 11px;
}

/* -------------------------------------------------------------------------
   14. CTA FINAL — banda en diagonal (LPA)
   ------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, var(--navy-800) 0%, var(--blue-600) 100%);
  color: #fff;
  padding-block: clamp(80px, 10vw, 130px);
  clip-path: polygon(0 4vw, 100% 0, 100% 100%, 0 100%);
  margin-top: -2vw;
  text-align: center;
}
.cta-band h2 { margin-bottom: 18px; }
.cta-band .lead { color: #C3D6EE; max-width: 620px; margin: 0 auto 34px; }

.contact-strip {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 14px 34px; margin-top: 44px;
  padding-top: 34px; border-top: 1px solid rgba(255,255,255,.2);
  font-size: 14px; color: #D6E5F7;
}
.contact-strip a { display: inline-flex; align-items: center; gap: 9px; }
.contact-strip a:hover { color: var(--sky-400); }
.contact-strip svg { width: 16px; height: 16px; stroke: var(--sky-400); fill: none; stroke-width: 1.8; }

/* -------------------------------------------------------------------------
   15. PIE
   ------------------------------------------------------------------------- */
.footer { background: var(--navy-950); color: #8FA9C8; padding-block: 66px 30px; font-size: 14.5px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 {
  font-family: var(--body); font-size: 11.5px; font-weight: 600;
  letter-spacing: .2em; color: #fff; margin: 0 0 18px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer a:hover { color: var(--sky-400); }
.footer .brand__name { color: #fff; }
.footer__about { max-width: 34ch; margin-top: 18px; font-size: 14px; line-height: 1.65; }

.social { display: flex; gap: 12px; margin-top: 20px; }
.social a {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.2); transition: background .2s, border-color .2s;
}
.social a:hover { background: var(--magenta); border-color: var(--magenta); }
.social svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 1.7; }

.footer__bottom {
  margin-top: 54px; padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  font-size: 12.5px; color: #6B85A6;
}

/* -------------------------------------------------------------------------
   16. NOTAS DE MAQUETA (solo prototipo — no van al sitio final)
   ------------------------------------------------------------------------- */
.devnote {
  position: relative;
  background: #FFF8E1;
  border-left: 4px solid #F59E0B;
  color: #6B4E00;
  font-size: 13.5px; line-height: 1.6;
  padding: 14px 20px;
  margin: 22px auto;
  max-width: calc(var(--wrap) - var(--gut) * 2);
  width: calc(100% - var(--gut) * 2);
}
.devnote b { color: #92400E; }
body.hide-notes .devnote { display: none; }

.notes-toggle {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  background: var(--navy-800); color: #fff; border: 0; cursor: pointer;
  font-family: var(--body); font-size: 11.5px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 13px 20px; border-radius: 2px; box-shadow: var(--shadow-md);
}
.notes-toggle:hover { background: var(--magenta); }

/* -------------------------------------------------------------------------
   17. RESPONSIVE
   ------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--navy-950);
    border-bottom: 1px solid rgba(255,255,255,.12);
    padding: 10px var(--gut) 22px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding-block: 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav a:hover, .nav a.is-active { border-color: var(--magenta); }
  .header__inner { position: relative; }
  .burger { display: block; }
  .header .btn { display: none; }
  .progs, .talks, .areas { grid-template-columns: repeat(2, 1fr); }
  .creds__inner { grid-template-columns: repeat(2, 1fr); }
  .split, .about, .feature { grid-template-columns: 1fr; }
  .about__photo { max-width: 380px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .topbar__left { display: none; }
  .aud, .progs, .talks, .areas { grid-template-columns: 1fr; }
  .creds__inner { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .cta-band { clip-path: polygon(0 6vw, 100% 0, 100% 100%, 0 100%); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}