/* ============================================================
   Universidad ISEP — Marketing UI Kit
   Landing-page styles. Builds on ../../colors_and_type.css
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--fg-2);
  background: var(--bg-page);
  min-height: 100vh;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.site-header .logo img { height: 32px; }
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--isep-blue);
  position: relative;
}
.nav a:hover { color: var(--isep-purple); }
.nav-cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ---------- Buttons (kit) ---------- */
.btn {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  letter-spacing: -0.005em;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}
.btn--primary {
  background: var(--isep-orange);
  color: #fff;
  box-shadow: var(--shadow-cta);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(255,127,29,0.36);
  background: #FF8E33;
}
.btn--primary:active { transform: translateY(0); background: var(--cta-press); }
.btn--secondary {
  background: var(--isep-blue);
  color: #fff;
}
.btn--secondary:hover { background: #2A1F8E; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--isep-blue);
  border: 1.5px solid var(--blue-25);
}
.btn--ghost:hover { background: var(--isep-lila); border-color: var(--purple-25); }
.btn--ghost-light {
  background: rgba(255,255,255,0.10);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.30);
  backdrop-filter: blur(10px);
}
.btn--ghost-light:hover { background: rgba(255,255,255,0.18); }
.btn--sm { font-size: 13px; padding: 9px 16px; }
.btn--lg { font-size: 16px; padding: 16px 28px; }
.btn .arrow { font-weight: 900; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--gradient-hero);
  color: #fff;
  overflow: hidden;
  padding: 96px 0 120px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 70% at 90% 10%, rgba(120,72,255,0.55), transparent 70%),
    radial-gradient(50% 50% at 10% 90%, rgba(255,127,29,0.18), transparent 70%);
  pointer-events: none;
}
.hero .iso-bg {
  position: absolute;
  right: -120px;
  top: -80px;
  width: 620px;
  opacity: 0.12;
  pointer-events: none;
}
.hero .inner { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero .eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #DDD1FF;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.hero .eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: #DDD1FF;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  color: #fff;
  text-wrap: balance;
}
.hero h1 .accent { color: var(--isep-orange); }
.hero .lede {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  margin: 0 0 32px;
  text-wrap: pretty;
}
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .meta-strip {
  margin-top: 56px;
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.hero .meta-strip .stat .n {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero .meta-strip .stat .l {
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

/* glass card on the right */
.glass-card {
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 26px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.glass-card .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.glass-card .head .ov {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #DDD1FF;
}
.glass-card .badge-cta {
  background: var(--isep-orange);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.glass-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  margin: 0;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.15;
}
.glass-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.glass-card li {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255,255,255,0.92);
  display: flex;
  align-items: center;
  gap: 10px;
}
.glass-card li svg { flex-shrink: 0; }
.glass-card .foot { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid rgba(255,255,255,0.18); }
.glass-card .price { font-family: var(--font-display); font-weight: 800; font-size: 18px; color: #fff; }
.glass-card .price .sub { font-weight: 500; font-size: 12px; color: rgba(255,255,255,0.7); margin-left: 6px; }

/* ---------- Stats band ---------- */
.stats {
  background: var(--isep-lila);
  padding: 56px 0;
}
.stats .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stats .stat {
  background: #fff;
  border-radius: 18px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stats .stat .n {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 44px;
  color: var(--isep-blue);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stats .stat .l {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-500);
}

/* ---------- Section base ---------- */
section { padding: 100px 0; }
.section-head { text-align: left; max-width: 720px; margin-bottom: 48px; }
.section-head .overline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--isep-purple);
  display: block;
  margin-bottom: 12px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 3.6vw, 48px);
  color: var(--isep-blue);
  letter-spacing: -0.025em;
  margin: 0 0 14px;
  line-height: 1.05;
}
.section-head h2 .accent { color: var(--isep-orange); }
.section-head p {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--ink-500);
  line-height: 1.55;
  margin: 0;
}

/* ---------- Programs ---------- */
.programs .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.program-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.program-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.program-card .badge-row { display: flex; gap: 8px; align-items: center; }
.program-card .level {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--isep-purple);
  background: var(--purple-25);
  padding: 4px 10px;
  border-radius: 999px;
}
.program-card .new {
  background: var(--isep-orange);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 4px 10px;
  border-radius: 999px;
}
.program-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--isep-blue);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
}
.program-card .desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-500);
  margin: 0;
  line-height: 1.5;
}
.program-card .meta {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--isep-blue);
  font-weight: 600;
}
.program-card .meta span { display: inline-flex; gap: 6px; align-items: center; }
.program-card .meta svg { color: var(--isep-purple); }

/* Filter pills */
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.filter {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #fff;
  color: var(--isep-blue);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.filter:hover { border-color: var(--purple-25); color: var(--isep-purple); }
.filter.active { background: var(--isep-blue); color: #fff; border-color: var(--isep-blue); }

/* ---------- Modelo INNOVA section (dark) ---------- */
.innova {
  background: var(--gradient-hero);
  color: #fff;
  border-radius: 32px;
  margin: 0 24px;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.innova::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(60% 60% at 80% 20%, rgba(120,72,255,0.5), transparent 60%),
    radial-gradient(40% 40% at 20% 80%, rgba(255,127,29,0.18), transparent 60%);
  pointer-events: none;
}
.innova .container { position: relative; }
.innova .grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.innova .overline { color: #DDD1FF; }
.innova h2 { color: #fff; }
.innova p { color: rgba(255,255,255,0.85); font-size: 18px; line-height: 1.55; }
.innova-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pillar {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 16px;
  padding: 18px;
  backdrop-filter: blur(14px);
}
.pillar .tile {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,127,29,0.18);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  color: var(--isep-orange);
}
.pillar:nth-child(2n) .tile { background: rgba(120,72,255,0.30); color: #DDD1FF; }
.pillar h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.pillar p {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255,255,255,0.75);
  margin: 0;
}

/* ---------- Testimonials ---------- */
.testimonials .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.testimonial {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.testimonial .stars { color: var(--isep-orange); font-size: 14px; letter-spacing: 2px; }
.testimonial blockquote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  color: var(--isep-blue);
  margin: 0;
  letter-spacing: -0.01em;
}
.testimonial .person { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line); }
.testimonial .avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-purple);
  display: grid; place-items: center;
  color: #fff;
  font-family: var(--font-display); font-weight: 800; font-size: 16px;
  letter-spacing: -0.01em;
}
.testimonial .who { font-family: var(--font-body); font-size: 13px; }
.testimonial .who .n { color: var(--isep-blue); font-weight: 700; }
.testimonial .who .r { color: var(--ink-300); }

/* ---------- CTA block ---------- */
.cta-block {
  position: relative;
  border-radius: 32px;
  padding: 56px;
  margin: 0 24px 100px;
  background: var(--isep-lila);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
.cta-block::before {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 380px;
  height: 380px;
  background: var(--gradient-purple);
  border-radius: 50%;
  opacity: 0.15;
}
.cta-block .overline { color: var(--isep-purple); }
.cta-block h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 3vw, 40px);
  color: var(--isep-blue);
  letter-spacing: -0.025em;
  margin: 8px 0 16px;
  line-height: 1.05;
}
.cta-block h2 .accent { color: var(--isep-orange); }
.cta-block p { color: var(--ink-500); font-size: 17px; margin: 0 0 24px; }
.cta-block .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* mini form on right */
.cta-form {
  position: relative;
  background: #fff;
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1;
}
.cta-form .label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  color: var(--isep-blue);
  letter-spacing: -0.01em;
}
.cta-form .field { display: flex; flex-direction: column; gap: 6px; }
.cta-form input, .cta-form select {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 11px 12px;
  border-radius: 10px;
  background: #FAF9FF;
  border: 1.5px solid var(--line);
  color: var(--isep-blue);
}
.cta-form input:focus, .cta-form select:focus {
  outline: none;
  border-color: var(--isep-purple);
  box-shadow: 0 0 0 3px rgba(120,72,255,0.18);
}

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--isep-blue);
  color: rgba(255,255,255,0.78);
  padding: 80px 0 32px;
}
.site-footer .grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.site-footer .brand img { height: 34px; margin-bottom: 16px; }
.site-footer .brand p { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,0.7); max-width: 280px; }
.site-footer h5 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 16px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.site-footer li a { color: rgba(255,255,255,0.78); font-size: 14px; }
.site-footer li a:hover { color: #fff; }
.site-footer .legal { padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 12px; color: rgba(255,255,255,0.5); }
.site-footer .social { display: flex; gap: 10px; }
.site-footer .social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.site-footer .social a:hover { background: var(--isep-purple); }

/* ---------- Process / 4-step admissions ---------- */
.process-section { padding: 100px 0; background: var(--bg-page); }
.process-section .steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.step-card .step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--isep-orange);
}
.step-card .step-line {
  height: 2px;
  width: 40px;
  background: var(--gradient-cta);
  border-radius: 999px;
  margin: 4px 0 8px;
}
.step-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--isep-blue);
  letter-spacing: -0.015em;
  margin: 0;
  line-height: 1.2;
}
.step-card p {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-500);
  line-height: 1.5;
  margin: 0;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}