/* ============================================
   FITELVEN IA 2026 — Design System
   Background: rgb(6,18,39) | Font: Space Grotesk
   ============================================ */

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

:root {
  --bg:          #06122700;
  --bg-solid:    #061227;
  --white:       #ffffff;
  --glass-bg:    rgba(255,255,255,0.08);
  --glass-border:rgba(255,255,255,0.15);
  --glass-hover: rgba(255,255,255,0.14);
  --accent:      rgba(255,255,255,0.40);
  --sponsor-bg:  rgba(217,217,217,0.18);
  --radius-sm:   16px;
  --radius-md:   30px;
  --radius-lg:   60px;
  --radius-xl:   90px;
  --font:        'Space Grotesk', sans-serif;
  --transition:  0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-solid);
  color: var(--white);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

/* UTILITIES */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.glass-card:hover { background: var(--glass-hover); }

.section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  opacity: 0.9;
}

.display-xl {
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.display-xl--center { text-align: center; }

.display-lg {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display-md {
  font-size: clamp(2rem, 5vw, 6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-align: center;
}

.display-text {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
}
.text-light { font-weight: 300; opacity: 0.8; }

.body-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400;
  opacity: 0.8;
  max-width: 560px;
}
.body-text--wide { max-width: 720px; }
.body-text--center { text-align: center; max-width: 640px; margin: 1.5rem auto; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn--primary {
  background: rgba(255,255,255,0.20);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.35);
}
.btn--primary:hover {
  background: rgba(255,255,255,0.32);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,255,255,0.12);
}

.btn--ghost {
  background: transparent;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  color: var(--white);
}

/* LOGO */
.logo-fit   { font-weight: 700; font-size: inherit; color: #fff; }
.logo-elven { font-weight: 300; font-size: inherit; color: rgba(255,255,255,0.7); }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(6,18,39,0.70);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.navbar__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.navbar__logo {
  font-size: 1.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar__nav a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}
.navbar__nav a:hover { color: #fff; }
.navbar__nav .btn-login {
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  color: #fff;
}
.navbar__nav .btn-login:hover { background: rgba(255,255,255,0.1); }

.navbar__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.navbar__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   BACKGROUND IMAGES
   ============================================ */
.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.hero__bg--2 { opacity: 0.35; }
.hero__bg--3 { opacity: 0.30; }
.hero__bg--4 { opacity: 0.35; }
.hero__bg--5 { opacity: 0.40; }

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  mix-blend-mode: screen;
  opacity: 0.55;
}

/* ============================================
   NAVBAR LOGO
   ============================================ */
.navbar__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  opacity: 0.75;
  margin-bottom: 2.5rem;
  max-width: 500px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.hero__actions--center { justify-content: center; }

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.hero__vr-img {
  width: 100%;
  max-width: 560px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(100,120,255,0.3));
  will-change: transform;
  animation: floatImg 6s ease-in-out infinite;
}
@keyframes floatImg {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-16px); }
}

/* Section images */
.section-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
}
.section-img--brain {
  filter: drop-shadow(0 20px 60px rgba(80,100,255,0.25));
}

/* Full-width image section */
.section-img-full {
  padding: 0;
  overflow: hidden;
  max-height: 500px;
  position: relative;
}
.section-img-full__img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  object-position: center;
  opacity: 0.7;
  mix-blend-mode: screen;
}

/* ============================================
   SECTION STATEMENT
   ============================================ */
.section-statement {
  padding: 7rem 0;
  position: relative;
}
.section-statement--alt {
  padding: 4rem 0;
}

.statement__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.statement__text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.statement__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

.abstract-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  will-change: transform;
}
.abstract-circle--1 {
  width: 350px; height: 350px;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation: orbit 15s linear infinite;
}
.abstract-circle--2 {
  width: 200px; height: 200px;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation: orbit 8s linear infinite reverse;
  border-color: rgba(255,255,255,0.20);
}
@keyframes orbit {
  from { transform: translate(-50%,-50%) rotate(0deg); }
  to   { transform: translate(-50%,-50%) rotate(360deg); }
}

.feature-card {
  padding: 2rem;
  max-width: 280px;
  position: relative;
  z-index: 1;
}
.feature-icon { font-size: 2rem; display: block; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.feature-card p  { font-size: 0.9rem; opacity: 0.7; }

/* ============================================
   SECTION HERO ALT
   ============================================ */
.section-hero-alt {
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
}
.section-hero-alt--center {
  text-align: center;
  padding: 7rem 0;
}
.section-hero-alt__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(80,100,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.section-hero-alt .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ============================================
   SECTION DUAL
   ============================================ */
.section-dual { padding: 6rem 0; }
.section-dual .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.dual__item {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.dual__item--accent {
  background: linear-gradient(135deg, rgba(80,100,255,0.15), rgba(100,200,255,0.08));
  border-color: rgba(100,150,255,0.25);
  border-radius: var(--radius-md);
}
.dual__tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.5;
}
.dual__item p { font-size: 1rem; opacity: 0.75; line-height: 1.7; }

/* ============================================
   SECTION BANNER (texto centrado en pill)
   ============================================ */
.section-banner { padding: 5rem 0; }
.section-banner--large { padding: 7rem 0; }

.banner__pill {
  padding: 3rem 4rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.banner__pill--wide { max-width: 1000px; }

/* ============================================
   TESTIMONIALS
   ============================================ */
.section-testimonials { padding: 6rem 0; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.testimonial-quote {
  font-size: 4rem;
  line-height: 1;
  opacity: 0.2;
  font-weight: 700;
}
.testimonial-text {
  font-size: 0.95rem;
  opacity: 0.8;
  line-height: 1.75;
  flex: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
}
.testimonial-author span {
  font-size: 0.8rem;
  opacity: 0.55;
}

/* ============================================
   FEATURES 3 COLUMNS
   ============================================ */
.section-features { padding: 6rem 0; }

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-item {
  padding: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
}
.feature-item__img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.feature-item__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  mix-blend-mode: screen;
  transition: transform var(--transition);
}
.feature-item:hover .feature-item__img img { transform: scale(1.05); }
.feature-item h3 { font-size: 1.25rem; font-weight: 700; padding: 0 2rem; }
.feature-item p  { font-size: 0.95rem; opacity: 0.72; line-height: 1.7; padding: 0 2rem; }

/* ============================================
   CONTENT CARDS
   ============================================ */
.section-cards { padding: 6rem 0; }

.cards__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.content-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.content-card__img {
  height: 200px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.content-card__img--1 {
  background: linear-gradient(135deg, rgba(80,100,255,0.4), rgba(150,80,255,0.3));
}
.content-card__img--2 {
  background: linear-gradient(135deg, rgba(0,180,180,0.4), rgba(0,100,200,0.3));
}
.content-card__img--3 {
  background: linear-gradient(135deg, rgba(255,140,0,0.25), rgba(200,50,100,0.25));
}
.content-card__body {
  padding: 1.75rem;
  flex: 1;
}
.content-card__body h3 { font-size: 1.2rem; margin-bottom: 0.75rem; }
.content-card__body p  { font-size: 0.9rem; opacity: 0.72; line-height: 1.65; }

/* ============================================
   GRID 4x2 FEATURES
   ============================================ */
.section-grid-features { padding: 6rem 0; }

.grid-features__wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.grid-feat {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}
.grid-feat--alt { background: rgba(255,255,255,0.04); }
.grid-feat__dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  margin-bottom: 0.5rem;
}
.grid-feat h4 { font-size: 1rem; font-weight: 700; }
.grid-feat p  { font-size: 0.85rem; opacity: 0.65; line-height: 1.6; }

/* ============================================
   SPLIT SECTION
   ============================================ */
.section-split { padding: 7rem 0; }

.split__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.split__img-card {
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
}
.split__real-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  opacity: 0.9;
  mix-blend-mode: screen;
}

.tech-orb {
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(150,180,255,0.5), rgba(80,100,255,0.2));
  border: 1px solid rgba(150,180,255,0.3);
  box-shadow:
    0 0 60px rgba(100,120,255,0.2),
    inset 0 0 40px rgba(200,220,255,0.1);
  will-change: transform, opacity;
  animation: orbPulse 4s ease-in-out infinite;
}
.tech-orb--purple {
  background: radial-gradient(circle at 35% 35%, rgba(200,150,255,0.5), rgba(130,80,255,0.2));
  border-color: rgba(180,130,255,0.3);
  box-shadow: 0 0 60px rgba(150,80,255,0.2), inset 0 0 40px rgba(220,180,255,0.1);
}
@keyframes orbPulse {
  0%,100% { transform: scale(1); opacity: 0.9; }
  50%      { transform: scale(1.05); opacity: 1; }
}

.split__content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.split__items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.split__item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.split__bullet {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.40);
  border: 1px solid rgba(255,255,255,0.6);
  flex-shrink: 0;
  margin-top: 0.35rem;
}
.split__item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; }
.split__item p  { font-size: 0.9rem; opacity: 0.7; line-height: 1.65; }

/* ============================================
   LOGO CENTER
   ============================================ */
.section-logo-center { padding: 6rem 0; }

.logo-center__wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 280px;
}

.logo-center__ring {
  position: absolute;
  width: 280px; height: 280px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  animation: orbit 20s linear infinite;
}
.logo-center__ring::after {
  content: '';
  position: absolute;
  width: 10px; height: 10px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  top: -5px; left: 50%;
  transform: translateX(-50%);
}

.logo-center__img {
  position: relative;
  z-index: 1;
  max-width: 200px;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* ============================================
   BIG CARD
   ============================================ */
.section-big-card { padding: 6rem 0; }

.big-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem;
}

.big-card__real-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  opacity: 0.85;
  mix-blend-mode: screen;
}

.big-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.big-card__features li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.feat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  flex-shrink: 0;
  margin-top: 0.5rem;
}
.big-card__features span {
  font-size: 1rem;
  opacity: 0.80;
  line-height: 1.65;
}

/* ============================================
   SPONSORS
   ============================================ */
.section-sponsors { padding: 6rem 0; }

.sponsors__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.sponsors__row--center { justify-content: center; }

.sponsor-card {
  padding: 0.85rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 130px;
  min-height: 90px;
  background: var(--sponsor-bg);
  border-radius: var(--radius-sm);
  border-color: rgba(217,217,217,0.20);
  opacity: 0.85;
  cursor: default;
  transition: all var(--transition);
}
.sponsor-card:hover {
  opacity: 1;
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}
.sponsor-card img {
  max-width: 90px;
  max-height: 50px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}
.sponsor-card span {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.5;
  text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 5rem 0 0;
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
}
.footer__glow {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(255,255,255,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 5rem;
  padding-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer__logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
.footer__brand p {
  font-size: 0.9rem;
  opacity: 0.55;
  line-height: 1.6;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer__col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 0.5rem;
}
.footer__col a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__col a:hover { color: #fff; }

.footer__bar {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__bar p { font-size: 0.8rem; opacity: 0.4; }
.footer__socials {
  display: flex;
  gap: 1.25rem;
}
.footer__socials a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: color var(--transition);
}
.footer__socials a:hover { color: #fff; }

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet: 1024px */
@media (max-width: 1024px) {
  .hero__content      { grid-template-columns: 1fr; gap: 3rem; }
  .hero__visual       { flex-direction: row; justify-content: flex-start; align-items: flex-start; }
  .hero__card--offset { margin-left: 0; margin-top: 0; }

  .statement__grid    { grid-template-columns: 1fr; gap: 3rem; }
  .section-dual .container { grid-template-columns: 1fr; }
  .grid-features__wrap { grid-template-columns: repeat(2, 1fr); }
  .split__grid        { grid-template-columns: 1fr; gap: 3rem; }
  .big-card           { grid-template-columns: 1fr; }
  .footer__inner      { grid-template-columns: 1fr; gap: 3rem; }
}

/* Tablet pequeña: 768px */
@media (max-width: 768px) {
  .navbar__nav {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(6,18,39,0.97);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .navbar__nav.open { display: flex; }
  .navbar__nav a    { font-size: 1rem; }
  .navbar__burger   { display: flex; }

  .testimonials__grid { grid-template-columns: 1fr; }
  .features__grid     { grid-template-columns: 1fr; }
  .cards__grid        { grid-template-columns: 1fr; }
  .footer__links      { grid-template-columns: 1fr 1fr; }

  .banner__pill { padding: 2rem; }
  .display-md   { font-size: clamp(1.8rem, 6vw, 3.5rem); }

  .hero__visual { display: none; }
  .hero__title  { font-size: clamp(2.5rem, 10vw, 5rem); }
}

/* Mobile: 480px */
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero       { padding: 6rem 0 4rem; }

  .hero__title  { font-size: clamp(2rem, 12vw, 4rem); }
  .display-xl   { font-size: clamp(2.2rem, 10vw, 4rem); }
  .display-text { font-size: clamp(1.8rem, 8vw, 3rem); }
  .display-md   { font-size: clamp(1.5rem, 7vw, 2.5rem); }
  .display-lg   { font-size: clamp(1.5rem, 7vw, 2.5rem); }

  .section-banner { padding: 3rem 0; }
  .section-features, .section-cards, .section-testimonials,
  .section-split, .section-big-card, .section-sponsors { padding: 4rem 0; }

  .grid-features__wrap { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .grid-feat { padding: 1.25rem; }

  .footer__links { grid-template-columns: 1fr; }
  .footer__bar   { flex-direction: column; text-align: center; }

  .sponsors__row { gap: 0.5rem; }
  .sponsor-card  { font-size: 0.72rem; padding: 0.7rem 1rem; }

  .dual__item { padding: 2rem; }
  .big-card   { padding: 1.75rem; }
}