/* =============================================
   LearnWay — styles.css
   Diseño profesional tipo SaaS, responsive.
   ============================================= */

:root {
  /* Colores de marca */
  --color-green:        #94D500;
  --color-green-dark:   #78aa00;
  --color-green-light:  #b8e94a;
  --color-purple:       #873299;
  --color-purple-dark:  #6a2579;
  --color-purple-light: #a348b5;

  /* Fondos */
  --color-bg:           #0d0f14;
  --color-bg-card:      #161921;
  --color-bg-elevated:  #1e222d;

  /* Textos */
  --color-text:         #e8eaf0;
  --color-text-muted:   #8b92a5;
  --color-text-dim:     #5a6175;

  /* Bordes */
  --color-border:       rgba(255,255,255,0.07);
  --color-border-hover: rgba(148,213,0,0.35);

  /* Tipografía base */
  --font-sans:          'Inter', system-ui, -apple-system, sans-serif;
  --font-size-base:     1rem;
  --line-height-base:   1.65;

  /* Espaciado */
  --section-padding:    6rem 0;
  --container-width:    1200px;
  --container-px:       1.5rem;

  /* Radios y Transiciones */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-full: 9999px;
  --transition-fast:   0.15s ease;
  --transition-base:   0.3s ease;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background-color: var(--color-bg); color: var(--color-text); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* GLOBALES */
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 var(--container-px); }
.highlight { background: linear-gradient(135deg, var(--color-green), var(--color-purple-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* BOTONES */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: var(--radius-full); font-weight: 600; font-size: 0.95rem; transition: all var(--transition-base); white-space: nowrap; border: 2px solid transparent; }
.btn--primary { background: linear-gradient(135deg, var(--color-green), var(--color-green-dark)); color: #0d0f14; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(148, 213, 0, 0.45); }
.btn--outline { border-color: var(--color-green); color: var(--color-green); }
.btn--outline:hover { background: var(--color-green); color: #0d0f14; transform: translateY(-2px); }
.btn--ghost { background: rgba(255,255,255,0.07); color: var(--color-text); border-color: rgba(255,255,255,0.12); }
.btn--ghost:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.25); transform: translateY(-2px); }
.btn--lg { padding: 1rem 2rem; font-size: 1.05rem; }
.btn--full { width: 100%; }

/* HEADERS */
.section-tag { display: inline-block; padding: 0.35rem 1rem; border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; background: rgba(148, 213, 0, 0.12); color: var(--color-green); border: 1px solid rgba(148, 213, 0, 0.25); margin-bottom: 1rem; }
.section-tag--light { background: rgba(255,255,255,0.1); color: white; border-color: rgba(255,255,255,0.2); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-title { font-size: clamp(1.75rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.2; margin-bottom: 1rem; }
.section-sub { font-size: 1.1rem; color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }

/* NAVBAR */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 1rem 0; transition: all var(--transition-base); }
.navbar.scrolled { background: rgba(13, 15, 20, 0.92); backdrop-filter: blur(20px); border-bottom: 1px solid var(--color-border); padding: 0.65rem 0; }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; }
.navbar__logo { display: flex; align-items: center; }
.navbar__nav { display: flex; align-items: center; gap: 2rem; }
.navbar__link { font-size: 0.9rem; font-weight: 500; color: var(--color-text-muted); position: relative; }
.navbar__link:hover { color: var(--color-text); }
.navbar__toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.navbar__toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); transition: all 0.3s; }

/* HERO SECCIÓN CON TU IMAGEN DE ESTUDIANTE */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 8rem 0 6rem; background-image: url('/Imagen/Imagen\ estudiante.png'); background-size: cover; background-position: center; border-bottom: 1px solid var(--color-border); }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13, 15, 20, 0.95) 0%, rgba(106, 37, 121, 0.85) 50%, rgba(13, 15, 20, 0.95) 100%); z-index: 0; }
.hero__content { position: relative; z-index: 1; max-width: 800px; }
.hero__headline { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 900; line-height: 1.1; margin-bottom: 1.5rem; }
.hero__sub { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.85); max-width: 580px; margin-bottom: 2.5rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; }
.hero__trust { display: flex; gap: 1.5rem; font-size: 0.85rem; color: rgba(255,255,255,0.7); }
.hero__wave { position: absolute; bottom: -1px; left: 0; right: 0; z-index: 1; }
.hero__wave svg { width: 100%; height: 80px; }

/* CARDS: CÓMO FUNCIONA */
.how { padding: var(--section-padding); }
.how__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.how-card { position: relative; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; display: flex; flex-direction: column; gap: 1rem; transition: all var(--transition-base); }
.how-card:hover { border-color: var(--color-border-hover); transform: translateY(-4px); }
.how-card--featured { background: linear-gradient(145deg, var(--color-bg-elevated), var(--color-bg-card)); border-color: rgba(135, 50, 153, 0.35); }
.how-card__badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); padding: 0.25rem 1rem; border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 700; background: linear-gradient(135deg, var(--color-purple), var(--color-purple-light)); color: white; }
.how-card__icon { width: 52px; height: 52px; color: var(--color-green); }
.how-card--featured .how-card__icon { color: var(--color-purple-light); }
.how-card__title { font-size: 1.25rem; font-weight: 700; }
.how-card__text { font-size: 0.95rem; color: var(--color-text-muted); }
.how-card__list { display: flex; flex-direction: column; gap: 0.4rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.how-card__list li { font-size: 0.88rem; color: var(--color-text-muted); padding-left: 1.2rem; position: relative; }
.how-card__list li::before { content: '→'; position: absolute; left: 0; color: var(--color-green); }

/* DEMO IA GENERATIVA (INTERACTIVA) */
.demo-ia { padding: var(--section-padding); background: var(--color-bg-card); position: relative; overflow: hidden; border-bottom: 1px solid var(--color-border); }
.demo-ia::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--color-purple), transparent); opacity: 0.5; }
.demo-ia__container { max-width: 900px; margin: 0 auto; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); overflow: hidden; }
.demo-ia__tabs { display: flex; border-bottom: 1px solid var(--color-border); background: var(--color-bg-elevated); }
.demo-ia__tab { flex: 1; padding: 1.2rem; font-size: 1rem; font-weight: 600; color: var(--color-text-muted); background: transparent; transition: all var(--transition-base); border-bottom: 2px solid transparent; }
.demo-ia__tab:hover { color: var(--color-text); background: rgba(255,255,255,0.02); }
.demo-ia__tab.active { color: var(--color-green); border-bottom-color: var(--color-green); background: var(--color-bg); }
.demo-ia__content-area { padding: 2rem; position: relative; min-height: 400px; }
.demo-ia__panel { display: none; animation: fadeIn 0.4s ease-out forwards; }
.demo-ia__panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Elementos visuales del Demo */
.ia-explanation { margin-top: 1.5rem; padding: 1rem; background: rgba(135, 50, 153, 0.1); border-left: 3px solid var(--color-purple); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.9rem; color: #d1d5db; }
.mock-browser, .mock-player, .mock-interactive { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.mock-browser-bar { padding: 0.5rem 1rem; background: rgba(0,0,0,0.3); border-bottom: 1px solid var(--color-border); display: flex; gap: 6px; }
.mock-browser-bar span { width: 10px; height: 10px; border-radius: 50%; background: #4b5563; }
.mock-browser-bar span:nth-child(1) { background: #ef4444; }
.mock-browser-bar span:nth-child(2) { background: #eab308; }
.mock-browser-bar span:nth-child(3) { background: #22c55e; }
.mock-browser-body { padding: 1.5rem; }
.mock-browser-body h4 { margin-bottom: 1.5rem; color: var(--color-text); font-size: 1.1rem; }

/* Diagrama Visual */
.visual-diagram { display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.diagram-node { padding: 0.75rem 1.5rem; background: var(--color-bg-card); border: 2px solid var(--color-purple); border-radius: var(--radius-sm); font-weight: 500; font-size: 0.9rem; }
.diagram-node.main { border-color: var(--color-green); background: rgba(148, 213, 0, 0.1); font-weight: 700; font-size: 1rem; }
.diagram-lines { color: var(--color-text-muted); font-size: 1.5rem; line-height: 0.5; }
.diagram-branches { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* Reproductor Auditivo */
.mock-player { display: flex; align-items: center; gap: 1.5rem; padding: 1.5rem; margin-bottom: 1.5rem; }
.player-icon { font-size: 2.5rem; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: rgba(135, 50, 153, 0.2); border-radius: 50%; border: 1px solid var(--color-purple); }
.player-info { flex: 1; }
.player-info h4 { margin-bottom: 0.5rem; }
.player-timeline { height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; margin-bottom: 0.75rem; overflow: hidden; }
.player-progress { width: 35%; height: 100%; background: var(--color-green); }
.player-controls { font-size: 1.2rem; cursor: pointer; opacity: 0.8; letter-spacing: 0.5rem; }
.podcast-transcript { font-style: italic; color: var(--color-text-muted); line-height: 1.6; font-size: 0.95rem; }

/* Interactive Kinestésico */
.mock-interactive { padding: 1.5rem; }
.mock-interactive h4 { margin-bottom: 1.5rem; text-align: center; }
.scenario-box { background: rgba(0,0,0,0.2); padding: 1.5rem; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.05); }
.scenario-box p { margin-bottom: 1.5rem; font-size: 0.95rem; }
.action-buttons { display: flex; flex-direction: column; gap: 0.75rem; }
.action-btn { padding: 0.85rem; text-align: left; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text); font-size: 0.9rem; transition: var(--transition-base); }
.action-btn:hover { border-color: var(--color-green); transform: translateX(5px); }
.action-btn.correct:active { background: rgba(148, 213, 0, 0.2); border-color: var(--color-green); }

/* =============================================
   CATÁLOGO DE CURSOS
   ============================================= */
.course-catalog { padding: var(--section-padding); background: var(--color-bg); }
.catalog-filters { display: flex; justify-content: center; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.filter-btn { padding: 0.6rem 1.25rem; background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 50px; color: var(--color-text-muted); font-weight: 500; cursor: pointer; transition: 0.3s; }
.filter-btn:hover { border-color: var(--color-purple-light); color: var(--color-text); }
.filter-btn.active { background: var(--color-purple); color: #fff; border-color: var(--color-purple); }

.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; margin-top: 3rem; }

/* Tarjeta del Curso */
.course-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: transform 0.3s, box-shadow 0.3s; display: flex; flex-direction: column; }
.course-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.4); border-color: var(--color-border-hover); }
.course-card__image { position: relative; height: 180px; width: 100%; border-bottom: 3px solid var(--color-green); }
.course-card__image img { width: 100%; height: 100%; object-fit: cover; }
.course-card__badge { position: absolute; top: 1rem; left: 1rem; background: var(--color-purple); color: #fff; padding: 0.3rem 0.8rem; border-radius: 4px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }

.course-card__content { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; justify-content: space-between; gap: 1rem; }
.course-card__meta { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--color-text-muted); font-weight: 600; }
.course-card__title { font-size: 1.2rem; font-weight: 700; line-height: 1.3; color: var(--color-text); }
.course-card__desc { font-size: 0.95rem; color: var(--color-text-dim); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Modal / Ventana Emergente */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(5px); z-index: 9999; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; padding: 1rem; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-container { background: var(--color-bg-card); width: 100%; max-width: 800px; max-height: 90vh; border-radius: var(--radius-lg); border: 1px solid var(--color-border); overflow-y: auto; position: relative; transform: translateY(20px); transition: transform 0.3s ease; box-shadow: 0 25px 50px rgba(0,0,0,0.5); }
.modal-overlay.active .modal-container { transform: translateY(0); }

.modal-close { position: absolute; top: 1.5rem; right: 1.5rem; background: var(--color-bg-elevated); border: 1px solid var(--color-border); color: #fff; width: 36px; height: 36px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: 0.2s; z-index: 10; padding: 0; }
.modal-close:hover { background: var(--color-purple); border-color: var(--color-purple); transform: rotate(90deg); }

.modal-header { padding: 2.5rem 2.5rem 1.5rem; border-bottom: 1px solid var(--color-border); background: linear-gradient(to bottom, rgba(135,50,153,0.1), transparent); }
.modal-tag { display: inline-block; background: rgba(148,213,0,0.2); color: var(--color-green); padding: 0.3rem 0.8rem; border-radius: 4px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; margin-bottom: 1rem; border: 1px solid rgba(148,213,0,0.3); }
.modal-header h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.5rem; line-height: 1.2; }
.modal-subtitle { color: var(--color-text-muted); font-size: 1.05rem; }

.modal-body { padding: 0 2.5rem 2.5rem; }
.modal-meta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 1.5rem; background: var(--color-bg-elevated); border-radius: var(--radius-md); margin: 2rem 0; border: 1px solid var(--color-border); }
.meta-item { font-size: 0.95rem; color: var(--color-text-dim); }
.meta-item strong { display: block; color: var(--color-text); margin-bottom: 0.3rem; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }

.modal-body h3 { font-size: 1.3rem; margin: 2rem 0 1rem; color: var(--color-text); border-left: 3px solid var(--color-purple); padding-left: 1rem; }
.modal-body p { color: var(--color-text-muted); line-height: 1.6; }

.course-modules { display: flex; flex-direction: column; gap: 0.75rem; }
.module-item { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.module-item summary { padding: 1rem 1.25rem; cursor: pointer; font-weight: 500; display: flex; align-items: center; justify-content: space-between; outline: none; }
.module-item summary::-webkit-details-marker { display: none; }
.module-item summary::after { content: '+'; font-size: 1.2rem; color: var(--color-text-muted); font-weight: bold; }
.module-item[open] summary::after { content: '−'; color: var(--color-green); }
.module-item[open] summary { border-bottom: 1px solid var(--color-border); background: rgba(255,255,255,0.02); }
.module-content { padding: 1.25rem; font-size: 0.95rem; color: var(--color-text-dim); line-height: 1.5; border-left: 3px solid var(--color-green); background: var(--color-bg); margin: 0; }

.modal-cta { margin-top: 3rem; text-align: center; padding-top: 2rem; border-top: 1px solid var(--color-border); }

/* BENEFICIOS */
.benefits { padding: var(--section-padding); background: radial-gradient(ellipse 70% 50% at 0% 50%, rgba(148,213,0,0.06) 0%, transparent 60%); }
.benefits__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.benefit-item { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1.75rem; transition: transform var(--transition-base); }
.benefit-item:hover { border-color: var(--color-border-hover); transform: translateY(-3px); }
.benefit-item__icon { font-size: 2rem; margin-bottom: 0.75rem; }
.benefit-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.benefit-item p { font-size: 0.9rem; color: var(--color-text-muted); }

/* ESTADÍSTICAS */
.stats { padding: 4rem 0; background: linear-gradient(135deg, var(--color-purple-dark) 0%, rgba(135,50,153,0.7) 50%, var(--color-purple-dark) 100%); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat-item__number { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 900; color: var(--color-green); }
.stat-item__suffix { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 900; color: var(--color-green-light); }
.stat-item p { font-size: 0.9rem; color: rgba(255,255,255,0.75); font-weight: 500; }

/* CTA Y FORMULARIO */
.cta-section { padding: var(--section-padding); }
.cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.cta-title { font-size: clamp(1.75rem, 3.5vw, 2.4rem); font-weight: 800; line-height: 1.2; margin-bottom: 1rem; }
.contact-form { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--color-text-muted); }
.form-group input { background: var(--color-bg-elevated); border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); padding: 0.75rem 1rem; color: var(--color-text); outline: none; transition: 0.3s; }
.form-group input:focus { border-color: var(--color-green); }

/* FOOTER */
.footer { background: var(--color-bg-card); border-top: 1px solid var(--color-border); padding: 4rem 0 2rem; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer__desc { font-size: 0.9rem; color: var(--color-text-muted); margin-top: 1rem; }
.footer__col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; margin-bottom: 1.25rem; }
.footer__col a { display: block; font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 0.65rem; transition: color 0.3s; }
.footer__col a:hover { color: var(--color-green); }
.footer__bottom { border-top: 1px solid var(--color-border); padding-top: 1.5rem; text-align: center; color: var(--color-text-dim); font-size: 0.85rem; }

/* SCROLL TOP */
.scroll-top { position: fixed; bottom: 2rem; right: 2rem; width: 44px; height: 44px; border-radius: 50%; background: var(--color-green); color: #000; font-size: 1.2rem; font-weight: bold; z-index: 900; opacity: 0; pointer-events: none; transition: 0.3s; }
.scroll-top.visible { opacity: 1; pointer-events: auto; }

/* AOS ANIMATIONS */
[data-aos] { opacity: 0; transform: translateY(20px); transition: 0.6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }
[data-aos][data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos][data-aos-delay="200"] { transition-delay: 0.2s; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .how__grid, .benefits__grid, .cta-inner { grid-template-columns: 1fr; }
  .demo-ia__tabs { flex-direction: column; }
  .demo-ia__tab { border-bottom: 1px solid var(--color-border); border-left: 2px solid transparent; }
  .demo-ia__tab.active { border-bottom-color: var(--color-border); border-left-color: var(--color-green); }
  .demo-ia__content-area { padding: 1.25rem 1rem; min-height: auto; }
  .mock-player { flex-direction: column; text-align: center; gap: 1rem; padding: 1.25rem; }
  .player-icon { font-size: 2rem; width: 50px; height: 50px; margin: 0 auto; }
  .scenario-box { padding: 1.25rem; }
  .ia-explanation { 
    margin-top: 1rem; 
    padding: 1rem; 
    font-size: 0.85rem; 
    border-left: none; 
    border-top: 3px solid var(--color-purple); 
    border-radius: 0 0 var(--radius-sm) var(--radius-sm); 
  }

  /* Ajustes Móviles para Catálogo y Modales */
  .catalog-filters { flex-direction: column; width: 100%; }
  .filter-btn { width: 100%; text-align: center; }
  .modal-container { height: 100vh; max-height: 100vh; border-radius: 0; }
  .modal-header { padding: 1.5rem; }
  .modal-body { padding: 0 1.5rem 1.5rem; }
  .modal-meta-grid { grid-template-columns: 1fr; gap: 1rem; }
  .modal-close { top: 1rem; right: 1rem; }

  .stats__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .navbar__nav { display: none; position: fixed; inset: 0; background: var(--color-bg); flex-direction: column; justify-content: center; z-index: 999; }
  .navbar__nav.open { display: flex; }
  .navbar__toggle { display: flex; position: relative; z-index: 1000; }
  .hero { text-align: center; }
  .hero__actions, .hero__trust { justify-content: center; }
}