/* ─────────────────────────────────────────
   SPORTTIO — style.css
   Diseño deportivo editorial premium
───────────────────────────────────────── */

/* === VARIABLES === */
:root {
  --black: #0e0e0e;
  --white: #ffffff;
  --off-white: #f8f8f6;
  --gray-100: #f2f2f0;
  --gray-200: #e5e5e2;
  --gray-400: #9b9b94;
  --gray-600: #5a5a54;
  --green: #2de26a;
  --green-dark: #1ab852;
  --green-muted: rgba(45, 226, 106, 0.12);

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);

  --nav-h: 72px;
  --section-pad: clamp(5rem, 8vw, 9rem);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === REUSABLE === */
.container { width: min(1200px, 92%); margin: 0 auto; }

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: var(--green-muted);
  border: 1px solid rgba(45, 226, 106, 0.25);
  padding: .3rem .8rem;
  border-radius: 100px;
  margin-bottom: 1.2rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.01em;
  margin-bottom: 1rem;
}
.section-title em { font-style: italic; color: var(--green-dark); }

.section-sub {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 480px;
  margin-bottom: 2.5rem;
}

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .9rem 2rem;
  border-radius: var(--radius-sm);
  transition: background .2s, transform .15s;
}
.btn-primary:hover { background: #222; transform: translateY(-2px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: transparent;
  color: var(--black);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .9rem 1.8rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200);
  transition: border-color .2s, background .2s;
}
.btn-ghost:hover { border-color: var(--black); background: var(--gray-100); }

.btn-nav {
  background: var(--green);
  color: var(--black);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  transition: background .2s, transform .15s;
  white-space: nowrap;
}
.btn-nav:hover { background: var(--green-dark); color: var(--white); transform: translateY(-1px); }

.btn-big {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  background: var(--green);
  color: var(--black);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 1.1rem 2.6rem;
  border-radius: var(--radius-sm);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn-big:hover {
  background: var(--green-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(26,184,82,.35);
}

/* === WHATSAPP FLOAT === */
.wa-float {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  box-shadow: 0 4px 20px rgba(45,226,106,.45);
  transition: transform .2s, box-shadow .2s;
  animation: waPulse 2.4s ease-in-out infinite;
}
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(45,226,106,.6); animation: none; }

@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(45,226,106,.45); }
  50% { box-shadow: 0 4px 32px rgba(45,226,106,.75); }
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.navbar.scrolled {
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--gray-200);
}
.nav-inner {
  width: min(1200px, 92%);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo img { height: 38px; width: auto; }
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--black);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width .22s;
}
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px; height: 18px;
  background: none; border: none; cursor: pointer;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 100%; height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* === HERO === */
.hero {
  min-height: 100svh;
  padding: calc(var(--nav-h) + 4rem) 0 5rem;
  display: flex;
  flex-direction: column;
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -10%; right: -8%;
  width: 55vw; height: 110%;
  background: var(--gray-100);
  border-radius: 0 0 0 80px;
  z-index: 0;
}

.hero-inner {
  width: min(1200px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Hero text */
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: var(--green-muted);
  border: 1px solid rgba(45,226,106,.3);
  padding: .35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.4rem;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7.5vw, 7rem);
  font-weight: 900;
  line-height: .97;
  letter-spacing: -.02em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
}
.hero-headline em {
  font-style: italic;
  color: var(--green-dark);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 400px;
  margin-bottom: 2rem;
  line-height: 1.55;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-badges {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
}
.badge {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: .4rem .9rem;
  border-radius: 100px;
  box-shadow: var(--shadow);
}

/* Hero grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: .8rem;
  height: 520px;
}
.hg-main { grid-row: span 2; position: relative; }
.hg-col { display: flex; flex-direction: column; gap: .8rem; }
.hg-col-sm { }

.hg-item {
  flex: 1;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-100);
  position: relative;
}
.hg-main { border-radius: var(--radius); overflow: hidden; background: var(--gray-100); position: relative; }
.hg-item img, .hg-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.hg-item:hover img, .hg-main:hover img { transform: scale(1.04); }

.hg-label {
  position: absolute;
  bottom: .8rem; left: .8rem;
  font-family: var(--font-display);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--green);
  color: var(--black);
  padding: .3rem .75rem;
  border-radius: 100px;
}

.hg-accent {
  background: var(--black);
  display: flex !important;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
}
.hg-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
}
.hg-desc {
  font-size: .72rem;
  color: rgba(255,255,255,.7);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: .3rem;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  color: var(--gray-400);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  z-index: 1;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--gray-400), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(.5); opacity: .3; }
}

/* === DIFERENCIAL === */
.diferencial {
  padding: var(--section-pad) 0;
  background: var(--white);
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-top: 3rem;
}
.diff-card {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  transition: transform .2s, box-shadow .2s;
}
.diff-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.diff-card--large {
  grid-column: span 2;
  background: var(--black);
  color: var(--white);
}
.diff-card--large h3 { color: var(--white); }
.diff-card--large p { color: rgba(255,255,255,.65); }
.diff-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.diff-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: .6rem;
}
.diff-card p { font-size: .92rem; color: var(--gray-600); line-height: 1.55; }
.diff-card--large p { color: rgba(255,255,255,.6); }

.diff-stat {
  background: var(--green-muted);
  border: 1px solid rgba(45,226,106,.3);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--green-dark);
  line-height: 1;
}
.stat-label {
  font-size: .82rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: .4rem;
}

/* === CATÁLOGO === */
.catalogo {
  padding: var(--section-pad) 0;
  background: var(--off-white);
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.4rem;
  margin-top: 2rem;
}
.prod-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: transform .25s, box-shadow .25s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.prod-card--featured { border-color: var(--green); }
.prod-badge {
  position: absolute;
  top: .8rem; right: .8rem;
  z-index: 2;
  font-family: var(--font-display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: var(--green);
  color: var(--black);
  padding: .3rem .75rem;
  border-radius: 100px;
}

.prod-img {
  height: 210px;
  overflow: hidden;
  background: var(--gray-100);
}
.prod-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.prod-card:hover .prod-img img { transform: scale(1.06); }

.prod-info {
  padding: 1.4rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.prod-cat {
  font-family: var(--font-display);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: .5rem;
}
.prod-info h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: .5rem;
}
.prod-info p {
  font-size: .87rem;
  color: var(--gray-600);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 1.2rem;
}
.prod-cta {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--black);
  border-top: 1px solid var(--gray-200);
  padding-top: .9rem;
  display: flex;
  align-items: center;
  gap: .3rem;
  transition: color .2s, gap .2s;
}
.prod-cta:hover { color: var(--green-dark); gap: .6rem; }

.catalog-footer {
  text-align: center;
  margin-top: 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.catalog-footer p { color: var(--gray-600); font-size: 1rem; }

/* === PROCESO === */
.proceso {
  padding: var(--section-pad) 0;
  background: var(--white);
}
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 3.5rem;
  position: relative;
}
.step {
  flex: 1;
  text-align: center;
  padding: 0 1rem;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: .8;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: .5rem;
}
.step-content p { font-size: .88rem; color: var(--gray-600); }

.step-arrow {
  font-size: 1.8rem;
  color: var(--gray-200);
  padding-top: .6rem;
  align-self: flex-start;
  font-weight: 300;
}

/* === BENEFICIOS === */
.beneficios {
  padding: var(--section-pad) 0;
  background: var(--black);
  color: var(--white);
}
.beneficios .section-label { background: rgba(45,226,106,.15); color: var(--green); border-color: rgba(45,226,106,.3); }
.beneficios .section-title { color: var(--white); }
.beneficios .section-title em { color: var(--green); }
.beneficios p { color: rgba(255,255,255,.6); max-width: 420px; margin-bottom: 2rem; }

.ben-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.ben-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius);
  overflow: hidden;
}
.ben-stat {
  background: #161616;
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
}
.ben-stat--accent { background: var(--green-muted); }
.ben-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
}
.ben-stat--accent .ben-num { color: var(--green); }
.ben-label {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: .5rem;
}
.beneficios .btn-primary { background: var(--green); color: var(--black); }
.beneficios .btn-primary:hover { background: var(--green-dark); color: var(--white); }

/* === TESTIMONIOS === */
.testimonios {
  padding: var(--section-pad) 0;
  background: var(--off-white);
}
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-top: 3rem;
}
.testi-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: transform .2s, box-shadow .2s;
}
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.testi-card--featured {
  background: var(--black);
  border-color: transparent;
  color: var(--white);
}
.testi-card--featured p { color: rgba(255,255,255,.75); }
.testi-card--featured strong { color: var(--white); }
.testi-card--featured span { color: rgba(255,255,255,.45); }

.testi-stars { color: var(--green); font-size: 1rem; letter-spacing: .1em; }
.testi-card--featured .testi-stars { color: var(--green); }
.testi-card p { font-size: .95rem; color: var(--gray-600); line-height: 1.6; flex: 1; }
.testi-author {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
}
.testi-card--featured .testi-author { border-top-color: rgba(255,255,255,.1); }
.testi-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--green-muted);
  color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .8rem;
}
.testi-card--featured .testi-avatar { background: rgba(45,226,106,.2); color: var(--green); }
.testi-author strong { display: block; font-size: .9rem; }
.testi-author span { display: block; font-size: .78rem; color: var(--gray-400); }

/* === CTA FINAL === */
.cta-final {
  padding: var(--section-pad) 0;
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: 'SPORTTIO';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(6rem, 18vw, 18rem);
  font-weight: 900;
  color: rgba(0,0,0,.04);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: -.03em;
  z-index: 0;
}
.ctaf-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.ctaf-tag {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: var(--green-muted);
  border: 1px solid rgba(45,226,106,.3);
  padding: .35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.6rem;
}
.ctaf-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.ctaf-inner h2 em { font-style: italic; color: var(--green-dark); }
.ctaf-inner p {
  font-size: 1rem;
  color: var(--gray-600);
  max-width: 440px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* === FOOTER === */
.footer {
  background: var(--black);
  color: rgba(255,255,255,.7);
  padding: 5rem 0 2.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}
.footer-logo { height: 34px; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .9rem; line-height: 1.55; max-width: 260px; }
.footer-socials {
  display: flex;
  gap: .9rem;
  margin-top: 1.4rem;
}
.footer-socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6);
  transition: border-color .2s, color .2s, background .2s;
}
.footer-socials a:hover { border-color: var(--green); color: var(--green); background: rgba(45,226,106,.08); }

.footer-nav h4, .footer-contact h4 {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.2rem;
}
.footer-nav ul, .footer-contact ul { display: flex; flex-direction: column; gap: .75rem; }
.footer-nav a, .footer-contact a, .footer-contact span {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--green); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .8rem;
  color: rgba(255,255,255,.3);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: rgba(255,255,255,.3); transition: color .2s; }
.footer-legal a:hover { color: rgba(255,255,255,.6); }

/* === ANIMATIONS / REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-card--large { grid-column: span 2; }
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero::before { display: none; }
  .hero-grid { height: 340px; }
  .ben-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  :root { --section-pad: 4rem; }

  .nav-links { display: none; flex-direction: column; gap: 0; position: fixed; inset: 0; background: var(--white); padding: calc(var(--nav-h) + 2rem) 2rem 2rem; z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 1rem 0; border-bottom: 1px solid var(--gray-200); font-size: 1.2rem; }
  .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .hero-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; height: auto; }
  .hg-main { grid-row: span 1; height: 200px; }
  .hg-col, .hg-col-sm { display: none; }

  .diff-grid { grid-template-columns: 1fr; }
  .diff-card--large { grid-column: span 1; }

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

  .steps { flex-direction: column; gap: 2rem; }
  .step { text-align: left; padding: 0; }
  .step-arrow { display: none; }

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

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .catalog-grid { grid-template-columns: 1fr; }
  .hero-grid { display: none; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn-ghost { text-align: center; justify-content: center; }
}