/* =============================================
   TOKENS & RESET
   ============================================= */
:root {
  --color-bg: #0a0a0f;
  --color-surface: #12121a;
  --color-surface-2: #1a1a26;
  --color-border: #ffffff12;
  --color-accent: #6366f1;
  --color-accent-light: #818cf8;
  --color-accent-glow: #6366f130;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-success: #10b981;
  --color-error: #ef4444;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 1px 3px #0000004d, 0 8px 24px #00000033;
  --shadow-glow: 0 0 60px #6366f122;

  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);

  --header-h: 70px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* =============================================
   LAYOUT
   ============================================= */
.container {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* =============================================
   TYPOGRAPHY HELPERS
   ============================================= */
.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition), backdrop-filter var(--transition), border-bottom var(--transition);
}

.header.scrolled {
  background: #0a0a0fcc;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo__name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.logo__img {
  height: 36px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* NAV */
.nav__list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav__link:hover { color: var(--color-text); }

.nav__link--cta {
  padding: 8px 20px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.nav__link--cta:hover {
  background: var(--color-accent-light);
  color: #fff;
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-accent-glow);
}

.btn--ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  transform: translateY(-2px);
}

.btn--full { width: 100%; }

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, #6366f118 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 10% 70%, #818cf810 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
  padding-block: 80px;
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero__accent {
  background: linear-gradient(135deg, var(--color-accent-light), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero photo */
.hero__photo {
  position: relative;
  display: flex;
  align-items: center;
  animation: float 5s ease-in-out infinite;
}

.hero__img {
  width: 320px;
  height: 320px;
  object-fit: cover;
  border-radius: 40% 60% 55% 45% / 50% 45% 55% 50%;
  border: 2px solid var(--color-accent);
  box-shadow: 0 0 60px #6366f130;
}

.hero__photo-badge {
  position: absolute;
  bottom: -12px;
  right: -16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 12px 18px;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.badge__number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
  letter-spacing: -0.04em;
}

.badge__label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.4;
  margin-top: 4px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* =============================================
   SERVICES
   ============================================= */
.services {
  padding-block: 120px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 36px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px #6366f118;
}

.service-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, #12121a, #1a1a2e);
  box-shadow: 0 0 40px #6366f115;
}

.service-card__badge {
  position: absolute;
  top: -12px;
  left: 36px;
  padding: 4px 14px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 50px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent-light);
  margin-bottom: 24px;
}

.service-card__icon svg { width: 100%; height: 100%; }

.service-card__title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.service-card__text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card__list li {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  padding-left: 16px;
  position: relative;
}

.service-card__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 0.75rem;
}

.service-card__screenshot {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-top: 24px;
  opacity: 0.85;
  border: 1px solid var(--color-border);
  transition: opacity var(--transition);
}

.service-card:hover .service-card__screenshot { opacity: 1; }

/* =============================================
   iOS NATIVO
   ============================================= */
.ios {
  padding-block: 120px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.ios__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
}

.ios__col {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.ios__col-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 32px;
  font-size: 1.05rem;
  font-weight: 700;
}

.ios__col-header svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.ios__col-header small {
  display: block;
  font-size: 0.78rem;
  font-weight: 400;
  opacity: 0.7;
  margin-top: 2px;
}

.ios__col-header--pro {
  background: linear-gradient(135deg, #1a1a2e, #12121a);
  color: var(--color-accent-light);
  border-bottom: 1px solid var(--color-accent);
}

.ios__col-header--pro svg { color: var(--color-accent-light); }

.ios__col-header--con {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.ios__col-header--con svg { color: var(--color-text-dim); }

.ios__list {
  display: flex;
  flex-direction: column;
  padding: 8px 0;
  background: var(--color-bg);
}

.ios__list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 32px;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.ios__list li:last-child { border-bottom: none; }
.ios__list li:hover { background: var(--color-surface); }

.ios__list li strong {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
}

.ios__list li span {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.ios__list--pro li strong { color: var(--color-text); }
.ios__list--pro li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: -2px;
}

.ios__list--con li strong { color: var(--color-text-muted); }
.ios__list--con li::before {
  content: '✗';
  color: var(--color-error);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: -2px;
}

/* Operativa interna */
.ios__ops {
  margin-top: 80px;
  padding-top: 72px;
  border-top: 1px solid var(--color-border);
}

.ios__ops-header {
  max-width: 680px;
  margin-bottom: 48px;
}

.ios__ops-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--color-text);
}

.ios__ops-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.ios__ops-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.ios__ops-card {
  padding: 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition), transform var(--transition);
}

.ios__ops-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.ios__ops-icon {
  width: 38px;
  height: 38px;
  color: var(--color-accent-light);
  margin-bottom: 16px;
}

.ios__ops-icon svg { width: 100%; height: 100%; }

.ios__ops-card h4 {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: var(--color-text);
}

.ios__ops-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

@media (max-width: 960px) {
  .ios__ops-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .ios__ops-grid { grid-template-columns: 1fr; }
}

.ios__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

.ios__cta p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

@media (max-width: 860px) {
  .ios__layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .ios__col-header { padding: 20px 24px; }
  .ios__list li { padding: 18px 24px; }
}

/* =============================================
   AI SECTION
   ============================================= */
.ai {
  padding-block: 120px;
}

.ai__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.ai-card {
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition), transform var(--transition);
}

.ai-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.ai-card--highlight {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, #12121a, #1a1a2e);
  display: flex;
  flex-direction: column;
}

.ai-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent-light);
  margin-bottom: 20px;
}

.ai-card__icon svg { width: 100%; height: 100%; }

.ai-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.ai-card__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.ai-card__cta {
  margin-top: auto;
  padding-top: 24px;
  align-self: flex-start;
}

.ai__callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 36px 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.ai__callout-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 600px;
}

.ai__callout-text strong { color: var(--color-text); }

@media (max-width: 960px) {
  .ai__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .ai__grid { grid-template-columns: 1fr; }
  .ai__callout { flex-direction: column; align-items: flex-start; }
}

/* =============================================
   ABOUT
   ============================================= */
.about {
  padding-block: 120px;
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__content .section-title { margin-bottom: 28px; }

.about__text {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about__text strong { color: var(--color-text); font-weight: 600; }

.about__stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.stat__number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-accent-light);
  line-height: 1;
}

.stat__label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 4px;
  font-weight: 500;
}

/* Tech tags */
.about__tech { padding-top: 20px; }

.about__tech-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 20px;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-tag {
  padding: 8px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.tech-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  background: var(--color-accent-glow);
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
  padding-block: 120px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 8px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-light);
  margin-top: 2px;
}

.contact-item__icon svg { width: 18px; height: 18px; }

.contact-item__label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 4px;
}

.contact-item__value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}

a.contact-item__value:hover { color: var(--color-accent-light); }

/* FORM */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.form-input {
  padding: 13px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder { color: var(--color-text-dim); }

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-input.error { border-color: var(--color-error); }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option { background: var(--color-surface); }

.form-textarea { resize: vertical; min-height: 130px; }

.form-error {
  font-size: 0.8rem;
  color: var(--color-error);
  min-height: 18px;
}

.form-feedback {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-feedback--success {
  background: #10b98118;
  border: 1px solid #10b98140;
  color: var(--color-success);
}

.form-feedback--error {
  background: #ef444418;
  border: 1px solid #ef444440;
  color: var(--color-error);
}

.form-feedback--error a { color: var(--color-error); text-decoration: underline; }

/* =============================================
   COOKIE BANNER
   ============================================= */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  width: calc(100% - 48px);
  max-width: 780px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 40px #00000066;
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner--hide {
  animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes slideDown {
  to { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px;
}

.cookie-banner__text p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.cookie-banner__text strong { color: var(--color-text); }

.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn--sm {
  padding: 10px 18px;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
  .cookie-banner { bottom: 16px; width: calc(100% - 32px); }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  padding-block: 32px;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.footer__legal {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  font-style: italic;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 960px) {
  .services__grid { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .about__inner { grid-template-columns: 1fr; gap: 48px; }
  .contact__inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__photo { display: none; }
  .about__stats { gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; text-align: center; }
  .contact-form { padding: 28px 20px; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 99;
  }
  .nav.open .nav__list { flex-direction: column; gap: 24px; }
  .nav.open .nav__link { font-size: 1.2rem; }
  .nav__toggle { display: flex; }
}