:root {
  --color-bg: #F5F3F0;
  --color-bg-alt: #EAE6E0;
  --color-bg-dark: #1A1D21;
  --color-bg-deeper: #121418;
  --color-text: #1A1D21;
  --color-text-light: #5A5E64;
  --color-text-lighter: #8A8E94;
  --color-accent: #A07335;
  --color-accent-light: #C49A5C;
  --color-accent-dark: #7A5524;
  --color-white: #FAF9F7;
  --color-border: rgba(26, 29, 33, 0.08);

  --font-display: 'Playfair Display', 'pd-fallback', Georgia, serif;
  --font-body: 'DM Sans', 'dm-fallback', Arial, sans-serif;
  --font-ui: 'DM Sans', 'dm-fallback', Arial, sans-serif;

  --max-width: 1440px;
  --content-width: 1200px;
  --nav-height: clamp(64px, 5vw, 80px);

  --spacing-xs: clamp(4px, 0.5vw, 8px);
  --spacing-sm: clamp(12px, 1vw, 16px);
  --spacing-md: clamp(16px, 2vw, 24px);
  --spacing-lg: clamp(32px, 3.5vw, 48px);
  --spacing-xl: clamp(48px, 5vw, 80px);
  --spacing-2xl: clamp(64px, 8vw, 128px);
  --spacing-3xl: clamp(96px, 12vw, 192px);

  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.1vw, 1rem);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: var(--color-white);
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10001;
  padding: 12px 24px;
  background: var(--color-accent-dark);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: top 200ms;
}

.skip-link:focus {
  top: 16px;
}


/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(245, 243, 240, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav__logo-text {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
}

.nav__logo-badge {
  font-family: var(--font-ui);
  font-size: clamp(0.55rem, 0.6vw, 0.62rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  border: 1px solid var(--color-accent);
  padding: 3px 10px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__link {
  font-family: var(--font-ui);
  font-size: clamp(0.7rem, 0.85vw, 0.78rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-light);
  position: relative;
  padding: 4px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 400ms var(--ease-out-expo);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.nav__link--cta {
  background: var(--color-accent-dark);
  color: var(--color-white) !important;
  padding: clamp(8px, 0.8vw, 10px) clamp(16px, 1.8vw, 24px);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--color-accent);
}

.nav__link--back {
  color: var(--color-accent) !important;
  font-weight: 600;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 4px;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 300ms var(--ease-out-expo), opacity 300ms var(--ease-out-expo);
}

.nav__toggle--open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle--open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav__mobile {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-bg-deeper);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 400ms var(--ease-out-expo);
}

.nav__mobile--open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav__mobile ul {
  text-align: center;
}

.nav__mobile a {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 500;
  color: var(--color-white);
  padding: var(--spacing-sm) 0;
}

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


/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: clamp(0.65rem, 0.8vw, 0.75rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: clamp(12px, 1.3vw, 16px) clamp(28px, 3vw, 40px);
  cursor: pointer;
  transition: transform 400ms var(--ease-out-expo);
  position: relative;
}

.btn--primary {
  background: var(--color-accent-dark);
  color: #fff;
  border: none;
}

.btn--primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

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

.btn--ghost:hover {
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent-dark);
  border: 1px solid var(--color-accent);
}

.btn--outline:hover {
  transform: translateY(-2px);
}


/* ===== SECTION TAGS ===== */
.section-tag {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: clamp(0.6rem, 0.7vw, 0.68rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-text);
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--color-text-light);
  margin-top: var(--spacing-md);
  max-width: 560px;
}


/* ===== HERO ===== */
.hero {
  padding: calc(var(--nav-height) + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-2xl);
  background: var(--color-bg-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(160, 115, 53, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 80% 40%, rgba(160, 115, 53, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__container {
  max-width: var(--content-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero__tagline {
  font-family: var(--font-ui);
  font-size: clamp(0.6rem, 0.7vw, 0.68rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-md);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.12;
  margin-bottom: var(--spacing-md);
}

.hero__text {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.7);
  max-width: 480px;
  margin-bottom: var(--spacing-lg);
}

.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.hero__stat-label {
  font-family: var(--font-ui);
  font-size: clamp(0.62rem, 0.75vw, 0.7rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-top: var(--spacing-xs);
}


/* ===== SERVICES ===== */
.services {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.services__container {
  max-width: var(--content-width);
  margin: 0 auto;
}

.services__header {
  margin-bottom: var(--spacing-2xl);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.service-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  transition: transform 400ms var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 400ms var(--ease-out-expo);
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  display: flex;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.service-card__text {
  font-size: clamp(0.85rem, 0.95vw, 0.92rem);
  color: var(--color-text-light);
  line-height: 1.6;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--spacing-md);
}

.service-card__tag {
  font-family: var(--font-ui);
  font-size: clamp(0.58rem, 0.65vw, 0.62rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  border: 1px solid rgba(160, 115, 53, 0.25);
  padding: 4px 10px;
}


/* ===== FOR CLIENTS ===== */
.clients {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.clients__container {
  max-width: var(--content-width);
  margin: 0 auto;
}

.clients__header {
  margin-bottom: var(--spacing-2xl);
}

.clients .section-tag {
  color: var(--color-accent-light);
}

.clients .section-title {
  color: var(--color-white);
}

.clients .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.clients__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.client-card {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 400ms var(--ease-out-expo);
}

.client-card:hover {
  transform: translateY(-4px);
}

.client-card__icon {
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-md);
  display: inline-flex;
}

.client-card__title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.client-card__text {
  font-size: clamp(0.8rem, 0.9vw, 0.88rem);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}


/* ===== PROCESS ===== */
.process {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.process__container {
  max-width: var(--content-width);
  margin: 0 auto;
}

.process__header {
  margin-bottom: var(--spacing-2xl);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  position: relative;
}

.process__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 14px);
  right: calc(12.5% + 14px);
  height: 1px;
  background: var(--color-border);
  z-index: 0;
}

.process__step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process__step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-dark);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

.process__step-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.process__step-text {
  font-size: clamp(0.8rem, 0.9vw, 0.88rem);
  color: var(--color-text-light);
  line-height: 1.5;
}


/* ===== EQUIPMENT ===== */
.equipment {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: var(--color-bg-alt);
}

.equipment__container {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.equipment__text .section-tag {
  margin-bottom: var(--spacing-md);
}

.equipment__text p {
  font-size: clamp(0.9rem, 1.05vw, 1rem);
  color: var(--color-text-light);
  margin-top: var(--spacing-md);
  line-height: 1.7;
}

.equipment__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.equipment__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-ui);
  font-size: clamp(0.72rem, 0.82vw, 0.8rem);
  color: var(--color-text-light);
}

.equipment__item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.equipment__image {
  overflow: hidden;
  align-self: center;
}

.equipment__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}


/* ===== CTA ===== */
.cta {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: var(--color-accent-dark);
  color: var(--color-white);
  text-align: center;
}

.cta__container {
  max-width: 640px;
  margin: 0 auto;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
}

.cta__text {
  font-size: clamp(0.9rem, 1.1vw, 1rem);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--spacing-lg);
}

.cta__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  max-width: 520px;
  margin: 0 auto;
}

.cta__form input,
.cta__form select,
.cta__form textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  font-family: var(--font-ui);
  font-size: clamp(0.75rem, 0.85vw, 0.82rem);
  outline: none;
}

.cta__form input::placeholder,
.cta__form textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.cta__form select {
  color: rgba(255, 255, 255, 0.7);
}

.cta__form select option {
  color: var(--color-text);
  background: var(--color-white);
}

.cta__form textarea {
  grid-column: 1 / -1;
  min-height: 100px;
  resize: vertical;
  font-family: var(--font-ui);
}

.cta__form .btn {
  grid-column: 1 / -1;
  justify-self: center;
  background: var(--color-white);
  color: var(--color-accent-dark);
  font-weight: 700;
  margin-top: var(--spacing-sm);
}

.cta__form .btn:hover {
  transform: translateY(-2px);
}


/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-deeper);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
}

.footer__container {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  font-weight: 700;
  font-style: italic;
}

.footer__brand p {
  font-size: clamp(0.78rem, 0.9vw, 0.85rem);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--spacing-sm);
  max-width: 300px;
  line-height: 1.6;
}

.footer__heading {
  display: block;
  font-family: var(--font-ui);
  font-size: clamp(0.6rem, 0.7vw, 0.68rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-md);
}

.footer__links a {
  font-family: var(--font-ui);
  font-size: clamp(0.75rem, 0.85vw, 0.82rem);
  color: rgba(255, 255, 255, 0.7);
  display: block;
  padding: 4px 0;
}

.footer__links a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer__bottom {
  grid-column: 1 / -1;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: clamp(0.62rem, 0.75vw, 0.7rem);
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}


/* ===== WHATSAPP ===== */
.whatsapp-float {
  position: fixed;
  bottom: clamp(20px, 2.2vw, 28px);
  right: clamp(20px, 2.2vw, 28px);
  z-index: 900;
  width: clamp(50px, 5vw, 60px);
  height: clamp(50px, 5vw, 60px);
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transition: transform 300ms var(--ease-out-expo);
  will-change: transform;
}

.whatsapp-float:hover {
  transform: scale(1.12);
}


/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .hero__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
  }

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

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

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

  .equipment__image {
    aspect-ratio: 16 / 9;
    order: -1;
  }

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

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-3xl: clamp(80px, 22vw, 120px);
    --spacing-2xl: clamp(56px, 15vw, 80px);
  }

  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

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

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

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

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

  .process__steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .process__steps::before {
    display: none;
  }

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

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

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

  .footer__bottom {
    flex-direction: column;
  }
}