/* ============================================================
   style.css — Alonso Merchandising
   Design tokens + componentes globales
   ============================================================ */

:root, [data-theme='light'] {
  /* Superficies — blanco cálido / gris beige claro */
  --color-bg: #FBFAF7;
  --color-surface: #FFFFFF;
  --color-surface-2: #F5F3EE;
  --color-surface-offset: #EEEBE3;
  --color-surface-dark: #0F2C4A;   /* Azul marino profundo */
  --color-surface-darker: #0A2038;
  --color-divider: #E5E1D8;
  --color-border: #D9D4C7;

  /* Texto */
  --color-text: #14243A;           /* Casi azul marino */
  --color-text-muted: #5C6879;
  --color-text-faint: #A0A5AE;
  --color-text-inverse: #FBFAF7;
  --color-text-on-dark: #E8E1CE;   /* Cream sobre azul marino */

  /* Accents corporativos */
  --color-primary: #0F2C4A;        /* Azul marino */
  --color-primary-hover: #163A61;
  --color-primary-active: #0A2038;
  --color-primary-highlight: #D8DEE7;

  --color-accent: #B08D3F;         /* Dorado sobrio */
  --color-accent-hover: #C9A356;
  --color-accent-active: #8E6F2C;
  --color-accent-highlight: #F0E6CE;

  --color-success: #437A22;
  --color-warning: #964219;
  --color-error: #A12C7B;

  /* Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 240 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.2 0.02 240 / 0.08);
  --shadow-lg: 0 12px 40px oklch(0.2 0.02 240 / 0.12);
  --shadow-xl: 0 24px 60px oklch(0.2 0.02 240 / 0.16);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1280px;
  --content-full: 100%;

  /* Type scale (fluid) */
  --text-xs:   clamp(0.75rem, 0.7rem + 0.15vw, 0.8125rem);   /* 12→13 */
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.2vw, 0.9375rem); /* 13→15 */
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);      /* 16→17 */
  --text-md:   clamp(1.0625rem, 1rem + 0.35vw, 1.1875rem);   /* 17→19 */
  --text-lg:   clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);      /* 20→24 */
  --text-xl:   clamp(1.5rem, 1.3rem + 1vw, 2rem);            /* 24→32 */
  --text-2xl:  clamp(1.875rem, 1.5rem + 1.75vw, 2.75rem);    /* 30→44 */
  --text-3xl:  clamp(2.375rem, 1.8rem + 2.6vw, 3.75rem);     /* 38→60 */
  --text-hero: clamp(2.75rem, 1.8rem + 4.5vw, 5rem);         /* 44→80 */

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Typography */
  --font-display: 'Fraunces', 'Playfair Display', Georgia, serif;
  --font-body: 'Manrope', 'Inter', 'Helvetica Neue', sans-serif;
}

/* ============================================================
   Dark mode
   ============================================================ */
[data-theme='dark'] {
  --color-bg: #0A1523;
  --color-surface: #10203A;
  --color-surface-2: #142A48;
  --color-surface-offset: #1A3357;
  --color-surface-dark: #050D1A;
  --color-surface-darker: #030812;
  --color-divider: #1E3961;
  --color-border: #274871;

  --color-text: #E8E1CE;
  --color-text-muted: #8A97A8;
  --color-text-faint: #556275;
  --color-text-inverse: #14243A;
  --color-text-on-dark: #E8E1CE;

  --color-primary: #E8E1CE;
  --color-primary-hover: #F0EBDC;
  --color-primary-active: #FBFAF7;
  --color-primary-highlight: #1E3961;

  --color-accent: #D4AC5E;
  --color-accent-hover: #E5C079;
  --color-accent-active: #B08D3F;
  --color-accent-highlight: #2A2517;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.4);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.5);
  --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.6);
  --shadow-xl: 0 24px 60px oklch(0 0 0 / 0.7);
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-10));
}

.container--narrow { max-width: var(--content-default); }
.container--tight { max-width: var(--content-narrow); }

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section--tight { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
  background: color-mix(in oklab, var(--color-bg) 96%, transparent);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
  min-height: 5.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text);
}

.brand__mark {
  width: 3.5rem;
  height: 3.5rem;
  flex: none;
  color: var(--color-primary);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
  line-height: 1;
}

.brand__sub {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 6px;
  font-weight: 500;
}

@media (max-width: 640px) {
  .brand__mark { width: 2.75rem; height: 2.75rem; }
  .brand__name { font-size: 1.25rem; }
  .brand__sub { font-size: 0.6875rem; letter-spacing: 0.18em; }
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-2);
  white-space: nowrap;
}

.nav a:hover,
.nav a[aria-current='page'] {
  color: var(--color-text);
}

.nav a[aria-current='page']::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  display: inline-grid;
  place-items: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  color: var(--color-text);
  border-radius: var(--radius-md);
}

@media (max-width: 1180px) {
  .nav-toggle { display: inline-grid; }
  .nav {
    position: fixed;
    inset: 0;
    top: 4.5rem;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-8) var(--space-6);
    gap: var(--space-2);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 90;
  }
  .nav.is-open { transform: translateX(0); }
  .nav a {
    padding-block: var(--space-4);
    border-bottom: 1px solid var(--color-divider);
    font-size: var(--text-md);
    white-space: normal;
  }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  min-height: 2.75rem;
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-offset);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  padding-inline: var(--space-3);
}

.btn--ghost:hover { color: var(--color-accent); }

.btn--small {
  padding: var(--space-2) var(--space-4);
  min-height: 2.25rem;
  font-size: var(--text-xs);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  min-height: 3.25rem;
  font-size: var(--text-base);
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--transition-interactive);
}

.btn:hover .btn__arrow { transform: translateX(4px); }

/* Header quote CTA */
.btn-quote {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  min-height: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.btn-quote span { white-space: nowrap; }

.btn-quote:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

@media (max-width: 640px) {
  .btn-quote span { display: none; }
  .btn-quote { padding: var(--space-2); width: 2.5rem; justify-content: center; }
}

/* ============================================================
   Utilidades tipográficas
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.eyebrow::before {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: var(--color-accent);
}

.eyebrow--center::before { display: none; }

.h1 { font-size: var(--text-3xl); }
.h2 { font-size: var(--text-2xl); }
.h3 { font-size: var(--text-xl); }
.h4 { font-size: var(--text-lg); }

.lead {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.55;
  max-width: 60ch;
}

.muted { color: var(--color-text-muted); }

.italic { font-style: italic; }

/* Serif emphasis inside sans headlines */
.serif-em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24)) clamp(var(--space-16), 8vw, var(--space-32));
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1.1fr 1fr; }
}

.hero__content { max-width: 34rem; }

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-block: var(--space-6) var(--space-6);
}

.hero__subtitle {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: var(--space-8);
  max-width: 32rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.hero__note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.hero__note-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-accent-highlight);
  color: var(--color-accent-active);
  flex: none;
}

.hero__image {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

@media (min-width: 900px) {
  .hero__image { aspect-ratio: 5/6; }
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image-badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  padding: var(--space-3) var(--space-4);
  background: color-mix(in oklab, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__image-badge strong {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-md);
  letter-spacing: -0.01em;
}

/* ============================================================
   Need finder
   ============================================================ */
.need-finder {
  background: var(--color-surface-2);
}

.need-finder__grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-10);
}

@media (max-width: 1200px) {
  .need-finder__grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
}

@media (max-width: 640px) {
  .need-finder__grid { grid-template-columns: repeat(2, 1fr); }
}

.need-tile {
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  cursor: pointer;
  transition: all var(--transition-interactive);
  min-height: 0;
}

.need-tile:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.need-tile__icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent);
  flex: none;
}

.need-tile__label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.005em;
  line-height: 1.2;
}

.need-tile__hint {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

@media (min-width: 1200px) {
  .need-tile__hint { display: none; }
}

/* ============================================================
   Category tiles
   ============================================================ */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  align-items: end;
}

@media (min-width: 800px) {
  .section-head { grid-template-columns: 1.4fr 1fr; }
  .section-head__aside { text-align: right; }
}

.section-head__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-top: var(--space-3);
  max-width: 24ch;
}

.section-head__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 44ch;
  margin-left: auto;
}

.section-head--center {
  text-align: center;
  grid-template-columns: 1fr !important;
  place-items: center;
}

.section-head--center .section-head__title,
.section-head--center .section-head__desc {
  margin-inline: auto;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.cat-card {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-2);
  cursor: pointer;
  transition: transform var(--transition-slow);
  border: 1px solid var(--color-border);
}

.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.cat-card__img {
  width: 100%;
  height: 60%;
  object-fit: cover;
  background: var(--color-surface-offset);
}

.cat-card__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 40%;
}

.cat-card__name {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.cat-card__arrow {
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), transform var(--transition-interactive);
  align-self: flex-end;
}

.cat-card:hover .cat-card__arrow {
  color: var(--color-accent);
  transform: translate(3px, -3px);
}

/* ============================================================
   Product cards
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-interactive);
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-card__media {
  aspect-ratio: 1/1;
  background: var(--color-surface-offset);
  position: relative;
  overflow: hidden;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  font-size: var(--text-xs);
  border-radius: var(--radius-full);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.product-card__badge--accent {
  background: var(--color-accent);
  color: var(--color-primary);
}

.product-card__body {
  padding: var(--space-5) var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.product-card__cat {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.product-card__name {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: var(--space-1);
}

.product-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: auto;
  padding-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.product-card__meta strong { color: var(--color-text); font-weight: 500; }

.product-card__actions {
  display: flex;
  gap: var(--space-2);
  padding: 0 var(--space-5) var(--space-5);
}

.product-card__actions .btn {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  min-height: 2.5rem;
}

/* Placeholder marker (contenido de demostración) */
.placeholder-tag {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 2px var(--space-2);
  background: var(--color-warning);
  color: white;
  font-size: 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.85;
}

/* ============================================================
   Three ways / Feature tri-columns
   ============================================================ */
.tri-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-12);
  border-top: 1px solid var(--color-divider);
}

.tri-col {
  padding: var(--space-10) var(--space-6);
  border-right: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.tri-col:last-child { border-right: none; }

@media (max-width: 860px) {
  .tri-col { border-right: none; border-bottom: 1px solid var(--color-divider); }
  .tri-col:last-child { border-bottom: none; }
}

.tri-col__num {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.12em;
}

.tri-col__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.tri-col__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.tri-col__link {
  margin-top: auto;
  padding-top: var(--space-3);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.tri-col__link:hover { color: var(--color-accent-hover); }
.tri-col__link:hover .btn__arrow { transform: translateX(4px); }

/* ============================================================
   Projects / Portfolio
   ============================================================ */
.projects-section { background: var(--color-surface-2); }

.projects-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block: var(--space-8) var(--space-10);
}

.filter-chip {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
}

.filter-chip:hover { border-color: var(--color-primary); color: var(--color-text); }
.filter-chip.is-active { background: var(--color-primary); color: var(--color-text-on-dark); border-color: var(--color-primary); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card--large { grid-column: span 12; aspect-ratio: 16/9; }
.project-card--wide { grid-column: span 8; aspect-ratio: 16/10; }
.project-card--half { grid-column: span 6; aspect-ratio: 4/5; }
.project-card--third { grid-column: span 4; aspect-ratio: 4/5; }

@media (max-width: 900px) {
  .project-card--large,
  .project-card--wide,
  .project-card--half,
  .project-card--third { grid-column: span 12; aspect-ratio: 4/5; }
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__img { transform: scale(1.04); }

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 32, 56, 0.92) 100%);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #FBFAF7;
}

.project-card__sector {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: #FBFAF7;
}

.project-card--large .project-card__title { font-size: var(--text-xl); }

.project-card__desc {
  font-size: var(--text-sm);
  color: rgba(251, 250, 247, 0.85);
  margin-top: var(--space-2);
  max-width: 40ch;
}

/* ============================================================
   Client logos band
   ============================================================ */
.logos-band {
  padding-block: var(--space-16);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}

.logos-band__label {
  text-align: center;
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.logos-band__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-8);
  align-items: center;
  justify-items: center;
  opacity: 0.55;
}

.logos-band__logo {
  font-family: var(--font-display);
  font-size: var(--text-md);
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  font-style: italic;
  text-align: center;
}

/* ============================================================
   Services icons grid
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.service-item {
  padding: var(--space-6) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.service-item__icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.service-item__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.service-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ============================================================
   Process (5 steps)
   ============================================================ */
.process-section {
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
}

.process-section .section-head__title { color: #FBFAF7; }
.process-section .section-head__desc { color: rgba(232, 225, 206, 0.75); }
.process-section .eyebrow { color: var(--color-accent); }

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
  border-top: 1px solid rgba(232, 225, 206, 0.18);
  padding-top: var(--space-10);
}

@media (max-width: 900px) {
  .process-steps { grid-template-columns: 1fr; gap: var(--space-8); border-top: none; padding-top: 0; }
}

.process-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-right: var(--space-4);
  border-left: 1px solid rgba(232, 225, 206, 0.18);
  padding-left: var(--space-5);
}

@media (max-width: 900px) {
  .process-step {
    border-left: none;
    border-top: 1px solid rgba(232, 225, 206, 0.18);
    padding-top: var(--space-5);
    padding-left: 0;
  }
}

.process-step__num {
  font-family: var(--font-display);
  font-size: var(--text-md);
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.process-step__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 500;
  color: #FBFAF7;
  letter-spacing: -0.01em;
}

.process-step__desc {
  font-size: var(--text-sm);
  color: rgba(232, 225, 206, 0.75);
  line-height: 1.55;
}

/* ============================================================
   Volume discounts
   ============================================================ */
.volume-section .section-head__title span {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-accent);
}

.volume-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
  margin-top: var(--space-10);
}

@media (max-width: 900px) { .volume-grid { grid-template-columns: 1fr; } }

.volume-tiers {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-divider);
}

.volume-tier {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-divider);
}

.volume-tier__range {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  min-width: 8rem;
}

.volume-tier__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.volume-tier__ind {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.volume-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--color-accent);
}

.volume-aside {
  padding: var(--space-8);
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  position: sticky;
  top: 6rem;
}

.volume-aside h3 {
  font-family: var(--font-display);
  color: #FBFAF7;
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.volume-aside p {
  font-size: var(--text-sm);
  color: rgba(232, 225, 206, 0.85);
  line-height: 1.55;
  margin-bottom: var(--space-5);
}

.volume-aside .btn {
  background: var(--color-accent);
  color: var(--color-primary);
  width: 100%;
}

.volume-aside .btn:hover { background: var(--color-accent-hover); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 780px;
  margin: var(--space-12) auto 0;
  border-top: 1px solid var(--color-divider);
}

.faq-item {
  border-bottom: 1px solid var(--color-divider);
}

.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
  text-align: left;
  width: 100%;
}

.faq-item__q:hover { color: var(--color-accent); }

.faq-item__toggle {
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  display: grid;
  place-items: center;
  transition: transform var(--transition-interactive), background var(--transition-interactive);
  font-size: 1.25rem;
  line-height: 1;
}

.faq-item.is-open .faq-item__toggle {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: var(--color-primary);
}

.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.faq-item.is-open .faq-item__a {
  max-height: 600px;
  padding: 0 0 var(--space-6);
}

/* ============================================================
   CTA final
   ============================================================ */
.cta-final {
  background: var(--color-surface-dark);
  color: var(--color-text-on-dark);
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(176, 141, 63, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(176, 141, 63, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta-final__content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 40rem;
  margin: 0 auto;
}

.cta-final__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: #FBFAF7;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.cta-final__title em {
  font-style: italic;
  color: var(--color-accent);
}

.cta-final__desc {
  font-size: var(--text-md);
  color: rgba(232, 225, 206, 0.8);
  margin-bottom: var(--space-8);
  line-height: 1.55;
  max-width: 40ch;
  margin-inline: auto;
}

.cta-final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.cta-final .btn--primary {
  background: var(--color-accent);
  color: var(--color-primary);
}

.cta-final .btn--primary:hover {
  background: var(--color-accent-hover);
}

.cta-final .btn--outline {
  border-color: rgba(232, 225, 206, 0.4);
  color: #FBFAF7;
}

.cta-final .btn--outline:hover {
  border-color: var(--color-accent);
  background: rgba(176, 141, 63, 0.1);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-surface-darker);
  color: var(--color-text-on-dark);
  padding-top: var(--space-24);
  padding-bottom: var(--space-8);
  border-top: 1px solid rgba(232, 225, 206, 0.08);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-16);
}

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

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

.footer__brand-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.footer__brand-block .brand__name { color: #FBFAF7; }
.footer__brand-block .brand__sub { color: rgba(232, 225, 206, 0.6); }

.footer__desc {
  font-size: var(--text-sm);
  color: rgba(232, 225, 206, 0.7);
  line-height: 1.6;
  max-width: 30ch;
}

.footer__group-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: rgba(232, 225, 206, 0.75);
}

.footer__links a:hover { color: #FBFAF7; }

.footer__contact-item {
  font-size: var(--text-sm);
  color: rgba(232, 225, 206, 0.75);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.footer__contact-item svg {
  flex: none;
  color: var(--color-accent);
  margin-top: 2px;
}

.footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(232, 225, 206, 0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(232, 225, 206, 0.5);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-5);
}

.footer__bottom-links a { color: rgba(232, 225, 206, 0.5); }
.footer__bottom-links a:hover { color: var(--color-accent); }

/* ============================================================
   Page hero (interior pages)
   ============================================================ */
.page-hero {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
}

.page-hero__inner {
  max-width: 44rem;
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-block: var(--space-4) var(--space-5);
}

.page-hero__desc {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.55;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs__sep { color: var(--color-text-faint); }

/* ============================================================
   Sostenibilidad section
   ============================================================ */
.sustain-section {
  background: var(--color-surface-2);
}

.sustain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

@media (max-width: 900px) { .sustain-grid { grid-template-columns: 1fr; } }

.sustain-image {
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.sustain-image img { width: 100%; height: 100%; object-fit: cover; }

.sustain-points {
  list-style: none;
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-4);
}

.sustain-points li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.sustain-points svg {
  flex: none;
  color: var(--color-accent);
  margin-top: 3px;
}

/* ============================================================
   Cookies banner
   ============================================================ */
.cookies {
  position: fixed;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  max-width: 44rem;
  margin-inline: auto;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  z-index: 200;
  transform: translateY(150%);
  transition: transform var(--transition-slow);
}

.cookies.is-visible { transform: translateY(0); }

.cookies__text {
  flex: 1;
  min-width: 240px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.cookies__text a { color: var(--color-accent); text-decoration: underline; }

.cookies__actions {
  display: flex;
  gap: var(--space-2);
}

/* ============================================================
   Animation on scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}