/* ==========================================================================
   DAMIÁN RIBAS ARQUITECTURA — Design System
   Aesthetic: Minimal, warm, architectural — inspired by Mediterranean stone & light
   ========================================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --c-bg:          #F7F5F0;
  --c-bg-alt:      #EDE8E0;
  --c-bg-dark:     #2A2A28;
  --c-text:        #2A2A28;
  --c-text-light:  #6B6860;
  --c-text-inv:    #F7F5F0;
  --c-accent:      #C4384B;
  --c-stone:       #B5A898;
  --c-border:      #D4CFC7;
  --c-overlay:     rgba(42, 42, 40, 0.55);

  /* Typography */
  --ff-heading:    'Cormorant Garamond', Georgia, serif;
  --ff-body:       'Inter', -apple-system, sans-serif;
  --fw-light:      300;
  --fw-regular:    400;
  --fw-medium:     500;
  --fw-semibold:   600;

  /* Spacing */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2.5rem;
  --sp-xl:  4rem;
  --sp-2xl: 6rem;
  --sp-3xl: 8rem;

  /* Layout */
  --max-w:   1320px;
  --max-w-narrow: 900px;
  --gutter:  clamp(1.5rem, 4vw, 4rem);

  /* Transitions */
  --ease:    cubic-bezier(0.23, 1, 0.32, 1);
  --dur:     0.5s;
  --dur-fast: 0.3s;

  /* Radius */
  --radius:  2px;
  --radius-lg: 4px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-weight: var(--fw-regular);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--ff-heading);
  font-weight: var(--fw-light);
  line-height: 1.15;
}

h1 { font-size: clamp(2.75rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.125rem, 1.5vw, 1.5rem); }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; }

.text-accent { color: var(--c-accent); }
.text-light { color: var(--c-text-light); }
.text-center { text-align: center; }

.lead {
  font-size: clamp(1.125rem, 1.5vw, 1.35rem);
  line-height: 1.75;
  color: var(--c-text-light);
  max-width: 55ch;
}

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--max-w-narrow);
}

.section {
  padding-block: var(--sp-3xl);
}

.section--dark {
  background: var(--c-bg-dark);
  color: var(--c-text-inv);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--sp-sm); }
.gap-md { gap: var(--sp-md); }
.gap-lg { gap: var(--sp-lg); }
.gap-xl { gap: var(--sp-xl); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding-block: var(--sp-md);
  transition: background var(--dur) var(--ease),
              padding var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease);
}

/* Dark gradient veil behind nav on hero pages — ensures readability over any photo */
.nav--hero::before {
  content: '';
  position: absolute;
  inset: 0;
  bottom: -40px;
  background: linear-gradient(
    to bottom,
    rgba(20, 20, 18, 0.55) 0%,
    rgba(20, 20, 18, 0.3) 50%,
    transparent 100%
  );
  z-index: -1;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.nav--hero.scrolled::before {
  opacity: 0;
}

.nav.scrolled {
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding-block: var(--sp-sm);
  box-shadow: 0 1px 0 var(--c-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.nav__logo img {
  height: 36px;
  width: auto;
  transition: height var(--dur) var(--ease);
}

.nav.scrolled .nav__logo img {
  height: 28px;
}

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

.nav__link {
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text);
  position: relative;
  padding-block: var(--sp-xs);
  transition: color var(--dur-fast) var(--ease);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-accent);
  transition: width var(--dur) var(--ease);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

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

/* Hero-specific nav (white text on dark image) */
.nav--hero .nav__link {
  color: var(--c-text-inv);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.nav--hero .nav__link:hover,
.nav--hero .nav__link.active {
  color: var(--c-accent);
}

.nav--hero.scrolled .nav__link {
  color: var(--c-text);
  text-shadow: none;
}

.nav--hero.scrolled .nav__link:hover,
.nav--hero.scrolled .nav__link.active {
  color: var(--c-accent);
}

/* Logo brightness on hero */
.nav--hero .nav__logo img {
  filter: brightness(0) invert(1);
  transition: filter var(--dur) var(--ease), height var(--dur) var(--ease);
}

.nav--hero.scrolled .nav__logo img {
  filter: none;
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: var(--sp-md);
  border-left: 1px solid var(--c-border);
  padding-left: var(--sp-md);
}

.lang-switch__btn {
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: var(--radius);
  transition: all var(--dur-fast) var(--ease);
  color: var(--c-text-light);
}

.lang-switch__btn:hover {
  color: var(--c-accent);
}

.lang-switch__btn.active {
  color: var(--c-accent);
  background: rgba(196, 56, 75, 0.08);
}

.nav--hero .lang-switch {
  border-left-color: rgba(255,255,255,0.25);
}

.nav--hero .lang-switch__btn {
  color: rgba(255,255,255,0.7);
}

.nav--hero .lang-switch__btn:hover,
.nav--hero .lang-switch__btn.active {
  color: var(--c-accent);
}

.nav--hero.scrolled .lang-switch {
  border-left-color: var(--c-border);
}

.nav--hero.scrolled .lang-switch__btn {
  color: var(--c-text-light);
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--c-text);
  transition: all var(--dur-fast) var(--ease);
  transform-origin: center;
}

.nav--hero .nav__toggle span {
  background: var(--c-text-inv);
}

.nav--hero.scrolled .nav__toggle span {
  background: var(--c-text);
}

.nav__toggle.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

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

.nav__toggle.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--c-bg);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

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

.nav__mobile-menu .nav__link {
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--c-text);
}

.nav__mobile-menu .lang-switch {
  border-left: none;
  margin-left: 0;
  padding-left: 0;
  margin-top: var(--sp-md);
}

.nav__mobile-menu .lang-switch__btn {
  color: var(--c-text-light);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
}

/* ---------- Hero Slider ---------- */
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slider__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-slider__slide.active {
  opacity: 1;
}

.hero-slider__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenBurns 8s ease-in-out infinite alternate;
}

.hero-slider__slide:nth-child(2) img { animation-delay: -2s; }
.hero-slider__slide:nth-child(3) img { animation-delay: -4s; }
.hero-slider__slide:nth-child(4) img { animation-delay: -6s; }
.hero-slider__slide:nth-child(5) img { animation-delay: -1s; }

@keyframes kenBurns {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.08) translate(-1%, -1%); }
}

/* Slider progress dots */
.hero-slider__dots {
  position: absolute;
  bottom: var(--sp-lg);
  right: var(--gutter);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.hero-slider__dot {
  width: 28px;
  height: 2px;
  background: rgba(247, 245, 240, 0.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}

.hero-slider__dot::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(247, 245, 240, 0.9);
  transform: scaleX(0);
  transform-origin: left;
  transition: none;
}

.hero-slider__dot.active::after {
  transform: scaleX(1);
  transition: transform 6s linear;
}

.hero-slider__dot:hover {
  background: rgba(247, 245, 240, 0.5);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(20, 20, 18, 0.45) 0%,
      rgba(20, 20, 18, 0.1) 25%,
      transparent 40%
    ),
    linear-gradient(
      to top,
      rgba(20, 20, 18, 0.75) 0%,
      rgba(20, 20, 18, 0.25) 35%,
      transparent 60%
    );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--sp-3xl) var(--gutter) var(--sp-2xl);
  max-width: var(--max-w);
  width: 100%;
  margin-inline: auto;
}

.hero__title {
  color: var(--c-text-inv);
  font-weight: var(--fw-light);
  margin-bottom: var(--sp-sm);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6), 0 1px 4px rgba(0, 0, 0, 0.4);
}

.hero__title span {
  display: block;
  font-size: 0.4em;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-family: var(--ff-body);
  font-weight: var(--fw-light);
  margin-bottom: var(--sp-xs);
  opacity: 0.85;
}

.hero__subtitle {
  color: rgba(247, 245, 240, 0.9);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: var(--fw-light);
  letter-spacing: 0.05em;
  max-width: 500px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero__scroll {
  position: absolute;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-xs);
  color: rgba(247, 245, 240, 0.6);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(247, 245, 240, 0.6), transparent);
  animation: scrollPulse 2s var(--ease) infinite;
}

/* ---------- Stats ---------- */
.stats {
  display: flex;
  justify-content: center;
  gap: var(--sp-3xl);
  text-align: center;
}

.stats > div {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat__number {
  font-family: var(--ff-heading);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: var(--fw-light);
  color: var(--c-text);
  line-height: 1;
}

.stat__suffix {
  font-family: var(--ff-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--fw-light);
  color: var(--c-accent);
  line-height: 1;
  margin-top: -0.2em;
}

.stat__label {
  margin-top: var(--sp-sm);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text-light);
  line-height: 1.6;
}

/* Stats on light background */
.section--stats {
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

/* ---------- Hero - Page (smaller) ---------- */
.hero--page {
  height: 50vh;
  min-height: 400px;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* Page heroes get a much stronger, uniform dark overlay */
.hero--page .hero__overlay {
  background: rgba(20, 20, 18, 0.55);
}

.hero--page .hero__content {
  padding: var(--sp-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero--page .hero__title {
  text-shadow: 0 3px 30px rgba(0, 0, 0, 0.7), 0 1px 6px rgba(0, 0, 0, 0.5);
}

.hero--page .hero__subtitle {
  background: rgba(20, 20, 18, 0.3);
  padding: var(--sp-xs) var(--sp-md);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* ---------- Philosophy / Split Section ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
  align-items: center;
}

.split__text {
  padding-right: var(--sp-xl);
}

.split__eyebrow {
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-sm);
}

.split__title {
  margin-bottom: var(--sp-md);
}

.split__body {
  color: var(--c-text-light);
  margin-bottom: var(--sp-lg);
  line-height: 1.8;
}

.split__image {
  position: relative;
  overflow: hidden;
}

.split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
}

.split__image::after {
  content: '';
  position: absolute;
  top: var(--sp-md);
  right: calc(var(--sp-md) * -1);
  width: 100%;
  height: 100%;
  border: 1px solid var(--c-border);
  z-index: -1;
}

/* ---------- Projects Grid ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-sm);
}

/* Asymmetric layout for featured */
.projects-grid--featured {
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(280px, auto);
}

.projects-grid--featured .project-card:nth-child(1) {
  grid-column: 1 / 8;
  grid-row: 1 / 3;
}

.projects-grid--featured .project-card:nth-child(2) {
  grid-column: 8 / 13;
  grid-row: 1 / 2;
}

.projects-grid--featured .project-card:nth-child(3) {
  grid-column: 8 / 13;
  grid-row: 2 / 3;
}

.projects-grid--featured .project-card:nth-child(4) {
  grid-column: 1 / 5;
  grid-row: 3 / 4;
}

.projects-grid--featured .project-card:nth-child(5) {
  grid-column: 5 / 9;
  grid-row: 3 / 4;
}

.projects-grid--featured .project-card:nth-child(6) {
  grid-column: 9 / 13;
  grid-row: 3 / 4;
}

/* Project Card */
.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  min-height: 280px;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(42, 42, 40, 0.75) 0%,
    rgba(42, 42, 40, 0) 60%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-md);
  transition: background var(--dur) var(--ease);
}

.project-card:hover .project-card__overlay {
  background: linear-gradient(
    to top,
    rgba(42, 42, 40, 0.85) 0%,
    rgba(42, 42, 40, 0.15) 70%
  );
}

.project-card__category {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 4px;
  font-weight: var(--fw-medium);
}

.project-card__title {
  color: var(--c-text-inv);
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  font-weight: var(--fw-light);
  transform: translateY(8px);
  opacity: 0.9;
  transition: all var(--dur) var(--ease);
}

.project-card:hover .project-card__title {
  transform: translateY(0);
  opacity: 1;
}

.project-card__arrow {
  position: absolute;
  top: var(--sp-md);
  right: var(--sp-md);
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translate(-8px, 8px);
  transition: all var(--dur) var(--ease);
}

.project-card:hover .project-card__arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.project-card__arrow svg {
  width: 14px;
  height: 14px;
  stroke: var(--c-text-inv);
  fill: none;
  stroke-width: 2;
}

/* ---------- Filters ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  justify-content: center;
  margin-bottom: var(--sp-xl);
}

.filter-btn {
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: var(--sp-xs) var(--sp-md);
  border: 1px solid var(--c-border);
  border-radius: 100px;
  transition: all var(--dur-fast) var(--ease);
  color: var(--c-text-light);
}

.filter-btn:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.filter-btn.active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-text-inv);
}

/* ---------- CTA / Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: 1px solid var(--c-text);
  transition: all var(--dur-fast) var(--ease);
}

.btn:hover {
  background: var(--c-text);
  color: var(--c-text-inv);
}

.btn--accent {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.btn--accent:hover {
  background: var(--c-accent);
  color: var(--c-text-inv);
}

.btn--solid {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-text-inv);
}

.btn--solid:hover {
  background: #a82f3f;
  border-color: #a82f3f;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  transition: gap var(--dur-fast) var(--ease);
}

.link-arrow:hover {
  gap: 14px;
}

.link-arrow svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ---------- Section Header ---------- */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-xl);
}

.section-header__eyebrow {
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-sm);
}

.section-header__title {
  margin-bottom: var(--sp-md);
}

.section-header__line {
  width: 48px;
  height: 1px;
  background: var(--c-accent);
  margin: var(--sp-md) auto 0;
}

/* ---------- About / Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-lg);
}

.team-card {
  text-align: center;
}

.team-card__image {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--sp-md);
  filter: grayscale(30%);
  transition: filter var(--dur) var(--ease);
}

.team-card:hover .team-card__image {
  filter: grayscale(0%);
}

.team-card__name {
  font-family: var(--ff-heading);
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.8rem;
  color: var(--c-text-light);
  letter-spacing: 0.05em;
}

/* ---------- Contact Cards ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-lg) var(--sp-md);
  border: 1px solid var(--c-border);
  transition: all var(--dur) var(--ease);
  text-decoration: none;
  color: inherit;
}

.contact-card:hover {
  border-color: var(--c-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.contact-card__icon {
  width: 36px;
  height: 36px;
  margin-bottom: var(--sp-sm);
}

.contact-card__icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--c-accent);
  fill: none;
  stroke-width: 1.2;
}

.contact-card__label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: var(--fw-medium);
  margin-bottom: 6px;
}

.contact-card__value {
  color: var(--c-text);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---------- Contact Form Layout ---------- */
.contact-form-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--sp-2xl);
  align-items: start;
}

.contact-form-left {
  padding-top: var(--sp-sm);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

.form-group {
  margin-bottom: var(--sp-md);
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.65rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-light);
  margin-bottom: var(--sp-xs);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 0;
  font-family: var(--ff-body);
  font-size: 1rem;
  color: var(--c-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-border);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease);
}

/* Focus animation — accent line grows from center */
.form-group::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--c-accent);
  transition: width 0.3s var(--ease), left 0.3s var(--ease);
}

.form-group:focus-within::after {
  width: 100%;
  left: 0;
}

.form-input:focus,
.form-textarea:focus {
  border-color: transparent;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* Submit button — elegant outline */
.btn--submit {
  align-self: flex-start;
  margin-top: var(--sp-sm);
  background: transparent;
  border: 1px solid var(--c-text);
  color: var(--c-text);
  cursor: pointer;
}

.btn--submit:hover {
  background: var(--c-text);
  color: var(--c-text-inv);
}

/* ---------- Fullwidth Map ---------- */
.map-fullwidth {
  width: 100%;
  height: 450px;
  position: relative;
}

.map-fullwidth iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(40%) contrast(1.05);
  transition: filter var(--dur) var(--ease);
}

.map-fullwidth:hover iframe {
  filter: grayscale(0%) contrast(1);
}

/* ---------- Responsive: Contact ---------- */
@media (max-width: 768px) {
  .contact-cards {
    grid-template-columns: 1fr 1fr;
  }

  .contact-form-layout {
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .map-fullwidth {
    height: 300px;
  }
}

@media (max-width: 480px) {
  .contact-cards {
    grid-template-columns: 1fr;
  }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--c-bg-dark);
  color: var(--c-text-inv);
  padding-block: var(--sp-2xl) var(--sp-lg);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-xl);
  align-items: start;
  padding-bottom: var(--sp-xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: var(--sp-sm);
}

.footer__tagline {
  font-size: 0.875rem;
  color: rgba(247, 245, 240, 0.5);
  max-width: 340px;
  line-height: 1.7;
}

.footer__nav {
  display: flex;
  gap: var(--sp-2xl);
}

.footer__nav-group h4 {
  font-family: var(--ff-body);
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
  color: rgba(247, 245, 240, 0.4);
}

.footer__nav-link {
  display: block;
  font-size: 0.875rem;
  color: rgba(247, 245, 240, 0.7);
  padding-block: 4px;
  transition: color var(--dur-fast) var(--ease);
}

.footer__nav-link:hover {
  color: var(--c-accent);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-lg);
  font-size: 0.8rem;
  color: rgba(247, 245, 240, 0.35);
}

.footer__social {
  display: flex;
  gap: var(--sp-md);
}

.footer__social a {
  color: rgba(247, 245, 240, 0.5);
  transition: color var(--dur-fast) var(--ease);
}

.footer__social a:hover {
  color: var(--c-accent);
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Page Transition ---------- */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--c-bg-dark);
  z-index: 1000;
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

/* ---------- Counter / Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-lg);
  text-align: center;
}

.stat__number {
  font-family: var(--ff-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: var(--fw-light);
  color: var(--c-accent);
  line-height: 1.1;
}

.stat__label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-light);
  margin-top: var(--sp-xs);
}

/* ---------- Divider ---------- */
.divider {
  width: 100%;
  height: 1px;
  background: var(--c-border);
}

.divider--accent {
  width: 48px;
  background: var(--c-accent);
  margin: var(--sp-lg) 0;
}

/* ---------- Philosophy Principles ---------- */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-xl);
  margin-top: var(--sp-xl);
}

.principle {
  text-align: center;
  padding: var(--sp-xl) var(--sp-md);
}

.principle__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--sp-md);
  stroke: var(--c-accent);
  fill: none;
  stroke-width: 1;
}

.principle__title {
  font-family: var(--ff-heading);
  font-size: 1.25rem;
  margin-bottom: var(--sp-sm);
}

.principle__text {
  font-size: 0.9rem;
  color: var(--c-text-light);
  line-height: 1.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .projects-grid--featured {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 260px;
  }

  .projects-grid--featured .project-card:nth-child(1) {
    grid-column: 1 / 3;
    grid-row: auto;
  }

  .projects-grid--featured .project-card:nth-child(n+2) {
    grid-column: auto;
    grid-row: auto;
  }

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

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__mobile-menu { display: flex; }

  .hero {
    min-height: 500px;
  }

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

  .split__text {
    padding-right: 0;
    order: 1;
  }

  .split__image {
    order: 0;
  }

  .split__image::after {
    display: none;
  }

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

  .projects-grid--featured {
    grid-template-columns: 1fr;
    grid-auto-rows: 300px;
  }

  .projects-grid--featured .project-card:nth-child(1) {
    grid-column: 1;
    grid-row: auto;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--sp-xl);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-xl);
  }

  .footer__nav {
    flex-wrap: wrap;
    gap: var(--sp-lg);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--sp-sm);
    text-align: center;
  }

  .section {
    padding-block: var(--sp-2xl);
  }

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

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

@media (max-width: 480px) {
  .hero__title {
    font-size: 2.25rem;
  }

  .hero__title span {
    font-size: 0.6rem;
  }
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Areas Grid (About page) ---------- */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-sm);
}

.area-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.area-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.area-card:hover img {
  transform: scale(1.06);
}

.area-card__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-lg);
  background: linear-gradient(
    to top,
    rgba(20, 20, 18, 0.8) 0%,
    rgba(20, 20, 18, 0.15) 60%,
    transparent 100%
  );
  transition: background var(--dur) var(--ease);
}

.area-card:hover .area-card__content {
  background: linear-gradient(
    to top,
    rgba(20, 20, 18, 0.9) 0%,
    rgba(20, 20, 18, 0.3) 70%,
    rgba(20, 20, 18, 0.1) 100%
  );
}

.area-card__content h3 {
  color: var(--c-text-inv);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: var(--fw-light);
  margin-bottom: 6px;
}

.area-card__content p {
  color: rgba(247, 245, 240, 0.75);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 40ch;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--dur) var(--ease);
}

.area-card:hover .area-card__content p {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Image Band ---------- */
.image-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  overflow: hidden;
}

.image-band img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.8s var(--ease), filter 0.5s var(--ease);
  filter: grayscale(30%);
}

.image-band img:hover {
  transform: scale(1.05);
  filter: grayscale(0%);
}

/* ---------- Responsive: Areas + Image Band ---------- */
@media (max-width: 768px) {
  .areas-grid {
    grid-template-columns: 1fr;
  }

  .area-card__content p {
    opacity: 1;
    transform: none;
  }

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

  .image-band img {
    height: 180px;
  }
}

/* ---------- Process Grid ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
  position: relative;
}

/* Connecting line */
.process-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent 0%,
    var(--c-border) 10%,
    var(--c-border) 90%,
    transparent 100%
  );
}

.process-step {
  text-align: center;
  position: relative;
  padding-top: var(--sp-sm);
}

.process-step__number {
  font-family: var(--ff-heading);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  margin-bottom: var(--sp-sm);
  font-weight: var(--fw-medium);
}

.process-step__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--sp-md);
  color: var(--c-text);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.process-step:hover .process-step__icon {
  color: var(--c-accent);
  transform: translateY(-4px);
}

.process-step h3 {
  font-size: 1.1rem;
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-xs);
  color: var(--c-text);
}

.process-step p {
  font-size: 0.875rem;
  color: var(--c-text-light);
  line-height: 1.7;
  max-width: 28ch;
  margin: 0 auto;
}

/* ---------- CTA Section ---------- */
.section--cta {
  position: relative;
  background-image: url('../img/about/masia-maresme.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.section--cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 18, 0.8);
}

.section--cta .container {
  position: relative;
  z-index: 1;
}

/* ---------- Responsive: Process + CTA ---------- */
@media (max-width: 768px) {
  .process-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl) var(--sp-md);
  }

  .process-grid::before {
    display: none;
  }

  .stats {
    flex-direction: column;
    gap: var(--sp-xl);
  }

  .section--cta {
    background-attachment: scroll;
  }
}

@media (max-width: 480px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- scrollPulse animation ---------- */
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}