/* ═══════════════════════════════════════════════════════════════
   PILES ART — Stylesheet
   Mediterranean theme · Sea-blue accents · Sun-warmed limestone
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Colours — Mediterranean palette */
  --clr-bg:           #f7f4ed;   /* caliza al sol */
  --clr-surface:      #eeeadf;   /* arena fina */
  --clr-surface-2:    #e4dfd2;   /* barro seco */
  --clr-surface-3:    #d9d3c5;   /* piedra antigua */
  --clr-border:       rgba(20,65,100,0.09);
  --clr-border-light: rgba(20,65,100,0.16);

  --clr-accent:       #1a6fa8;   /* azul mediterráneo */
  --clr-accent-light: #3b8fcb;   /* mar en calma */
  --clr-accent-dark:  #0e4f7a;   /* mar profundo */
  --clr-accent-muted: rgba(26,111,168,0.10);
  --clr-accent-glow:  rgba(26,111,168,0.20);

  --clr-text:         #192d3e;   /* noche mediterránea */
  --clr-text-muted:   #4d6475;   /* niebla de mar */
  --clr-text-faint:   #92aab8;   /* espuma lejana */
  --clr-white:        #ffffff;

  /* Typography */
  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body:    'Inter', system-ui, sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.5rem;
  --fs-2xl:  2rem;
  --fs-3xl:  2.5rem;
  --fs-4xl:  3.25rem;
  --fs-5xl:  4.5rem;
  --fs-6xl:  6rem;

  --fw-light:   300;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semi:    600;
  --fw-bold:    700;

  --lh-tight:  1.1;
  --lh-snug:   1.25;
  --lh-normal: 1.5;
  --lh-relaxed:1.7;

  /* 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;

  /* Layout */
  --max-w: 1280px;
  --section-py: clamp(var(--space-16), 8vw, var(--space-32));

  /* Effects */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 2px 8px rgba(20,65,100,0.09);
  --shadow-md:  0 8px 32px rgba(20,65,100,0.11);
  --shadow-lg:  0 24px 64px rgba(20,65,100,0.13);
  --shadow-accent: 0 4px 24px var(--clr-accent-glow);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── 2. RESET & BASE ──────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
  display: block;
  max-width: 100%;
}

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

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

address {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--clr-accent-muted);
  color: var(--clr-accent-dark);
}

/* ── 3. UTILITY CLASSES ────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

/* Scroll-reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal--delay-1 { transition-delay: 120ms; }
.reveal--delay-2 { transition-delay: 240ms; }
.reveal--delay-3 { transition-delay: 360ms; }

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── 4. TYPOGRAPHY SHARED ─────────────────────────────────────── */
.section-eyebrow {
  font-family: var(--ff-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--clr-text);
  margin-bottom: var(--space-6);
}
.section-title em {
  color: var(--clr-accent);
  font-style: italic;
}

.section-desc {
  font-size: var(--fs-md);
  color: var(--clr-text-muted);
  max-width: 56ch;
  line-height: var(--lh-relaxed);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}
.section-header .section-desc {
  margin-inline: auto;
}

/* ── 5. BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  border: 1px solid var(--clr-accent);
}
.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}
.btn--primary:hover::after  { background: rgba(255,255,255,0.12); }
.btn--primary:active::after { background: rgba(0,0,0,0.08); }

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

.btn--full { width: 100%; justify-content: center; }

/* ── 6. NAVIGATION ────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 1000;
  transition: background var(--transition-base), 
              box-shadow var(--transition-base),
              padding var(--transition-base);
  padding-block: var(--space-5);
}

.site-header.scrolled {
  background: rgba(250,247,243,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--clr-border);
  padding-block: var(--space-3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--ff-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
  transition: color var(--transition-fast);
  flex-shrink: 0;
}
.nav__logo:hover { color: var(--clr-accent); }

.nav__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--clr-accent);
  color: var(--clr-white);
  border-radius: var(--radius-sm);
  font-size: var(--fs-lg);
  line-height: 1;
}

.nav__logo-text em { 
  color: var(--clr-accent); 
  font-style: italic;
}

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  letter-spacing: 0.02em;
}
.nav__link:hover { color: var(--clr-text); }
.nav__link.active { color: var(--clr-accent); }

.nav__link--cta {
  background: var(--clr-accent);
  color: var(--clr-white) !important;
  font-weight: var(--fw-semi);
  padding: var(--space-2) var(--space-5);
}
.nav__link--cta:hover { background: var(--clr-accent-light); }

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__burger[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── 7. HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

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

.hero__gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 70% 60% at 65% 50%, rgba(26,111,168,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 20% 80%, rgba(26,111,168,0.04) 0%, transparent 50%),
    linear-gradient(175deg, #f9f7f1 0%, #f7f4ed 50%, #efeadf 100%);
}

/* ── Hero background image slider ───────────────────────────── */
.hero__slides {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.6s ease;
  will-change: opacity;
}

.hero__slide.is-active {
  opacity: 0.22;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-20);
  max-width: 820px;
}

.hero__eyebrow {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-family: var(--ff-display);
  font-size: clamp(var(--fs-4xl), 8vw, var(--fs-6xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--clr-text);
  margin-bottom: var(--space-8);
  letter-spacing: -0.02em;
}
.hero__title em {
  color: var(--clr-accent);
  font-style: italic;
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-10);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── 8. SERVICES ──────────────────────────────────────────────── */
.services {
  padding-block: var(--section-py);
  background: var(--clr-surface);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--clr-border-light), transparent);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--clr-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.service-card:hover {
  border-color: var(--clr-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--clr-accent);
  margin-bottom: var(--space-5);
}

.service-card__title {
  font-family: var(--ff-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
  margin-bottom: var(--space-4);
}

.service-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-6);
}

.service-card__cta {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
  letter-spacing: 0.03em;
}
.service-card__cta:hover { color: var(--clr-accent); }

/* ── 9. ABOUT ─────────────────────────────────────────────────── */
.about {
  padding-block: var(--section-py);
  background: var(--clr-bg);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: center;
}

/* Visual side */
.about__visual {
  position: relative;
}

.about__image-frame {
  position: relative;
}

.about__image-placeholder {
  aspect-ratio: 4/5;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
  position: relative;
}

.about__image-pattern {
  position: absolute;
  inset: 0;
  background: 
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(26,111,168,0.05) 40px,
      rgba(26,111,168,0.05) 41px
    );
}

.about__image-label {
  position: relative;
  z-index: 1;
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about__badge {
  position: absolute;
  bottom: calc(-1 * var(--space-6));
  right: calc(-1 * var(--space-6));
  background: var(--clr-accent);
  color: var(--clr-white);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-accent);
}
.about__badge strong {
  display: block;
  font-family: var(--ff-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  line-height: 1;
}
.about__badge span {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

/* Copy side */
.about__text {
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-5);
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-block: var(--space-8);
}

.value {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.value__icon {
  color: var(--clr-accent);
  font-size: var(--fs-xs);
  flex-shrink: 0;
  margin-top: 4px;
}
.value strong {
  display: block;
  font-size: var(--fs-base);
  color: var(--clr-text);
  margin-bottom: var(--space-1);
}
.value p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
}

/* ── 10. PORTFOLIO ────────────────────────────────────────────── */
.portfolio {
  padding-block: var(--section-py);
  background: var(--clr-surface);
  position: relative;
}
.portfolio::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--clr-border-light), transparent);
}
/* Portfolio grid */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: var(--space-4);
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}
.portfolio-item--wide  { grid-column: span 2; }
.portfolio-item--tall  { grid-row: span 2; }

.portfolio-item__image {
  width: 100%;
  height: 100%;
  position: relative;
}

/* Coloured placeholders (replace with real images later) */
.portfolio-item__placeholder {
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
  display: flex;
  align-items: flex-start;
  padding: var(--space-4);
}
.portfolio-item:hover .portfolio-item__placeholder { transform: scale(1.04); }

.portfolio-item__placeholder--1 { background: linear-gradient(135deg, #d4c4a8 0%, #b8a888 100%); }
.portfolio-item__placeholder--2 { background: linear-gradient(135deg, #a8b4c4 0%, #8898b0 100%); }
.portfolio-item__placeholder--3 { background: linear-gradient(135deg, #a8c4b0 0%, #88a890 100%); }
.portfolio-item__placeholder--4 { background: linear-gradient(135deg, #c4a8b4 0%, #a888a0 100%); }

/* Subtle grid pattern on placeholders */
.portfolio-item__placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(45,30,15,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,30,15,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

.portfolio-item__category-badge {
  position: relative;
  z-index: 1;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-white);
  background: rgba(45,30,15,0.55);
  backdrop-filter: blur(8px);
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.2);
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(45,30,15,0.80) 0%, rgba(45,30,15,0) 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item__title {
  font-family: var(--ff-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--clr-white);
  margin-bottom: var(--space-1);
}
.portfolio-item__meta {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
}

.portfolio__cta {
  text-align: center;
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  color: var(--clr-text-muted);
}
.portfolio__cta p { font-size: var(--fs-md); }

/* ── 11. TESTIMONIALS ─────────────────────────────────────────── */
.testimonials {
  padding-block: var(--section-py);
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.testimonial {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}
.testimonial:hover {
  border-color: var(--clr-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial__stars {
  color: var(--clr-accent);
  font-size: var(--fs-sm);
  letter-spacing: 2px;
  margin-bottom: var(--space-4);
}

.testimonial__text {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: var(--fs-md);
  color: var(--clr-text);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-6);
}

.testimonial__footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--clr-accent-muted);
  border: 2px solid var(--clr-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-accent);
  flex-shrink: 0;
}

.testimonial__name {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-text);
  font-style: normal;
  margin-bottom: var(--space-1);
}
.testimonial__role {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

/* ── 11b. FAQ ─────────────────────────────────────────────────── */
.faq {
  padding-block: var(--section-py);
  background: var(--clr-bg);
}

.faq__list {
  max-width: 760px;
  margin-inline: auto;
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq__item {
  border-bottom: 1px solid var(--clr-border);
}
.faq__item:first-child {
  border-top: 1px solid var(--clr-border);
}

.faq__question { margin: 0; }

.faq__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  background: none;
  border: none;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  color: var(--clr-text);
  cursor: pointer;
  text-align: left;
  line-height: var(--lh-snug);
  transition: color var(--transition-fast);
}
.faq__trigger:hover { color: var(--clr-accent); }
.faq__trigger[aria-expanded="true"] { color: var(--clr-accent); }

.faq__icon {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  color: var(--clr-accent);
  flex-shrink: 0;
  transition: transform var(--transition-base);
  line-height: 1;
}
.faq__trigger[aria-expanded="true"] .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  margin: 0;
  overflow: hidden;
}
.faq__answer[hidden] { display: none; }
.faq__answer p {
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
  font-size: var(--fs-sm);
  padding-bottom: var(--space-5);
}

/* ── 12. CONTACT ──────────────────────────────────────────────── */
.contact {
  padding-block: var(--section-py);
  background: var(--clr-surface);
  position: relative;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 100% 50%, rgba(26,111,168,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact__text {
  color: var(--clr-text-muted);
  line-height: var(--lh-relaxed);
  margin-block: var(--space-6) var(--space-10);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact__detail-icon {
  font-size: var(--fs-lg);
  color: var(--clr-accent);
  line-height: 1;
  width: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__detail strong {
  display: block;
  font-size: var(--fs-sm);
  color: var(--clr-text);
  margin-bottom: var(--space-1);
}
.contact__detail a,
.contact__detail address {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}
.contact__detail a:hover { color: var(--clr-accent); }

.contact__social {
  display: flex;
  gap: var(--space-4);
}
.social-link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  border-bottom: 1px solid var(--clr-border);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.social-link:hover {
  color: var(--clr-accent);
  border-color: var(--clr-accent);
}

/* Form */
.contact-form {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text);
  margin-bottom: var(--space-2);
}
.form-label span { color: var(--clr-accent); }

.form-input {
  width: 100%;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  color: var(--clr-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-input::placeholder { color: var(--clr-text-faint); }
.form-input:focus {
  border-color: var(--clr-accent-dark);
  box-shadow: 0 0 0 3px var(--clr-accent-muted);
}
.form-input:invalid:not(:placeholder-shown) {
  border-color: #c94c4c;
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234d6475' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 16px;
  padding-right: var(--space-10);
}
.form-select option { background: var(--clr-white); }

.form-textarea { resize: vertical; min-height: 120px; }

.form-group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.form-checkbox {
  width: 18px;
  height: 18px;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-sm);
  background: var(--clr-white);
  cursor: pointer;
  accent-color: var(--clr-accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.form-label--inline {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  cursor: pointer;
}
.form-link {
  color: var(--clr-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.form-link:hover { color: var(--clr-accent-dark); }

.form-note {
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--clr-text-faint);
  margin-top: var(--space-3);
  letter-spacing: 0.03em;
}

/* Success state */
.contact-form.form--success {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 300px;
}
.form-success-icon {
  font-size: 3rem;
  color: var(--clr-accent);
}
.form-success-title {
  font-family: var(--ff-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
}
.form-success-text {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
}

/* ── 14. FOOTER ───────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  align-items: start;
  padding-block: var(--space-16);
}

.footer__brand .nav__logo { 
  font-size: var(--fs-xl); 
  margin-bottom: var(--space-4);
}
.footer__tagline {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer__col-title {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-4);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__col a {
  font-size: var(--fs-sm);
  color: var(--clr-text-faint);
  transition: color var(--transition-fast);
}
.footer__col a:hover { color: var(--clr-accent); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-5);
  border-top: 1px solid var(--clr-border);
  font-size: var(--fs-xs);
  color: var(--clr-text-faint);
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ── 15. RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .about__container {
    grid-template-columns: 1fr;
  }
  .about__visual { max-width: 480px; margin-inline: auto; }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio-item--wide { grid-column: span 2; }
  .portfolio-item--tall { grid-row: auto; }

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

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

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .footer__nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Mobile nav */
  .nav__burger {
    display: flex;
    z-index: 10;
  }
  .nav__links {
    position: fixed;
    inset: 0;
    background: rgba(250,247,243,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 9;
  }
  .nav__links.open {
    transform: translateX(0);
  }
  .nav__link {
    font-size: var(--fs-xl);
    font-family: var(--ff-display);
    padding: var(--space-3) var(--space-6);
    color: var(--clr-text);
  }
  .nav__link--cta {
    font-size: var(--fs-lg);
    padding: var(--space-3) var(--space-8);
  }

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

  /* Portfolio */
  .portfolio__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 240px;
  }
  .portfolio-item--wide { grid-column: auto; }

  /* Footer */
  .footer__nav { grid-template-columns: 1fr 1fr; }
  .footer__bottom { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .contact-form { padding: var(--space-6); }
  .footer__nav { grid-template-columns: 1fr; }
}

/* ── 16. SCROLLBAR ────────────────────────────────────────────── */
::-webkit-scrollbar        { width: 6px; }
::-webkit-scrollbar-track  { background: var(--clr-bg); }
::-webkit-scrollbar-thumb  { background: var(--clr-surface-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-accent-dark); }

/* ── 17. PRINT ────────────────────────────────────────────────── */
@media print {
  .site-header,
  .nav__burger,
  .contact-form { display: none; }
  body { background: white; color: black; }
  .hero__title,
  .section-title { color: black; }
}