/* ═══════════════════════════════════════════════════════════════
   AESTIVIO — Main Stylesheet
   ═══════════════════════════════════════════════════════════════ */

/* ─── Brand Font ─────────────────────────────────────────────── */
@font-face {
  font-family: 'Moulay';
  src: url('../assets/fonts/Moulay-Thin.otf') format('opentype');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

/* ─── Custom Properties ─────────────────────────────────────── */
:root {
  /* Colors */
  --color-dark:    #1A1A1A;
  --color-dark-2:  #252320;
  --color-bg:      #F5F0EB;
  --color-white:   #FFFFFF;
  --color-stone:   #C4AA8A;
  --color-stone-2: #B09470;
  --color-sage:    #6B7E6A;
  --color-text:    #3A3530;
  --color-muted:   #8A857F;
  --color-border:  #E2DDD8;
  --color-border-dark: rgba(255,255,255,0.10);

  /* Typography */
  --font-brand:  'Moulay', 'Plus Jakarta Sans', sans-serif;
  --font-sans:   'Plus Jakarta Sans', sans-serif;
  --font-serif:  'DM Serif Display', serif;
  --font-body:   'Inter', sans-serif;

  /* Spacing */
  --section-py:     120px;
  --container-max:  1280px;
  --container-px:   40px;
  --nav-h:          80px;

  /* Transitions */
  --ease:      cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:  cubic-bezier(0.0, 0.0, 0.2, 1);
  --t-fast:    0.2s;
  --t-med:     0.4s;
  --t-slow:    0.7s;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

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

.container--narrow {
  max-width: 860px;
}

.br-desk {
  display: block;
}

/* ─── Typography Scale ───────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }

em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

/* ─── Section Helpers ────────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: 1rem;
}

.section-label--light {
  color: var(--color-stone);
}

.section-title {
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-dark);
}

.section-sub {
  margin-top: 1.25rem;
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 560px;
}

.section-header {
  margin-bottom: 60px;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-sub {
  margin-inline: auto;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--t-fast) var(--ease);
  white-space: nowrap;
}

.btn--stone {
  background: var(--color-stone);
  color: var(--color-dark);
}
.btn--stone:hover {
  background: var(--color-stone-2);
  transform: translateY(-1px);
}

.btn--dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.btn--dark:hover {
  background: var(--color-dark-2);
  transform: translateY(-1px);
}

.btn--outline-light {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.4);
}
.btn--outline-light:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn--ghost:hover {
  border-color: var(--color-stone);
  color: var(--color-stone);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 0.92rem;
}

/* ─── Reveal Animations ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal--delay-1.is-visible { transition-delay: 0.10s; }
.reveal--delay-2.is-visible { transition-delay: 0.20s; }
.reveal--delay-3.is-visible { transition-delay: 0.30s; }
.reveal--delay-4.is-visible { transition-delay: 0.40s; }


/* ══════════════════════════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--t-med) var(--ease),
              box-shadow var(--t-med) var(--ease);
}

.nav.is-scrolled {
  background: var(--color-white);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo-img {
  height: 26px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav__logo-img--dark {
  display: none;
}

.nav.is-scrolled .nav__logo-img--light {
  display: none;
}

.nav.is-scrolled .nav__logo-img--dark {
  display: block;
}

/* Text fallback — hidden by default, shown only when logo images fail to load */
.nav__logo-text {
  display: none;
  font-family: var(--font-brand);
  font-size: 1.75rem;
  font-weight: 100;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--color-white);
  transition: color var(--t-med);
}

.nav.is-scrolled .nav__logo-text {
  color: var(--color-dark);
}

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.85);
  transition: color var(--t-fast);
}

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

.nav.is-scrolled .nav__link {
  color: var(--color-muted);
}

.nav.is-scrolled .nav__link:hover {
  color: var(--color-dark);
}

.nav__link--active,
.nav.is-scrolled .nav__link--active {
  color: var(--color-stone);
}
.nav--page .nav__link--active {
  color: var(--color-stone);
}

/* Phone in nav */
.nav__phone {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  text-decoration: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color var(--t-fast);
  flex-shrink: 0;
}
.nav__phone svg {
  opacity: 0.65;
  flex-shrink: 0;
}
.nav__phone:hover { color: var(--color-white); }
.nav__phone:hover svg { opacity: 1; }
.nav.is-scrolled .nav__phone { color: var(--color-dark); }
.nav.is-scrolled .nav__phone:hover { color: var(--color-stone); }

/* Phone in mobile menu */
.nav__mobile-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-stone);
  text-decoration: none;
  padding: 16px 0;
  border-bottom: 1px solid rgba(196,170,138,0.25);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.nav__mobile-phone svg { opacity: 0.8; flex-shrink: 0; }

/* CTA */
.nav__cta {
  margin-left: 16px;
}

.nav.is-scrolled .nav__cta {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.nav.is-scrolled .nav__cta:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: all var(--t-fast);
}

.nav.is-scrolled .nav__burger span {
  background: var(--color-dark);
}

.nav__burger.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__burger.is-open span:nth-child(2) {
  opacity: 0;
}
.nav__burger.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--color-white);
  padding: 24px var(--container-px);
  border-top: 1px solid var(--color-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-med) var(--ease);
}

.nav__mobile.is-open {
  max-height: 400px;
}

.nav__mobile-link {
  display: block;
  padding: 14px 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.nav__mobile-link:hover {
  color: var(--color-stone);
}

.nav__mobile-cta {
  margin-top: 20px;
  align-self: flex-start;
}


/* ══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-dark);
}

/* Photo background — add hero-01.jpg to trigger */
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/hero/hero-01.jpg');
  background-size: cover;
  background-position: center 30%;
  transition: transform 8s ease;
}

/* Subtle architectural grid — visible when no photo */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196,170,138,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,170,138,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* Gradient overlay */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 26, 26, 0.88) 0%,
    rgba(26, 26, 26, 0.65) 50%,
    rgba(58, 48, 40, 0.50) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: var(--nav-h);
  padding-bottom: 80px;
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: 1.5rem;
}

.hero__title {
  color: var(--color-white);
  font-weight: 600;
  letter-spacing: -0.03em;
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.hero__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-stone);
}

.hero__sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 300;
  color: rgba(255,255,255,0.72);
  max-width: 580px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: var(--container-px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero__scroll-hint span {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-rl;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(196,170,138,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.6; }
  50% { transform: scaleY(0.6); opacity: 1; }
}


/* ══════════════════════════════════════════════════════════════
   MANIFESTO
══════════════════════════════════════════════════════════════ */
.manifesto {
  padding: var(--section-py) 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.manifesto__text {
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  letter-spacing: -0.015em;
  text-align: center;
}

.manifesto__text em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-stone-2);
}


/* ══════════════════════════════════════════════════════════════
   SERVICES
══════════════════════════════════════════════════════════════ */
.services {
  padding: var(--section-py) 0;
  background: var(--color-bg);
}

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

.service-card {
  background: var(--color-white);
  overflow: hidden;
  transition: box-shadow var(--t-med) var(--ease);
}

.service-card:hover {
  box-shadow: 0 20px 60px rgba(26,26,26,0.10);
  z-index: 1;
}

.service-card__image {
  position: relative;
  aspect-ratio: 16/9;
  background-color: var(--color-dark-2);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  transition: transform var(--t-slow) var(--ease);
}

.service-card:hover .service-card__image {
  transform: scale(1.03);
}

/* Placeholder pattern when no image */
.service-card__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196,170,138,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,170,138,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.service-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.5) 0%, transparent 60%);
}

.service-card__num {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
}

.service-card__body {
  padding: 32px 36px 36px;
}

.service-card__title {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.service-card__text {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-stone);
  padding-bottom: 2px;
  transition: color var(--t-fast), gap var(--t-fast);
}

.service-card__link:hover {
  color: var(--color-stone-2);
  gap: 14px;
}

.service-card__link svg {
  transition: transform var(--t-fast);
}

.service-card__link:hover svg {
  transform: translateX(4px);
}


/* ══════════════════════════════════════════════════════════════
   PILLARS
══════════════════════════════════════════════════════════════ */
.pillars {
  padding: var(--section-py) 0;
  background: var(--color-dark);
}

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--color-border-dark);
}

.pillar {
  padding: 56px 48px;
  border-right: 1px solid var(--color-border-dark);
}

.pillar:last-child {
  border-right: none;
}

.pillar__num {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-stone);
  margin-bottom: 28px;
}

.pillar__title {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.pillar__text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
}


/* ══════════════════════════════════════════════════════════════
   PROCESS
══════════════════════════════════════════════════════════════ */
.process {
  padding: var(--section-py) 0;
  background: var(--color-white);
}

.process__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.process__step {
  flex: 1;
  padding: 0 24px;
  text-align: center;
}

.process__step:first-child {
  padding-left: 0;
}

.process__step:last-child {
  padding-right: 0;
}

.process__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-stone);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-stone);
  margin-bottom: 20px;
}

.process__step-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.process__step-text {
  font-size: 0.87rem;
  color: var(--color-muted);
  line-height: 1.65;
}

.process__connector {
  flex: 0 0 auto;
  width: 40px;
  height: 1px;
  background: var(--color-border);
  align-self: 28px;
  margin-top: 28px;
  position: relative;
}

.process__connector::after {
  content: '';
  position: absolute;
  right: -3px;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--color-stone);
  border-right: 1px solid var(--color-stone);
  transform: rotate(45deg);
}


/* ══════════════════════════════════════════════════════════════
   PROJECTS TEASER
══════════════════════════════════════════════════════════════ */
.projects-teaser {
  padding: var(--section-py) 0;
  background: var(--color-bg);
}

.projects-teaser__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3px;
  margin-bottom: 40px;
}

.project-thumb {
  position: relative;
  display: block;
  aspect-ratio: 4/3;
  background-color: var(--color-dark-2);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

/* Grid adjustment for first (larger) item */
.projects-teaser__grid .project-thumb:first-child {
  aspect-ratio: 3/2;
  grid-row: span 1;
}

/* Placeholder grid lines when no image */
.project-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196,170,138,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,170,138,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

.project-thumb__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.75) 0%, rgba(26,26,26,0.1) 50%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--t-med) var(--ease);
  z-index: 1;
}

.project-thumb:hover .project-thumb__overlay {
  opacity: 1;
}

.project-thumb__label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.projects-teaser__footer {
  text-align: center;
}


/* ══════════════════════════════════════════════════════════════
   REGION
══════════════════════════════════════════════════════════════ */
.region {
  padding: var(--section-py) 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.region__left .section-title {
  margin-top: 0;
}

.region__text {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 380px;
  line-height: 1.75;
}

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

.region__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.region__item:first-child {
  border-top: 1px solid var(--color-border);
}


/* ══════════════════════════════════════════════════════════════
   CTA BANNER
══════════════════════════════════════════════════════════════ */
.cta-banner {
  padding: var(--section-py) 0;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196,170,138,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,170,138,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}

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

.cta-banner__title {
  color: var(--color-white);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.cta-banner__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-stone);
}

.cta-banner__sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}


/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
.footer {
  background: #111110;
  padding-top: 72px;
  padding-bottom: 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer__logo-img {
  height: 22px;
  width: auto;
  margin-bottom: 16px;
  object-fit: contain;
  display: block;
}

.footer__logo-text {
  display: block;
  font-family: var(--font-brand);
  font-size: 1.6rem;
  font-weight: 100;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.35);
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer__nav-heading {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}

.footer__nav-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer__nav-link {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  padding: 7px 0;
  transition: color var(--t-fast);
}

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

.footer__social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.footer__social-link {
  color: rgba(255,255,255,0.35);
  transition: color var(--t-fast);
}

.footer__social-link:hover {
  color: var(--color-stone);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer__copy,
.footer__region {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.03em;
}

.footer__legal-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.footer__legal-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.22);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color var(--t-fast);
}

.footer__legal-link:hover {
  color: var(--color-stone);
}


/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */

/* Tablet — ≤1024px */
@media (max-width: 1024px) {
  :root {
    --section-py: 88px;
    --container-px: 28px;
  }

  .nav__links,
  .nav__cta,
  .nav__phone {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  .nav__mobile {
    display: flex;
  }

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

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

  .pillar {
    border-right: none;
    border-bottom: 1px solid var(--color-border-dark);
    padding: 40px 36px;
  }

  .pillar:last-child {
    border-bottom: none;
  }

  .process__steps {
    flex-wrap: wrap;
    gap: 40px;
  }

  .process__connector {
    display: none;
  }

  .process__step {
    flex: 0 0 calc(33% - 20px);
    padding: 0;
  }

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

  .projects-teaser__grid .project-thumb:first-child {
    grid-column: span 2;
  }

  .region__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .br-desk {
    display: none;
  }
}

/* ═══════════════════════════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════════════════════════ */

.contact {
  background: var(--color-dark);
  padding: var(--section-py) 0;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

/* ─── Left info column ───────────────────────────────────────── */
.contact__info {
  padding-top: 8px;
}

.contact__label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: 20px;
}

.contact__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 300;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
}

.contact__lead {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 48px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact__detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact__detail-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.contact__detail-value {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.2s;
}

.contact__detail-value:hover {
  color: #fff;
}

/* ─── Form panel ─────────────────────────────────────────────── */
.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 48px;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.contact-form__group:last-of-type {
  margin-bottom: 0;
}

.contact-form__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.contact-form__input,
.contact-form__select,
.contact-form__textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-family: inherit;
  color: #fff;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.contact-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.4)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}

.contact-form__select option {
  background: #2a2a2a;
  color: #fff;
}

.contact-form__textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
  border-color: var(--color-stone);
  background: rgba(255, 255, 255, 0.08);
}

.contact-form__input.is-error,
.contact-form__select.is-error,
.contact-form__textarea.is-error {
  border-color: #e05c5c;
}

.contact-form__field-error {
  font-size: 0.75rem;
  color: #e07070;
  margin-top: -4px;
}

.contact-form__error {
  background: rgba(224, 92, 92, 0.12);
  border: 1px solid rgba(224, 92, 92, 0.3);
  border-radius: 3px;
  padding: 14px 16px;
  font-size: 0.875rem;
  color: #e07070;
  margin-top: 20px;
  line-height: 1.5;
}

/* ─── Footer / submit ────────────────────────────────────────── */
.contact-form__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
}

.contact-form__note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.4;
  flex: 1;
}

.contact-form__submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-stone);
  color: #fff;
  border: none;
  border-radius: 3px;
  padding: 15px 36px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s, opacity 0.25s;
  white-space: nowrap;
  flex-shrink: 0;
}

.contact-form__submit:hover:not(:disabled) {
  background: var(--color-stone-2);
}

.contact-form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.contact-form__submit-text {
  transition: opacity 0.2s;
}

.contact-form__submit-spin {
  position: absolute;
  width: 18px;
  height: 18px;
}

.contact-form__submit-spin svg {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ─── Success state ──────────────────────────────────────────── */
.contact-form__success {
  text-align: center;
  padding: 64px 32px;
}

.contact-form__success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(107, 126, 106, 0.15);
  border: 1px solid var(--color-sage);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.contact-form__success-icon svg {
  color: var(--color-sage);
}

.contact-form__success-title {
  font-size: 1.5rem;
  font-weight: 300;
  color: #fff;
  margin-bottom: 12px;
}

.contact-form__success-text {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}

/* ─── Contact info cards (kontakt.html) ─────────────────────── */
.contact-info-cards {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.contact-info-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(196, 170, 138, 0.12);
  border: 1px solid rgba(196, 170, 138, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-stone);
  flex-shrink: 0;
}

.contact-info-card__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 4px;
}

.contact-info-card__text {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.45);
}

/* ─── Contact responsive (tablet) ───────────────────────────── */
@media (max-width: 1024px) {
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .contact__info {
    padding-top: 0;
  }

  .contact__details {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 32px;
  }

  .contact__detail {
    min-width: 160px;
  }

  .contact-form {
    padding: 36px;
  }
}

@media (max-width: 640px) {
  .contact__details {
    flex-direction: column;
    gap: 20px;
  }

  .contact-form {
    padding: 24px 20px;
  }

  .contact-form__row {
    grid-template-columns: 1fr;
  }

  .contact-form__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-form__submit {
    width: 100%;
    justify-content: center;
  }

  .contact-form__note {
    text-align: center;
  }
}

/* Mobile — ≤640px */
@media (max-width: 640px) {
  :root {
    --section-py: 64px;
    --container-px: 20px;
    --nav-h: 64px;
  }

  .hero__scroll-hint {
    display: none;
  }

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

  .service-card__body {
    padding: 24px;
  }

  .process__step {
    flex: 0 0 100%;
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 20px;
  }

  .process__step-num {
    flex-shrink: 0;
    margin-bottom: 0;
  }

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

  .projects-teaser__grid .project-thumb:first-child {
    grid-column: span 1;
  }

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

  .footer__nav-col:last-child {
    grid-column: span 2;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}