/* ==============================================================================
   SOLUVIA — BESPOKE STUDIO DESIGN SYSTEM
   Professional, Elegant, Antimainstream, Mobile-First & Bulletproof
   ============================================================================== */

:root {
  /* Dark Mode Palette (Deep Onyx & Champagne Gold) */
  --bg-main: #0a0b0e;
  --bg-surface: #111318;
  --bg-card: rgba(18, 20, 26, 0.78);
  --bg-card-hover: rgba(25, 29, 38, 0.9);
  --bg-glass: rgba(10, 11, 14, 0.88);

  --accent-gold: #d4af37;
  --accent-gold-light: #e5c07b;
  --accent-gold-dim: rgba(212, 175, 55, 0.12);
  --accent-gold-border: rgba(212, 175, 55, 0.28);
  --accent-gold-glow: rgba(212, 175, 55, 0.18);

  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);

  --text-main: #f5f4f0;
  --text-muted: #9ba1ad;
  --text-dim: #676e7b;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.45);
  --shadow-elevation: 0 16px 40px rgba(0, 0, 0, 0.65);
}

[data-theme="light"] {
  /* Light Mode Palette (Warm Alabaster & Burnished Bronze) */
  --bg-main: #fcfbfa;
  --bg-surface: #f3f1ec;
  --bg-card: #ffffff;
  --bg-card-hover: #faf8f4;
  --bg-glass: rgba(252, 251, 250, 0.92);

  --accent-gold: #9e7b45;
  --accent-gold-light: #85642d;
  --accent-gold-dim: rgba(158, 123, 69, 0.1);
  --accent-gold-border: rgba(158, 123, 69, 0.26);
  --accent-gold-glow: rgba(158, 123, 69, 0.14);

  --border-hairline: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.16);

  --text-main: #18191c;
  --text-muted: #585c66;
  --text-dim: #888d98;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-elevation: 0 16px 40px rgba(0, 0, 0, 0.09);
}

/* ================= RESET & ESSENTIALS ================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  min-width: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  max-width: 100%;
  position: relative;
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* Offset all target sections generously so sticky header never cuts titles off */
section[id], .section-anchor {
  scroll-margin-top: 100px;
}

/* Strict horizontal bounds on all section containers */
.site-header,
.hero-section,
.manifesto-section,
.services-section,
.portfolio-section,
.estimator-section,
.faq-section,
.contact-section,
.site-footer {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

/* ================= CONTAINER ================= */
.container {
  width: 100%;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 640px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* ================= TYPOGRAPHY HELPERS ================= */
.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent-gold);
}

.highlight-underline {
  position: relative;
  display: inline-block;
}

.highlight-underline::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gold);
  opacity: 0.5;
}

.section-label {
  display: inline-block;
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--text-main);
  overflow-wrap: break-word;
}

.section-lead {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 480px;
}

.section-heading-split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-hairline);
}

@media (max-width: 768px) {
  .section-heading-split {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }
}

/* ================= SITE HEADER ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  transition: all 0.25s ease;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-mark {
  width: 32px;
  height: 32px;
  background: var(--accent-gold-dim);
  border: 1px solid var(--accent-gold-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-badge {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-item {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-item:hover {
  color: var(--accent-gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.theme-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.theme-btn:hover {
  border-color: var(--accent-gold-border);
}

.theme-icon.sun { display: none; }
.theme-icon.moon { display: block; }

[data-theme="dark"] .theme-icon.sun { display: block; }
[data-theme="dark"] .theme-icon.moon { display: none; }

.btn-primary-header {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.05rem;
  border-radius: var(--radius-sm);
  background: var(--accent-gold-dim);
  border: 1px solid var(--accent-gold-border);
  color: var(--accent-gold);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary-header svg {
  width: 13px;
  height: 13px;
  transition: transform 0.2s ease;
}

.btn-primary-header:hover {
  background: var(--accent-gold);
  color: #000000;
  box-shadow: 0 4px 14px var(--accent-gold-glow);
}

.btn-primary-header:hover svg {
  transform: translate(2px, -2px);
}

/* Mobile Hamburger */
.mobile-menu-trigger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  background: var(--bg-surface);
  padding: 8px;
}

.menu-line {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-menu-trigger.active .menu-line:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.mobile-menu-trigger.active .menu-line:nth-child(2) {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(85vw, 300px);
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-medium);
  box-shadow: var(--shadow-elevation);
  padding: 1.5rem;
  z-index: 1002;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-hairline);
  margin-bottom: 1.5rem;
}

.drawer-brand {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
}

.drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-muted);
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.drawer-item {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.5rem;
  border-radius: var(--radius-sm);
}

.drawer-item span {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--accent-gold);
}

.drawer-item:hover, .drawer-item:active {
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
}

.drawer-action {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
}

.btn-drawer-wa {
  display: block;
  text-align: center;
  padding: 0.85rem 1rem;
  background: var(--accent-gold);
  color: #000000;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.drawer-dimmer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.drawer-dimmer.active {
  opacity: 1;
  pointer-events: auto;
}

/* ================= HERO SECTION ================= */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border-hairline);
}

.hero-layout {
  max-width: 880px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
}

.eyebrow-accent {
  font-size: 0.6rem;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.65rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  overflow-wrap: break-word;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 740px;
  margin-bottom: 2.25rem;
}

.hero-description strong {
  color: var(--text-main);
  font-weight: 600;
}

.hero-actions-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.25rem;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  background: var(--accent-gold);
  color: #000000;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 4px 18px var(--accent-gold-glow);
  transition: all 0.2s ease;
  min-height: 46px;
}

.btn-hero-primary svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s ease;
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-gold-glow);
}

.btn-hero-primary:hover svg {
  transform: translateX(3px);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  min-height: 46px;
}

.btn-hero-secondary:hover {
  border-color: var(--accent-gold-border);
}

/* Principles Strip */
.hero-principles {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-hairline);
}

.principle-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.principle-num {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.principle-text {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.principle-sep {
  width: 1px;
  height: 40px;
  background: var(--border-hairline);
}

/* ================= MANIFESTO SECTION ================= */
.manifesto-section {
  padding: 4.5rem 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-hairline);
}

.manifesto-card {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.manifesto-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-main);
  margin-top: 0.35rem;
  overflow-wrap: break-word;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
  color: var(--accent-gold);
  padding-left: 1.25rem;
  border-left: 2px solid var(--accent-gold);
  margin-bottom: 1.5rem;
}

.manifesto-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.manifesto-body strong {
  color: var(--text-main);
}

/* ================= SERVICES DIRECTORY ================= */
.services-section {
  padding: 5rem 0;
}

.services-directory {
  display: flex;
  flex-direction: column;
}

.directory-row {
  display: grid;
  grid-template-columns: 60px 1fr 220px;
  gap: 2rem;
  align-items: center;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border-hairline);
  transition: all 0.2s ease;
}

.directory-row:first-child {
  border-top: 1px solid var(--border-hairline);
}

.row-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.row-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.row-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
  max-width: 640px;
}

.row-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.row-pills span {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.row-action {
  text-align: right;
}

.row-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-gold);
  padding: 0.6rem 1rem;
  border: 1px solid var(--accent-gold-border);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  min-height: 40px;
}

.row-btn svg {
  width: 13px;
  height: 13px;
  transition: transform 0.2s ease;
}

.row-btn:hover {
  background: var(--accent-gold);
  color: #000000;
}

.row-btn:hover svg {
  transform: translate(2px, -2px);
}

/* ================= PORTFOLIO SECTION ================= */
.portfolio-section {
  padding: 5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.portfolio-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-gold-border);
  box-shadow: var(--shadow-subtle);
}

.card-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.cat-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.status-live-tag {
  font-size: 0.675rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

.card-heading {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.card-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
}

.hl-item {
  display: flex;
  flex-direction: column;
}

.hl-value {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.hl-label {
  font-size: 0.725rem;
  color: var(--text-dim);
}

/* ================= ESTIMATOR SECTION ================= */
.estimator-section {
  padding: 5rem 0;
}

.estimator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-subtle);
}

.estimator-header {
  max-width: 640px;
  margin-bottom: 2.25rem;
}

.estimator-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.65rem;
  overflow-wrap: break-word;
}

.estimator-desc {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.option-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: all 0.2s ease;
}

.option-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-right: 1rem;
  cursor: pointer;
  flex: 1;
}

.option-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.option-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.option-tick {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: transparent;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.option-card.selected {
  border-color: var(--accent-gold);
  background: var(--accent-gold-dim);
}

.option-card.selected .option-tick {
  background: var(--accent-gold);
  color: #000000;
  border-color: var(--accent-gold);
}

.estimator-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-hairline);
  flex-wrap: wrap;
  gap: 1.25rem;
}

.estimator-selection-info {
  display: flex;
  flex-direction: column;
}

.sel-label {
  font-size: 0.775rem;
  color: var(--text-dim);
}

.sel-summary {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.btn-whatsapp-inquiry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  background: #25d366;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.925rem;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
  transition: all 0.2s ease;
  min-height: 48px;
}

.btn-whatsapp-inquiry svg {
  width: 18px;
  height: 18px;
}

.btn-whatsapp-inquiry:hover {
  background: #1eb857;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

/* ================= FAQ SECTION ================= */
.faq-section {
  padding: 5rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-hairline);
}

.faq-accordion {
  max-width: 800px;
  display: flex;
  flex-direction: column;
}

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

.faq-toggle {
  width: 100%;
  padding: 1.35rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.2s ease;
}

.faq-indicator {
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent-gold);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-indicator {
  transform: rotate(45deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-content p {
  padding-bottom: 1.35rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.active .faq-content {
  max-height: 500px;
}

/* ================= CONTACT SECTION (STUDIO-LED, NO PERSONAL IDENTITY) ================= */
.contact-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-hairline);
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  box-shadow: var(--shadow-elevation);
}

.contact-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3.5rem;
  align-items: center;
}

.contact-badge-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.studio-seal {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--accent-gold-dim);
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px var(--accent-gold-glow);
}

.seal-letter {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.studio-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.studio-sub {
  font-size: 0.725rem;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.contact-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-direct-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  background: #25d366;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.925rem;
  transition: all 0.2s ease;
  min-height: 46px;
}

.btn-direct-wa svg {
  width: 17px;
  height: 17px;
}

.btn-direct-wa:hover {
  background: #1eb857;
  transform: translateY(-2px);
}

.btn-direct-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  color: var(--text-main);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.2s ease;
  min-height: 46px;
}

.btn-direct-email svg {
  width: 17px;
  height: 17px;
  color: var(--accent-gold);
}

.btn-direct-email:hover {
  border-color: var(--accent-gold-border);
}

/* ================= FOOTER ================= */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-hairline);
  padding: 4rem 0 1.75rem;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.f-name {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-main);
  display: block;
  margin-bottom: 0.2rem;
}

.f-sub {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 0.85rem;
}

.f-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 320px;
}

.col-heading {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.15rem;
  display: block;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-nav-col a, .f-location {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-nav-col a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-meta {
  display: flex;
  gap: 0.5rem;
}

/* Toast */
.toast-popup {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--accent-gold-border);
  color: var(--text-main);
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-elevation);
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 3000;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s ease;
  pointer-events: none;
}

.toast-popup.show {
  opacity: 1;
  transform: translateY(0);
}

/* ================= RESPONSIVE BREAKPOINTS (BULLETPROOF MOBILE FIRST) ================= */
@media (max-width: 991px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-trigger {
    display: flex;
  }
  .btn-primary-header {
    display: none; /* Crucial: hide on mobile header to prevent header blowout */
  }
  .directory-row {
    grid-template-columns: 40px 1fr;
    gap: 1.25rem;
  }
  .row-action {
    grid-column: 2;
    text-align: left;
    margin-top: 0.35rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    text-align: center;
  }
  .contact-actions {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .hero-principles {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding: 1.25rem 1.15rem;
    background: var(--bg-card);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-md);
  }
  .principle-item {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 0.85rem;
  }
  .principle-num {
    font-size: 1.35rem;
    min-width: 60px;
    flex-shrink: 0;
  }
  .principle-text {
    font-size: 0.85rem;
    line-height: 1.45;
  }
  .principle-sep {
    display: none;
  }
  .manifesto-card {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .directory-row {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding: 1.75rem 0;
  }
  .row-action {
    grid-column: 1;
  }
  .row-btn {
    width: 100%;
    justify-content: center;
  }
  .options-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
  .estimator-card {
    padding: 1.75rem 1.25rem;
  }
  .btn-whatsapp-inquiry {
    width: 100%;
  }
  .contact-card {
    padding: 2rem 1.25rem;
  }
  .btn-direct-wa, .btn-direct-email {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  .toast-popup {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .header-inner {
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }
  .brand-link {
    gap: 0.55rem;
  }
  .brand-mark {
    width: 28px;
    height: 28px;
    font-size: 0.95rem;
  }
  .brand-name {
    font-size: 1.05rem;
  }
  .brand-badge {
    font-size: 0.55rem;
  }
  .hero-section {
    padding: 3.25rem 0 2.5rem;
  }
  .hero-headline {
    font-size: clamp(1.65rem, 6.8vw, 2.25rem);
    line-height: 1.25;
    margin-bottom: 1.15rem;
  }
  .hero-description {
    font-size: 0.925rem;
    line-height: 1.6;
    margin-bottom: 1.65rem;
  }
  .hero-actions-row {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    justify-content: center;
  }
  .manifesto-section,
  .services-section,
  .portfolio-section,
  .estimator-section,
  .faq-section,
  .contact-section {
    padding: 3.25rem 0;
  }
  .section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
  .section-lead {
    font-size: 0.9rem;
  }
  .portfolio-card {
    padding: 1.4rem 1.15rem;
  }
  .estimator-card {
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
  }
  .estimator-title {
    font-size: 1.45rem;
  }
  .estimator-desc {
    font-size: 0.875rem;
  }
  .option-card {
    padding: 0.95rem 1rem;
    border-radius: var(--radius-sm);
  }
  .option-title {
    font-size: 0.9rem;
  }
  .option-desc {
    font-size: 0.785rem;
  }
  .estimator-footer {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 1rem;
  }
  .estimator-selection-info {
    align-items: center;
  }
  .btn-whatsapp-inquiry {
    width: 100%;
  }
  .faq-toggle {
    font-size: 0.975rem;
    padding: 1.15rem 0;
  }
  .faq-content p {
    font-size: 0.875rem;
    padding-bottom: 1.15rem;
  }
  .contact-card {
    padding: 1.75rem 1.15rem;
    border-radius: var(--radius-md);
  }
  .contact-heading {
    font-size: 1.4rem;
  }
  .contact-body {
    font-size: 0.885rem;
  }
  .site-footer {
    padding: 2.75rem 0 1.5rem;
  }
}