/* ══════════════════════════════════════════════════════════════
   ITECKDEV AGENCY DESIGN SYSTEM (DARK & LIGHT THEMES)
══════════════════════════════════════════════════════════════ */

:root, [data-theme="dark"] {
  --bg:             #0a0e17;
  --bg-subtle:      #0f172a;
  --surface:        #131d31;
  --surface-card:   #162238;
  --surface-hover:  #1c2b47;
  --border:         rgba(255, 255, 255, 0.08);
  --border-strong:  rgba(255, 255, 255, 0.16);
  --accent:         #3b82f6;
  --accent-hover:   #2563eb;
  --accent-glow:    rgba(59, 130, 246, 0.25);
  --accent2:        #06b6d4;
  --green:          #10b981;
  --green-glow:     rgba(16, 185, 129, 0.2);
  --text:           #f8fafc;
  --text-muted:     #94a3b8;
  --text-dim:       #64748b;
  --font:           "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:           "Fira Code", monospace;
  --radius-sm:      6px;
  --radius:         12px;
  --radius-lg:      18px;
  --radius-full:    9999px;
  --shadow:         0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg:      0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-glow:    0 0 25px rgba(59, 130, 246, 0.18);
}

[data-theme="light"] {
  --bg:             #f8fafc;
  --bg-subtle:      #f1f5f9;
  --surface:        #ffffff;
  --surface-card:   #ffffff;
  --surface-hover:  #f8fafc;
  --border:         rgba(0, 0, 0, 0.08);
  --border-strong:  rgba(0, 0, 0, 0.15);
  --accent:         #2563eb;
  --accent-hover:   #1d4ed8;
  --accent-glow:    rgba(37, 99, 235, 0.15);
  --accent2:        #0284c7;
  --green:          #059669;
  --green-glow:     rgba(5, 150, 105, 0.15);
  --text:           #0f172a;
  --text-muted:     #475569;
  --text-dim:       #94a3b8;
  --shadow:         0 8px 25px rgba(0, 0, 0, 0.05);
  --shadow-lg:      0 20px 45px rgba(0, 0, 0, 0.08);
  --shadow-glow:    0 0 20px rgba(37, 99, 235, 0.1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

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

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

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

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ══════════════════════════════════════════════════════════════
   NAVIGATION & ANNOUNCEMENT BAR
══════════════════════════════════════════════════════════════ */
.announcement-bar {
  background: linear-gradient(90deg, #1d4ed8, #0ea5e9);
  color: #ffffff;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  position: relative;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.ann-badge {
  background: rgba(255, 255, 255, 0.22);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, border-color 0.3s;
}

[data-theme="light"] .nav-header {
  background: rgba(255, 255, 255, 0.88);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.brand-accent {
  color: var(--accent);
}

.brand-dot {
  width: 6px;
  height: 6px;
  background: var(--accent2);
  border-radius: 50%;
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Minimalist Light/Dark Toggle Button */
.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--surface-hover);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 4px 14px var(--accent-glow);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-weight: 600;
  font-size: 0.88rem;
  background: var(--surface);
  transition: all 0.2s ease;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 20px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

/* ══════════════════════════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════════════════════════ */
.hero-section {
  position: relative;
  padding: 96px 0 80px;
  text-align: center;
}

.hero-content {
  max-width: 880px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 18px;
}

.hero-title-gradient {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 34px;
  line-height: 1.7;
}

.hero-btn-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-stat-cell {
  background: var(--surface);
  padding: 22px 16px;
  text-align: center;
}

.hero-stat-val {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--mono);
  color: var(--text);
  letter-spacing: -0.03em;
}

.hero-stat-val span {
  color: var(--accent);
}

.hero-stat-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ══════════════════════════════════════════════════════════════
   SECTION SHARED
══════════════════════════════════════════════════════════════ */
.section {
  padding: 90px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-subtle);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ══════════════════════════════════════════════════════════════
   SERVICES GRID & INTERACTIVE CARDS
══════════════════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s ease;
  box-shadow: var(--shadow);
}

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

.service-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius);
  background: var(--surface-hover);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex: 1;
}

.service-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
  list-style: none;
}

.service-points li {
  font-size: 0.84rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-points li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
}

.service-cta-link {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  transition: gap 0.2s;
}

.service-card:hover .service-cta-link {
  gap: 9px;
}

/* ══════════════════════════════════════════════════════════════
   REALISTIC PROJECT & COST ESTIMATOR
══════════════════════════════════════════════════════════════ */
.estimator-container {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 40px;
}

.est-col-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.est-section {
  margin-bottom: 26px;
}

.est-sublabel {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.est-type-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.est-type-card {
  padding: 14px 16px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-align: left;
  transition: all 0.2s ease;
  cursor: pointer;
}

.est-type-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.est-type-card.active {
  border-color: var(--accent);
  background: var(--surface-hover);
  box-shadow: 0 0 14px var(--accent-glow);
}

.est-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 4px;
}

.est-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.est-features-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.est-chk-label {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.est-chk-label:hover {
  border-color: var(--border-strong);
}

.est-chk-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
}

.est-pace-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.est-radio-label {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s;
}

.est-radio-label input[type="radio"] {
  accent-color: var(--accent);
}

/* Estimator Live Output Card */
.est-summary-card {
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.est-curr-toolbar {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  width: fit-content;
  margin-bottom: 20px;
}

.est-curr-pill {
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
}

.est-curr-pill.active {
  background: var(--accent);
  color: #ffffff;
}

.est-summary-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.est-project-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}

.est-price-number {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--mono);
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.est-timeline-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.est-timeline-row span {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.est-timeline-row strong {
  font-size: 0.95rem;
  color: var(--green);
  font-family: var(--mono);
}

.est-stack-block {
  margin-bottom: 24px;
}

.est-stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.stack-badge {
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--accent2);
}

.est-cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.btn-email-agency {
  background: #10b981;
  color: #ffffff;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  box-shadow: 0 4px 14px var(--green-glow);
  transition: all 0.2s;
}

.btn-email-agency:hover {
  background: #059669;
  transform: translateY(-1px);
}

.btn-copied {
  background: var(--green) !important;
  color: #fff !important;
}

/* ══════════════════════════════════════════════════════════════
   CASE STUDIES & PROCESS
══════════════════════════════════════════════════════════════ */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.case-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  width: fit-content;
}

.case-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.case-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex: 1;
}

.case-metrics-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.case-metric-tile strong {
  display: block;
  font-size: 1.35rem;
  font-family: var(--mono);
  font-weight: 800;
  color: var(--green);
}

.case-metric-tile span {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Process Timeline */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--shadow);
}

.process-step-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.process-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.process-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════════
   FAQ ACCORDION
══════════════════════════════════════ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item.open {
  border-color: var(--border-strong);
}

.faq-item-header {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--text);
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.25s;
  color: var(--accent);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-item-body {
  padding: 0 22px 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: none;
}

.faq-item.open .faq-item-body {
  display: block;
}

/* ══════════════════════════════════════════════════════════════
   CONTACT & KICKOFF SECTION
══════════════════════════════════════ */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: center;
}

.contact-info-col h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.contact-info-col p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.contact-card-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-card-box strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text);
}

.contact-card-box span {
  font-size: 0.82rem;
  color: var(--accent);
}

.contact-form-card {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent);
}

.form-textarea {
  height: 110px;
  resize: vertical;
}

.btn-submit {
  width: 100%;
  padding: 13px;
  font-size: 0.94rem;
}

.btn-success {
  background: var(--green) !important;
}

/* ══════════════════════════════════════════════════════════════
   MODAL & TOAST
══════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.78);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-card);
  color: var(--text-muted);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  color: var(--text);
}

.modal-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.modal-tagline {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.modal-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
  list-style: none;
}

.modal-list li {
  font-size: 0.85rem;
  color: var(--text);
  display: flex;
  gap: 8px;
}

.modal-list li::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
}

.app-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--green);
  color: var(--text);
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.app-toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  padding: 70px 0 35px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 320px;
  margin-top: 12px;
}

.footer-col h5 {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.footer-col a {
  font-size: 0.86rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 14px;
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .estimator-container { grid-template-columns: 1fr; }
  .contact-container { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-primary { display: none; }
  .hamburger { display: flex; }
  .est-features-list { grid-template-columns: 1fr; }
  .est-pace-row { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}