/* ==========================================================================
   Nester — Paid Media Agency
   Core stylesheet shared across all pages
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f7fb;
  --color-dark: #0f172a;
  --color-dark-alt: #16213e;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #f97316;
  --color-accent-dark: #ea580c;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-inverse: #e2e8f0;
  --color-border: #e2e8f0;

  --font-heading: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --max-width: 1160px;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.14);
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

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

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.section-head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-dark);
}

.btn-light {
  background: #fff;
  color: var(--color-dark);
}

.btn-light:hover {
  background: var(--color-text-inverse);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
  background: #1da851;
}

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

.btn-block {
  width: 100%;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-dark);
}

.logo-text span {
  color: var(--color-primary);
}

.logo-icon {
  height: 34px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(circle at 20% 20%, #16213e 0%, var(--color-dark) 60%);
  color: #fff;
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 30%, rgba(37, 99, 235, 0.35), transparent 55%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  margin-bottom: 20px;
}

.hero .accent-text {
  color: var(--color-accent);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-inverse);
  margin-bottom: 32px;
  max-width: 520px;
}

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

.hero-stats {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(6px);
}

.hero-stats ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.hero-stats li strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: #fff;
}

.hero-stats li span {
  font-size: 0.85rem;
  color: var(--color-text-inverse);
}

/* ---------- Platforms strip ---------- */
.platforms-strip {
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.platforms-strip p {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}

.platform-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.platform-track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  padding: 0 28px;
  animation: platform-scroll 26s linear infinite;
}

.platform-marquee:hover .platform-track {
  animation-play-state: paused;
}

@keyframes platform-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.platform-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.platform-item img {
  height: 34px;
  width: auto;
}

.platform-item span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  .platform-track {
    animation: none;
  }
}

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 28px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.card-link {
  display: inline-block;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
}

/* ---------- Process ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding-top: 8px;
}

.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.35;
  display: block;
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ---------- Case studies ---------- */
.case-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.case-card-top {
  background: var(--color-dark);
  color: #fff;
  padding: 28px 32px;
}

.case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.case-card-top h3 {
  font-size: 1.3rem;
}

.case-client-note {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 4px;
}

.case-card-body {
  padding: 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.case-card-body p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.case-metrics li strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-dark);
}

.case-metrics li span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ---------- Testimonial ---------- */
.testimonial {
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.testimonial p {
  font-size: 1.3rem;
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 24px;
}

.testimonial-author {
  color: var(--color-text-inverse);
  font-size: 0.9rem;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(120deg, var(--color-primary), #1e3a8a);
  color: #fff;
  border-radius: var(--radius);
  padding: 56px;
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--color-text-inverse);
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Values grid ---------- */
.value-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
}

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

.value-item strong {
  font-family: var(--font-heading);
  color: var(--color-primary);
}

/* ---------- Founder / about ---------- */
.about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 460px) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.about-intro {
  max-width: 720px;
}

.founder-spotlight {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.founder-photo-col {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.founder-photo-col .founder-heading {
  margin-top: 14px;
}

.founder-heading h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.founder-title {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.founder-top {
  display: flex;
  gap: 36px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.founder-top .founder-photo {
  width: 240px;
  flex-shrink: 0;
  height: auto;
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  object-fit: cover;
  object-position: center 15%;
  display: block;
}

.founder-quote-block {
  flex: 1;
}

.founder-quote-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.founder-quote {
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
  margin: 0;
}

.founder-quote p {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.founder-quote cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.founder-bio {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 720px) {
  .founder-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .founder-top .founder-photo {
    width: 100%;
    max-width: 280px;
  }
}

/* ---------- Services detail ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  padding: 56px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail-number {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.service-detail h3 {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.service-detail p {
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.service-detail ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.service-detail ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}

.contact-info-item {
  margin-bottom: 28px;
}

.contact-info-item h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.contact-info-item p,
.contact-info-item a {
  font-size: 1.05rem;
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: 14px;
  margin-top: 8px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-text);
  transition: background var(--transition), color var(--transition);
}

.social-links a:hover {
  background: var(--color-dark);
  color: #fff;
}

.social-links a svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-brand .social-links {
  margin-top: 20px;
}

.footer-brand .social-links a {
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(226, 232, 240, 0.85);
}

.footer-brand .social-links a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.form-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: #fff;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 12px;
}

.form-success {
  display: none;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.form-success.visible {
  display: block;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-inverse);
  padding: 64px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo {
  color: #fff;
}

.footer-brand p {
  margin-top: 14px;
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.7);
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  color: #fff;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 0.9rem;
  color: rgba(226, 232, 240, 0.75);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 0.82rem;
  color: rgba(226, 232, 240, 0.6);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  z-index: 200;
  background: var(--color-dark);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 12px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  padding: 18px 0 0;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: rgba(226, 232, 240, 0.65);
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumbs a {
  color: rgba(226, 232, 240, 0.85);
  transition: color var(--transition);
}

.breadcrumbs a:hover {
  color: #fff;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 6px;
  color: rgba(226, 232, 240, 0.4);
}

.breadcrumbs li[aria-current="page"] {
  color: #fff;
}

.breadcrumbs.on-light ol {
  color: var(--color-text-muted);
}

.breadcrumbs.on-light a {
  color: var(--color-text);
}

.breadcrumbs.on-light li[aria-current="page"] {
  color: var(--color-dark);
}

.breadcrumbs.on-light li:not(:last-child)::after {
  color: var(--color-border);
}

/* ---------- Card icon (SVG) ---------- */
.card-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

/* ---------- Animated stat counters ---------- */
[data-count] {
  font-variant-numeric: tabular-nums;
}

/* ---------- FAQ accordion ---------- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition);
}

.faq-question .faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.faq-question .faq-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.faq-item[open] .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  padding: 0 4px 22px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---------- Testimonial carousel ---------- */
.testimonial-carousel {
  position: relative;
}

.testimonial-slide {
  display: none;
}

.testimonial-slide.is-active {
  display: block;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.testimonial-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}

.testimonial-dots button.is-active {
  background: var(--color-primary);
  transform: scale(1.3);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-dark);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 90;
  box-shadow: var(--shadow-md);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta-bar {
  display: none;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero .container,
  .contact-layout,
  .about-hero-grid {
    grid-template-columns: 1fr;
  }

  .process-steps,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .service-detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-links,
  .nav-cta .btn-secondary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 18px;
  }

  section {
    padding: 64px 0;
  }

  .grid-3,
  .grid-4,
  .grid-2,
  .process-steps,
  .footer-top,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 88px 0 64px;
  }

  .cta-banner {
    padding: 36px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  body {
    padding-bottom: 76px;
  }

  .mobile-cta-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 95;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
  }

  .mobile-cta-bar .btn {
    width: 100%;
  }

  .back-to-top {
    bottom: 88px;
  }
}