/* ============================================================
   Timely Jie — Main Stylesheet
   Computer Integrated Systems Design
   Theme: Deep Slate-Blue + Warm Amber-Gold
   ============================================================ */

:root {
  --color-base: #1B2733;
  --color-darker: #16202A;
  --color-surface: #243441;
  --color-surface-light: #2E4150;
  --color-text: #EEF3F6;
  --color-muted: #9FB0BE;
  --color-accent: #E8A33D;
  --color-accent-bright: #F4BC5E;
  --color-accent-deep: #C9822B;
  --color-border: rgba(238,243,246,0.12);
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
}

/* ---- 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-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  padding: 14px 32px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.25s ease,
              border-color 0.25s ease,
              color 0.25s ease,
              transform 0.2s ease,
              box-shadow 0.25s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #1B2733;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-bright);
  border-color: var(--color-accent-bright);
  box-shadow: 0 4px 20px rgba(232,163,61,0.35);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-muted);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(232,163,61,0.15);
}

.btn-full {
  width: 100%;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(27,39,51,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.3s ease;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  transition: color 0.2s ease;
}

.logo-link:hover {
  color: var(--color-accent);
}

.logo-mark {
  color: var(--color-accent);
  font-size: 22px;
  line-height: 1;
}

.logo-text {
  letter-spacing: -0.02em;
}

/* Navigation */
.main-nav {
  display: flex;
}

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

.nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: 6px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

/* Hamburger toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1010;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Nav open state (JS toggles class) */
.main-nav.open .nav-list {
  display: flex;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-darker);
  padding: 120px 0 80px;
}

.hero-bg-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(232,163,61,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(232,163,61,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(46,65,80,0.3) 0%, transparent 60%);
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background:
    linear-gradient(180deg, transparent 0%, var(--color-base) 100%);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120' preserveAspectRatio='none'%3E%3Cpath d='M0,60 C240,120 480,0 720,60 C960,120 1200,0 1440,60 L1440,120 L0,120 Z' fill='white'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120' preserveAspectRatio='none'%3E%3Cpath d='M0,60 C240,120 480,0 720,60 C960,120 1200,0 1440,60 L1440,120 L0,120 Z' fill='white'/%3E%3C/svg%3E");
  mask-size: 100% 100%;
  -webkit-mask-size: 100% 100%;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 780px;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background-color: rgba(232,163,61,0.1);
  border: 1px solid rgba(232,163,61,0.25);
  border-radius: 100px;
  padding: 6px 20px;
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: 24px;
}

.hero-subhead {
  font-size: 18px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 660px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 56px;
}

/* Hero Stats Row */
.hero-stats-row {
  position: relative;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 48px;
  padding: 32px 40px;
  background-color: rgba(36,52,65,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.2;
}

.hero-stat-label {
  display: block;
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 4px;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 20px;
}

.section-intro {
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */

.services-section {
  padding: 100px 0;
  background-color: var(--color-base);
}

.services-shelf {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Stagger offsets */
.shelf-row-1 { margin-left: 0; }
.shelf-row-2 { margin-left: 40px; }
.shelf-row-3 { margin-left: 80px; }
.shelf-row-4 { margin-left: 40px; }

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 36px 36px 32px;
  transition: transform 0.3s ease,
              box-shadow 0.3s ease,
              border-color 0.3s ease;
  max-width: 840px;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.18);
  border-color: rgba(232,163,61,0.25);
}

.service-icon {
  margin-bottom: 20px;
}

.service-icon svg {
  display: block;
}

.service-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 14px;
}

.service-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.service-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-points li {
  font-size: 13px;
  color: var(--color-muted);
  background-color: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 5px 14px;
  line-height: 1.5;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about-section {
  padding: 100px 0;
  background-color: var(--color-darker);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text .section-tag {
  margin-bottom: 14px;
}

.about-text .section-title {
  margin-bottom: 22px;
}

.about-text p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.about-text .btn {
  margin-top: 8px;
}

/* About Visual Card */
.about-visual {
  position: sticky;
  top: 100px;
}

.about-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 32px;
}

.about-card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.about-card-row:last-of-type {
  margin-bottom: 24px;
}

.about-stat-block {
  text-align: center;
  background-color: var(--color-base);
  border-radius: 10px;
  padding: 20px 16px;
}

.about-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.2;
}

.about-stat-desc {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.4;
  margin-top: 6px;
}

.about-registration {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.about-registration strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.about-registration p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* ============================================================
   PROCESS SECTION
   ============================================================ */

.process-section {
  padding: 100px 0;
  background-color: var(--color-base);
}

.process-timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-phase {
  display: flex;
  gap: 28px;
  padding-bottom: 48px;
}

.process-phase:last-child {
  padding-bottom: 0;
}

.process-phase-marker {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 56px;
}

.phase-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: #1B2733;
  background-color: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.phase-connector {
  position: absolute;
  top: 48px;
  bottom: -48px;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-border) 0px,
    var(--color-border) 4px,
    transparent 4px,
    transparent 10px
  );
  z-index: 1;
}

.process-phase:last-child .phase-connector {
  display: none;
}

.process-phase-body {
  flex: 1;
  padding-top: 6px;
}

.phase-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.process-phase-body p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.phase-deliverables {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.phase-deliverables li {
  position: relative;
  font-size: 14px;
  color: var(--color-muted);
  padding-left: 18px;
}

.phase-deliverables li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* ============================================================
   INDUSTRIES SECTION
   ============================================================ */

.industries-section {
  padding: 100px 0;
  background-color: var(--color-darker);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.industry-tile {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 28px 28px 24px;
  transition: transform 0.3s ease,
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}

.industry-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.16);
  border-color: rgba(232,163,61,0.25);
}

.industry-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.industry-tile p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

/* ============================================================
   STATS SECTION
   ============================================================ */

.stats-section {
  padding: 72px 0;
  background-color: var(--color-surface);
}

.stats-band {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 48px;
}

.stat-item {
  text-align: center;
  max-width: 200px;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-caption {
  display: block;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.45;
}

/* ============================================================
   TESTIMONIALS SECTION
   ============================================================ */

.testimonials-section {
  padding: 100px 0;
  background-color: var(--color-base);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 32px 28px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.16);
}

.testimonial-stars {
  margin-bottom: 16px;
}

.testimonial-stars span {
  color: var(--color-accent);
  font-size: 18px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.testimonial-author strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-author span {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 2px;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */

.contact-section {
  padding: 100px 0;
  background-color: var(--color-darker);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info .section-tag {
  margin-bottom: 14px;
}

.contact-info .section-title {
  margin-bottom: 20px;
}

.contact-info > p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 32px;
}

/* Contact Details */
.contact-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-detail-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px;
}

.contact-detail-item strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.contact-detail-item span {
  display: block;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.5;
}

/* Contact Form */
.contact-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 36px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-text);
  background-color: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.25s ease,
              box-shadow 0.25s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232,163,61,0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #5A6E7E;
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.contact-form .btn {
  margin-bottom: 16px;
}

.form-note {
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background-color: var(--color-darker);
  border-top: 1px solid var(--color-border);
  padding: 72px 0 40px;
}

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

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
  transition: color 0.2s ease;
}

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

.footer-logo .logo-mark {
  color: var(--color-accent);
}

.footer-tagline {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
}

.footer-heading {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 18px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--color-muted);
  transition: color 0.2s ease;
}

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

.footer-muted {
  font-size: 14px;
  color: var(--color-muted);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 28px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ============================================================
   SCROLL REVEAL (below-fold sections only)
   ============================================================ */

.services-section .section-header,
.services-section .service-card,
.about-section .section-header,
.about-section .about-grid,
.process-section .section-header,
.process-section .process-phase,
.industries-section .section-header,
.industries-section .industry-tile,
.stats-section .stats-band,
.testimonials-section .section-header,
.testimonials-section .testimonial-card,
.contact-section .contact-grid {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================================
   RESPONSIVE — 1024px
   ============================================================ */

@media (max-width: 1024px) {
  .hero-headline {
    font-size: 44px;
  }

  .section-title {
    font-size: 34px;
  }

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

  .about-visual {
    position: static;
  }

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

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

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

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

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  /* Un-stagger shelves */
  .shelf-row-1,
  .shelf-row-2,
  .shelf-row-3,
  .shelf-row-4 {
    margin-left: 0;
  }

  .service-card {
    max-width: 100%;
  }
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  /* Mobile navigation */
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--color-surface);
    border-left: 1px solid var(--color-border);
    padding: 88px 28px 40px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 1005;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .nav-link {
    font-size: 17px;
    padding: 12px 0;
    width: 100%;
  }

  /* Nav toggle animation */
  .nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Hero */
  .hero-section {
    min-height: auto;
    padding: 140px 0 60px;
  }

  .hero-headline {
    font-size: 34px;
  }

  .hero-subhead {
    font-size: 16px;
  }

  .hero-stats-row {
    gap: 28px;
    padding: 24px 20px;
  }

  .hero-stat-number {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 320px;
  }

  /* Sections */
  .section-title {
    font-size: 28px;
  }

  .section-intro {
    font-size: 15px;
  }

  .services-section,
  .about-section,
  .process-section,
  .industries-section,
  .stats-section,
  .testimonials-section,
  .contact-section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 44px;
  }

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

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

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

  .stats-band {
    gap: 32px;
  }

  .stat-value {
    font-size: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .process-phase {
    gap: 18px;
  }

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

/* ============================================================
   RESPONSIVE — 520px
   ============================================================ */

@media (max-width: 520px) {
  .hero-headline {
    font-size: 28px;
  }

  .hero-subhead {
    font-size: 15px;
  }

  .hero-stats-row {
    gap: 20px;
  }

  .hero-stat-number {
    font-size: 24px;
  }

  .section-title {
    font-size: 24px;
  }

  .service-card {
    padding: 24px;
  }

  .service-title {
    font-size: 20px;
  }

  .about-card {
    padding: 20px;
  }

  .about-card-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .about-stat-number {
    font-size: 24px;
  }

  .process-phase {
    gap: 14px;
  }

  .phase-number {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .phase-title {
    font-size: 18px;
  }

  .contact-form {
    padding: 20px;
  }

  .stats-band {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .stat-item {
    max-width: 100%;
  }
}