:root {
  --ink: #07111f;
  --navy: #082d45;
  --blue: #0067c8;
  --blue-dark: #004a92;
  --blue-soft: #e8f3ff;
  --steel: #627389;
  --line: #d8e1ea;
  --paper: #f7fafc;
  --white: #ffffff;
  --metal: #aeb8c3;
  --warm: #c89a4a;
  --shadow-sm: 0 4px 20px rgba(7, 17, 31, 0.08);
  --shadow: 0 24px 70px rgba(7, 17, 31, 0.16);
  --shadow-lg: 0 40px 90px rgba(7, 17, 31, 0.24);
  --radius: 10px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 60;
  position: relative;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 300ms ease, background 300ms ease;
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  padding: 12px 0;
  background: rgba(7, 17, 31, 0.55);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 300ms ease;
}

.site-header.scrolled {
  background: rgba(7, 17, 31, 0.82);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
}

.nav-container {
  width: min(1180px, calc(100% - 40px));
  height: 54px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  height: 48px;
}

.brand img {
  width: 140px;
  height: 50px;
  object-fit: cover;
  object-position: center;
  border-radius: 6px;
}

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

.nav-links .nav-social {
  display: none;
}

.nav-links a {
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  transition: color 200ms ease, background 200ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  color: var(--white);
  background: var(--blue);
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.9rem;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  box-shadow: 0 8px 24px rgba(0, 103, 200, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  background: #0078e6;
  box-shadow: 0 12px 32px rgba(0, 103, 200, 0.4);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  transform: scale(1.02);
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, rgba(7, 17, 31, 0.92) 0%, rgba(7, 17, 31, 0.7) 30%, rgba(7, 17, 31, 0.2) 55%, rgba(7, 17, 31, 0) 75%);
}

.hero-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 140px 0 100px;
  display: flex;
  align-items: center;
}

.hero-copy {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(0, 103, 200, 0.25);
  border: 1px solid rgba(0, 103, 200, 0.3);
  border-radius: 999px;
  color: #b9dcff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.hero h1 {
  margin-top: 24px;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.text-highlight {
  color: #4da8ff;
}

.text-highlight-dark {
  color: var(--blue);
}

.hero-copy p {
  max-width: 600px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.6;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 26px;
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 0.95rem;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  box-shadow: 0 16px 34px rgba(0, 103, 200, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(0, 103, 200, 0.4);
}

.btn-ghost {
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
  min-height: 56px;
  padding: 0 32px;
  font-size: 1.05rem;
}

.hero-metrics {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 560px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-metrics div {
  padding: 22px 24px 0 0;
}

.hero-metrics strong {
  display: block;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  line-height: 1;
  background: linear-gradient(135deg, #fff, #b9dcff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-metrics span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  font-weight: 600;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  position: relative;
}

.hero-scroll-indicator span::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.3; }
}

/* ===== SECTION HEADINGS ===== */
.section-heading {
  max-width: 780px;
  margin-bottom: 50px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid rgba(0, 103, 200, 0.12);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-heading h2 {
  margin-top: 16px;
  font-size: clamp(2rem, 3.8vw, 4rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.section-heading p {
  margin-top: 18px;
  color: #506176;
  font-size: 1.06rem;
  max-width: 680px;
  line-height: 1.6;
}

/* ===== SERVICES ===== */
.services {
  padding: 100px 0;
  background: linear-gradient(180deg, #f7fafc 0%, #eef5fb 100%);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 300ms ease, box-shadow 300ms ease;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.service-img {
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.service-card:hover .service-img img {
  transform: scale(1.06);
}

.service-content {
  padding: 24px;
}

.service-num {
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 1px;
}

.service-content h3 {
  margin-top: 8px;
  font-size: 1.2rem;
  line-height: 1.2;
  font-weight: 800;
}

.service-content p {
  margin-top: 10px;
  color: #5f6f82;
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ===== ABOUT ===== */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
  min-height: 500px;
}

.about-image-main {
  width: 80%;
  height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-secondary {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 55%;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--white);
}

.about-image-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-experience {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--blue);
  color: var(--white);
  padding: 18px 22px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 103, 200, 0.35);
}

.about-experience strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
}

.about-experience span {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  opacity: 0.9;
}

.about-copy h2 {
  margin-top: 16px;
  font-size: clamp(1.8rem, 3.2vw, 3.2rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.about-heading-line1 {
  color: var(--blue);
  font-size: 0.7em;
}

.about-heading-line2 {
  font-size: 0.6em;
  display: block;
  margin-top: 2px;
}

.about-copy p {
  margin-top: 20px;
  color: #506176;
  font-size: 1.05rem;
  line-height: 1.6;
}

.about-list {
  margin-top: 28px;
  display: grid;
  gap: 14px;
  list-style: none;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: #2a3a4e;
}

.about-copy .btn {
  margin-top: 32px;
}

.about-signoff {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--blue-soft);
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--navy);
}

/* ===== WORKS ===== */
.works {
  padding: 100px 0;
  background: var(--paper);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.work-grid figure {
  min-height: 320px;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius);
  background: var(--ink);
  cursor: pointer;
}

.work-grid img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  transition: filter 400ms ease, transform 500ms ease;
}

.work-grid figure:hover img {
  filter: blur(4px) brightness(0.5);
  transform: scale(1.02);
}

.works-hint {
  margin-top: 10px !important;
  font-size: 0.85rem !important;
  color: #7a8a9e !important;
  font-weight: 500 !important;
  max-width: 100% !important;
}

.work-grid figcaption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: var(--white);
  font-weight: 700;
  font-size: 0.92rem;
  text-align: center;
  opacity: 0;
  transition: opacity 350ms ease;
  z-index: 1;
}

.work-grid figure:hover figcaption {
  opacity: 1;
}

/* ===== VIDEOS ===== */
.videos {
  padding: 100px 0;
  background: #eef5fb;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.video-grid video {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 0;
  background: var(--ink);
  box-shadow: 0 14px 42px rgba(25, 44, 64, 0.1);
}

.video-grid video:focus {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #07304a, #061827);
  color: var(--white);
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-content {
  max-width: 680px;
}

.cta-content .section-kicker {
  color: #b9dcff;
  background: rgba(0, 103, 200, 0.25);
  border-color: rgba(185, 220, 255, 0.2);
}

.cta-content h2 {
  margin-top: 16px;
  font-size: clamp(1.8rem, 3.2vw, 3.2rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.cta-content p {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 600px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 64px 0 0;
  background: #06111d;
  color: rgba(255, 255, 255, 0.7);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  border-radius: 6px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 360px;
}

.footer h3 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  padding-left: 42px;
}

.footer-links a {
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 200ms ease;
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  padding-left: 42px;
}

.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 200ms ease;
}

.footer-contact a:hover {
  color: var(--blue);
}

.footer-address {
  margin-top: 4px;
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer-map-container {
  margin-top: 10px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 200px;
}

.footer-map-container iframe {
  display: block;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 17, 31, 0.92);
  backdrop-filter: blur(8px);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 2;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.6rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 200ms ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease, border-color 200ms ease;
  backdrop-filter: blur(8px);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.06);
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

.lightbox-counter {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.lightbox-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 320px;
  max-width: 1100px;
  width: min(94%, 1100px);
  max-height: 88vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

.lightbox-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  max-height: 80vh;
  overflow: hidden;
  padding: 20px;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: scale-down;
  display: block;
  border-radius: 4px;
}

.lightbox-info {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: #0a1a2a;
  color: var(--white);
}

.lightbox-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 12px;
  background: rgba(0, 103, 200, 0.2);
  border: 1px solid rgba(0, 103, 200, 0.25);
  border-radius: 999px;
  color: #b9dcff;
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.lightbox-caption {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

@media (max-width: 780px) {
  .lightbox-content {
    grid-template-columns: 1fr;
    max-height: 95vh;
    width: min(96%, 1100px);
  }

  .lightbox-image-container {
    min-height: 260px;
    max-height: 50vh;
  }

  .lightbox-info {
    padding: 24px 20px;
  }

  .lightbox-caption {
    font-size: 1.05rem;
  }

  .lightbox-close {
    top: 8px;
    right: 8px;
    width: 44px;
    height: 44px;
    font-size: 2.2rem;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10;
  }

  .lightbox-prev {
    left: 8px;
  }

  .lightbox-next {
    right: 8px;
  }
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.55);
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  :root {
    --mobile-header-height: 78px;
  }

  .hamburger {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    display: flex;
    position: fixed;
    top: var(--mobile-header-height);
    left: auto;
    right: 0;
    width: clamp(245px, 66vw, 360px);
    height: calc(100vh - var(--mobile-header-height));
    height: calc(100dvh - var(--mobile-header-height));
    background:
      radial-gradient(circle at 50% 0, rgba(0, 103, 200, 0.18), transparent 34%),
      linear-gradient(180deg, #0a2d48 0%, #05243b 46%, #031522 100%);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 24px 22px 30px;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    z-index: 55;
    box-shadow: -24px 0 56px rgba(0, 0, 0, 0.28);
    transition: opacity 350ms ease, visibility 350ms ease;
    overflow-y: auto;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links::before {
    display: none;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 54px;
    padding: 14px 18px;
    font-size: 1.05rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.78);
    letter-spacing: 0;
    border-radius: 14px;
    border: 1px solid transparent;
    text-align: center;
    transition: background 250ms ease, color 250ms ease, border-color 250ms ease, transform 250ms ease;
    position: relative;
  }

  .nav-links a::before {
    display: none;
  }

  .nav-links a:hover,
  .nav-links a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
  }

  .nav-links a.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(0, 103, 200, 0.95), rgba(56, 160, 255, 0.78));
    border-color: rgba(129, 198, 255, 0.38);
    box-shadow: 0 14px 32px rgba(0, 103, 200, 0.24);
  }

  .nav-links a::after {
    display: none;
  }

  /* Social links at the bottom */
  .nav-links .nav-social {
    margin: 2px 0 0;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 54px;
    font-size: 0.95rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.78);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 250ms ease, color 250ms ease, border-color 250ms ease;
  }

  .nav-links .nav-social svg {
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity 250ms ease;
  }

  .nav-links .nav-social:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
  }

  .nav-links .nav-social:hover svg {
    opacity: 1;
  }

  .nav-links .nav-social::before {
    display: none;
  }

  .nav-overlay {
    position: fixed;
    top: var(--mobile-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 17, 31, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 54;
    opacity: 0;
    visibility: hidden;
    transition: opacity 400ms ease, visibility 400ms ease;
    cursor: pointer;
  }

  .nav-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  .hero-inner {
    padding: 120px 0 80px;
  }

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

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    min-height: 400px;
  }

  .about-image-main {
    height: 340px;
  }

  .about-image-secondary {
    height: 220px;
  }

  .work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-grid figcaption {
    opacity: 1;
    inset: auto 0 0;
    padding: 18px 18px 16px;
    text-align: left;
    align-items: flex-end;
    justify-content: flex-start;
    font-size: 0.82rem;
    font-weight: 600;
    background: linear-gradient(transparent 0%, rgba(7, 17, 31, 0.85) 40%);
  }

  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-box {
    flex-direction: column;
    text-align: center;
  }

  .cta-content {
    max-width: 100%;
  }

  .cta-content p {
    max-width: 100%;
  }

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

  .footer-brand {
    grid-column: span 2;
  }

  .footer-links,
  .footer-contact {
    border-left: 0;
    padding-left: 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
}

@media (max-width: 680px) {
  :root {
    --mobile-header-height: 74px;
  }

  .container {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    padding: 10px 0;
  }

  .brand img {
    width: 120px;
    height: 44px;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 14px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: 100vh;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero-scroll-indicator {
    display: none;
  }

  .services,
  .about,
  .works,
  .videos,
  .cta-section {
    padding: 68px 0;
  }

  .service-grid,
  .work-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

  .service-img {
    height: 200px;
  }

  .about-visual {
    min-height: auto;
  }

  .about-image-main {
    width: 100%;
    height: 260px;
  }

  .about-image-secondary {
    display: none;
  }

  .about-experience {
    top: 10px;
    right: 10px;
    padding: 14px 18px;
  }

  .about-experience strong {
    font-size: 1.6rem;
  }

  .work-grid figure {
    min-height: 280px;
    border-radius: var(--radius);
  }

  .work-grid img {
    min-height: 280px;
  }

  .work-grid figcaption {
    opacity: 1;
    inset: auto 0 0;
    padding: 20px 20px 18px;
    text-align: left;
    align-items: flex-end;
    justify-content: flex-start;
    font-size: 0.85rem;
    font-weight: 600;
    background: linear-gradient(transparent 0%, rgba(7, 17, 31, 0.85) 40%);
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .footer-links,
  .footer-contact {
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
}