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

:root {
  color-scheme: light only;
  --black: #0D0D0D;
  --white: #FAFAF7;
  --cream: #F5E6C8;
  --cream-dark: #C4A265;
  --green: #3D5A3A;
  --green-light: #5A7D56;
  --gray: #888;
  --gray-light: #B0B0B0;
  --border: rgba(255,255,255,0.1);
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
}

html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1300px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 60px); }

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1), transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ===== NAV ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: background 0.4s ease, padding 0.4s ease;
  background: rgba(13,13,13,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
nav.scrolled {
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
}
nav.nav-solid {
  background: rgba(13,13,13,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
nav .container {
  display: flex; justify-content: space-between; align-items: center;
}
.nav-logo {
  font-family: var(--font-serif); font-size: 1.3rem; color: #fff;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--cream); }
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
  font-size: 0.85rem; font-weight: 400; color: #fff;
  letter-spacing: 0.02em; transition: color 0.3s;
  display: flex; align-items: center; gap: 4px;
}
.nav-links > li > a:hover { color: var(--cream); }
.nav-links > li > a .arrow {
  font-size: 0.6rem; transition: transform 0.3s;
}

/* Dropdown */
.dropdown {
  position: absolute; top: 100%; left: -16px; padding-top: 12px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all 0.3s ease;
}
.nav-links > li:hover .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-inner {
  background: var(--black); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; padding: 12px 0; min-width: 220px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.dropdown a {
  display: block; padding: 10px 24px; font-size: 0.8rem;
  color: var(--gray-light); transition: all 0.2s;
}
.dropdown a:hover {
  color: #fff; background: rgba(255,255,255,0.04);
}

.nav-social {
  display: flex; gap: 14px; margin-left: 16px;
}
.nav-social a { color: #fff; display: flex; transition: color 0.3s; }
.nav-social a:hover { color: var(--cream); }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0;
  transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh; background: var(--black); color: #fff;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 0 80px; position: relative; overflow: hidden;
}
.hero-bg-image {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: url('img/old-hero-clouds.jpg') center bottom/cover no-repeat;
  opacity: 0.3;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.4) 40%, rgba(0,0,0,0.6) 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.4) 40%, rgba(0,0,0,0.6) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero h1 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(3.5rem, 8vw, 7rem); line-height: 0.95;
  letter-spacing: -0.03em; color: var(--cream);
  margin-bottom: 40px;
  animation: fadeUp 1s cubic-bezier(0.16,1,0.3,1) forwards;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(50px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 40px; animation: fadeUp 1s 0.3s cubic-bezier(0.16,1,0.3,1) both;
}
.hero-intro {
  max-width: 600px;
}
.hero-intro-label {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--cream-dark); margin-bottom: 16px;
}
.hero-intro p {
  font-size: 1.1rem; line-height: 1.7; color: var(--gray-light);
}
.hero-intro p strong { color: #fff; font-weight: 600; }
.hero-nav-links {
  display: flex; flex-direction: column; gap: 8px; text-align: right;
}
.hero-nav-links a {
  font-size: 0.85rem; color: var(--gray); display: flex; align-items: center;
  justify-content: flex-end; gap: 8px; transition: all 0.3s;
}
.hero-nav-links a:hover { color: #fff; gap: 12px; }
.hero-nav-links a svg { width: 14px; height: 14px; }

/* ===== FULL-WIDTH IMAGE SECTION ===== */
.full-image {
  width: 100%; aspect-ratio: 16/7; overflow: hidden;
  position: relative;
}
.full-image img {
  width: 100%; height: 100%; object-fit: cover;
}
.full-image-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 40px; background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff;
}
.full-image-overlay h2 {
  font-family: var(--font-serif); font-size: clamp(1.5rem, 3vw, 2.5rem);
}

/* ===== ABOUT ===== */
.about {
  padding: clamp(80px, 12vw, 160px) 0;
}
.about .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.about-image {
  border-radius: 8px; overflow: hidden; aspect-ratio: 3/4;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-label {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--green); margin-bottom: 20px;
}
.about h2 {
  font-family: var(--font-serif); font-size: clamp(2rem, 3.5vw, 2.8rem);
  line-height: 1.15; margin-bottom: 24px; letter-spacing: -0.01em;
}
.about p {
  font-size: 1rem; line-height: 1.8; color: #555; margin-bottom: 16px;
}
.about-tags {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px;
}
.about-tags span {
  font-size: 0.75rem; font-weight: 500; padding: 6px 16px;
  border-radius: 100px; border: 1px solid #ddd; color: #666;
  transition: all 0.3s;
}
.about-tags span:hover { border-color: var(--green); color: var(--green); }

/* ===== MARQUEE CLIENTS ===== */
.marquee-section {
  padding: 60px 0; overflow: hidden; border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}
.marquee-label {
  text-align: center; font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray);
  margin-bottom: 32px;
}
.marquee-track {
  display: flex; gap: 80px; animation: marquee 25s linear infinite;
  width: max-content;
}
.marquee-track span {
  font-family: var(--font-serif); font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  white-space: nowrap; color: var(--black); opacity: 0.6;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== PUBLICATIONS ===== */
.publications {
  padding: clamp(80px, 12vw, 160px) 0;
  background: var(--black); color: #fff;
}
.pub-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 60px;
}
.pub-header h2 {
  font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--cream); letter-spacing: -0.02em;
}
.pub-header a {
  font-size: 0.85rem; color: var(--gray); display: flex;
  align-items: center; gap: 8px; transition: all 0.3s;
}
.pub-header a:hover { color: #fff; gap: 12px; }

.pub-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.pub-card {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px; overflow: hidden; transition: all 0.5s;
  cursor: pointer;
}
.pub-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}
.pub-card-img {
  aspect-ratio: 16/10; overflow: hidden;
}
.pub-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.pub-card:hover .pub-card-img img { transform: scale(1.05); }
.pub-card-body { padding: 28px 32px 32px; }
.pub-card-outlet {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--cream-dark); margin-bottom: 10px;
}
.pub-card-title {
  font-family: var(--font-serif); font-size: 1.3rem; line-height: 1.3;
  margin-bottom: 12px; color: #fff;
}
.pub-card-excerpt {
  font-size: 0.88rem; line-height: 1.65; color: var(--gray); margin-bottom: 20px;
}
.pub-card-link {
  font-size: 0.8rem; font-weight: 500; color: var(--cream-dark);
  display: inline-flex; align-items: center; gap: 6px;
}
.pub-card-link svg { width: 14px; height: 14px; transition: transform 0.3s; }
.pub-card:hover .pub-card-link svg { transform: translateX(4px); }

/* ===== SERVICES ===== */
.services {
  padding: clamp(80px, 12vw, 160px) 0;
}
.services-label {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gray); margin-bottom: 48px;
}
.service-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 40px 0; border-top: 1px solid #ddd; gap: 40px;
}
.service-row:last-child { border-bottom: 1px solid #ddd; }
.service-left { flex: 0 0 40%; }
.service-left h3 {
  font-family: var(--font-serif); font-size: 1.6rem; margin-bottom: 8px;
}
.service-left p {
  font-size: 0.9rem; color: #666; line-height: 1.6;
}
.service-tags {
  display: flex; flex-wrap: wrap; gap: 8px; flex: 1;
  justify-content: flex-end;
}
.service-tags span {
  font-size: 0.75rem; padding: 6px 16px; border-radius: 100px;
  border: 1px solid #ccc; color: #555; white-space: nowrap;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: clamp(80px, 12vw, 160px) 0;
  background: var(--black); color: #fff;
}
.test-header {
  margin-bottom: 60px;
}
.test-header-label {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--cream-dark); margin-bottom: 12px;
}
.test-header h2 {
  font-family: var(--font-serif); font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: var(--cream);
}
.test-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.test-card {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px; padding: 36px 32px; transition: all 0.4s;
}
.test-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}
.test-quote {
  font-family: var(--font-serif); font-size: 3rem;
  color: var(--cream-dark); line-height: 1; margin-bottom: 16px;
}
.test-text {
  font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.7);
  margin-bottom: 28px; font-style: italic;
}
.test-name {
  font-size: 0.85rem; font-weight: 600; color: #fff;
}
.test-role {
  font-size: 0.72rem; color: rgba(255,255,255,0.35); margin-top: 2px;
}

/* ===== CTA ===== */
.cta {
  padding: clamp(100px, 14vw, 180px) 0;
  text-align: center;
}
.cta h2 {
  font-family: var(--font-serif); font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 20px;
}
.cta p {
  font-size: 1.05rem; color: #666; line-height: 1.7;
  max-width: 560px; margin: 0 auto 40px;
}
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-dark {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; background: var(--black); color: #fff;
  font-size: 0.85rem; font-weight: 500; border-radius: 100px;
  transition: all 0.3s; letter-spacing: 0.02em;
}
.btn-dark:hover { background: #333; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; background: transparent; color: var(--black);
  font-size: 0.85rem; font-weight: 500; border-radius: 100px;
  border: 1px solid #ccc; transition: all 0.3s;
}
.btn-outline:hover { border-color: var(--black); transform: translateY(-2px); }

/* ===== FOOTER ===== */
footer {
  padding: 48px 0; background: var(--black); color: #fff;
  border-top: 1px solid rgba(255,255,255,0.06);
}
footer .container {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-logo {
  font-family: var(--font-serif); font-size: 1.1rem;
}
.footer-logo span { color: var(--cream); }
.footer-links { display: flex; gap: 28px; }
.footer-links a {
  font-size: 0.8rem; color: rgba(255,255,255,0.4); transition: color 0.3s;
}
.footer-links a:hover { color: #fff; }
.footer-social { display: flex; gap: 14px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5); transition: all 0.3s;
}
.footer-social a:hover { border-color: var(--cream); color: var(--cream); }

/* ===== PAGE HERO (Sub-pages) ===== */
.page-hero {
  min-height: 40vh;
  background: var(--black);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 0 60px;
  padding-top: 100px;
}
.page-hero-label {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cream-dark);
  margin-bottom: 22px;
}
.page-hero h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cream);
}
.page-hero p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--gray-light);
  max-width: 600px;
  margin-top: 20px;
}

/* ===== PORTFOLIO GRID ===== */
.portfolio-section {
  padding: clamp(60px, 10vw, 120px) 0;
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 32px;
}
.portfolio-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #eee;
  transition: all 0.4s;
}
.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}
.portfolio-card-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #f0ede6;
}
.portfolio-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.portfolio-card:hover .portfolio-card-img img {
  transform: scale(1.05);
}
.portfolio-card-body {
  padding: 24px 28px 28px;
}
.portfolio-card-outlet {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 8px;
}
.portfolio-card-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.3;
  margin-bottom: 10px;
}
.portfolio-card-excerpt {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 16px;
}
.portfolio-card-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.portfolio-card-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s;
}
.portfolio-card:hover .portfolio-card-link svg {
  transform: translateX(4px);
}

/* ===== CASE STUDIES ===== */
.case-study {
  padding: clamp(60px, 10vw, 120px) 0;
  border-bottom: 1px solid #eee;
}
.case-study:last-of-type {
  border-bottom: none;
}
.case-study .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.case-study-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}
.case-study h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 16px;
}
.case-study p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
  margin-bottom: 12px;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.stat-item {
  padding: 24px;
  background: var(--white);
  border: 1px solid #eee;
  border-radius: 12px;
}
.stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--green);
  margin-bottom: 4px;
}
.stat-desc {
  font-size: 0.8rem;
  color: #666;
}
.case-study-image {
  border-radius: 12px;
  overflow: hidden;
}
.case-study-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.testimonial-inline {
  margin-top: 32px;
  padding: 24px 28px;
  background: rgba(61,90,58,0.04);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
}
.testimonial-inline p {
  font-style: italic;
  color: #444;
  margin-bottom: 8px;
}
.testimonial-inline cite {
  font-size: 0.8rem;
  color: #888;
  font-style: normal;
}
.coming-soon {
  text-align: center;
  padding: clamp(100px, 15vw, 200px) 0;
}
.coming-soon h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--black);
}
.coming-soon p {
  font-size: 1rem;
  color: #888;
  max-width: 400px;
  margin: 0 auto;
}

/* ===== CONTACT ===== */
.contact-section {
  padding: clamp(60px, 10vw, 120px) 0;
}
.contact-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 16px;
}
.contact-info p {
  font-size: 1rem;
  line-height: 1.7;
  color: #555;
  margin-bottom: 32px;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--green);
  font-weight: 500;
  transition: gap 0.3s;
}
.contact-links a:hover { gap: 16px; }
.contact-links a svg { width: 20px; height: 20px; }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #888;
}
.form-group input,
.form-group textarea {
  padding: 14px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.3s;
  background: #fff;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form-group textarea {
  resize: vertical;
  min-height: 140px;
}
.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--black);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s;
  align-self: flex-start;
}
.form-submit:hover {
  background: #333;
  transform: translateY(-2px);
}

/* ===== ABOUT PAGE ===== */
.about-full {
  padding: clamp(60px, 10vw, 120px) 0;
}
.about-full .container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.about-full-image {
  border-radius: 12px;
  overflow: hidden;
  position: sticky;
  top: 120px;
}
.about-full-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.about-full-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 24px;
}
.about-full-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 16px;
}
.about-full-content .about-tags {
  margin-top: 40px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about .container { grid-template-columns: 1fr; gap: 40px; }
  .about-image { max-width: 450px; }
  .test-grid { grid-template-columns: 1fr 1fr; }
  .service-row { flex-direction: column; gap: 20px; }
  .service-tags { justify-content: flex-start; }
  .about-full .container { grid-template-columns: 1fr; gap: 40px; }
  .about-full-image { position: static; max-width: 500px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: fixed;
    top: 68px; left: 0; right: 0; width: 100vw;
    background: var(--black);
    padding: 20px 28px 28px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 1001;
    box-shadow: 0 12px 32px rgba(0,0,0,0.4);
    text-align: left;
    align-items: stretch;
    box-sizing: border-box;
  }
  nav.scrolled .nav-links.open { top: 56px; }
  .nav-links.open > li {
    list-style: none;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links.open > li:last-child { border-bottom: none; }
  .nav-links.open > li > a {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 14px 0;
    font-size: 1rem;
    letter-spacing: 0.01em;
    color: #fff;
    gap: 8px;
  }
  .nav-links.open > li > a .arrow {
    font-size: 0.7rem;
    margin-left: 4px;
    color: var(--cream);
  }
  .nav-links.open .dropdown {
    position: static; opacity: 1; visibility: visible;
    transform: none;
    padding: 0 0 12px;
    background: transparent;
  }
  .nav-links.open .dropdown-inner {
    background: transparent; border: none; box-shadow: none;
    padding: 0 0 0 18px;
    display: flex; flex-direction: column;
  }
  .nav-links.open .dropdown-inner a {
    display: block;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--gray-light);
    text-align: left;
  }
  .nav-links.open .dropdown-inner a:hover { color: #fff; background: none; }
  .nav-social { display: none; }
  .hero h1 { font-size: clamp(2.8rem, 10vw, 4.5rem); }
  .hero-bottom { flex-direction: column; align-items: flex-start; }
  .hero-nav-links { text-align: left; flex-direction: row; gap: 16px; flex-wrap: wrap; }
  .hero-nav-links a { justify-content: flex-start; }
  .pub-grid { grid-template-columns: 1fr; }
  .pub-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .test-grid { grid-template-columns: 1fr; }
  footer .container { flex-direction: column; gap: 24px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .case-study .container { grid-template-columns: 1fr; gap: 32px; }
  .contact-section .container { grid-template-columns: 1fr; gap: 40px; }
  .stat-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
}