:root {
  --navy: #13284c;
  --navy-dark: #0c1c37;
  --teal: #17a389;
  --green: #2fae6b;
  --gradient: linear-gradient(120deg, #2196a8, #2fae6b);
  --text: #2b2f36;
  --text-light: #6b7280;
  --bg-light: #f7f8fa;
  --white: #ffffff;
  --radius: 10px;
  --max-width: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

h1, h2, h3 {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}

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

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

section[id] {
  scroll-margin-top: 90px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eceef1;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: 'Poppins', sans-serif;
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 4px;
}

.logo__main {
  font-weight: 800;
  font-size: 19px;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.logo__sub {
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--navy);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
}

.nav__links a:hover { color: var(--teal); }

.nav__cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600 !important;
}

.nav__cta:hover { background: var(--navy-dark); }

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

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  display: block;
}

/* Hero */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  background: var(--navy);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(23, 163, 137, 0.35), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(47, 174, 107, 0.3), transparent 50%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  color: var(--teal);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.eyebrow--dark { color: var(--teal); }

.hero h1 {
  color: var(--white);
  font-size: clamp(32px, 5vw, 52px);
  margin-bottom: 20px;
}

.hero__sub {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  max-width: 600px;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.btn--primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(23, 163, 137, 0.3);
}

.btn--light {
  background: var(--white);
  color: var(--navy);
}

/* Services */
.services {
  padding: 100px 0;
  background: var(--bg-light);
}

.services h2 {
  font-size: clamp(26px, 4vw, 36px);
  margin: 6px 0 18px;
}

.section__intro {
  max-width: 640px;
  color: var(--text-light);
  font-size: 17px;
  margin-bottom: 48px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid #e7e9ed;
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: 0 12px 30px rgba(19, 40, 76, 0.08);
  transform: translateY(-4px);
}

.card__icon {
  width: 48px;
  height: 48px;
  color: var(--teal);
  margin-bottom: 20px;
}

.card__icon svg { width: 100%; height: 100%; }

.card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-light);
  font-size: 15px;
}

/* Band - who we work with */
.band {
  padding: 90px 0;
  background: var(--navy);
}

.band__inner h2 {
  color: var(--white);
  font-size: clamp(26px, 4vw, 36px);
  margin-bottom: 12px;
}

.band__inner > p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  margin-bottom: 44px;
}

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

.band__item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px;
}

.band__item h3 {
  color: var(--white);
  font-size: 18px;
  margin-bottom: 10px;
}

.band__item p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
}

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

.about__text {
  max-width: 720px;
}

.about h2 {
  font-size: clamp(26px, 4vw, 36px);
  margin: 6px 0 24px;
}

.about p {
  color: var(--text-light);
  font-size: 17px;
  margin-bottom: 16px;
}

.experience__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 32px 0 14px;
}

.about {
  overflow: hidden;
}

.logo-marquee {
  width: 100%;
  margin-top: 28px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.logo-marquee__track {
  display: flex;
  align-items: center;
  gap: 64px;
  width: max-content;
  padding: 0 24px;
  animation: logo-marquee 24s linear infinite;
}

.logo-marquee:hover .logo-marquee__track {
  animation-play-state: paused;
}

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

.logo-strip__item {
  height: 56px;
  width: auto;
  max-width: 200px;
  flex-shrink: 0;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter 0.2s ease, opacity 0.2s ease;
}

.logo-strip__item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* Testimonials */
.testimonials {
  padding: 100px 0 100px;
  background: var(--white);
  overflow: hidden;
}

.testimonials__head {
  margin-bottom: 44px;
}

.testimonials__head h2 {
  font-size: clamp(26px, 4vw, 36px);
  margin: 6px 0 0;
}

.marquee {
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
}

.marquee__track {
  display: flex;
  gap: 24px;
  width: max-content;
  padding: 0 24px;
  animation: marquee 50s linear infinite;
}

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

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

.testimonial-card {
  flex: 0 0 320px;
  background: var(--bg-light);
  border: 1px solid #e7e9ed;
  border-radius: var(--radius);
  padding: 28px;
}

.stars {
  color: #f5a623;
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.testimonial-card p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 20px;
}

.testimonial-card__name {
  font-weight: 700;
  color: var(--navy);
  font-size: 15px;
}

.testimonial-card__role {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}

@media (max-width: 640px) {
  .testimonial-card { flex: 0 0 260px; }
}

/* Contact form */
.contact-form-section {
  padding: 100px 0;
  background: var(--bg-light);
}

.contact-form-section h2 {
  font-size: clamp(26px, 4vw, 36px);
  margin: 6px 0 18px;
}

.contact-form {
  max-width: 640px;
  margin-top: 24px;
}

.hidden-field {
  position: absolute;
  left: -9999px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-group input {
  padding: 12px 14px;
  border: 1px solid #d9dce2;
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
}

.form-group input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(23, 163, 137, 0.15);
}

.contact-form .btn {
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.form__success {
  max-width: 640px;
  margin-top: 18px;
  font-size: 17px;
  color: var(--green);
  font-weight: 600;
}

.form__error {
  max-width: 640px;
  margin-top: 18px;
  color: #c0392b;
  font-weight: 600;
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Playbooks / Approach */
.playbooks {
  padding: 100px 0;
  background: var(--bg-light);
}

.playbooks h2 {
  font-size: clamp(26px, 4vw, 36px);
  margin: 6px 0 18px;
}

.playbook-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.playbook-card {
  background: var(--white);
  border: 1px solid #e7e9ed;
  border-radius: var(--radius);
  padding: 32px;
}

.playbook-card h3 {
  font-size: 18px;
  margin-bottom: 18px;
}

.playbook-card__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 6px;
}

.playbook-card p:not(.playbook-card__label) {
  color: var(--text-light);
  font-size: 15px;
  margin-bottom: 18px;
}

.playbook-card p:last-child {
  margin-bottom: 0;
}

@media (max-width: 800px) {
  .playbook-grid { grid-template-columns: 1fr; }
}

/* Footer */
.footer {
  background: var(--navy-dark);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.logo--footer .logo__main,
.logo--footer .logo__sub {
  color: var(--white);
}

.footer__email {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.footer__email:hover { color: var(--teal); }

.footer__copy {
  color: rgba(255, 255, 255, 0.4);
  font-size: 14px;
  width: 100%;
}

/* Responsive */
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .band__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav__links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid #eceef1;
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__toggle { display: flex; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 90px 0 70px; }
}