/* =========================================================
   CSS Custom Properties
   ========================================================= */
:root {
  /* Colors */
  --color-navy:         #1B2A3B;
  --color-orange:       #EC4115;
  --color-orange-label: #E8450A;
  --color-teal:         #002C3D;
  --color-bg:           #EEEEEE;
  --color-white:        #FFFFFF;
  --color-divider:      #c8c8c8;
  --color-divider-dark: #b0b0b0;

  /* Typography */
  --font-base:    'Segoe UI', system-ui, -apple-system, sans-serif;
  --fw-semilight: 300;
  --fw-regular:   400;
  --fw-semibold:  600;
  --fw-bold:      700;

  /* Spacing */
  --nav-height: 64px;
  --page-padding: 50px;

  /* Logo sizes — updated per breakpoint */
  --logo-large: 350px;
  --logo-small: 183px;
}

/* =========================================================
   Page Transitions
   ========================================================= */
@view-transition {
  navigation: auto;
}

/* =========================================================
   CSS Reset
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font: inherit;
}

/* =========================================================
   Base Typography
   ========================================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: 1.2;
  color: var(--color-navy);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  font-weight: var(--fw-regular);
}

strong { font-weight: var(--fw-semibold); }

small {
  font-size: 0.875rem;
  font-weight: var(--fw-semilight);
}

/* =========================================================
   Navbar
   ========================================================= */
.navbar {
  position: relative;
  background-color: var(--color-bg);
  padding: 28px 0 20px;
}

.navbar__inner {
  width: 100%;
  padding: 0 56px 0 var(--page-padding);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

/* SVG logo */
.navbar__logo-img {
  display: block;
  width: var(--logo-large);
  height: auto;
}

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

.navbar__links a {
  font-size: 1.1rem;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.navbar__links a:hover {
  opacity: 0.7;
}

.navbar__links a.active {
  text-decoration: underline;
  text-decoration-color: var(--color-orange);
  text-underline-offset: 4px;
}

/* "• Lets Talk" pill CTA */
.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 14px 32px;
  margin-left: 48px;
  background-color: var(--color-teal);
  color: var(--color-white) !important;
  border-radius: 999px;
  font-size: 1.125rem;
  font-weight: var(--fw-regular);
  text-decoration: none !important;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}

.navbar__cta:hover {
  opacity: 0.85;
}

/* Hamburger button */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
}

.navbar__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Hamburger open state */
.navbar__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.navbar__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav drawer */
.navbar__mobile {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: #EEEEEE;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  padding: 8px 0 16px;
  z-index: 99;
  /* Hidden state */
  visibility: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0.3s;
}

.navbar__mobile.is-open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0s;
}

.navbar__mobile a {
  padding: 12px 36px;
  font-size: 1rem;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  text-align: center;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.15s ease;
}

.navbar__mobile.is-open a { opacity: 1; transform: translateY(0); }
.navbar__mobile.is-open a:nth-child(1) { transition-delay: 0.10s; }
.navbar__mobile.is-open a:nth-child(2) { transition-delay: 0.15s; }
.navbar__mobile.is-open a:nth-child(3) { transition-delay: 0.20s; }

.navbar__mobile a:hover {
  background-color: rgba(0, 0, 0, 0.04);
}

.navbar__mobile a.active {
  text-decoration: underline;
  text-decoration-color: var(--color-orange-label);
  text-underline-offset: 4px;
}

.navbar__mobile .navbar__cta {
  margin: 8px 36px 0;
  justify-content: center;
}

/* Backdrop overlay */
.navbar__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  z-index: 97;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease, backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease, visibility 0s linear 0.3s;
}

.navbar__overlay.is-open {
  visibility: visible;
  opacity: 1;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: opacity 0.3s ease, backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease, visibility 0s linear 0s;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  padding: 100px 0 0 var(--page-padding);
}

.hero__headline {
  font-size: 75px;
  font-weight: var(--fw-semibold);
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

.x-accent {
  color: var(--color-orange);
}

.hero__sub {
  margin-top: 32px;
  font-size: 24px;
  font-weight: var(--fw-semilight);
  color: var(--color-teal);
  line-height: 1.6;
  max-width: 75ch;
}

/* =========================================================
   Page Hero (shared: solutions + contact)
   ========================================================= */
.page-hero {
  padding: 80px 0 0 var(--page-padding);
}

.page-hero__label {
  font-size: 21px;
  font-weight: var(--fw-regular);
  color: var(--color-orange-label);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  max-width: none;
  margin-bottom: 12px;
}

.page-hero__headline {
  font-size: 73px;
  font-weight: var(--fw-semibold);
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

/* =========================================================
   Services List
   ========================================================= */
.services {
  padding: 40px 56px 80px var(--page-padding);
}

.services-divider {
  width: 100%;
  height: 2px;
  background-color: var(--color-divider);
}

.service-row {
  display: grid;
  grid-template-columns: 75px 1fr 1.1fr;
  align-items: center;
  column-gap: 50px;
  padding: 18px 0;
}

.service-icon {
  width: 65px;
  height: 65px;
  object-fit: contain;
  overflow: hidden;
}

.service-icon--lg {
  width: 75px;
  height: 75px;
}

.service-name {
  font-size: 30px;
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  padding: 0;
}

.service-name--orange { color: var(--color-orange-label); }
.service-name--navy   { color: var(--color-navy); }

.service-desc {
  font-size: 21px;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  line-height: 1.5;
}

/* =========================================================
   Contact Form
   ========================================================= */
.contact-form-section {
  padding: 0 56px 80px var(--page-padding);
  margin-top: 40px;
}

.form-divider {
  width: 100%;
  height: 2px;
  background-color: var(--color-divider);
}

.form-divider--thick {
  height: 2px;
  background-color: var(--color-divider-dark);
}

.form-row {
  display: flex;
  align-items: center;
  padding: 22px 0;
  gap: 40px;
}

.form-row--tall {
  align-items: flex-start;
  padding: 22px 0;
}

.form-row__label {
  width: 25%;
  flex-shrink: 0;
  font-size: 17px;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-field-wrap {
  flex: 1;
}

.form-field {
  font-family: var(--font-base);
  font-size: 22px;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  background: none;
  border: none;
  outline: none;
  box-shadow: none;
  padding: 0;
  width: 100%;
}

.form-field::placeholder {
  color: var(--color-navy);
  opacity: 1;
}

.form-field--textarea {
  resize: none;
  height: 120px;
  line-height: 1.5;
}

.form-error {
  display: none;
  margin-top: 4px;
  font-size: 13px;
  color: var(--color-orange);
}

/* File upload */
.form-file-input {
  display: none;
}

.form-file-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-base);
  font-size: 22px;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  cursor: pointer;
}

.form-file-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

/* Submit button */
.form-submit {
  display: block;
  width: 100%;
  margin-top: 40px;
  padding: 20px 0;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-base);
  font-size: 1.125rem;
  font-weight: var(--fw-regular);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.form-submit:hover {
  opacity: 0.85;
}

/* Success message */
.form-success {
  padding: 60px 0;
  font-size: 1.25rem;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
}

/* =========================================================
   Section Divider
   ========================================================= */
.section-divider {
  border: none;
  border-top: 2px solid var(--color-divider-dark);
  margin: 80px var(--page-padding);
}

/* =========================================================
   Who Are We
   ========================================================= */
.who {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 100px;
}

.who__label {
  font-size: 22px;
  font-weight: var(--fw-regular);
  color: var(--color-orange-label);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
  max-width: none;
}

.who__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin: 0 auto;
}

.who__img {
  display: block;
  flex-shrink: 0;
  height: 180px;
  width: auto;
}

.who__text {
  font-size: 40px;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  line-height: 1.3;
  max-width: 40ch;
}

/* =========================================================
   Methodology Section
   ========================================================= */
.methodology {
  background-color: var(--color-navy);
  padding: 80px 56px 100px var(--page-padding);
}

.methodology__headline {
  font-size: 80px;
  font-weight: var(--fw-semibold);
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--color-white);
  letter-spacing: -0.01em;
  margin-bottom: 56px;
}

.methodology__body p {
  font-size: 18px;
  font-weight: var(--fw-regular);
  color: var(--color-white);
  line-height: 1.7;
  max-width: none;
}

.methodology__body p + p {
  margin-top: 28px;
}

/* =========================================================
   Logo Animations
   ========================================================= */
@keyframes logo-shrink {
  from { width: 350px; }
  to   { width: 183px; }
}

@keyframes logo-grow {
  from { width: 183px; }
  to   { width: 350px; }
}

/* Compact pages default to small logo immediately — no JS flash */
body[data-page="solutions"] .navbar__logo-img,
body[data-page="contact"]   .navbar__logo-img {
  width: var(--logo-small);
}

/* Arriving from index → compact: start large so shrink animation plays correctly */
html.from-index body[data-page="solutions"] .navbar__logo-img,
html.from-index body[data-page="contact"]   .navbar__logo-img {
  width: var(--logo-large);
}

/* Index page arriving from compact — start small before grow animation */
html.from-compact .navbar__logo-img {
  width: var(--logo-small);
}

/* Shrink: index → solutions/contact */
.navbar__logo-img.logo-shrink {
  animation: logo-shrink 0.5s ease-out forwards;
}

/* Grow: solutions/contact → index */
.navbar__logo-img.logo-grow {
  animation: logo-grow 0.5s ease-out forwards;
}

/* =========================================================
   Responsive — Tablet (hamburger + tablet layout)
   ========================================================= */
@media (max-width: 768px) {
  :root {
    --logo-large: 110px;
    --logo-small: 110px;
    --page-padding: 32px;
  }

  .navbar__links {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__inner {
    padding: 0 var(--page-padding);
    align-items: center;
  }

  .navbar__logo-img {
    animation: none !important;
  }

  .hero {
    padding-top: 60px;
  }

  .hero__headline {
    font-size: clamp(42px, 6vw, 56px);
  }

  .who__row {
    padding: 0 48px;
  }

  .who__text {
    font-size: clamp(28px, 4vw, 36px);
  }

  /* Page hero (solutions + contact) */
  .page-hero {
    padding: 48px var(--page-padding) 0;
  }

  .page-hero__label {
    font-size: 16px;
  }

  .page-hero__headline {
    font-size: 48px;
  }

  /* Services list */
  .services {
    padding: 24px var(--page-padding) 60px;
  }

  .service-row {
    grid-template-columns: 55px 1fr 1.1fr;
    column-gap: 30px;
  }

  .service-icon {
    width: 50px;
    height: 50px;
  }

  .service-icon--lg {
    width: 50px;
    height: 50px;
  }

  .service-name {
    font-size: 22px;
  }

  .service-desc {
    font-size: 16px;
  }

  /* Methodology */
  .methodology {
    padding: 60px var(--page-padding) 80px;
  }

  .methodology__headline {
    font-size: 52px;
  }
}

/* =========================================================
   Responsive — Mobile (480px)
   ========================================================= */
@media (max-width: 480px) {
  :root {
    --logo-large: 70px;
    --logo-small: 70px;
    --page-padding: 20px;
  }

  .navbar__inner {
    padding: 0 var(--page-padding);
    align-items: center;
  }

  .hero {
    padding: 24px var(--page-padding) 0;
  }

  .hero__headline {
    font-size: clamp(28px, 7vw, 36px);
  }

  .hero__sub {
    font-size: clamp(16px, 4vw, 22px);
    max-width: 100%;
    margin-top: 20px;
  }

  .section-divider {
    margin: 48px var(--page-padding);
  }

  .who {
    padding-bottom: 60px;
  }

  .who__row {
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 100%;
    padding: 0 var(--page-padding);
  }

  .who__img {
    height: 130px;
  }

  .who__text {
    font-size: clamp(24px, 6vw, 38px);
    text-align: center;
    max-width: 100%;
  }

  /* Page hero (solutions + contact) */
  .page-hero {
    padding: 32px var(--page-padding) 0;
  }

  .page-hero__label {
    font-size: 14px;
  }

  .page-hero__headline {
    font-size: 36px;
  }

  /* Services list */
  .services {
    padding: 24px var(--page-padding) 40px;
  }

  .service-row {
    grid-template-columns: 40px 1fr;
    grid-template-rows: auto auto;
    column-gap: 12px;
    row-gap: 8px;
    padding: 16px 0;
  }

  .service-icon,
  .service-icon--lg {
    width: 40px;
    height: 40px;
  }

  .service-name {
    font-size: 18px;
    white-space: normal;
    align-self: center;
  }

  .service-desc {
    grid-column: 1 / -1;
    font-size: 14px;
    padding-left: 52px;
  }

  /* Contact form */
  .contact-form-section {
    padding: 0 var(--page-padding) 40px;
    margin-top: 24px;
  }

  .form-row,
  .form-row--tall {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 14px 0;
  }

  .form-row__label {
    width: 100%;
    font-size: 11px;
  }

  .form-field-wrap {
    width: 100%;
  }

  .form-field {
    font-size: 16px;
  }

  .form-file-label {
    font-size: 16px;
  }

  .form-submit {
    margin-top: 24px;
  }

  /* Methodology */
  .methodology {
    padding: 48px var(--page-padding) 60px;
  }

  .methodology__headline {
    font-size: 36px;
    margin-bottom: 32px;
  }

  .methodology__body p {
    font-size: 14px;
  }
}

/* =========================================================
   Responsive — Mid screens (769px–1100px)
   ========================================================= */
@media (min-width: 769px) and (max-width: 1100px) {
  .who__img {
    height: 150px;
  }

  .who__text {
    font-size: clamp(26px, 3vw, 34px);
    max-width: 36ch;
  }
}

/* =========================================================
   Responsive — Large screens (1440px)
   ========================================================= */
@media (min-width: 1440px) {
  :root {
    --page-padding: 80px;
  }

  .hero__sub {
    max-width: 60%;
  }

  .who__row {
    max-width: 70%;
  }
}

/* =========================================================
   Responsive — XL screens (1920px+)
   ========================================================= */
@media (min-width: 1920px) {
  :root {
    --logo-large: 500px;
    --logo-small: 260px;
    --page-padding: 160px;
  }

  @keyframes logo-shrink {
    from { width: 500px; }
    to   { width: 260px; }
  }

  @keyframes logo-grow {
    from { width: 260px; }
    to   { width: 500px; }
  }

  .navbar__inner {
    padding: 0 100px 0 var(--page-padding);
  }

  .navbar__links a {
    font-size: 1.5rem;
  }

  .navbar__cta {
    font-size: 1.25rem;
    padding: 18px 44px;
  }

  .hero,
  .page-hero {
    padding: 140px 0 0 var(--page-padding);
  }

  .hero__headline {
    font-size: 110px;
  }

  .hero__sub {
    font-size: 32px;
    margin-top: 48px;
  }

  .section-divider {
    margin: 120px 48px;
  }

  .who {
    padding-bottom: 140px;
  }

  .who__label {
    font-size: 28px;
  }

  .who__img {
    height: 340px;
  }

  .who__text {
    font-size: 60px;
  }

  /* Contact form */
  .contact-form-section {
    padding-top: 60px;
  }

  .form-row,
  .form-row--tall {
    padding: 36px 0;
  }

  .form-row__label {
    font-size: 18px;
  }

  .form-field {
    font-size: 26px;
  }

  .form-file-label {
    font-size: 26px;
  }

  .form-submit {
    font-size: 1.25rem;
    padding: 26px 0;
    margin-top: 60px;
  }

  /* Solutions — page hero */
  .page-hero__label {
    font-size: 24px;
  }

  .page-hero__headline {
    font-size: 110px;
  }

  /* Solutions — services list */
  .service-row {
    grid-template-columns: 95px 1fr 1.1fr;
    column-gap: 80px;
    padding: 28px 0;
  }

  .service-icon {
    width: 90px;
    height: 90px;
  }

  .service-icon--lg {
    width: 90px;
    height: 90px;
  }

  .service-name {
    font-size: 38px;
  }

  .service-desc {
    font-size: 22px;
  }

  /* Solutions — methodology */
  .methodology__headline {
    font-size: 110px;
    margin-bottom: 72px;
  }

  .methodology__body p {
    font-size: 18px;
  }
}