/* =========================================================
   01. Variables
   ========================================================= */
:root {
  /* Color */
  --color-white: #FFFFFF;
  --color-jack-blue: #0115FD;
  --color-nino-orange: #E83B09;
  --color-nino-blue: #C5CCFF;
  --color-black: #000000;
  --color-neutral-grey: #3D3D3D;
  --color-grey-100: #F5F6FB;
  --color-grey-300: #D8DBEA;

  /* Typography */
  --font-sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --fs-body: 1.0625rem;
  --fs-small: 1rem;
  --fs-micro: 0.875rem;
  --fs-h1: clamp(2.25rem, 4vw + 1rem, 3.75rem);
  --fs-h2: clamp(1.75rem, 2.5vw + 1rem, 2.5rem);
  --fs-h3: clamp(1.25rem, 1.5vw + 0.75rem, 1.625rem);
  --fs-lead: clamp(1.125rem, 1vw + 1rem, 1.375rem);
  --lh-body: 1.6;
  --lh-heading: 1.2;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-max-wide: 1280px;
  --header-height: 76px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 10px;

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-soft: 400ms ease;
  --marquee-duration: 42s;

  /* Touch */
  --tap-target-min: 44px;
}

/* =========================================================
   02. Reset / Base
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-white);
  color: var(--color-black);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

ul,
ol {
  padding: 0;
  margin: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

button {
  font: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--wide {
  max-width: var(--container-max-wide);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -100px;
  background: var(--color-jack-blue);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

:focus-visible {
  outline: 3px solid var(--color-jack-blue);
  outline-offset: 3px;
}

/* =========================================================
   03. Typography
   ========================================================= */
h1,
h2,
h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: var(--lh-heading);
  color: var(--color-black);
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-jack-blue);
  margin-bottom: var(--space-sm);
}

.lead {
  font-size: var(--fs-lead);
  color: var(--color-neutral-grey);
}

.editorial {
  font-family: var(--font-serif);
  font-style: italic;
}

blockquote {
  font-family: var(--font-serif);
  margin: 0;
}

/* =========================================================
   04. Layout
   ========================================================= */
.section {
  padding-block: var(--space-2xl);
}

.section--tight {
  padding-block: var(--space-xl);
}

.section--blue {
  background: var(--color-jack-blue);
  color: var(--color-white);
}

.section--blue h2,
.section--blue h3 {
  color: var(--color-white);
}

.section--surface {
  background: var(--color-grey-100);
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-xl);
  position: relative;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

/* =========================================================
   05. Components — buttons, gestures
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: var(--tap-target-min);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--fs-small);
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-jack-blue);
  color: var(--color-white);
}

.btn-primary:hover {
  background: #000ecb;
}

.btn-secondary {
  background: transparent;
  color: var(--color-jack-blue);
  border-color: var(--color-jack-blue);
}

.btn-secondary:hover {
  background: var(--color-nino-blue);
}

.section--blue .btn-secondary {
  color: var(--color-white);
  border-color: var(--color-white);
}

.section--blue .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-on-blue {
  background: var(--color-white);
  color: var(--color-jack-blue);
}

.btn-on-blue:hover {
  background: var(--color-nino-blue);
}

.gesture {
  color: var(--color-jack-blue);
  pointer-events: none;
  position: absolute;
}

.gesture--circle {
  width: 7rem;
  height: auto;
  top: -1.75rem;
  right: -0.5rem;
  opacity: 0.9;
}

.gesture--underline {
  position: static;
  width: 8rem;
  height: auto;
  display: block;
  margin-top: 0.25rem;
}

.gesture--arrow {
  width: 3.5rem;
  height: auto;
}

.gesture--scribble {
  width: 5rem;
  height: auto;
  color: var(--color-nino-orange);
  opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* =========================================================
   06. Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-grey-300);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-md);
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo-link img {
  height: 32px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--fs-small);
  font-weight: 500;
}

.nav-list a {
  text-decoration: none;
  padding: 0.5rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.nav-list a:hover {
  border-color: var(--color-jack-blue);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: var(--tap-target-min);
  height: var(--tap-target-min);
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-black);
  position: relative;
  transition: transform var(--transition-fast);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

.header-cta {
  display: inline-flex;
}

/* =========================================================
   07. Home Sections
   ========================================================= */

/* Hero */
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-2xl);
  align-items: center;
  padding-block: var(--space-2xl);
}

.hero-content h1 {
  margin-bottom: var(--space-md);
}

.hero-content .lead {
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-sm);
}

.hero-microcopy {
  color: var(--color-neutral-grey);
  font-size: var(--fs-small);
}

.portrait-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-nino-blue);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portrait-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  text-align: center;
  padding: var(--space-lg);
  background: linear-gradient(160deg, var(--color-nino-blue), var(--color-white));
  color: var(--color-neutral-grey);
}

.portrait-placeholder-mark {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-jack-blue);
}

.portrait-placeholder-label {
  font-size: var(--fs-micro);
}

/* Problem */
.symptom-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm) var(--space-lg);
  margin-block: var(--space-lg);
}

.symptom-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-grey-100);
  border-radius: var(--radius-md);
}

.symptom-item::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 0.5em;
  border-radius: 50%;
  background: var(--color-nino-orange);
}

.section-closing {
  font-family: var(--font-serif);
  font-size: var(--fs-lead);
  max-width: 640px;
  margin-top: var(--space-lg);
}

/* Diagnosis teaser */
.diagnosis-teaser {
  border-top: 1px solid var(--color-grey-300);
  border-bottom: 1px solid var(--color-grey-300);
}

.diagnosis-teaser .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-2xl);
  align-items: start;
}

.benefit-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-block: var(--space-lg);
}

.benefit-list li {
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-jack-blue);
}

.teaser-panel {
  background: var(--color-white);
  border: 1px solid var(--color-grey-300);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.teaser-panel p {
  margin-bottom: var(--space-md);
}

/* Method */
.method-intro {
  max-width: 640px;
  margin-bottom: var(--space-xl);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.method-stage {
  background: var(--color-white);
  border: 1px solid var(--color-grey-300);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.method-stage-number {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-jack-blue);
  font-size: var(--fs-lead);
  display: block;
  margin-bottom: var(--space-xs);
}

.method-stage h3 {
  margin-bottom: var(--space-sm);
}

.method-stage-highlight {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-neutral-grey);
  margin-bottom: var(--space-sm);
  display: block;
}

.method-stage p {
  margin-bottom: var(--space-md);
}

.method-stage ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: var(--fs-small);
  color: var(--color-neutral-grey);
}

.method-stage ul li::before {
  content: "— ";
  color: var(--color-jack-blue);
}

/* Deliverable */
.deliverable-includes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm) var(--space-lg);
  margin-block: var(--space-lg);
}

.deliverable-includes li {
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-white);
}

/* Fit */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.fit-card {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

.fit-card--yes {
  background: var(--color-grey-100);
  border-top: 4px solid var(--color-jack-blue);
}

.fit-card--no {
  background: var(--color-grey-100);
  border-top: 4px solid var(--color-nino-orange);
}

.fit-card h3 {
  margin-bottom: var(--space-md);
}

.fit-card ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Process */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  counter-reset: process;
  margin-bottom: var(--space-lg);
}

.process-step {
  position: relative;
  padding-top: var(--space-lg);
}

.process-step::before {
  counter-increment: process;
  content: counter(process, decimal-leading-zero);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.75rem;
  color: var(--color-jack-blue);
  display: block;
  margin-bottom: var(--space-sm);
}

.process-step h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-xs);
}

.process-step .btn {
  margin-top: var(--space-sm);
}

.process-closing {
  font-family: var(--font-serif);
  font-size: var(--fs-lead);
  border-top: 1px solid var(--color-grey-300);
  padding-top: var(--space-lg);
}

/* About */
.about-section .container {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-copy p {
  margin-bottom: var(--space-md);
}

.about-portrait .portrait-frame {
  aspect-ratio: 3 / 4;
}

/* Experience */
.experience-section .section-head {
  max-width: 760px;
}

.logo-marquee {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, black 5%, black 95%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  width: max-content;
  animation: marquee var(--marquee-duration) linear infinite;
}

.logo-marquee:hover .marquee-track,
.logo-marquee:focus-within .marquee-track {
  animation-play-state: paused;
}

.marquee-item {
  height: 42px;
  width: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.marquee-item img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(1) contrast(0.9) brightness(0.85);
  opacity: 0.75;
}

.marquee-item img.invert-logo {
  filter: grayscale(1) invert(1) contrast(0.85) brightness(0.65);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.logo-grid-static {
  display: none;
  flex-wrap: wrap;
  gap: var(--space-lg);
  align-items: center;
  justify-content: center;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--color-grey-100);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.testimonial-card blockquote {
  font-size: var(--fs-lead);
  line-height: 1.5;
}

.testimonial-author {
  font-family: var(--font-sans);
  font-weight: 700;
  font-style: normal;
}

.testimonial-role {
  display: block;
  font-weight: 400;
  color: var(--color-neutral-grey);
  font-size: var(--fs-small);
}

/* Final CTA */
.final-cta-section {
  text-align: center;
}

.final-cta-section .container {
  max-width: 760px;
}

.final-cta-section p {
  margin-block: var(--space-md) var(--space-lg);
}

.final-cta-section .btn {
  margin-bottom: var(--space-sm);
}

/* Contact */
.contact-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-email {
  font-size: var(--fs-lead);
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  margin-block: var(--space-md);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.contact-links a {
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid var(--color-jack-blue);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 820px;
}

.faq-item {
  border: 1px solid var(--color-grey-300);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--fs-lead);
  padding: var(--space-sm) 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.5rem;
  color: var(--color-jack-blue);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding-bottom: var(--space-sm);
  color: var(--color-neutral-grey);
}

/* =========================================================
   08. Diagnosis Page
   ========================================================= */
.diagnosis-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.back-link {
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--color-jack-blue);
}

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

.diagnosis-hero .container {
  max-width: 760px;
}

.diagnosis-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-block: var(--space-lg);
}

.diagnosis-meta-item {
  background: var(--color-grey-100);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-small);
  font-weight: 600;
}

.diagnosis-intro {
  background: var(--color-grey-100);
}

.diagnosis-intro .container {
  max-width: 720px;
}

.diagnosis-intro p {
  margin-bottom: var(--space-sm);
}

.diagnosis-form-section .container {
  max-width: 820px;
}

.tally-embed-wrapper {
  margin-block: var(--space-lg);
  min-height: 400px;
}

.tally-embed-wrapper iframe {
  width: 100%;
  border: none;
}

.form-fallback {
  text-align: center;
  color: var(--color-neutral-grey);
  font-size: var(--fs-small);
}

.form-fallback a {
  font-weight: 600;
  color: var(--color-jack-blue);
}

.diagnosis-closing .container {
  max-width: 680px;
}

.diagnosis-closing p {
  margin-bottom: var(--space-sm);
}

/* =========================================================
   09. Footer
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--color-grey-300);
  padding-block: var(--space-lg);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.footer-brand {
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--fs-small);
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-legal {
  width: 100%;
  color: var(--color-neutral-grey);
  font-size: var(--fs-micro);
  margin-top: var(--space-sm);
}

.diagnosis-footer .container {
  flex-direction: column;
  text-align: center;
}

/* =========================================================
   10. Motion
   ========================================================= */
/* [data-reveal] elements are fully visible by default so the page reads
   correctly without JavaScript. script.js opts the page into the animated
   state by adding "js-reveal" to <html> once it runs. */
html.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-soft), transform var(--transition-soft);
}

html.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html.js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =========================================================
   11. Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .hero .container,
  .diagnosis-teaser .container,
  .about-section .container {
    grid-template-columns: 1fr;
  }

  .about-portrait {
    max-width: 360px;
  }

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

  .method-grid,
  .fit-grid,
  .deliverable-includes,
  .symptom-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    z-index: 150;
    background: var(--color-white);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: var(--fs-lead);
  }

  .header-cta {
    width: 100%;
  }

  .header-cta .btn {
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .process-list,
  .method-grid,
  .fit-grid,
  .deliverable-includes,
  .symptom-list,
  .contact-section .container {
    grid-template-columns: 1fr;
  }

  .gesture--circle,
  .gesture--scribble {
    display: none;
  }
}

@media (max-width: 480px) {
  .section {
    padding-block: var(--space-xl);
  }

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