@import url('./tokens.css');

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-body);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text-strong);
  margin: 0;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--fw-bold);
}

p { margin: 0; text-wrap: pretty; }

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.hls-eyebrow {
  font-family: var(--font-sans);
  font-weight: var(--fw-bold);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent);
}

.hls-mono {
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-tight);
}

.hls-rule {
  height: 2px;
  border: 0;
  background: linear-gradient(90deg, var(--brand), var(--accent) 60%, transparent);
  width: 64px;
  border-radius: var(--radius-pill);
}

/* ============================================================
   Layout helpers
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--space-24) 0;
}

#contact.section {
  padding-top: calc(var(--space-16) - 16px);
}

.section--tint {
  background: #E9EFFB;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  transition: background var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 76px;
}

.site-header__logo img {
  height: 56px;
  width: auto;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.site-header__nav a {
  color: var(--text-body);
  font-weight: var(--fw-semibold);
  font-size: var(--text-sm);
}

.site-header__nav a:hover { color: var(--brand); text-decoration: none; }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-toggle {
  display: none;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--control-h-md);
  padding: 0 var(--space-6);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: var(--fw-bold);
  font-size: var(--text-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; transform: translateY(-3px); }
.btn:active { transform: translateY(1px); }

.btn--lg { height: var(--control-h-lg); padding: 0 var(--space-8); font-size: var(--text-md); }

.btn--primary {
  background: var(--brand);
  color: var(--text-on-brand);
  box-shadow: var(--shadow-brand);
}
.btn--primary:hover { background: var(--blue-700); }

.btn--secondary {
  background: var(--white);
  color: var(--brand);
  border-color: var(--border-default);
}
.btn--secondary:hover { background: var(--surface-tint); border-color: var(--border-brand); }

.btn--on-dark {
  background: transparent;
  color: var(--text-on-brand);
  border-color: rgba(255,255,255,0.32);
}
.btn--on-dark:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.5); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--blue-950), var(--blue-800) 60%, var(--blue-700));
  color: var(--text-on-brand);
}

.hero__motif {
  position: absolute;
  top: 50%;
  right: -10%;
  transform: translateY(-50%);
  width: 720px;
  max-width: 90vw;
  opacity: 0.06;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  padding: var(--space-24) 0 var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 900px;
}

.hero__top {
  display: flex;
  align-items: flex-end;
  gap: var(--space-16);
}

.hero__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  flex: 1;
}

.hero__portrait {
  flex-shrink: 0;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,0.16);
  box-shadow: var(--shadow-xl);
}

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

@media (max-width: 860px) {
  .hero__top {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: var(--space-8);
  }
  .hero__portrait {
    width: 160px;
    height: 160px;
  }
}

.hero .hls-eyebrow { color: var(--cyan-400); font-size: var(--text-md); margin-left: 4px; }

.hero h1 {
  color: var(--white);
  font-size: 78px;
  letter-spacing: var(--tracking-tighter);
}

.hero__lede {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--blue-100);
  text-wrap: normal;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.hero__ctas .btn--primary {
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18), 0 8px 28px rgba(56, 189, 248, 0.35);
}

.hero__ctas .btn--primary:hover {
  box-shadow: 0 0 0 1px rgba(255,255,255,0.28), 0 10px 34px rgba(56, 189, 248, 0.5);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: var(--space-12);
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid rgba(255,255,255,0.14);
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--fw-extra);
  color: var(--white);
  letter-spacing: var(--tracking-tighter);
}

.hero__stat-label {
  margin-top: var(--space-1);
  font-size: var(--text-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--blue-300);
}

/* ============================================================
   Approach
   ============================================================ */
.section-head {
  max-width: 640px;
  margin: 0 auto var(--space-16);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.section-head h2 {
  font-size: var(--text-4xl);
}

.section-head p {
  color: var(--text-muted);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

.approach-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.approach-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.approach-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--surface-tint);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
}

.approach-card__icon i { width: 22px; height: 22px; }

.approach-card h3 {
  font-size: var(--text-lg);
}

.approach-card p {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: var(--surface-brand-deep);
  color: var(--text-on-brand);
  position: relative;
  overflow: hidden;
}

.cta-band__motif {
  position: absolute;
  top: 50%;
  left: -8%;
  transform: translateY(-50%);
  width: 480px;
  max-width: 70vw;
  opacity: 0.06;
  pointer-events: none;
}

.cta-band__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
  padding: var(--space-24) 0;
}

.cta-band h2 {
  color: var(--white);
  font-size: var(--text-3xl);
  max-width: 28ch;
}

.cta-band p {
  color: var(--blue-200);
  margin-top: var(--space-2);
}

/* ============================================================
   Contact / form
   ============================================================ */
.contact-section {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-12);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-section__copy h2 { font-size: var(--text-3xl); }

.contact-section__copy p {
  margin-top: var(--space-4);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.field label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-strong);
}

.field input,
.field textarea {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  padding: 0 var(--space-4);
  height: var(--control-h-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--white);
  color: var(--text-body);
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.field textarea {
  height: auto;
  padding: var(--space-3) var(--space-4);
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand-interactive);
  box-shadow: var(--focus-ring);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--surface-brand-deep);
  color: var(--blue-200);
  padding: var(--space-16) 0;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.site-footer__logo img { height: 34px; }

.site-footer__links {
  display: flex;
  gap: var(--space-8);
}

.site-footer__links a {
  color: var(--blue-200);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
}
.site-footer__links a:hover { color: var(--white); }

.site-footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: var(--text-xs);
  color: var(--blue-300);
}

.site-footer__disclaimer {
  display: block;
  margin-top: var(--space-2);
  font-size: 10px; /* one step below --text-2xs (11px) for fine print */
  color: var(--slate-400);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .hero h1 { font-size: var(--text-5xl); }
  .hero__stats { grid-template-columns: repeat(2, auto); }
  .contact-section { grid-template-columns: 1fr; }
  .site-header__nav { display: none; }
}



/* ============================================================
   Experience
   ============================================================ */

.experience-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-6);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
  background: var(--surface-tint);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-3);
  font-size: 15px; /* intentional mid-step between --text-sm (14px) and --text-base (16px) */
  color: var(--text-body);
  white-space: nowrap;
}

.tag strong {
  color: var(--text-strong);
  font-weight: var(--fw-semibold);
}

.highlight-group + .highlight-group {
  margin-top: var(--space-4);
}

.highlight-group h4 {
  font-family: var(--font-sans);
  font-size: 13px; /* intentional step up from --text-xs (12px) */
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-2);
}

.highlight-group ul {
  margin: 0;
  padding-left: var(--space-5);
  color: var(--text-muted);
  font-size: 15px; /* intentional mid-step between --text-sm (14px) and --text-base (16px) */
  line-height: var(--leading-relaxed);
}

.highlight-group li + li {
  margin-top: var(--space-1);
}

@media (max-width: 860px) {
  .experience-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Testimonials
   ============================================================ */
.experience-testimonials__heading {
  font-size: var(--text-2xl);
  text-align: center;
  margin-top: var(--space-16);
  margin-bottom: var(--space-8);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  margin: 0;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.testimonial-card__quote {
  margin: 0;
  flex: 1;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--fw-regular);
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-normal);
  color: var(--text-strong);
}

.testimonial-card__attr {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-muted);
}

@media (max-width: 860px) {
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}