/* SILVR — brand tokens */
:root {
  --ink: #14171c;
  --ink-soft: #3a404a;
  --mute: #6b7380;
  --line: #d5dae2;
  --paper: #f3f5f8;
  --paper-deep: #e6eaf0;
  --silver: #9aa3b0;
  --silver-bright: #c8d0db;
  --accent: #2f5f6b;
  --accent-soft: #4a7d89;
  --white: #ffffff;
  --danger: #8b3a3a;

  --font-display: "Syne", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  --max: 68rem;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent);
}

button,
input,
textarea {
  font: inherit;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 2.5rem);
  color: var(--white);
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-solid {
  color: var(--ink);
  background: rgba(243, 245, 248, 0.92);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
}

.logo:hover {
  color: inherit;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: inherit;
}

.logo-mark svg {
  display: block;
  width: 1.15rem;
  height: 1.15rem;
}

.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.28em;
  line-height: 1;
  margin-right: -0.28em;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0.85;
  color: inherit;
}

.nav a:hover {
  opacity: 1;
  color: inherit;
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.04);
  animation: hero-drift 18s var(--ease) forwards;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12, 16, 22, 0.35) 0%, rgba(12, 16, 22, 0.15) 35%, rgba(12, 16, 22, 0.72) 100%),
    linear-gradient(90deg, rgba(12, 16, 22, 0.45) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 0 0 clamp(3.5rem, 10vh, 6rem);
}

.brand-lockup {
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.18em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.5rem, 14vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: 0.2em;
}

.brand-lockup .brand-word {
  text-indent: 0.02em;
}

.brand-lockup .logo-mark--hero svg {
  width: 0.55em;
  height: 0.55em;
}

.hero h1 {
  margin: 0 0 0.85rem;
  max-width: 22ch;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(1.65rem, 3.6vw, 2.75rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.hero-lede {
  margin: 0 0 1.75rem;
  max-width: 42rem;
  font-size: clamp(1rem, 1.45vw, 1.125rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.75rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

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

.btn-primary:hover {
  background: var(--silver-bright);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  border-color: var(--white);
  color: var(--white);
}

/* —— Sections —— */
.section {
  padding: var(--space-2xl) clamp(1.25rem, 4vw, 2.5rem);
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.section-label {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.section h2 {
  margin: 0 0 1rem;
  max-width: 18ch;
  /* Syne clips lowercase descenders (g/y); use body face for sentence-case heads */
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0 0 var(--space-lg);
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: 1.125rem;
}

/* Focus areas — not cards: editorial rows */
.focus {
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(74, 125, 137, 0.12), transparent 55%),
    linear-gradient(180deg, var(--white) 0%, var(--paper) 100%);
}

.focus-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.focus-item {
  display: grid;
  grid-template-columns: minmax(0, 10rem) 1fr;
  gap: 1.5rem 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.focus-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  overflow: visible;
}

.focus-item p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 52ch;
}

/* Approach */
.approach {
  background:
    linear-gradient(135deg, #1a222c 0%, #0f141a 48%, #243039 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.approach::before {
  content: "";
  position: absolute;
  inset: auto -10% -40% 40%;
  height: 70%;
  background: radial-gradient(closest-side, rgba(154, 163, 176, 0.18), transparent 70%);
  pointer-events: none;
}

.approach .section-label {
  color: var(--silver-bright);
}

.approach .section-intro {
  color: rgba(255, 255, 255, 0.78);
}

.principle {
  position: relative;
  margin: 0 0 var(--space-lg);
  padding: 1.25rem 0 1.25rem 1.25rem;
  border-left: 2px solid var(--silver);
  max-width: 40rem;
}

.principle p {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.015em;
  color: var(--white);
}

.approach-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .approach-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.approach-point {
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.approach-point strong {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 650;
}

.approach-point p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.98rem;
}

/* Contact */
.contact {
  background:
    linear-gradient(180deg, var(--paper-deep), var(--paper) 40%),
    var(--paper);
}

.contact-layout {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 860px) {
  .contact-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 4rem;
    align-items: start;
  }
}

.contact-aside p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  max-width: 34ch;
}

.contact-meta {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--mute);
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}

.field label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
}

.field label .optional {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--silver);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: 0 0 0 3px rgba(47, 95, 107, 0.15);
}

.field textarea {
  min-height: 8.5rem;
  resize: vertical;
}

.hp {
  position: absolute;
  left: -10000px;
  opacity: 0;
  pointer-events: none;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.25rem;
}

.contact-form .btn-primary {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.contact-form .btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.contact-form .btn-primary:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.form-status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--mute);
  min-height: 1.35em;
}

.form-status[data-state="ok"] {
  color: var(--accent);
}

.form-status[data-state="error"] {
  color: var(--danger);
}

/* Footer */
.site-footer {
  padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem) 2.25rem;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  font-size: 0.85rem;
  color: var(--mute);
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

/* Motion — opacity only. Transforms on text clip Syne descenders in Chromium. */
.reveal {
  opacity: 0;
  transition: opacity 0.8s var(--ease);
  overflow: visible;
}

.reveal.is-visible {
  opacity: 1;
}

.hero-content > * {
  opacity: 0;
  animation: rise 0.9s var(--ease) forwards;
}

.hero-content > *:nth-child(1) {
  animation-delay: 0.1s;
}

.hero-content > *:nth-child(2) {
  animation-delay: 0.28s;
}

.hero-content > *:nth-child(3) {
  animation-delay: 0.42s;
}

.hero-content > *:nth-child(4) {
  animation-delay: 0.56s;
}

@keyframes rise {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes hero-drift {
  to {
    transform: scale(1);
  }
}

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

  .reveal,
  .hero-content > *,
  .hero-media img {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 719px) {
  .focus-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .nav {
    gap: 1rem;
  }
}