/* Pro Tech Consulting — glossy IT / financial consulting style */

:root, [data-theme='dark'] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 6vw, 6.5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  /* Colors — Obsidian + Cyan-teal accent */
  --color-bg: #08090c;
  --color-surface: #0d1015;
  --color-surface-2: #131720;
  --color-surface-offset: #171c26;
  --color-surface-offset-2: #1e242f;
  --color-divider: #1c2028;
  --color-border: #262c38;
  --color-border-strong: #3a4252;

  --color-text: #e6ecf3;
  --color-text-muted: #9aa5b4;
  --color-text-faint: #5e6875;
  --color-text-inverse: #08090c;

  --color-primary: #22d3ee;         /* cyan */
  --color-primary-hover: #67e8f9;
  --color-primary-active: #06b6d4;
  --color-primary-deep: #0891b2;
  --color-primary-highlight: rgba(34, 211, 238, 0.12);

  --color-accent-2: #7c8cff;        /* subtle indigo — used sparingly */

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows tuned for dark, glossy surfaces */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 24px 60px rgba(0,0,0,0.55);
  --glow: 0 0 40px color-mix(in oklab, var(--color-primary) 25%, transparent);

  /* Widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ============ Layout primitives ============ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}

section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary-highlight);
  border: 1px solid color-mix(in oklab, var(--color-primary) 30%, transparent);
  border-radius: var(--radius-full);
  white-space: nowrap;
  max-width: 100%;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: var(--space-4);
  color: var(--color-text);
}
.section-title .accent { color: var(--color-primary); }

.section-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-5);
  max-width: 60ch;
}

/* ============ Header ============ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.header.is-scrolled {
  border-bottom-color: var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}
.logo svg { color: var(--color-primary); }
.logo-name { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name b { font-weight: 600; letter-spacing: 0.01em; }
.logo-name span { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-text-muted); }

.nav {
  display: none;
  gap: var(--space-6);
  align-items: center;
}
@media (min-width: 720px) { .nav { display: flex; } }
.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}
.nav a:hover { color: var(--color-text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(180deg, var(--color-primary-hover), var(--color-primary));
  color: var(--color-text-inverse);
  box-shadow: 0 6px 20px color-mix(in oklab, var(--color-primary) 35%, transparent),
              inset 0 1px 0 rgba(255,255,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px color-mix(in oklab, var(--color-primary) 45%, transparent),
              inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-ghost {
  color: var(--color-text);
  border-color: var(--color-border-strong);
  background: color-mix(in oklab, var(--color-surface) 60%, transparent);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn svg { width: 16px; height: 16px; }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: clamp(var(--space-24), 18vw, 10rem);
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url('./assets/hero-bg.png');
  background-size: cover;
  background-position: right center;
  opacity: 0.9;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 90% at 15% 50%, var(--color-bg) 0%, transparent 60%),
    linear-gradient(180deg, transparent 0%, var(--color-bg) 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(34,211,238,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34,211,238,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 75%);
}

.hero-content {
  max-width: 720px;
  position: relative;
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-top: var(--space-6);
  color: var(--color-text);
}
.hero-title .accent {
  background: linear-gradient(120deg, var(--color-primary-hover), var(--color-primary) 40%, var(--color-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-tagline {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-top: var(--space-6);
  letter-spacing: 0.02em;
}
.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-6);
  max-width: 56ch;
}
.hero-cta {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  max-width: 720px;
}
.hero-meta-item .num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.hero-meta-item .num .accent { color: var(--color-primary); }
.hero-meta-item .label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

/* ============ Services ============ */
.services {
  border-top: 1px solid var(--color-divider);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}
.services-head { max-width: 720px; }
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-16);
}
@media (min-width: 820px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
.service-card {
  position: relative;
  padding: clamp(var(--space-8), 4vw, var(--space-10));
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--color-surface-offset) 90%, transparent) 0%,
      color-mix(in oklab, var(--color-surface) 90%, transparent) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  isolation: isolate;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), color-mix(in oklab, var(--color-primary) 15%, transparent), transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-interactive);
  pointer-events: none;
  z-index: -1;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover { border-color: color-mix(in oklab, var(--color-primary) 50%, var(--color-border)); }

.service-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, color-mix(in oklab, var(--color-primary) 25%, transparent), transparent);
  border: 1px solid color-mix(in oklab, var(--color-primary) 30%, transparent);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.service-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.service-desc {
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  font-size: var(--text-base);
}
.service-list {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: grid;
  gap: var(--space-3);
}
.service-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  list-style: none;
}
.service-list li::before {
  content: '';
  width: 6px; height: 6px;
  margin-top: 8px;
  border-radius: 1px;
  background: var(--color-primary);
  box-shadow: 0 0 6px var(--color-primary);
  flex-shrink: 0;
}

/* ============ Proof / Why ============ */
.proof { background: var(--color-surface); border-top: 1px solid var(--color-divider); }
.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-16);
}
@media (min-width: 720px) { .proof-grid { grid-template-columns: repeat(3, 1fr); } }
.proof-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-surface-2) 80%, transparent);
}
.proof-card .num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.proof-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-top: var(--space-4);
  color: var(--color-text);
}
.proof-card p {
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.65;
}

/* ============ Contact ============ */
.contact {
  border-top: 1px solid var(--color-divider);
  background:
    radial-gradient(ellipse 40% 60% at 100% 0%, color-mix(in oklab, var(--color-primary) 12%, transparent), transparent 60%),
    var(--color-bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  margin-top: var(--space-16);
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1.15fr; }
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.contact-info p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.contact-details {
  margin-top: var(--space-10);
  display: grid;
  gap: var(--space-6);
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-surface) 70%, transparent);
  text-decoration: none;
  color: var(--color-text);
}
.contact-detail:hover { border-color: var(--color-primary); }
.contact-detail .icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-primary) 15%, transparent);
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-detail > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}
.contact-detail .label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
  display: block;
}
.contact-detail .val {
  font-size: var(--text-base);
  color: var(--color-text);
  word-break: break-word;
  display: block;
}

/* Form */
.form {
  padding: clamp(var(--space-8), 4vw, var(--space-10));
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--color-surface-offset) 92%, transparent) 0%,
      color-mix(in oklab, var(--color-surface) 92%, transparent) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.form::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0.6;
}
.form-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}
.form-sub {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  margin-bottom: var(--space-8);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 620px) {
  .form-row.two { grid-template-columns: 1fr 1fr; }
}
.field { display: block; margin-bottom: var(--space-4); }
.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.field-label .req { color: var(--color-primary); }

.input,
.textarea,
.select {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  background: color-mix(in oklab, var(--color-bg) 70%, transparent);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-body);
}
.textarea { min-height: 130px; resize: vertical; }
.select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1l5 5 5-5' stroke='%2322d3ee' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}
.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 20%, transparent);
}
.input::placeholder, .textarea::placeholder { color: var(--color-text-faint); }

.form-actions {
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.form-actions .note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}

.form-status {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: none;
}
.form-status.ok {
  display: block;
  background: color-mix(in oklab, var(--color-primary) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-primary) 40%, transparent);
  color: var(--color-primary-hover);
}
.form-status.err {
  display: block;
  background: rgba(220, 80, 100, 0.1);
  border: 1px solid rgba(220, 80, 100, 0.35);
  color: #f38ba8;
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
  padding-block: var(--space-10);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: space-between;
  align-items: center;
}
.footer p {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}
.footer .tag { color: var(--color-text-muted); }

/* ============ Responsive header polish ============ */
@media (max-width: 560px) {
  .logo-name span { display: none; }
  .logo-name b { font-size: var(--text-sm); }
  .header-inner { gap: var(--space-3); }
  .header .btn-primary {
    padding: var(--space-2) var(--space-4);
    font-size: 13px;
  }
  .header .btn-primary .btn-label-full { display: none; }
  .header .btn-primary .btn-label-short { display: inline !important; }
  .eyebrow {
    font-size: 10px;
    letter-spacing: 0.1em;
    padding: 6px 10px;
    white-space: normal;
    text-align: left;
  }
  .hero { padding-top: clamp(6rem, 22vw, 8rem); }
  .hero-tagline { font-size: 12px; }
}

/* ============ Scroll reveal ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}