/* ============================================================
   PITANGA PIXELS — style.css
   Sections:
   01. Design Tokens (CSS Custom Properties)
   02. Reset & Base
   03. Typography Utils
   04. Layout Utils
   05. Buttons
   06. Navigation
   07. Hero
   08. About
   09. Services
   10. Portfolio (Case Studies)
   11. Contact
   12. Footer
   13. Animations & Reveal
   14. Scrollbar
   15. Media Queries
============================================================ */

/* ============================================================
   01. DESIGN TOKENS
============================================================ */
:root {
  /* Colors */
  --color-bg:             #F8F6F1;
  --color-bg-surface:     #F0EDE6;
  --color-bg-elevated:    #E8E4DC;
  --color-accent:         #C82828;
  --color-accent-dim:     #A81E1E;
  --color-accent-glow:    rgba(200, 40, 40, 0.12);
  --color-text-primary:   #1C1916;
  --color-text-secondary: #6A6460;
  --color-border:         #DDD9D0;
  --color-accent-2:         #00B896;
  --color-accent-2-dim:     #009478;
  --color-accent-2-glow:    rgba(0, 184, 150, 0.15);

  /* Typography */
  --font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-display: 'VT323', monospace;
  --font-weight-light:    300;
  --font-weight-regular:  400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;

  /* Spacing */
  --space-xs:   0.5rem;
  --space-sm:   0.75rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 5vw, 3rem);

  /* Borders */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Nav */
  --nav-height: 72px;
}


/* ============================================================
   02. RESET & BASE
============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: var(--font-weight-regular);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

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

input,
textarea,
button {
  font-family: inherit;
  font-size: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}


/* ============================================================
   03. TYPOGRAPHY UTILS
============================================================ */
.eyebrow {
  color: var(--color-accent);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  display: block;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-semibold);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.section-subtext {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-top: calc(-0.5 * var(--space-md));
  margin-bottom: var(--space-2xl);
}

.body-text {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.body-text:last-of-type {
  margin-bottom: 0;
}


/* ============================================================
   04. LAYOUT UTILS
============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-header {
  margin-bottom: var(--space-3xl);
}

.section-header .section-heading {
  margin-bottom: var(--space-sm);
}


/* ============================================================
   05. BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-family);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
  border: 1.5px solid transparent;
  white-space: nowrap;
  border-radius: var(--radius-sm);
}

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

/* Sizes */
.btn--sm {
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}

.btn--lg {
  font-size: 1rem;
  padding: 0.875rem 1.75rem;
}

.btn--full {
  width: 100%;
}

/* Variants */
.btn--accent {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background-color: var(--color-accent-dim);
  border-color: var(--color-accent-dim);
  box-shadow: 0 0 24px var(--color-accent-glow);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-text-secondary);
  background-color: rgba(0, 0, 0, 0.04);
}


/* ============================================================
   06. NAVIGATION
============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background-color var(--transition-slow),
              border-color var(--transition-slow),
              backdrop-filter var(--transition-slow);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background-color: rgba(248, 246, 241, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-pitanga {
  height: 36px;
  width: auto;
  flex-shrink: 0;
}

.nav__logo-wordmark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-accent-2);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-text-primary);
}

.nav__link.is-active::after {
  width: 100%;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  cursor: pointer;
  z-index: 1010;
}

.nav__hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.mobile-menu:not([hidden]) {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu[hidden] {
  display: flex; /* override HTML hidden attr to allow transition */
  opacity: 0;
  pointer-events: none;
}

.mobile-menu__close {
  position: absolute;
  top: calc(var(--nav-height) / 2 - 16px);
  right: var(--container-pad);
  font-size: 2rem;
  color: var(--color-text-secondary);
  line-height: 1;
  transition: color var(--transition-fast);
}

.mobile-menu__close:hover {
  color: var(--color-text-primary);
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  text-align: center;
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.03em;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-accent);
}

.mobile-menu__cta {
  margin-top: var(--space-md);
}


/* ============================================================
   07. HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.hero__glow {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle at center, var(--color-accent-glow) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.hero__glow-2 {
  position: absolute;
  bottom: -15%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle at center, var(--color-accent-2-glow) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.hero__decoration {
  position: absolute;
  right: clamp(-60px, -2vw, 40px);
  top: 50%;
  transform: translateY(-50%);
  width: clamp(180px, 22vw, 360px);
  height: auto;
  opacity: 0.05;
  color: var(--color-accent);
  pointer-events: none;
  z-index: 0;
}

.hero__decoration svg {
  width: 100%;
  height: auto;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: var(--space-5xl);
}

.hero__content {
  max-width: 860px;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin-bottom: var(--space-xl);
  color: var(--color-text-primary);
}

.hero__subheadline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: var(--space-2xl);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-4xl);
}

/* Stats bar */
.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: var(--space-xl) var(--space-2xl);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  width: fit-content;
  max-width: 100%;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-inline: var(--space-2xl);
  text-align: center;
}

.hero__stat:first-child {
  padding-left: 0;
}

.hero__stat:last-child {
  padding-right: 0;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0;
  color: var(--color-text-primary);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero__stat-divider {
  width: 1px;
  height: 48px;
  background-color: var(--color-border);
  flex-shrink: 0;
}


/* ============================================================
   08. ABOUT
============================================================ */
.about {
  padding-block: var(--space-5xl);
  border-top: 1px solid var(--color-border);
}

.about__inner {
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: var(--space-4xl);
  align-items: start;
}

.about__text {
  max-width: 600px;
}

.about__text .section-heading {
  max-width: 480px;
}

.about__photo {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  border: 1px solid var(--color-border);
}

/* Credential Card */
.credential-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.credential-card__title {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.credential-card__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-xl);
}

.credential-card__item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.credential-card__item:last-child {
  border-bottom: none;
}

.credential-card__label {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.credential-card__value {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  text-align: right;
}

.credential-card__approach {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.credential-card__approach-label {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.credential-card__approach-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}


/* ============================================================
   09. SERVICES
============================================================ */
.services {
  padding-block: var(--space-5xl);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-surface);
}

/* Services Tracks Layout */
.services__tracks {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.services__track {
  display: flex;
  flex-direction: column;
}

.services__track-divider {
  width: 1px;
  background-color: var(--color-border);
  align-self: stretch;
}

.services__track-header {
  margin-bottom: var(--space-2xl);
}

.services__track-eyebrow {
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
  display: block;
}

.services__track--ops .services__track-eyebrow {
  color: var(--color-accent-2);
}

.services__track-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.services__track-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.services__track-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Service Card */
.service-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: border-color var(--transition-base),
              background-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08), 0 0 20px var(--color-accent-glow);
}

.service-card--featured {
  border: 1.5px solid var(--color-accent);
  background-color: rgba(232, 64, 64, 0.04);
  box-shadow: 0 0 40px var(--color-accent-glow);
}

.service-card--featured:hover {
  border-color: var(--color-accent);
  background-color: rgba(232, 64, 64, 0.07);
  box-shadow: 0 8px 60px var(--color-accent-glow);
  transform: translateY(-4px);
}

/* Featured badge */
.service-card__badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background-color: var(--color-accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
}

.service-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(232, 64, 64, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.service-card--featured .service-card__icon {
  background-color: rgba(232, 64, 64, 0.15);
}

.service-card__title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.service-card__description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-lg);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.service-card__list li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding-left: var(--space-lg);
  position: relative;
  line-height: 1.5;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  opacity: 0.6;
}

.service-card--featured .service-card__list li::before {
  opacity: 1;
}

/* Ops track card variant */
.service-card--ops .service-card__icon {
  background-color: rgba(0, 184, 150, 0.1);
  color: var(--color-accent-2);
}

.service-card--ops .service-card__list li::before {
  background-color: var(--color-accent-2);
  opacity: 1;
}

.service-card--ops:hover {
  border-color: var(--color-accent-2);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08), 0 0 20px var(--color-accent-2-glow);
}


/* ============================================================
   10. PORTFOLIO (CASE STUDIES)
============================================================ */
.portfolio {
  padding-block: var(--space-5xl);
  border-top: 1px solid var(--color-border);
}

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

/* Case Card */
.case-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding: var(--space-2xl);
  padding-top: calc(var(--space-2xl) + 4px);
  position: relative;
  transition: border-color var(--transition-base),
              transform var(--transition-base),
              box-shadow var(--transition-base);
}

.case-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08), 0 0 20px rgba(232, 64, 64, 0.12);
}

.case-card:nth-child(even) .case-card__accent-bar {
  background-color: var(--color-accent-2);
}

.case-card:nth-child(even):hover {
  border-color: var(--color-accent-2);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08), 0 0 20px var(--color-accent-2-glow);
}

.case-card__accent-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--color-accent);
}

.case-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.case-card__badges {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.case-card__codename {
  font-size: 1.375rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.case-card__summary {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.case-card__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.case-card__outcome {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  line-height: 1;
}

.badge--deal-type {
  background-color: rgba(232, 64, 64, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(232, 64, 64, 0.25);
}

.badge--exit {
  background-color: rgba(100, 180, 100, 0.1);
  color: #7fc87f;
  border: 1px solid rgba(100, 180, 100, 0.25);
}

.badge--year {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.badge--role {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  align-self: flex-start;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--founded {
  background-color: rgba(0, 100, 200, 0.08);
  color: #5588bb;
  border: 1px solid rgba(0, 100, 200, 0.2);
}

/* Metric Pills */
.metric-pill {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  line-height: 1;
  white-space: nowrap;
}


/* ============================================================
   11. CONTACT
============================================================ */
.contact {
  padding-block: var(--space-5xl);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-surface);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact__info .section-heading {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-lg);
}

.contact__info .body-text {
  margin-bottom: var(--space-2xl);
}

.contact__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact__linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact__linkedin:hover {
  color: var(--color-text-primary);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-label--optional {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-regular);
}

.form-input {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.65;
}

/* Form success/error states */
.form-success {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.form-success__icon {
  width: 56px;
  height: 56px;
  background-color: rgba(100, 180, 100, 0.12);
  border: 1px solid rgba(100, 180, 100, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7fc87f;
  margin: 0 auto var(--space-lg);
  font-size: 1.5rem;
}

.form-success__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.form-success__body {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.form-error-msg {
  font-size: 0.875rem;
  color: #f08080;
  margin-top: calc(-0.5 * var(--space-md));
}

.form-privacy-note {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: calc(-0.25 * var(--space-md));
}

.form-privacy-note a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.form-privacy-note a:hover {
  color: var(--color-text-primary);
}


/* ============================================================
   12. FOOTER
============================================================ */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl);
}

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

.footer__copy {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer__nav {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer__link {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}


/* ============================================================
   13. ANIMATIONS & REVEAL
============================================================ */

/* Reveal (fade-up) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Staggered delays via data-delay attribute */
.reveal[data-delay="0"]   { transition-delay: 0ms; }
.reveal[data-delay="100"] { transition-delay: 100ms; }
.reveal[data-delay="200"] { transition-delay: 200ms; }
.reveal[data-delay="300"] { transition-delay: 300ms; }
.reveal[data-delay="400"] { transition-delay: 400ms; }

/* Reduced motion override */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }

  .btn,
  .service-card,
  .case-card,
  .nav,
  .mobile-menu {
    transition: none;
  }
}


/* ============================================================
   14. GLITCH & COUNTER ANIMATIONS
============================================================ */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero__stat-number {
  transition: color 0.1s ease;
}

/* Portfolio expand */
.portfolio__expand-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-3xl);
}

.portfolio__extra .portfolio__grid {
  margin-top: var(--space-lg);
}


/* ============================================================
   15. SCROLLBAR
============================================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: #C0B8B0;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: #C0B8B0 var(--color-bg);
}


/* ============================================================
   16. MEDIA QUERIES
============================================================ */

/* ---- 1024px: Slightly tighter layouts ---- */
@media (max-width: 1024px) {
  .services__tracks {
    gap: var(--space-2xl);
  }

  .about__inner {
    gap: var(--space-2xl);
  }
}

/* ---- 900px: Two-column grids tighten ---- */
@media (max-width: 900px) {
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .about__credential {
    order: -1;
  }

  .about__text {
    max-width: 100%;
  }

  .services__tracks {
    grid-template-columns: 1fr;
  }

  .services__track-divider {
    width: 100%;
    height: 1px;
    align-self: auto;
    margin-block: var(--space-xl);
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .contact__info {
    max-width: 480px;
  }
}

/* ---- 768px: Case studies & hero stats ---- */
@media (max-width: 768px) {
  :root {
    --space-5xl: 5rem;
    --space-4xl: 4rem;
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    flex-wrap: wrap;
    gap: var(--space-lg);
    padding: var(--space-lg);
    width: 100%;
  }

  .hero__stat {
    padding-inline: var(--space-md);
    flex: 1 0 calc(33% - var(--space-md));
    min-width: 80px;
  }

  .hero__stat-divider {
    display: none;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
}

/* ---- 480px: Mobile small ---- */
@media (max-width: 480px) {
  :root {
    --space-5xl: 4rem;
    --nav-height: 64px;
  }

  .hero__ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero__ctas .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__stats {
    flex-direction: column;
    width: 100%;
    gap: var(--space-md);
  }

  .hero__stat {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-inline: 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-md);
  }

  .hero__stat:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .hero__stat-number {
    font-size: 1.75rem;
  }

  .credential-card {
    padding: var(--space-lg);
  }

  .service-card {
    padding: var(--space-lg);
  }

  .case-card {
    padding: var(--space-lg);
    padding-top: calc(var(--space-lg) + 4px);
  }

  .mobile-menu__link {
    font-size: 1.5rem;
  }

  .contact__actions {
    width: 100%;
  }

  .contact__actions .btn {
    width: 100%;
    justify-content: center;
  }
}