/* ==========================================================
   PORTFOLIO — Pedro, Product Designer & Project Manager
   styles.css
   ========================================================== */

@font-face {
  font-family: 'Raillinc';
  src: url('../assets/fonts/Raillinc 2.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* ----------------------------------------------------------
   1. CSS CUSTOM PROPERTIES
   ---------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg: #eaeaea;
  --color-text: #4b4b4b;
  --color-text-muted: #9b9b9b;
  --color-text-light: #fffcfd;
  --color-dark-bg: #1c1c1c;
  --color-dark-card: #2b2b2b;
  --color-dark-divider: #3a3a3a;
  --color-border: #c0bfbf;
  --color-border-dark: #555555;
  --color-placeholder: #c8c8c8;
  --color-placeholder-dark: #2b2b2b;
  --color-btn-primary: #000000;
  --color-btn-secondary: #eaeaea;

  /* Typography */
  --font-heading: 'Raillinc', sans-serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;

  /* Font Sizes */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.8125rem;  /* 13px */
  --text-base: 1rem;       /* 16px */
  --text-md:   0.9375rem;  /* 15px */
  --text-lg:   1rem;       /* 16px */
  --text-xl:   1.0625rem;  /* 17px */
  --text-2xl:  1.125rem;   /* 18px */
  --text-3xl:  1.375rem;   /* 22px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3.25rem;    /* 52px */
  --text-6xl:  3.75rem;    /* 60px */
  --text-7xl:  4rem;       /* 64px */
  --text-8xl:  5rem;       /* 80px */

  /* Spacing */
  --space-1:  0.375rem;  /* 6px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.5rem;    /* 24px */
  --space-6:  2rem;      /* 32px */
  --space-7:  2.5rem;    /* 40px */
  --space-8:  3rem;      /* 48px */
  --space-9:  4rem;      /* 64px */
  --space-10: 5rem;      /* 80px */
  --space-11: 6rem;      /* 96px */

  /* Layout */
  --max-width: 1440px;
  --section-x: 5rem;     /* 80px — used by navbar & footer */
  --section-pad-x: 10rem; /* 160px — used by sections only */
  --navbar-h:  4.5rem;   /* 72px */
  --radius:    4px;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);

  /* Transitions */
  --transition: 0.22s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ----------------------------------------------------------
   3. TYPOGRAPHY
   ---------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

.dark-section h1,
.dark-section h2,
.dark-section h3 {
  color: var(--color-text-light);
}

.overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ----------------------------------------------------------
   4. LAYOUT
   ---------------------------------------------------------- */
.site-wrapper {
  width: 100%;
  overflow: hidden;
}

.section {
  width: 100%;
}

.section-inner {
  padding: var(--space-10) var(--section-pad-x);
}

.section-inner--slim {
  padding: var(--space-8) var(--section-pad-x);
}

.divider {
  display: none;
}

.divider--dark {
  display: none;
}

/* ----------------------------------------------------------
   5. COMPONENTS
   ---------------------------------------------------------- */

/* --- Navbar --- */
.navbar {
  position: relative;
  z-index: 100;
  width: 100%;
  height: var(--navbar-h);
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--section-x);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.hero-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.hero-header .navbar {
  background-color: transparent;
}

.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  transition: opacity var(--transition);
}

.navbar__logo:hover {
  opacity: 0.7;
}

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

.navbar__links a {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  position: relative;
  transition: opacity var(--transition);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: width var(--transition);
}

.navbar__links a:hover { opacity: 0.6; }
.navbar__links a:hover::after,
.navbar__links a.active::after { width: 100%; }

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-text);
  transition: all var(--transition);
}

.navbar__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) var(--section-x);
  flex-direction: column;
  gap: var(--space-5);
  z-index: 99;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 400;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-btn-primary);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: #222;
  transform: translateY(-1px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

.btn-primary:active { transform: translateY(0); }

.btn-primary--sm {
  font-size: var(--text-sm);
  padding: 0.875rem 1.75rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-btn-secondary);
  color: #1a1a1a;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: var(--radius);
  border: 1px solid #1a1a1a;
  transition: background-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-secondary:hover {
  background-color: #d8d8d8;
  transform: translateY(-1px);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

.btn-secondary:active { transform: translateY(0); }

/* --- Hero Section (Home) --- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5rem;
  height: 100vh;
  min-height: 100vh;
  padding: var(--navbar-h) var(--section-pad-x) var(--space-10);
  background-image: url('../assets/images/Mask group.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  margin-top: calc(var(--navbar-h) * -1);
}


.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__canvas canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.hero__text {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
  flex: 1;
  min-width: 0;
}

.hero__title {
  font-family: 'Raillinc', sans-serif;
  font-size: var(--text-6xl);
  font-weight: normal;
  line-height: 1.05;
  color: #0d0d0d;
}

.hero__description {
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.65;
  color: #1a1a1a;
  max-width: 620px;
}

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

.hero__image {
  flex-shrink: 0;
  width: 560px;
  height: 100%;
  border-radius: var(--radius);
  background-color: var(--color-placeholder);
  overflow: hidden;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* --- Trusted By Section --- */
.trusted-by {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-11);
  padding: var(--space-11) var(--section-pad-x);
  background-color: var(--color-dark-bg);
}

.trusted-by__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.trusted-by__overline {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.trusted-by__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text-light);
}

.trusted-by__desc {
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}

.trusted-by__logos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7);
  align-items: center;
  justify-items: center;
}

.trusted-by__logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}


/* --- About Snapshot Section --- */
.about-snapshot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  gap: var(--space-11);
  padding: var(--space-11) var(--section-pad-x);
  background-color: var(--color-bg);
}

.about-snapshot__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.about-snapshot__overline {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about-snapshot__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
}

.about-snapshot__para {
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
}

.about-snapshot__image {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
}

.about-snapshot__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

/* --- Projects Section (Home + My Work) --- */
.projects-section {
  background-color: var(--color-bg);
}


.projects-section__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-row {
  display: flex;
  align-items: stretch;
  height: 560px;
}

.project-row:last-of-type {
  border-bottom: none;
}

.project-row__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-5);
  padding: 4rem 5rem 4rem var(--section-pad-x);
  min-width: 0;
}

.project-row__number {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 4px;
  color: var(--color-text-muted);
}

.project-row__title {
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1;
  color: var(--color-text);
}

.project-row__subtitle {
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
}

.project-row__tags {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.project-row__image {
  flex-shrink: 0;
  height: 360px;
  width: fit-content;
  border-radius: var(--radius);
  margin: 2.5rem var(--section-pad-x) 2.5rem 0;
  overflow: hidden;
}

.project-row__image img {
  display: block;
  height: 100%;
  width: auto;
  transition: transform 0.5s ease;
}

.project-row:hover .project-row__image img {
  transform: scale(1.03);
}

/* --- Project row invert hover --- */
.project-row--invert {
  position: relative;
  overflow: hidden;
}

.project-row--invert::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--color-dark-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: translateX(-100%);
  transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
  z-index: 1;
}

.project-row--vetur::before {
  background-image: url('../assets/images/Rectangle 1.png');
}

.project-row--structureiq::before {
  background-image: url('../assets/images/Rectangle 2.png');
}

.project-row--invert:hover::before {
  transform: translateX(0);
}

.project-row--invert > * {
  position: relative;
  z-index: 2;
}

.project-row__preview {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 460px;
  width: 50%;
  z-index: 2;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.4s ease;
}

.project-row__preview img {
  height: 100%;
  width: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.project-row--invert:hover .project-row__preview {
  opacity: 0;
}

.project-row--invert .project-row__number,
.project-row--invert .project-row__subtitle,
.project-row--invert .project-row__tags {
  transition: color 0.4s ease;
}

.project-row--invert:hover .project-row__number,
.project-row--invert:hover .project-row__subtitle,
.project-row--invert:hover .project-row__tags {
  color: var(--color-text-muted);
}

.project-row--invert .project-row__title {
  transition: color 0.4s ease;
}

.project-row--invert:hover .project-row__title {
  color: var(--color-text-light);
}

.project-row--invert:hover .btn-primary {
  background-color: var(--color-bg);
  color: var(--color-dark-bg);
}

/* --- Work Intro (My Work page) --- */
.work-intro {
  height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--navbar-h) var(--section-pad-x) 0;
  margin-top: calc(var(--navbar-h) * -1);
  background-image: url('../assets/images/myworkhero.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.work-intro__title {
  font-size: var(--text-7xl);
  font-weight: 700;
  color: #0d0d0d;
  margin-bottom: var(--space-5);
}

.work-intro__description {
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.7;
  color: #1a1a1a;
  max-width: 680px;
}

/* --- Case Study Hero --- */
.cs-hero {
  position: relative;
  height: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: calc(var(--navbar-h) * -1);
  justify-content: center;
  gap: var(--space-5);
  padding: 10rem var(--section-pad-x) 8.75rem;
  text-align: center;
  overflow: hidden;
}

.cs-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.8);
  z-index: 0;
}

.cs-hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  max-width: 900px;
  width: 100%;
  padding-top: var(--navbar-h);
}

.cs-hero__overline {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 4px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.cs-hero__title {
  font-size: var(--text-8xl);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-text-light);
}

.cs-hero__subtitle {
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-bg);
}

/* --- Section Heading Block --- */
.section-heading {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text);
}

.dark-section .section-heading {
  color: var(--color-text-light);
}

/* --- Brief Section --- */
.brief-section {
  background-color: var(--color-bg);
}

.brief-row {
  display: flex;
  align-items: flex-start;
  gap: 5rem;
}

.brief-row--reverse {
  flex-direction: row-reverse;
}

.brief-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
}

.brief-text p {
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-text);
}

.brief-image {
  flex-shrink: 0;
  width: 480px;
  height: 320px;
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-placeholder);
}

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

/* --- Dark Section (PM Focus, Research, Metrics) --- */
.dark-section {
  background-color: var(--color-dark-bg);
}

.dark-section--light {
  background-color: #D9D9D9;
}

.dark-section--light h1,
.dark-section--light h2,
.dark-section--light h3,
.dark-section--light .content-row__heading,
.dark-section--light .content-item__title,
.dark-section--light .section-heading {
  color: var(--color-text);
}

.dark-section--light .content-item__text,
.dark-section--light .content-row__label {
  color: var(--color-text);
}

/* Content row within dark/light sections */
.content-row {
  display: flex;
  align-items: stretch;
  height: 520px;
}

.content-row__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-6);
  padding: 4rem 4rem 4rem var(--section-pad-x);
  min-width: 0;
}

.content-row__label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.content-row__heading {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

.dark-section .content-row__heading {
  color: var(--color-text-light);
}

.content-row__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.content-item__title {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.dark-section .content-item__title {
  color: var(--color-text-light);
}

.content-item__text {
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
}

.dark-section .content-item__text {
  color: var(--color-text-muted);
}

.content-row__image {
  flex-shrink: 0;
  width: 560px;
  margin: 3rem 7.5rem 3rem 1.5rem;
  border-radius: var(--radius);
  background-color: var(--color-placeholder);
  overflow: hidden;
}

.dark-section .content-row__image {
  background-color: var(--color-placeholder-dark);
  border: 1px solid var(--color-border-dark);
}

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

.content-row__image--contain {
  background-color: transparent !important;
  border: none !important;
}

.content-row__image--contain img {
  object-fit: contain;
}

/* Result badge (inside dark section) */
.result-badge {
  background-color: var(--color-dark-card);
  padding: 1.5rem 2rem;
  border-radius: var(--radius);
}

.result-badge__label {
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.result-badge__text {
  font-size: var(--text-md);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-light);
}

/* --- Image grid rows (UX Focus / Execution) --- */
.image-grid {
  display: flex;
  gap: 1.5rem;
  height: 520px;
  padding: 1.5rem var(--section-pad-x) 0;
}

.image-grid--with-bottom { padding-bottom: 3rem; }

.image-grid__item {
  flex: 1;
  border-radius: var(--radius);
  background-color: var(--color-placeholder);
  overflow: hidden;
}

.image-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

/* --- Outcome section --- */
.outcome-section {
  background-color: var(--color-bg);
}

.outcome-section .section-inner {
  padding: 4rem var(--section-pad-x);
}

.outcome-section .section-heading {
  margin-bottom: var(--space-5);
}

.outcome-section__text {
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-text);
  max-width: 900px;
}

/* --- Success Metrics --- */
.metrics-section {
  background-color: var(--color-dark-bg);
}

.metrics-grid {
  display: flex;
  gap: 1px;
  background-color: var(--color-dark-divider);
  border-radius: var(--radius);
  overflow: hidden;
}

.metric-card {
  flex: 1;
  background-color: var(--color-dark-card);
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.metric-card__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-text-light);
  line-height: 1.2;
}

.metric-card__text {
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* --- About Hero --- */
.about-hero {
  display: flex;
  align-items: flex-start;
  gap: 5rem;
  padding: calc(var(--navbar-h) + var(--space-11)) var(--section-pad-x) var(--space-11);
  background-color: var(--color-bg);
  margin-top: calc(var(--navbar-h) * -1);
}

.about-hero__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-width: 0;
}

.about-hero__title {
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

.about-hero__para {
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-text);
}

.about-hero__image {
  flex-shrink: 0;
  width: 400px;
  height: 520px;
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* --- Experience Section --- */
.experience-section {
  background-color: var(--color-bg);
}

.exp-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: 2rem 0;
}

.exp-item__date {
  flex-shrink: 0;
  width: 200px;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  padding-top: 0.2rem;
}

.exp-item__details {
  flex: 1;
}

.exp-item__company {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.exp-item__role {
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-text);
}

/* --- Education Section --- */
.education-section {
  background-color: var(--color-dark-bg);
}

.edu-item {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: 1.75rem 0;
}

.edu-item__year {
  flex-shrink: 0;
  width: 200px;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.edu-item__name {
  flex: 1;
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text-light);
}

.edu-item__institution {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  text-align: right;
  flex-shrink: 0;
}

/* --- Skills Section --- */
.skills-section {
  background-color: var(--color-bg);
}

.skills-grid {
  display: flex;
  gap: 1px;
  background-color: var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.skills-col {
  flex: 1;
  background-color: var(--color-bg);
  padding: 3rem 3rem 3rem 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.skills-col:last-child {
  padding: 3rem 0 3rem 3rem;
}

.skills-col__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
}

.skill-item {
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
}

/* --- Footer --- */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-dark-bg);
  padding: 2.5rem var(--section-x);
}

.footer__copy {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.footer__right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer__linkedin {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-bg);
  transition: opacity var(--transition);
}

.footer__linkedin:hover { opacity: 0.65; }

.footer__contact {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-bg);
  color: #1a1a1a;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: none;
  transition: background-color var(--transition), transform var(--transition);
}

.footer__contact:hover {
  background-color: #d5d5d5;
  transform: translateY(-1px);
}

.footer__contact:focus-visible {
  outline: 2px solid var(--color-bg);
  outline-offset: 3px;
}

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  z-index: 300;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 2rem;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  cursor: default;
}

.lightbox__close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition);
  line-height: 1;
}

.lightbox__close:hover { opacity: 1; }

/* Make zoomable images feel clickable */
.zoomable {
  cursor: zoom-in;
}

/* --- Contact Modal --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background-color: var(--color-bg);
  border-radius: var(--radius);
  padding: 3rem;
  width: 100%;
  max-width: 520px;
  position: relative;
  box-shadow: var(--shadow-md);
}

.modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
  transition: color var(--transition);
}

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

.modal__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.modal__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.modal__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.modal__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.modal__field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.modal__field input,
.modal__field textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  width: 100%;
  outline: none;
  transition: border-color var(--transition);
  resize: none;
}

.modal__field input:focus,
.modal__field textarea:focus {
  border-color: var(--color-text);
}

/* ----------------------------------------------------------
   6. UTILITIES
   ---------------------------------------------------------- */
.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;
}

/* ----------------------------------------------------------
   7. MEDIA QUERIES (mobile-first breakpoints)
   ---------------------------------------------------------- */

/* Tablet — ≥ 768px */
@media (min-width: 768px) {
  .navbar__hamburger { display: none; }
}

/* Large Desktop ≥ 1440px */
@media (min-width: 1440px) {
  :root { --section-x: 7.5rem; --section-pad-x: 14rem; }
}

/* Below large desktop — reduce padding */
@media (max-width: 1280px) {
  :root {
    --section-x: 4rem;
    --section-pad-x: 7rem;
    --text-6xl: 3.25rem;
    --text-8xl: 4.5rem;
  }

  .hero__image { width: 460px; }
  .project-row__image { max-width: 480px; }
  .content-row__image { width: 440px; margin-right: 4rem; }
}

/* Tablet / Small Desktop — ≤ 1024px */
@media (max-width: 1024px) {
  :root {
    --section-x: 2.5rem;
    --section-pad-x: 4rem;
    --text-5xl: 2.75rem;
    --text-6xl: 2.75rem;
    --text-7xl: 3rem;
    --text-8xl: 3.5rem;
  }

  /* Hero */
  .hero {
    height: auto;
    min-height: 100vh;
    padding: calc(var(--navbar-h) + 3rem) var(--section-pad-x) 4rem;
  }

  .hero__description {
    max-width: 100%;
    font-size: var(--text-xl);
  }

  /* About Snapshot */
  .about-snapshot {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-9) var(--section-pad-x);
  }

  .about-snapshot__image {
    height: 400px;
  }

  /* Trusted By */
  .trusted-by {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-9) var(--section-pad-x);
  }

  .trusted-by__logos {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Project rows */
  .project-row {
    height: auto;
    min-height: 400px;
  }

  .project-row__preview {
    width: 45%;
    height: 320px;
  }

  .project-row__text {
    padding: 3rem var(--section-pad-x);
    max-width: 55%;
  }

  /* Work intro */
  .work-intro {
    height: auto;
    min-height: 360px;
    padding: calc(var(--navbar-h) + 3rem) var(--section-pad-x) 3rem;
  }

  /* Case study */
  .content-row {
    height: auto;
    flex-direction: column;
  }

  .content-row__text {
    padding: 3rem var(--section-pad-x);
  }

  .content-row__image {
    width: 100%;
    height: 320px;
    margin: 0 var(--section-pad-x) 2.5rem;
  }

  .image-grid {
    height: 320px;
    padding: 1.5rem var(--section-pad-x) 0;
  }

  .about-hero {
    flex-direction: column;
  }

  .about-hero__image {
    width: 100%;
    height: 380px;
  }

  .cs-hero__title { font-size: 3.5rem; }

  .brief-row {
    flex-direction: column !important;
    gap: 2rem;
  }

  .brief-image {
    width: 100%;
    height: 260px;
  }

  .skills-grid,
  .metrics-grid {
    flex-direction: column;
  }

  .skills-col,
  .skills-col:last-child {
    padding: 2rem var(--section-pad-x);
  }
}

/* Mobile — ≤ 640px */
@media (max-width: 640px) {
  :root {
    --section-x: 1.5rem;
    --section-pad-x: 1.5rem;
    --text-4xl: 1.75rem;
    --text-5xl: 2.25rem;
    --text-6xl: 2rem;
    --text-7xl: 2.25rem;
    --text-8xl: 2.5rem;
    --navbar-h: 4rem;
  }

  .navbar {
    padding: 0 var(--section-x);
  }

  .navbar__links { display: none; }
  .navbar__hamburger { display: flex; }

  /* Hero */
  .hero {
    height: auto;
    min-height: 100svh;
    padding: calc(var(--navbar-h) + 2rem) var(--section-pad-x) 3rem;
    text-align: center;
  }

  .hero__title {
    font-size: 2rem;
    line-height: 1.15;
  }

  .hero__description {
    font-size: 1rem;
    max-width: 100%;
    line-height: 1.6;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  /* About Snapshot */
  .about-snapshot {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-8) var(--section-pad-x);
  }

  .about-snapshot__image {
    height: 320px;
  }

  /* Trusted By */
  .trusted-by {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-8) var(--section-pad-x);
  }

  .trusted-by__logos {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  /* Project rows — stack vertically */
  .project-row {
    height: auto;
    min-height: unset;
    flex-direction: column;
  }

  .project-row__text {
    padding: 2.5rem var(--section-pad-x);
    max-width: 100%;
  }

  .project-row__preview {
    position: relative;
    top: unset;
    transform: none;
    width: 100%;
    height: 260px;
  }

  /* Work intro */
  .work-intro {
    height: auto;
    min-height: 280px;
    padding: calc(var(--navbar-h) + 2rem) var(--section-pad-x) 2rem;
    justify-content: flex-end;
  }

  /* Case studies */
  .cs-hero__title { font-size: 2.25rem; }
  .cs-hero__subtitle { font-size: 1rem; }

  .exp-item {
    flex-direction: column;
    gap: var(--space-2);
  }

  .exp-item__date { width: auto; }

  .edu-item {
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .edu-item__year { width: auto; flex-shrink: 0; }
  .edu-item__name { flex-basis: 100%; order: 3; }
  .edu-item__institution { flex-basis: 100%; text-align: left; }

  .footer {
    flex-direction: column;
    gap: var(--space-5);
    align-items: flex-start;
    padding: 2rem var(--section-x);
  }

  .image-grid {
    flex-direction: column;
    height: auto;
  }

  .image-grid__item { height: 240px; }
}


/* ==========================================================
   DARK THEME — Home page (body.dark-theme)
   ========================================================== */

body.dark-theme {
  background-color: #161616;
}

/* --- Token overrides --- */
body.dark-theme .site-wrapper {
  background-color: #161616;
}

/* --- Navbar --- */
body.dark-theme .navbar {
  background-color: #161616;
}

body.dark-theme .navbar__logo {
  color: #F0F0F0;
}

body.dark-theme .navbar__links a {
  color: #888888;
}

body.dark-theme .navbar__links a:hover,
body.dark-theme .navbar__links a.active {
  color: #F0F0F0;
  opacity: 1;
}

body.dark-theme .navbar__links a::after {
  background-color: #4ADE80;
}

body.dark-theme .navbar__hamburger span {
  background-color: #F0F0F0;
}

body.dark-theme .mobile-menu {
  background-color: #1E1E1E;
}

body.dark-theme .mobile-menu a {
  color: #F0F0F0;
}

/* --- Buttons --- */
body.dark-theme .btn-primary {
  background-color: #4ADE80;
  color: #0D0D0D;
}

body.dark-theme .btn-primary:hover {
  background-color: #22C55E;
  color: #0D0D0D;
}

body.dark-theme .btn-secondary {
  background-color: transparent;
  color: #F0F0F0;
  border: 1.5px solid rgba(240, 240, 240, 0.3);
}

body.dark-theme .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.06);
}

/* --- Hero --- */
body.dark-theme .hero {
  background-color: #161616;
}

body.dark-theme .hero__title {
  color: #F0F0F0;
}

body.dark-theme .hero__description {
  color: #999999;
}

/* --- Trusted By --- */
body.dark-theme .trusted-by {
  background-color: transparent;
}

body.dark-theme .trusted-by__logo {
  filter: grayscale(100%) brightness(2);
  opacity: 0.45;
}

/* --- About Snapshot --- */
body.dark-theme .about-snapshot {
  background-color: transparent;
}

body.dark-theme .about-snapshot__overline {
  color: #4ADE80;
}

body.dark-theme .about-snapshot__title {
  color: #F0F0F0;
}

body.dark-theme .about-snapshot__para {
  color: #999999;
}

/* --- Projects Section --- */
body.dark-theme .projects-section {
  background-color: #161616;
}

body.dark-theme .projects-section__title {
  color: #F0F0F0;
}

body.dark-theme .project-row {
  background-color: #161616;
}

body.dark-theme .project-row__number,
body.dark-theme .project-row__tags {
  color: #555555;
}

body.dark-theme .project-row__title {
  color: #F0F0F0;
}

body.dark-theme .project-row__subtitle {
  color: #999999;
}

body.dark-theme .project-row--invert:hover .project-row__number,
body.dark-theme .project-row--invert:hover .project-row__subtitle,
body.dark-theme .project-row--invert:hover .project-row__tags {
  color: rgba(240, 240, 240, 0.5);
}

body.dark-theme .project-row--invert:hover .project-row__title {
  color: #F0F0F0;
}

body.dark-theme .project-row--invert:hover .btn-primary {
  background-color: #4ADE80;
  color: #0D0D0D;
}

/* --- Footer --- */
body.dark-theme .footer {
  background-color: #111111;
}

body.dark-theme .footer__copy {
  color: #555555;
}

body.dark-theme .footer__linkedin {
  color: #888888;
}

body.dark-theme .footer__linkedin:hover {
  color: #F0F0F0;
  opacity: 1;
}

body.dark-theme .footer__contact {
  background-color: #1E1E1E;
  color: #F0F0F0;
  border: 1px solid #2A2A2A;
}

body.dark-theme .footer__contact:hover {
  background-color: #2A2A2A;
}