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

:root {
  /* Colors */
  --color-primary: #1e3a5f;
  --color-primary-light: #2d5a8e;
  --color-primary-dark: #122540;
  --color-secondary: #e8753a;
  --color-secondary-light: #f4a97d;
  --color-secondary-dark: #c45e28;
  --color-dark: #1e293b;
  --color-text: #374151;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-border: #e5e7eb;
  --color-white: #ffffff;

  /* Typography */
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  --fs-5xl: 3rem;
  --fs-6xl: 3.75rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;

  /* Effects */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --transition: 150ms ease-in-out;

  /* Guide lines */
  --guides-color: rgba(0, 0, 0, 0.1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body > .footer {
  margin-top: auto;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

.nav-links a.btn-primary,
.nav-links a.btn-primary:hover,
a.btn-primary,
a.btn-primary:hover,
a.btn-primary:visited {
  color: #ffffff !important;
}

a.btn-outline {
  color: var(--color-dark);
}

a.btn-outline:hover {
  color: var(--color-primary);
}

ul,
ol {
  list-style: none;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-dark);
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-6xl);
}
h2 {
  font-size: var(--fs-4xl);
  margin-bottom: var(--space-lg);
}
h3 {
  font-size: var(--fs-2xl);
  font-weight: 600;
}
h4 {
  font-size: var(--fs-xl);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

/* ===== GUIDE LINES ===== */
.guide-lines {
  display: none;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-width);
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.guide-lines__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
  height: 100%;
  position: relative;
}

.guide-line {
  width: 1px;
  height: 100%;
  background-image: linear-gradient(180deg, var(--guides-color) 50%, transparent 50%);
  background-size: 20px 10px;
}

.guide-line:last-child {
  position: absolute;
  right: 0;
  top: 0;
}

@media (max-width: 768px) {
  .guide-line--inner {
    display: none;
  }
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header p {
  font-size: var(--fs-lg);
  margin-top: var(--space-md);
}

.section-label {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75em 1.75em;
  font-size: var(--fs-base);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover,
a.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5em 1.25em;
  font-size: var(--fs-sm);
}

.btn-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.btn-arrow:hover svg {
  transform: translateX(3px);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: none;
  z-index: 1000;
  transition:
    box-shadow var(--transition),
    background var(--transition),
    border-bottom var(--transition);
}

.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-image: linear-gradient(90deg, var(--guides-color) 50%, transparent 50%);
  background-size: 10px 20px;
  transition: opacity var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
}

.header.scrolled::after {
  opacity: 0;
}

.header .guide-lines {
  transition: opacity var(--transition);
}

.header.scrolled .guide-lines {
  opacity: 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
  z-index: 1;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-logo img {
  height: 40px;
  width: auto;
}

.header-logo span {
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--color-dark);
}

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

.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-dark);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.btn-primary:hover::after {
  width: 0;
}

.nav-ext-icon {
  display: inline-block;
  vertical-align: middle;
  margin-left: 3px;
  opacity: 0.6;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-height);
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}

.hero > .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  flex: 1;
}

.hero-content {
  max-width: 560px;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-eyebrow {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.highlight {
  color: var(--color-primary);
  background-image: linear-gradient(
    color-mix(in srgb, var(--color-primary) 85%, transparent),
    color-mix(in srgb, var(--color-primary) 85%, transparent)
  );
  background-size: 0% 12px;
  background-repeat: no-repeat;
  background-position: 0 calc(100% - 4px);
  transition: background-size 0.6s ease;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

h1 .highlight {
  color: inherit;
}

h2 .highlight {
  color: inherit;
  background-size: 0% 6px;
  background-position: 0 100%;
}

.highlight.is-visible {
  background-size: 100% 12px;
}

h2 .highlight.is-visible {
  background-size: 100% 6px;
}

.hero-subtitle {
  font-size: var(--fs-xl);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero-badges {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35em 0.85em;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-muted);
}

.hero-badge svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 380px;
  height: 380px;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-xl);
}

.hero-decoration {
  position: absolute;
  z-index: 1;
}

.hero-decoration-1 {
  width: 420px;
  height: 420px;
  top: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-xl);
  opacity: 0.15;
  transform: rotate(6deg);
}

.hero-decoration-2 {
  width: 120px;
  height: 120px;
  bottom: -30px;
  left: 0;
  z-index: 3;
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  opacity: 0.2;
  transform: rotate(-12deg);
}

/* ===== STATS ===== */
.stats {
  position: relative;
  width: 100%;
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat-item h3 {
  font-size: var(--fs-5xl);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.stat-item p {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  padding: var(--space-2xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.service-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.service-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: var(--radius-md);
}

.service-card:nth-child(2) .service-icon {
  background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
}

.service-card:nth-child(3) .service-icon {
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
}

.service-card:nth-child(4) .service-icon {
  background: linear-gradient(135deg, #6ee7b7, #059669);
}

.service-card:nth-child(5) .service-icon {
  background: linear-gradient(135deg, #fbbf24, #d97706);
}

.service-card:nth-child(6) .service-icon {
  background: linear-gradient(135deg, #5eead4, #0d9488);
}

.service-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-white);
}

.service-card h3 {
  margin-bottom: 0;
  font-size: var(--fs-xl);
  flex: 1;
}

.service-card p {
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.service-card .service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
}

.service-tag {
  padding: 0.2em 0.6em;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ===== PORTFOLIO ===== */

/* Category pill */
.portfolio-category {
  display: inline-block;
  width: fit-content;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.25em 0.75em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.portfolio-category--integration {
  background: rgba(232, 117, 58, 0.1);
  color: var(--color-primary-dark);
}

.portfolio-category--dev {
  background: rgba(91, 155, 213, 0.1);
  color: var(--color-secondary-dark);
}

.portfolio-category--devops {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

/* Project meta line */
.portfolio-meta {
  font-size: var(--fs-xs) !important;
  color: var(--color-text-muted) !important;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-xs) !important;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.portfolio-tag {
  padding: 0.2em 0.6em;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  color: var(--color-secondary-dark);
  font-weight: 500;
}

/* Index list — minimalist text-focused cards below the featured project */
.portfolio-list {
  list-style: none;
  margin: var(--space-2xl) 0 0;
  padding: 0;
}

.portfolio-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-2xl) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  transition:
    background var(--transition),
    padding var(--transition);
}

.portfolio-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 60%;
  background: var(--color-border);
  transition: transform var(--transition);
  transform-origin: center;
}

.portfolio-item--integration::before {
  background: var(--color-primary);
}
.portfolio-item--dev::before {
  background: var(--color-secondary);
}
.portfolio-item--devops::before {
  background: #22c55e;
}

.portfolio-item:hover {
  background: var(--color-bg-alt);
  padding-left: var(--space-xl);
}

.portfolio-item:hover::before {
  transform: translateY(-50%) scaleY(1);
}

.portfolio-item-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0;
}

.portfolio-item-body h3 {
  font-size: var(--fs-xl);
  margin: 0;
  line-height: 1.3;
}

.portfolio-item-body .portfolio-category {
  margin-bottom: 0;
}

.portfolio-item-body .portfolio-meta {
  margin-bottom: 0 !important;
}

.portfolio-item-desc {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0 !important;
}

.portfolio-item .portfolio-tags {
  margin-top: var(--space-xs);
}

.portfolio-item-metric {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  width: 12rem;
  padding-left: var(--space-xl);
  border-left: 1px solid var(--color-border);
}

.portfolio-item-metric-number {
  font-size: var(--fs-5xl);
  font-weight: 700;
  line-height: 0.95;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.portfolio-item-metric-label {
  margin-top: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-weight: 500;
}

/* === FEATURED PORTFOLIO ITEM === */
.portfolio-item--featured {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  box-shadow:
    0 0 0 2px var(--color-primary-light),
    var(--shadow-md);
  transition:
    background var(--transition),
    padding var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.portfolio-item--featured::before {
  display: none;
}

.portfolio-item--featured:hover {
  background: var(--color-bg-alt);
  padding-left: var(--space-2xl);
  transform: translateY(-2px);
  box-shadow:
    0 0 0 2px var(--color-primary),
    var(--shadow-lg);
}

.portfolio-item--featured + .portfolio-item {
  border-top: 1px solid var(--color-border);
}

.portfolio-item-labels {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.portfolio-featured-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.25em 0.75em;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-primary-dark);
  background: rgba(232, 117, 58, 0.1);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.portfolio-featured-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .portfolio-item--featured {
    padding: var(--space-xl);
  }
}

/* ===== ABOUT ===== */
.about .container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-image {
  position: relative;
  padding: 16px 16px 0 0;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.about-image-decoration {
  position: absolute;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  bottom: 0;
  right: 0;
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-xl);
  z-index: 0;
}

.about-content h2 {
  margin-bottom: var(--space-lg);
}

.about-chapter {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xs);
}

.about-chapter:first-of-type {
  margin-top: 0;
}

.about-content > p {
  font-size: var(--fs-base);
  line-height: 1.8;
}

.about-cta {
  margin-top: var(--space-md);
  font-weight: 500;
}

.about-cta a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.about-cta a:hover {
  color: var(--color-primary-light);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.about-highlight {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.about-highlight-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.about-highlight h4 {
  font-size: var(--fs-sm);
  margin-bottom: 2px;
}

.about-highlight p {
  font-size: var(--fs-xs);
  margin: 0;
}

/* ===== CERTIFICATIONS ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.cert-card {
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.cert-card:hover {
  border-color: var(--color-secondary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.cert-card .cert-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.cert-card:nth-child(2) .cert-icon {
  background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
}

.cert-card:nth-child(3) .cert-icon {
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
}

.cert-card:nth-child(4) .cert-icon {
  background: linear-gradient(135deg, #6ee7b7, #059669);
}

.cert-card:nth-child(5) .cert-icon {
  background: linear-gradient(135deg, #5eead4, #0d9488);
}

.cert-card:nth-child(6) .cert-icon {
  background: linear-gradient(135deg, #a5b4fc, #4f46e5);
}

.cert-card .cert-icon svg {
  width: 26px;
  height: 26px;
}

.cert-card h4 {
  font-size: var(--fs-sm);
  line-height: 1.4;
  color: var(--color-dark);
}

.cert-card p {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin: var(--space-xs) 0 0;
}

/* ===== BLOG ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-card-content {
  padding: var(--space-xl);
}

.blog-card-tag {
  display: inline-block;
  padding: 0.2em 0.6em;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.blog-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.blog-card p {
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.blog-card-footer span {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.blog-card-footer a {
  font-size: var(--fs-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.blog-section-cta {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* ===== BLOG LIST (Overview Page) ===== */
.blog-overview {
  padding-top: calc(var(--header-height) + var(--space-4xl));
}

.blog-list {
  list-style: none;
  max-width: 800px;
}

.blog-list-item {
  border-bottom: 1px solid var(--color-border);
  margin-right: var(--space-sm);
}

.blog-list-item:first-child {
  border-top: 1px solid var(--color-border);
}

.blog-list-item a {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-sm);
  color: var(--color-text);
  transition:
    background var(--transition),
    color var(--transition);
}

.blog-list-item a:hover {
  background: var(--color-bg-alt);
}

.blog-list-item a:hover .blog-list-title {
  color: var(--color-primary);
}

.blog-list-item time {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 100px;
}

.blog-list-tag {
  display: inline-block;
  padding: 0.2em 0.6em;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 90px;
  text-align: center;
}

.blog-list-title {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-dark);
  transition: color var(--transition);
}

@media (max-width: 640px) {
  .blog-list-item a {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .blog-list-item time {
    min-width: auto;
  }

  .blog-list-title {
    width: 100%;
    font-size: var(--fs-base);
  }
}

/* ===== BLOG POST ===== */
.blog-post {
  padding-top: calc(var(--header-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
  position: relative;
}

.blog-post-header {
  max-width: 720px;
  margin-bottom: var(--space-3xl);
}

.blog-post-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  transition: color var(--transition);
}

.blog-post-back::before {
  content: '\2190';
}

.blog-post-back:hover {
  color: var(--color-primary);
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.blog-post-meta time {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.blog-post-header h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
}

.blog-post-intro {
  font-size: var(--fs-lg);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.blog-post-content {
  max-width: 720px;
}

.blog-post-content h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--color-dark);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
}

.blog-post-content p {
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.blog-post-content ul {
  list-style: none;
}

.blog-post-content ul li::before {
  content: '\2022';
  color: var(--color-primary);
  font-weight: 700;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

.blog-post-content li {
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.blog-post-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

.blog-post-content a:hover {
  color: var(--color-primary-dark);
}

.blog-post-content strong {
  font-weight: 600;
  color: var(--color-dark);
}

.blog-post-content figure {
  margin: var(--space-2xl) 0;
}

.blog-post-content figure img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.blog-post-content figure a {
  display: block;
  cursor: zoom-in;
}

.blog-post-placeholder {
  width: 100%;
  height: 320px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-post-placeholder span {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: #475569;
}

.blog-post-content figcaption {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.blog-post-content pre {
  background: var(--color-bg-dark);
  color: #e2e8f0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.blog-post-content pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
  border: none;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.blog-post-content pre[class*='language-'] {
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin: 0 0 var(--space-lg);
}

.blog-post-content .token.comment,
.blog-post-content .token.prolog {
  color: #64748b;
}
.blog-post-content .token.keyword {
  color: #c084fc;
}
.blog-post-content .token.function {
  color: #60a5fa;
}
.blog-post-content .token.string,
.blog-post-content .token.attr-value {
  color: #86efac;
}
.blog-post-content .token.number,
.blog-post-content .token.boolean {
  color: #fdba74;
}
.blog-post-content .token.property {
  color: #7dd3fc;
}
.blog-post-content .token.operator {
  color: #f0abfc;
}
.blog-post-content .token.punctuation {
  color: #94a3b8;
}

.blog-post-content code {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.4em;
  font-size: 0.9em;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

@media (max-width: 640px) {
  .blog-post-header h1 {
    font-size: var(--fs-3xl);
  }

  .blog-post-content pre {
    font-size: var(--fs-xs);
    padding: var(--space-md);
  }
}

/* ===== CONTACT ===== */
.contact {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

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

.contact-info h2 {
  color: var(--color-dark);
}

.contact-info > p {
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.7;
}

.contact-methods {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.contact-method-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.contact-method-text h4 {
  font-size: var(--fs-sm);
  color: var(--color-dark);
  margin-bottom: 2px;
}

.contact-method-text p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.contact-method-text a {
  color: var(--color-text-muted);
}

.contact-method-text a:hover {
  color: var(--color-primary-light);
}

.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75em 1em;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-dark);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  transition: border-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232, 117, 58, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn-primary {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-sm);
}

/* ===== FOOTER ===== */
.footer {
  position: relative;
  background: var(--color-bg-alt);
  border-top: none;
  padding: var(--space-2xl) 0;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-image: linear-gradient(90deg, var(--guides-color) 50%, transparent 50%);
  background-size: 10px 20px;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-logo img {
  height: 28px;
}

.footer-logo span {
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.footer-text {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* ===== LEGAL PAGES ===== */
.legal-page {
  position: relative;
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
  min-height: 60vh;
}

.legal-page h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-3xl);
}

.legal-page h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-dark);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-sm);
}

.legal-page p {
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.legal-page a {
  color: var(--color-primary);
  transition: color var(--transition);
}

.legal-page a:hover {
  color: var(--color-primary-dark);
}
/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  h1 {
    font-size: var(--fs-5xl);
  }
  h2 {
    font-size: var(--fs-3xl);
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
  }

  .hero > .container {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: calc(100svh - var(--header-height) - var(--space-2xl));
  }

  .hero-content {
    max-width: 100%;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-badges {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    width: 280px;
    height: 280px;
  }

  .hero-decoration-1 {
    width: 300px;
    height: 300px;
    right: -10px;
    top: -10px;
  }

  .hero-decoration-2 {
    width: 80px;
    height: 80px;
    bottom: -15px;
    left: 20px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio-item {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  .portfolio-item-metric {
    flex-direction: row;
    align-items: baseline;
    text-align: left;
    width: auto;
    padding: var(--space-md) 0 0;
    border-left: none;
    border-top: 1px solid var(--color-border);
    gap: var(--space-md);
  }
  .portfolio-item-metric-label {
    margin-top: 0;
  }
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about .container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .contact .container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--fs-4xl);
  }
  .section {
    padding: var(--space-3xl) 0;
  }

  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .certs-grid {
    grid-template-columns: 1fr 1fr;
  }
  .about-highlights {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }

  .portfolio-item {
    padding: var(--space-xl) var(--space-sm);
    gap: var(--space-md);
  }
  .portfolio-item:hover {
    padding-left: var(--space-md);
  }
  .portfolio-item-body h3 {
    font-size: var(--fs-lg);
  }
  .portfolio-item-metric-number {
    font-size: var(--fs-3xl);
  }

  .footer .container {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: var(--fs-3xl);
  }
  .container {
    padding: 0 var(--space-md);
  }
  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
}