/* ==========================================================================
   Merjek, Inc. — Corporate Website Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Variables
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-primary: #C41E3A;
  --color-primary-dark: #9E1830;
  --color-primary-light: #E8334F;
  --color-white: #FFFFFF;
  --color-dark: #1A1A1A;
  --color-gray-900: #2D2D2D;
  --color-gray-700: #4A4A4A;
  --color-gray-500: #737373;
  --color-gray-300: #D4D4D4;
  --color-gray-100: #F5F5F5;
  --color-bg: #FAFAFA;
  --color-bg-alt: #F0F0F0;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #C41E3A 0%, #9E1830 50%, #7A1225 100%);
  --gradient-hero: linear-gradient(135deg, #FAFAFA 0%, #F5E6E9 40%, #FAFAFA 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.5rem;
  --line-height-tight: 1.15;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 7rem;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --header-height: 80px;
  --header-height-scrolled: 64px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 4px 24px rgba(196, 30, 58, 0.08);
  --shadow-card-hover: 0 16px 48px rgba(196, 30, 58, 0.15);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: blur(20px);
}

/* --------------------------------------------------------------------------
   Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-700);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
  overflow: hidden;
}

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

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

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

ul {
  list-style: none;
}

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

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

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark);
  font-weight: 700;
  line-height: var(--line-height-tight);
}

h1 { font-size: clamp(2.25rem, 5vw, var(--font-size-5xl)); }
h2 { font-size: clamp(1.75rem, 3.5vw, var(--font-size-4xl)); }
h3 { font-size: clamp(1.125rem, 2vw, var(--font-size-xl)); }

p {
  margin-bottom: var(--space-sm);
}

p:last-child {
  margin-bottom: 0;
}

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

.section {
  padding: var(--space-3xl) 0;
}

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

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
}

.section__divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  margin: 0 auto;
}

.section__divider--left {
  margin: var(--space-md) 0;
}

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

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(196, 30, 58, 0.35);
}

.btn--primary:hover {
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196, 30, 58, 0.45);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-dark);
  border-color: var(--color-gray-300);
}

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

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

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

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

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

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-base);
}

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

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.1) 0%, rgba(196, 30, 58, 0.05) 100%);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.card__icon svg,
.card__icon i {
  width: 24px;
  height: 24px;
  font-size: 1.35rem;
  line-height: 1;
}

.card__icon--product {
  width: 56px;
  height: 56px;
}

.card__title {
  margin-bottom: var(--space-xs);
}

.card__text {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-md);
}

.card__btn {
  margin-top: auto;
}

.card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: auto;
  padding-top: var(--space-sm);
}

.card__actions .btn {
  flex: 1;
  min-width: fit-content;
}

.card--product {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card--product::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.card--product:hover::before {
  transform: scaleX(1);
}

.card--portfolio {
  padding: 0;
  overflow: hidden;
}

.card--portfolio:hover {
  transform: translateY(-8px);
}

.card--why {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.card--why .card__icon {
  margin: 0 auto var(--space-md);
}

.card--testimonial {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 260px;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: rgba(196, 30, 58, 0.08);
  border-radius: var(--border-radius-full);
  margin-bottom: var(--space-sm);
}

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

.tag {
  padding: 0.25rem 0.625rem;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-gray-700);
  background: var(--color-gray-100);
  border-radius: var(--border-radius-full);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: height var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  height: var(--header-height-scrolled);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow-sm);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1002;
  line-height: 0;
}

.nav__logo-img {
  display: block;
  height: 40px;
  width: 150px;
  max-width: none;
  object-fit: contain;
  object-position: left center;
  transition: transform var(--transition-fast);
}

.nav__logo:hover .nav__logo-img {
  transform: scale(1.02);
}

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

.nav__link {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
  background: rgba(196, 30, 58, 0.06);
}

.nav__cta {
  flex-shrink: 0;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--border-radius);
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 1001;
  width: 0%;
  transition: width 0.1s linear;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

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

.hero__gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  animation: gradientShift 12s ease infinite;
  background-size: 200% 200%;
}

.hero__shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: float 20s ease-in-out infinite;
}

.hero__shape--1 {
  width: 400px;
  height: 400px;
  background: rgba(196, 30, 58, 0.15);
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.hero__shape--2 {
  width: 300px;
  height: 300px;
  background: rgba(196, 30, 58, 0.1);
  bottom: 20%;
  left: 5%;
  animation-delay: -5s;
}

.hero__shape--3 {
  width: 200px;
  height: 200px;
  background: rgba(158, 24, 48, 0.12);
  top: 50%;
  left: 40%;
  animation-delay: -10s;
}

.hero__shape--4 {
  width: 150px;
  height: 150px;
  background: rgba(196, 30, 58, 0.08);
  bottom: 30%;
  right: 30%;
  animation-delay: -15s;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding-block: var(--space-2xl);
}

.hero__eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.hero__title {
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, var(--font-size-lg));
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
  max-width: 680px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   Introduction
   -------------------------------------------------------------------------- */
.intro .section__header {
  max-width: none;
}

.intro__content {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.intro__lead {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   Process Timeline
   -------------------------------------------------------------------------- */
.timeline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  position: relative;
  padding: var(--space-lg) 0;
}

.timeline__track {
  position: absolute;
  top: 52px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gray-300));
  z-index: 0;
}

.timeline__step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 var(--space-xs);
}

.timeline__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  background: var(--gradient-primary);
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(196, 30, 58, 0.3);
  transition: transform var(--transition-base);
}

.timeline__step:hover .timeline__number {
  transform: scale(1.1);
}

.timeline__title {
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-base);
}

.timeline__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.timeline__connector {
  display: none;
}

/* --------------------------------------------------------------------------
   Portfolio
   -------------------------------------------------------------------------- */
.portfolio__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.portfolio__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gray-100) 0%, rgba(196, 30, 58, 0.06) 100%);
  color: var(--color-gray-300);
}

.portfolio__placeholder svg {
  width: 48px;
  height: 48px;
}

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

/* --------------------------------------------------------------------------
   Technologies
   -------------------------------------------------------------------------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.tech-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-white);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: default;
}

.tech-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(196, 30, 58, 0.2);
  box-shadow: var(--shadow-card);
  background: linear-gradient(135deg, var(--color-white) 0%, rgba(196, 30, 58, 0.03) 100%);
}

.tech-card__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
  text-align: center;
}

/* --------------------------------------------------------------------------
   About & Statistics
   -------------------------------------------------------------------------- */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about__content p {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-md);
}

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

.stat {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-base);
}

.stat:hover {
  transform: translateY(-4px);
}

.stat__number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat__number--text {
  font-size: var(--font-size-2xl);
}

.stat__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
}

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

.about-highlight {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.about-highlight__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.1) 0%, rgba(196, 30, 58, 0.04) 100%);
  border-radius: var(--border-radius);
  color: var(--color-primary);
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

.about-highlight__title {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xs);
}

.about-highlight__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------------- */
.testimonial__quote {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.testimonial__quote::before {
  content: '\201C';
  font-size: 2rem;
  color: var(--color-primary);
  line-height: 0;
  display: block;
  margin-bottom: var(--space-sm);
}

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

.testimonial__avatar {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  background: var(--gradient-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.testimonial__name {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--color-dark);
  font-size: var(--font-size-sm);
}

.testimonial__role {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   Call to Action
   -------------------------------------------------------------------------- */
.cta {
  padding: var(--space-3xl) 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.cta__inner {
  position: relative;
  text-align: center;
  max-width: 720px;
}

.cta__title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta__text {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact__card {
  max-width: 520px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.contact__label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.contact__item p {
  color: var(--color-dark);
  font-weight: 500;
}

.contact__addresses {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__address-type {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.contact__form {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

.form__input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.form__input.error {
  border-color: var(--color-primary);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__error {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  margin-top: var(--space-xs);
  min-height: 1rem;
}

.form__success {
  margin-top: var(--space-md);
  padding: var(--space-sm);
  background: rgba(196, 30, 58, 0.08);
  color: var(--color-primary-dark);
  border-radius: var(--border-radius);
  font-weight: 500;
  text-align: center;
}

.contact__map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  min-height: 320px;
}

.map__placeholder {
  width: 100%;
  height: 100%;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--border-radius-lg);
}

.map__placeholder svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.map__note {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-300);
  padding: var(--space-lg) 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-md);
  align-items: center;
}

.footer__brand {
  grid-column: 1;
  justify-self: start;
}

.footer__meta {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  text-align: center;
  justify-self: center;
}

.footer__links {
  grid-column: 3;
  justify-self: end;
}

.footer__tagline {
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  max-width: 260px;
  line-height: var(--line-height-normal);
}

.footer__logo {
  display: block;
  height: 28px;
  width: auto;
  max-width: 105px;
  object-fit: contain;
}

.footer__heading {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.footer__links ul {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}

.footer__links a {
  color: var(--color-gray-300);
  font-size: var(--font-size-xs);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__copyright {
  font-size: var(--font-size-xs);
}

/* --------------------------------------------------------------------------
   Scroll to Top
   -------------------------------------------------------------------------- */
.scroll-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(196, 30, 58, 0.4);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------------------------------------
   Loader
   -------------------------------------------------------------------------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__inner {
  text-align: center;
}

.loader__logo {
  display: block;
  margin: 0 auto var(--space-md);
  height: 40px;
  width: auto;
  animation: pulse 1.5s ease-in-out infinite;
}

.loader__bar {
  width: 120px;
  height: 3px;
  background: var(--color-gray-100);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  margin: 0 auto;
}

.loader__progress {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  animation: loadProgress 1.2s ease forwards;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(20px, -30px) rotate(5deg); }
  50% { transform: translate(-10px, 20px) rotate(-3deg); }
  75% { transform: translate(15px, 10px) rotate(2deg); }
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(0.3); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.98); }
}

@keyframes loadProgress {
  0% { width: 0%; }
  100% { width: 100%; }
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(2) { animation-delay: 0.15s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.45s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered reveal for grid children */
.grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.grid .reveal:nth-child(4) { transition-delay: 0.3s; }
.grid .reveal:nth-child(5) { transition-delay: 0.4s; }
.grid .reveal:nth-child(6) { transition-delay: 0.5s; }
.grid .reveal:nth-child(7) { transition-delay: 0.6s; }

/* --------------------------------------------------------------------------
   Software Portfolio
   -------------------------------------------------------------------------- */
.portfolio-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.portfolio-stat {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.portfolio-stat:hover {
  transform: translateY(-4px);
}

.portfolio-stat__number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.portfolio-stat__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

.portfolio-toolbar {
  margin-bottom: var(--space-xl);
}

.portfolio-search {
  position: relative;
  margin-bottom: var(--space-md);
}

.portfolio-search__icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-500);
  pointer-events: none;
}

.portfolio-search__input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-full);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.portfolio-search__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

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

.portfolio-filter {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
}

.portfolio-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.portfolio-filter.active {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(196, 30, 58, 0.25);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.portfolio-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.portfolio-card:hover,
.portfolio-card:focus-visible {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  outline: none;
}

.portfolio-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--product-accent, var(--color-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.portfolio-card:hover .portfolio-card__accent,
.portfolio-card:focus-visible .portfolio-card__accent {
  transform: scaleX(1);
}

.portfolio-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.1) 0%, rgba(196, 30, 58, 0.04) 100%);
  border-radius: var(--border-radius);
  color: var(--product-accent, var(--color-primary));
  font-size: 1.35rem;
  margin-bottom: var(--space-md);
}

.portfolio-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.portfolio-card__category {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.portfolio-card__status {
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 0.2rem 0.625rem;
  border-radius: var(--border-radius-full);
}

.status--production,
.status--active {
  background: rgba(46, 125, 50, 0.1);
  color: #2E7D32;
}

.status--development {
  background: rgba(239, 108, 0, 0.1);
  color: #EF6C00;
}

.status--planning {
  background: rgba(97, 97, 97, 0.1);
  color: #616161;
}

.status--pilot {
  background: rgba(21, 101, 192, 0.1);
  color: #1565C0;
}

.status--research {
  background: rgba(106, 27, 154, 0.1);
  color: #6A1B9A;
}

.status--default {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.portfolio-card__name {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.portfolio-card__tagline {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.portfolio-card__industry {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-gray-500);
  margin-bottom: var(--space-sm);
}

.portfolio-card__summary {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: var(--line-height-relaxed);
  flex-grow: 1;
  margin-bottom: var(--space-md);
}

.portfolio-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.portfolio-card:hover .portfolio-card__cta {
  gap: 0.75rem;
}

.portfolio-empty,
.portfolio-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-2xl);
  color: var(--color-gray-500);
  font-size: var(--font-size-lg);
}

.portfolio-empty i,
.portfolio-error i {
  display: block;
  font-size: 2rem;
  color: var(--color-gray-300);
  margin-bottom: var(--space-sm);
}

.portfolio-error {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Product Modal
   -------------------------------------------------------------------------- */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.product-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.product-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.product-modal__container {
  position: relative;
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-modal.is-open .product-modal__container {
  transform: scale(1) translateY(0);
}

.product-modal__dialog {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.product-modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  font-size: 1.25rem;
  color: var(--color-gray-700);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.product-modal__close:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.modal-header {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  padding-right: calc(var(--space-xl) + 48px);
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.06) 0%, var(--color-white) 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.modal-header__icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  font-size: 2rem;
  color: var(--product-accent, var(--color-primary));
  box-shadow: var(--shadow-md);
}

.modal-header__name {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xs);
}

.modal-header__tagline {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--space-md);
}

.modal-header__owner {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
}

.modal-header__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--border-radius-full);
  background: rgba(196, 30, 58, 0.08);
  color: var(--color-primary);
}

.modal-badge--industry {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.modal-body {
  padding: var(--space-xl);
}

.modal-section {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-gray-100);
}

.modal-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.modal-section__title {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--color-dark);
}

.modal-section__title i {
  color: var(--color-primary);
  font-size: 1rem;
}

.modal-section__text {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
}

.modal-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xs) var(--space-md);
  margin-top: var(--space-md);
}

.modal-services li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.modal-services li i {
  color: var(--color-primary);
  font-size: 0.75rem;
}

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

.modal-feature {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-dark);
  opacity: 0;
  transform: translateX(-10px);
  animation: featureSlideIn 0.4s ease forwards;
}

.modal-feature i {
  color: var(--color-primary);
  flex-shrink: 0;
}

@keyframes featureSlideIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.modal-tag {
  padding: 0.4rem 0.875rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border-radius: var(--border-radius-full);
}

.modal-tag--industry {
  background: rgba(196, 30, 58, 0.08);
  color: var(--color-primary);
}

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

.modal-highlight {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.modal-highlight:hover {
  transform: translateY(-2px);
}

.modal-highlight i {
  color: var(--color-primary);
}

.modal-status {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: var(--border-radius-full);
}

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

.modal-impact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.04) 0%, var(--color-white) 100%);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
}

.modal-impact li i {
  color: var(--color-primary);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.modal-section--cta {
  text-align: center;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .modal-services,
  .modal-features,
  .modal-highlights {
    grid-template-columns: 1fr;
  }

  .timeline {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
  }

  .timeline__track {
    display: none;
  }

  .timeline__step {
    flex: 0 0 calc(33.333% - var(--space-md));
    min-width: 160px;
  }

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

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

  .contact__map {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-xl) var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    gap: var(--space-xs);
  }

  .header.scrolled .nav__menu {
    top: var(--header-height-scrolled);
  }

  .nav__menu.open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: var(--font-size-lg);
    padding: var(--space-sm) var(--space-md);
    width: 100%;
    text-align: center;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta {
    display: none;
  }

  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

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

  .portfolio-stats {
    grid-template-columns: 1fr 1fr;
  }

  .modal-header {
    flex-direction: column;
    padding-right: var(--space-xl);
  }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline__step {
    flex: 0 0 calc(50% - var(--space-md));
  }
}

@media (max-width: 640px) {
  :root {
    --space-3xl: 4rem;
    --space-2xl: 3rem;
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .grid--4 {
    grid-template-columns: 1fr;
  }

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

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

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

  .timeline__step {
    flex: 0 0 100%;
  }

  .timeline__connector {
    display: block;
    text-align: center;
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    padding: var(--space-xs) 0;
  }

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

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }

  .footer__brand,
  .footer__meta,
  .footer__links {
    grid-column: 1;
    justify-self: center;
  }

  .footer__tagline {
    margin: var(--space-xs) auto 0;
  }

  .footer__links ul {
    justify-content: center;
  }

  .scroll-top {
    bottom: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
  }
}

@media (min-width: 1600px) {
  .container {
    max-width: var(--container-wide);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}