/* ===================================
   HCK Technologies - Corporate Site
   =================================== */

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

:root {
  --color-primary: #4ec5c1;
  --color-primary-dark: #3aafa9;
  --color-primary-light: #7dd8d5;
  --color-accent: #56c8d8;
  --color-dark: #0f172a;
  --color-dark-2: #1e293b;
  --color-dark-3: #334155;
  --color-gray: #64748b;
  --color-gray-light: #94a3b8;
  --color-light: #f1f5f9;
  --color-white: #ffffff;
  --color-border: #e2e8f0;

  --gradient-brand: linear-gradient(135deg, #4ec5c1, #56c8d8, #6dd5ed);
  --gradient-dark: linear-gradient(135deg, #0f172a, #1e293b);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12);
  --shadow-glow: 0 0 30px rgba(78,197,193,.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-dark);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Section Headers --- */
.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section__label {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 18px;
  color: var(--color-gray);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-brand);
  color: var(--color-white);
  border-color: transparent;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn--outline {
  border-color: rgba(255,255,255,.4);
  color: var(--color-white);
  background: transparent;
}

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

.btn--white {
  background: var(--color-white);
  color: var(--color-dark);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

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

/* =========================
   Header / Navigation
   ========================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo img {
  height: 40px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-dark-3);
  border-radius: var(--radius-sm);
}

.nav__link:hover {
  color: var(--color-primary-dark);
  background: rgba(78,197,193,.08);
}

.nav__link--cta {
  background: var(--gradient-brand);
  color: var(--color-white) !important;
  padding: 10px 24px;
  font-weight: 600;
  margin-left: 8px;
}

.nav__link--cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
  background: var(--gradient-brand) !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* =========================
   Hero
   ========================= */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  background: var(--color-dark);
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 680px;
}

.hero__label {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5.5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero__description {
  font-size: 19px;
  color: var(--color-gray-light);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  gap: 48px;
}

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

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-white);
}

.hero__stat-label {
  font-size: 14px;
  color: var(--color-gray-light);
}


/* =========================
   Services
   ========================= */
.services {
  padding: 100px 0;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(78,197,193,.1);
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.service-card__text {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.service-card__list li {
  font-size: 14px;
  color: var(--color-dark-3);
  padding-left: 20px;
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

.service-card--cta {
  background: var(--color-light);
  border: 2px dashed var(--color-border);
  text-align: center;
  align-items: center;
}

.service-card--cta:hover {
  border-color: var(--color-primary);
  border-style: solid;
}

/* =========================
   AI Section
   ========================= */
.ai-section {
  padding: 100px 0;
  background: var(--color-dark);
  color: var(--color-white);
}

.ai-section__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.ai-section .section__title {
  color: var(--color-white);
}

.ai-section__text {
  font-size: 16px;
  color: var(--color-gray-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.ai-section__features {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.ai-feature {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
}

.ai-feature:hover {
  background: rgba(78,197,193,.06);
  border-color: rgba(78,197,193,.2);
  transform: translateY(-2px);
}

.ai-feature__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(78,197,193,.12);
  color: var(--color-primary-light);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.ai-feature h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 6px;
}

.ai-feature p {
  font-size: 14px;
  color: var(--color-gray-light);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .ai-section__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* =========================
   About
   ========================= */
.about {
  padding: 100px 0;
  background: var(--color-light);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.about__text {
  font-size: 16px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 36px;
}

.about__value {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about__value-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(78,197,193,.12);
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
}

.about__value h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.about__value p {
  font-size: 14px;
  color: var(--color-gray);
}

.about__visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 100px;
}

.about__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.about__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.about__card-number {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.about__card-text {
  font-size: 14px;
  color: var(--color-gray);
  font-weight: 500;
}

/* =========================
   Industries Ticker
   ========================= */
.industries {
  padding: 48px 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.industries__label {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-gray-light);
  margin-bottom: 24px;
}

.industries__ticker {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.industries__track {
  display: flex;
  align-items: center;
  gap: 20px;
  white-space: nowrap;
  animation: ticker 35s linear infinite;
  width: max-content;
}

.industries__item {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark-3);
}

.industries__divider {
  color: var(--color-primary-light);
  font-size: 10px;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =========================
   Portfolio
   ========================= */
.portfolio {
  padding: 100px 0;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.portfolio-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: var(--transition);
  display: block;
}

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

.portfolio-card__image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.portfolio-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-card__image img {
  transform: scale(1.05);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,23,42,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card__visit {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-white);
  padding: 12px 28px;
  border: 2px solid var(--color-white);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-card__visit {
  background: var(--color-white);
  color: var(--color-dark);
}

.portfolio-card__info {
  padding: 28px;
}

.portfolio-card__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.portfolio-card__desc {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 16px;
}

.portfolio-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.portfolio-card__tags span {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  background: rgba(78,197,193,.1);
  color: var(--color-primary-dark);
  border-radius: 20px;
}

.portfolio__footer {
  margin-top: 56px;
  text-align: center;
}

.portfolio__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 36px;
  padding: 40px;
  background: var(--color-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.portfolio__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.portfolio__stat-number {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.portfolio__stat-text {
  font-size: 13px;
  color: var(--color-gray);
  font-weight: 500;
}

.portfolio__note {
  font-size: 15px;
  color: var(--color-gray);
  margin-bottom: 20px;
  font-style: italic;
}

@media (max-width: 768px) {
  .portfolio__stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 28px;
  }
}

/* =========================
   Process
   ========================= */
.process {
  padding: 100px 0;
  background: var(--color-dark);
}

.process .section__label {
  color: var(--color-primary-light);
}

.process .section__title {
  color: var(--color-white);
}

.process .section__subtitle {
  color: var(--color-gray-light);
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.process-step {
  text-align: center;
  padding: 32px 24px;
}

.process-step__number {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1;
}

.process-step__title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.process-step__text {
  font-size: 14px;
  color: var(--color-gray-light);
  line-height: 1.7;
}

/* =========================
   Testimonials
   ========================= */
.testimonials {
  padding: 100px 0;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: var(--transition);
}

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

.testimonial-card__stars {
  color: #f59e0b;
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-card__text {
  font-size: 15px;
  color: var(--color-dark-3);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-white);
}

.testimonial-card__name {
  font-family: var(--font-heading);
  font-style: normal;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-dark);
  display: block;
}

.testimonial-card__role {
  font-size: 13px;
  color: var(--color-gray);
}

/* =========================
   CTA Banner
   ========================= */
.cta-banner {
  padding: 80px 0;
  background: var(--gradient-brand);
  text-align: center;
}

.cta-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-banner__text {
  font-size: 18px;
  color: rgba(255,255,255,.9);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* =========================
   Contact
   ========================= */
.contact {
  padding: 100px 0;
  background: var(--color-light);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact__text {
  font-size: 16px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-dark-3);
  font-size: 15px;
}

.contact__detail svg {
  color: var(--color-primary);
  min-width: 20px;
}

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

.contact__form {
  background: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.form__label span {
  color: var(--color-primary);
}

.form__input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-dark);
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  outline: none;
}

.form__input::placeholder {
  color: var(--color-gray-light);
}

.form__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(78,197,193,.15);
  background: var(--color-white);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

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

.form__disclaimer {
  font-size: 12px;
  color: var(--color-gray-light);
  text-align: center;
  margin-top: 16px;
}

/* =========================
   Footer
   ========================= */
.footer {
  padding: 64px 0 0;
  background: var(--color-dark);
  color: var(--color-gray-light);
}

.footer__main {
  display: flex;
  justify-content: space-between;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-dark-3);
}

.footer__brand {
  max-width: 360px;
}

.footer__logo {
  height: 36px;
  width: auto;
  margin-bottom: 16px;
}

.footer__tagline {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray-light);
}

.footer__links {
  display: flex;
  gap: 64px;
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a {
  font-size: 14px;
  color: var(--color-gray-light);
}

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

.footer__bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-gray);
}

/* =========================
   Back to Top
   ========================= */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}

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

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* =========================
   Animations
   ========================= */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* =========================
   Responsive
   ========================= */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .about__container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__visual {
    position: static;
    flex-direction: row;
  }

  .about__card {
    flex: 1;
  }
}

@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    z-index: 999;
  }

  .nav__menu--open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav__toggle--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav__link--cta {
    margin-left: 0;
    text-align: center;
    margin-top: 8px;
  }

  .hero {
    padding: 120px 0 72px;
  }

  .hero__stats {
    gap: 32px;
  }

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

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

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

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

  .contact__container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact__form {
    padding: 28px;
  }

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

  .footer__main {
    flex-direction: column;
    gap: 40px;
  }

  .footer__links {
    gap: 40px;
  }

  .about__visual {
    flex-direction: column;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero__stat {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
  }

  .cta-banner {
    padding: 56px 0;
  }
}