/* ============================================
   PrymeLabs — Minimalist Landing Page
   Black & White Theme
   ============================================ */

/* ---------- Reset & Base ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

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

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  background: var(--white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav__logo-icon svg {
  width: 18px;
  height: 18px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--gray-400);
  transition: var(--transition);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: var(--transition);
}

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

.nav__links a:hover::after {
  width: 100%;
}

.nav__cta {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 10px 24px;
  background: var(--white);
  color: var(--black);
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}

.nav__cta:hover {
  background: var(--gray-200);
  transform: translateY(-1px);
}

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

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

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero__bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero__content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--gray-400);
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__badge span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--white);
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2.5px;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__title em {
  font-style: normal;
  color: var(--gray-500);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--gray-400);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

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

.btn--primary:hover {
  background: var(--gray-200);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.1);
}

.btn--secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn--secondary:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* ---------- Section Shared ---------- */
.section {
  padding: 120px 0;
}

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

.section__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.section--white .section__label {
  color: var(--gray-400);
}

.section__heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section__desc {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--gray-400);
  max-width: 540px;
  line-height: 1.7;
}

.section--white .section__desc {
  color: var(--gray-500);
}

/* ---------- About / What We Do ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 64px;
}

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

.about__visual {
  position: relative;
  height: 400px;
  background: var(--gray-900);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.about__visual-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 1px;
  padding: 24px;
  opacity: 0.4;
}

.about__visual-cell {
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  transition: var(--transition);
}

.about__visual-cell:nth-child(7),
.about__visual-cell:nth-child(14),
.about__visual-cell:nth-child(22),
.about__visual-cell:nth-child(28) {
  background: rgba(255, 255, 255, 0.06);
}

.about__visual-text {
  position: absolute;
  bottom: 32px;
  left: 32px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* ---------- Services ---------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.service-card {
  padding: 40px 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--black);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

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

.service-card__icon {
  width: 48px;
  height: 48px;
  background: var(--black);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

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

.service-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ---------- Process ---------- */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.process-step__number {
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.06);
  margin-bottom: 16px;
  letter-spacing: -2px;
}

.process-step__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.process-step__desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.process-step__connector {
  position: absolute;
  top: 50%;
  right: -16px;
  width: 32px;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.process-step:last-child .process-step__connector {
  display: none;
}

/* ---------- Work / Projects ---------- */
.work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.work-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
  aspect-ratio: 16 / 10;
  cursor: pointer;
  transition: var(--transition);
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.1);
}

.work-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.work-card:hover .work-card__image {
  transform: scale(1.03);
}

.work-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
}

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

.work-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.work-card__type {
  font-size: 0.8125rem;
  color: var(--gray-300);
  font-weight: 300;
}

/* ---------- Testimonials ---------- */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.testimonial-card {
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
}

.testimonial-card__quote {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--gray-300);
  margin-bottom: 32px;
}

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

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
}

.testimonial-card__name {
  font-size: 0.875rem;
  font-weight: 500;
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ---------- CTA ---------- */
.cta {
  text-align: center;
  padding: 120px 24px;
  position: relative;
}

.cta__heading {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.cta__desc {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--gray-400);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 40px;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 64px;
}

.footer__brand {
  max-width: 280px;
}

.footer__brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.footer__brand-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.footer__columns {
  display: flex;
  gap: 80px;
}

.footer__column-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.footer__column ul li {
  margin-bottom: 12px;
}

.footer__column ul li a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: var(--transition);
}

.footer__column ul li a:hover {
  color: var(--white);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--gray-600);
}

.footer__socials {
  display: flex;
  gap: 20px;
}

.footer__socials a {
  color: var(--gray-500);
  transition: var(--transition);
}

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

.footer__socials svg {
  width: 18px;
  height: 18px;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 968px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

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

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

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

  .process-step__connector {
    display: none !important;
  }

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

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

  .footer__top {
    flex-direction: column;
    gap: 48px;
  }

  .footer__columns {
    gap: 48px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 80px 0;
  }

  .hero {
    padding: 100px 24px 60px;
  }

  .hero__actions {
    flex-direction: column;
  }

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

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

  .footer__columns {
    flex-direction: column;
    gap: 32px;
  }

  .cta__actions {
    flex-direction: column;
  }
}