/* ============================================================
   ATHENEOX STUDIOS — Main Stylesheet
   Monochromatic · Luxury · Performance
   ============================================================ */

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

:root {
  --black:    #080808;
  --gray-1:   #111111;
  --gray-2:   #1c1c1c;
  --gray-3:   #2e2e2e;
  --gray-4:   #4a4a4a;
  --gray-5:   #6e6e6e;
  --gray-6:   #9a9a9a;
  --gray-7:   #c4c4c0;
  --gray-8:   #e2e2de;
  --white:    #f0f0eb;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Montserrat', system-ui, sans-serif;

  --nav-h: 64px;
  --section-pad: 6rem 2rem;
  --max-w: 1120px;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }

/* ── Language Toggle ──────────────────────────────────────── */
body.lang-es [data-en] { display: none !important; }
body.lang-en [data-es] { display: none !important; }

/* ── Utility ──────────────────────────────────────────────── */
.inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  font-size: 0.625rem;
  letter-spacing: 0.35em;
  color: var(--gray-5);
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.divider {
  width: 36px;
  height: 0.5px;
  background: var(--gray-4);
  margin: 2rem 0;
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  padding: 14px 34px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  border: none;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--white);
  color: var(--black);
}
.btn-primary:hover { background: var(--gray-8); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 0.5px solid var(--gray-4);
}
.btn-outline:hover { border-color: var(--white); }

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(8, 8, 8, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 0.5px solid var(--gray-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
}

.nav-brand {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--white);
  line-height: 1.1;
}

.nav-brand small {
  display: block;
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--gray-5);
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--gray-6);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

.lang-btn {
  background: transparent;
  border: 0.5px solid var(--gray-4);
  color: var(--gray-6);
  font-family: var(--font-body);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 5px 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.lang-btn:hover { border-color: var(--white); color: var(--white); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 8rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 35%, rgba(255,255,255,0.025) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 0.5625rem;
  letter-spacing: 0.4em;
  color: var(--gray-5);
  font-weight: 600;
  margin-bottom: 2.5rem;
}

.hero-logo-wrap {
  width: 100px;
  height: 100px;
  margin: 0 auto 2.5rem;
}

.hero-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.hero-wordmark {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 6.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 1;
  color: var(--white);
}

.hero-sub {
  font-size: 0.625rem;
  letter-spacing: 0.5em;
  color: var(--gray-5);
  font-weight: 500;
  margin: 0.5rem 0 2.5rem;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 300;
  font-style: italic;
  color: var(--gray-6);
  max-width: 540px;
  line-height: 1.85;
  margin: 0 auto 3rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray-5);
  font-size: 0.5rem;
  letter-spacing: 0.25em;
  font-weight: 600;
}

.scroll-line {
  width: 0.5px;
  height: 44px;
  background: linear-gradient(to bottom, var(--gray-5), transparent);
}

/* ── Portfolio ────────────────────────────────────────────── */
#portfolio {
  padding: var(--section-pad);
  background: var(--gray-1);
}

.portfolio-header {
  margin-bottom: 3.5rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--gray-3);
}

.app-card {
  background: var(--gray-1);
  padding: 2.5rem;
  transition: background 0.25s var(--ease);
  display: flex;
  flex-direction: column;
  min-height: 260px;
}

.app-card:hover { background: var(--gray-2); }

.app-tag {
  font-size: 0.5625rem;
  letter-spacing: 0.28em;
  color: var(--gray-5);
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.app-name {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 400;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.app-desc {
  font-size: 0.75rem;
  color: var(--gray-6);
  line-height: 1.85;
  flex: 1;
  margin-bottom: 1.5rem;
}

.app-arrow {
  font-size: 1.1rem;
  color: var(--gray-5);
  transition: all 0.2s var(--ease);
  display: inline-block;
  align-self: flex-start;
}

.app-card:hover .app-arrow {
  color: var(--white);
  transform: translateX(5px);
}

/* Featured card — full width */
.app-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
  padding: 0;
}

.app-card--featured .app-card-main {
  padding: 2.5rem;
  border-right: 1px solid var(--gray-3);
  display: flex;
  flex-direction: column;
}

.app-card--featured .app-card-main .app-name {
  font-size: 3.5rem;
}

.app-card--featured .app-card-side {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.app-monogram {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 300;
  color: var(--gray-3);
  line-height: 1;
  flex: 1;
  display: flex;
  align-items: center;
}

.app-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tag {
  font-size: 0.5rem;
  letter-spacing: 0.18em;
  color: var(--gray-5);
  border: 0.5px solid var(--gray-3);
  padding: 3px 9px;
  font-weight: 600;
}

.app-badge {
  display: inline-block;
  font-size: 0.5rem;
  letter-spacing: 0.18em;
  color: var(--gray-5);
  border: 0.5px solid var(--gray-3);
  padding: 3px 10px;
  margin-bottom: 1rem;
  font-weight: 600;
}

/* ── Services ─────────────────────────────────────────────── */
#servicios {
  padding: var(--section-pad);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-top: 3.5rem;
}

.service-item {
  border-top: 0.5px solid var(--gray-3);
  padding-top: 1.5rem;
}

.service-icon {
  font-size: 1.25rem;
  color: var(--gray-4);
  margin-bottom: 1rem;
  display: block;
  font-style: normal;
}

.service-name {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.service-desc {
  font-size: 0.75rem;
  color: var(--gray-6);
  line-height: 1.85;
}

/* ── Testimonials ─────────────────────────────────────────── */
#testimonios {
  padding: var(--section-pad);
  background: var(--gray-1);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.testimonial {
  border: 0.5px solid var(--gray-3);
  padding: 2rem;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--gray-7);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-size: 0.5625rem;
  letter-spacing: 0.2em;
  color: var(--gray-5);
  font-weight: 700;
}

.testimonial-role {
  font-size: 0.625rem;
  color: var(--gray-5);
  margin-top: 3px;
  letter-spacing: 0.05em;
}

/* ── About ────────────────────────────────────────────────── */
#about {
  padding: var(--section-pad);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-top: 3.5rem;
}

.about-visual {
  aspect-ratio: 1;
  background: var(--gray-2);
  border: 0.5px solid var(--gray-3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.about-text p {
  font-size: 0.8125rem;
  color: var(--gray-6);
  line-height: 2;
  margin-bottom: 1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-item {
  border-top: 0.5px solid var(--gray-3);
  padding-top: 1rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 300;
  color: var(--white);
  line-height: 1;
}

.stat-label {
  font-size: 0.5625rem;
  color: var(--gray-5);
  letter-spacing: 0.12em;
  margin-top: 5px;
  font-weight: 600;
}

/* ── Blog ─────────────────────────────────────────────────── */
#blog {
  padding: var(--section-pad);
  background: var(--gray-1);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--gray-3);
  margin-top: 3.5rem;
}

.blog-card {
  background: var(--gray-1);
  padding: 2rem;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}
.blog-card:hover { background: var(--gray-2); }

.blog-date {
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  color: var(--gray-5);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.blog-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.blog-excerpt {
  font-size: 0.75rem;
  color: var(--gray-6);
  line-height: 1.85;
}

/* ── Contact ──────────────────────────────────────────────── */
#contacto {
  padding: var(--section-pad);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  margin-top: 3.5rem;
}

.contact-intro {
  font-size: 0.8125rem;
  color: var(--gray-6);
  line-height: 2;
  margin-bottom: 2.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  font-size: 0.75rem;
  color: var(--gray-6);
}

.contact-item strong {
  font-size: 0.5625rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.12em;
  min-width: 72px;
  padding-top: 2px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-label {
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  color: var(--gray-5);
  font-weight: 600;
}

.form-input,
.form-textarea {
  background: var(--gray-2);
  border: 0.5px solid var(--gray-3);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  resize: vertical;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--gray-6);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-4);
}

.form-textarea {
  height: 130px;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--gray-1);
  border-top: 0.5px solid var(--gray-3);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-brand {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--gray-5);
  margin-bottom: 0.5rem;
}

.footer-copy {
  font-size: 0.625rem;
  color: var(--gray-5);
  letter-spacing: 0.1em;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .app-card--featured {
    grid-template-columns: 1fr;
  }
  .app-card--featured .app-card-main {
    border-right: none;
    border-bottom: 1px solid var(--gray-3);
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-visual {
    max-width: 320px;
  }
}

@media (max-width: 640px) {
  :root { --section-pad: 4rem 1.25rem; }
  .nav { padding: 0 1.25rem; }
  .nav-links li:not(:last-child) { display: none; }
  .hero-cta { flex-direction: column; align-items: center; }
}

/* ── Scroll reveal (optional JS enhancement) ──────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}