/* ============================================
   Creative App Solutions — Main Stylesheet
   Aesthetic: Refined tech-warmth. Dark heroes,
   warm coral accent, editorial typography.
   ============================================ */

/* --- Custom Properties --- */
:root {
  /* Palette */
  --bg-dark: #0C0C0E;
  --bg-dark-elevated: #16161A;
  --bg-light: #FAF9F7;
  --bg-white: #FFFFFF;

  --accent: #E8553A;
  --accent-hover: #D44A32;
  --accent-glow: rgba(232, 85, 58, .25);
  --accent-secondary: #F4A623;

  --text-on-dark: #F0EDE8;
  --text-on-dark-muted: #8A877F;
  --text-on-light: #1A1A1C;
  --text-muted: #6B6B73;

  --border-light: #E8E6E1;
  --border-dark: #2A2A2E;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;

  /* Spacing */
  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Sizing */
  --nav-height: 72px;
  --max-width: 1200px;
  --radius: 14px;
  --radius-sm: 8px;

  /* Transitions */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--bg-dark);
  overscroll-behavior: none;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-on-light);
  background: var(--bg-light);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background .4s var(--ease-out),
              box-shadow .4s var(--ease-out),
              backdrop-filter .4s var(--ease-out);
}

.nav.scrolled {
  background: rgba(12, 12, 14, .85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: 0 1px 0 var(--border-dark);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-on-dark);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav__logo span {
  color: var(--accent);
}

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

.nav__link {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  transition: color .3s var(--ease-out);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width .3s var(--ease-out);
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-on-dark);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--text-on-dark);
  border-radius: 2px;
  transition: transform .35s var(--ease-out),
              opacity .25s var(--ease-out);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile overlay */
.nav__overlay {
  display: none;
}

/* ============================================
   HERO — Home
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
  overflow: hidden;
}

/* Animated gradient mesh */
.hero__bg {
  position: absolute;
  inset: 0;
  opacity: .5;
  background:
    radial-gradient(ellipse 80% 60% at 20% 60%, rgba(232, 85, 58, .18), transparent),
    radial-gradient(ellipse 60% 80% at 80% 30%, rgba(244, 166, 35, .12), transparent),
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(22, 22, 26, 1), transparent);
  animation: heroShift 12s ease-in-out infinite alternate;
}

@keyframes heroShift {
  0%   { transform: scale(1)   translate(0, 0); }
  100% { transform: scale(1.1) translate(-2%, 3%); }
}

/* Dot grid overlay */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240, 237, 232, .07) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero__label::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(.8); }
}

.hero__title {
  color: var(--text-on-dark);
  margin-bottom: var(--space-sm);
}

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

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-on-dark-muted);
  max-width: 560px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  padding: 1rem 2.2rem;
  border-radius: 60px;
  transition: transform .35s var(--ease-spring),
              box-shadow .35s var(--ease-out),
              background .3s var(--ease-out);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn__arrow {
  transition: transform .3s var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ============================================
   PAGE HERO — About / Contact
   ============================================ */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-xl);
  background: var(--bg-dark);
  overflow: hidden;
  text-align: center;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  opacity: .4;
  background:
    radial-gradient(ellipse 60% 80% at 30% 70%, rgba(232, 85, 58, .15), transparent),
    radial-gradient(ellipse 60% 60% at 70% 20%, rgba(244, 166, 35, .1), transparent);
}

.page-hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240, 237, 232, .06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
}

.page-hero__content {
  position: relative;
  z-index: 2;
}

.page-hero__title {
  color: var(--text-on-dark);
  margin-bottom: var(--space-sm);
}

.page-hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-on-dark-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================
   SERVICES — "The Sauce"
   ============================================ */
.services {
  padding: var(--space-xl) 0;
  background: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.section-title {
  color: var(--text-on-light);
}

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

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-md) calc(var(--space-md) + .5rem);
  transition: transform .45s var(--ease-spring),
              box-shadow .45s var(--ease-out),
              border-color .3s var(--ease-out);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .06);
  border-color: rgba(232, 85, 58, .25);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: #fff;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: .6rem;
  color: var(--text-on-light);
}

.service-card__text {
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   TEAM
   ============================================ */
.team {
  padding: var(--space-xl) 0;
  background: var(--bg-light);
}

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

.team-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .45s var(--ease-spring),
              box-shadow .45s var(--ease-out);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .06);
}

.team-card__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(145deg, var(--bg-dark-elevated), var(--bg-dark));
  position: relative;
  overflow: hidden;
}

.team-card__photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(232, 85, 58, .15), transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(244, 166, 35, .1), transparent 50%);
}

.team-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.team-card__body {
  padding: var(--space-md);
}

.team-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-on-light);
  margin-bottom: .25rem;
}

.team-card__role {
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .75rem;
}

.team-card__bio {
  font-size: .92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   PROJECTS
   ============================================ */
.projects {
  padding: var(--space-xl) 0;
  background: var(--bg-light);
}

.projects__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.project-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .45s var(--ease-spring),
              box-shadow .45s var(--ease-out);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .06);
}

.project-card__preview {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--bg-dark-elevated), var(--bg-dark));
  padding: var(--space-md);
}

.project-card__preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(232, 85, 58, .12), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(244, 166, 35, .08), transparent 50%);
  pointer-events: none;
}

.project-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  background: rgba(232, 85, 58, .12);
  padding: .3rem .7rem;
  border-radius: 20px;
  z-index: 1;
}

.project-card__img {
  position: relative;
  z-index: 1;
  width: 120px;
  height: 120px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .3);
}

.project-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
}

.project-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-on-light);
  margin-bottom: .5rem;
}

.project-card__users {
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: .5rem;
}

.project-card__desc {
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: var(--space-sm);
}

.project-card__tags li {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-light);
  padding: .25rem .65rem;
  border-radius: 20px;
  border: 1px solid var(--border-light);
}

.project-card__links {
  display: flex;
  gap: var(--space-sm);
  margin-top: auto;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .85rem;
  line-height: 1.4;
  color: var(--accent);
  padding: .5rem 1rem;
  border: 1.5px solid var(--accent);
  border-radius: 60px;
  overflow: visible;
  transition: background .3s var(--ease-out),
              color .3s var(--ease-out),
              transform .35s var(--ease-spring);
}

.project-card__link:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.project-card__link svg {
  flex-shrink: 0;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact {
  padding: var(--space-xl) 0;
  background: var(--bg-light);
}

.contact__wrapper {
  max-width: 600px;
  margin: 0 auto;
}

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

.form__group {
  position: relative;
}

.form__label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-on-light);
  margin-bottom: .4rem;
  letter-spacing: .02em;
}

.form__input,
.form__textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-on-light);
  background: var(--bg-white);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  transition: border-color .3s var(--ease-out),
              box-shadow .3s var(--ease-out);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--text-muted);
  opacity: .6;
}

.form__textarea {
  min-height: 160px;
  resize: vertical;
}

.form__submit {
  align-self: flex-start;
  margin-top: var(--space-xs);
}

/* ============================================
   SOCIAL LINKS
   ============================================ */
.socials {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  justify-content: center;
}

.socials__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border-light);
  color: var(--text-muted);
  transition: border-color .3s var(--ease-out),
              color .3s var(--ease-out),
              transform .35s var(--ease-spring);
}

.socials__link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.socials__link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Footer socials on dark bg */
.footer .socials__link {
  border-color: var(--border-dark);
  color: var(--text-on-dark-muted);
}

.footer .socials__link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-dark);
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-on-dark);
}

.footer__logo span {
  color: var(--accent);
}

.footer__copy {
  font-size: .85rem;
  color: var(--text-on-dark-muted);
}

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease-out),
              transform .7s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .35s; }

/* Hero-specific entrance */
.hero .reveal {
  transform: translateY(36px);
  transition-duration: .9s;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .services__grid,
  .team__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  /* Mobile menu overlay */
  .nav__overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    position: fixed;
    inset: 0;
    background: rgba(12, 12, 14, .97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .35s var(--ease-out);
  }

  .nav__overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav__overlay .nav__link {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-on-dark);
    transform: translateY(12px);
    opacity: 0;
    transition: transform .4s var(--ease-out),
                opacity .4s var(--ease-out),
                color .3s var(--ease-out);
  }

  .nav__overlay.open .nav__link {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__overlay.open .nav__link:nth-child(1) { transition-delay: .1s; }
  .nav__overlay.open .nav__link:nth-child(2) { transition-delay: .18s; }
  .nav__overlay.open .nav__link:nth-child(3) { transition-delay: .26s; }
  .nav__overlay.open .nav__link:nth-child(4) { transition-delay: .34s; }

  .hero__content {
    padding: 0 var(--space-sm);
  }

  .page-hero {
    padding: calc(var(--nav-height) + var(--space-lg)) 0 var(--space-lg);
  }

  .project-card {
    grid-template-columns: 1fr;
  }

  .project-card__preview {
    min-height: 160px;
  }

  .project-card__links {
    flex-wrap: wrap;
  }

  .team-card__photo {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  .hero {
    min-height: 100svh;
  }

  .hero__subtitle {
    font-size: .95rem;
  }

  .btn {
    padding: .85rem 1.8rem;
    font-size: .9rem;
  }

  .service-card {
    padding: var(--space-sm) var(--space-sm) calc(var(--space-sm) + .5rem);
  }

  .team-card__body {
    padding: var(--space-sm);
  }

  .project-card__body {
    padding: var(--space-sm);
  }

  .project-card__title {
    font-size: 1.2rem;
  }

  .project-card__link {
    font-size: .78rem;
    padding: .45rem .85rem;
  }

  .footer {
    padding: var(--space-md) 0;
  }
}