/* ─────────────────────────────────────────────────────────────
   style.css  –  Darren Knuckles Portfolio
   Clean, modern stylesheet for a business web-design portfolio.
───────────────────────────────────────────────────────────── */

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

:root {
  --clr-bg:        #0f1117;
  --clr-bg-alt:    #161b27;
  --clr-bg-card:   #1c2233;
  --clr-accent:    #4f9eff;
  --clr-accent-dk: #2563eb;
  --clr-text:      #e2e8f0;
  --clr-muted:     #94a3b8;
  --clr-border:    #2d3748;
  --clr-white:     #ffffff;

  --ff-base: 'Inter', system-ui, sans-serif;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semi:    600;
  --fw-bold:    700;
  --fw-extra:   800;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --transition: 0.2s ease;

  --max-w: 1100px;
  --section-py: 5rem;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-base);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* ── UTILITY ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.accent { color: var(--clr-accent); }

.section {
  padding-block: var(--section-py);
}

.section--alt {
  background: var(--clr-bg-alt);
}

.section--dark {
  background: var(--clr-bg-card);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.section__eyebrow {
  font-size: 0.8rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.5rem;
}

.section__eyebrow--light { color: var(--clr-white); }

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: var(--fw-extra);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

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

.section__desc {
  color: var(--clr-muted);
  font-size: 1.05rem;
}

.section__desc a {
  color: var(--clr-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.section__desc a:hover { color: var(--clr-white); }

.section__desc--light { color: var(--clr-muted); }

.section__cta {
  text-align: center;
  margin-top: 2.5rem;
}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--ff-base);
  font-size: 0.95rem;
  font-weight: var(--fw-semi);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn svg { width: 1.1rem; height: 1.1rem; flex-shrink: 0; }

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-bg);
  border-color: var(--clr-accent);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--clr-accent-dk);
  border-color: var(--clr-accent-dk);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--clr-accent);
  border-color: var(--clr-accent);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--clr-accent);
  color: var(--clr-bg);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--clr-white);
  color: var(--clr-bg);
  border-color: var(--clr-white);
}
.btn--white:hover, .btn--white:focus-visible {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-bg);
}

.btn--sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

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

/* ── NAV ─────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav__logo {
  font-size: 1.4rem;
  font-weight: var(--fw-extra);
  color: var(--clr-white);
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
  color: var(--clr-muted);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--clr-white); }

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

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  padding-block: 5rem 4rem;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

.hero__eyebrow {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--clr-muted);
}

.hero__name {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: var(--fw-extra);
  line-height: 1.1;
  color: var(--clr-white);
  letter-spacing: -0.03em;
}

.hero__title {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: var(--fw-semi);
  color: var(--clr-muted);
  margin-bottom: 1.25rem;
}

.hero__desc {
  font-size: 1.1rem;
  color: var(--clr-muted);
  max-width: 500px;
  margin-bottom: 2rem;
}

.hero__desc strong { color: var(--clr-text); }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero__github {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-muted);
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
  transition: color var(--transition);
}
.hero__github svg { width: 1.2rem; height: 1.2rem; }
.hero__github:hover { color: var(--clr-accent); }

/* browser mockup */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__browser {
  width: 100%;
  max-width: 400px;
  background: var(--clr-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.browser__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.7rem 1rem;
  background: var(--clr-bg-alt);
  border-bottom: 1px solid var(--clr-border);
}

.browser__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clr-border);
}
.browser__bar span:nth-child(1) { background: #ff5f57; }
.browser__bar span:nth-child(2) { background: #febc2e; }
.browser__bar span:nth-child(3) { background: #28c840; }

.browser__url {
  flex: 1;
  background: var(--clr-bg);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: var(--clr-muted);
  text-align: center;
}

.browser__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.browser__line {
  height: 12px;
  border-radius: 6px;
  background: var(--clr-border);
}
.browser__line--title { width: 65%; background: var(--clr-accent); opacity: 0.5; height: 16px; }
.browser__line--sub   { width: 85%; }

.browser__blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.browser__block {
  height: 60px;
  border-radius: var(--radius-sm);
  background: var(--clr-border);
}

.browser__btn {
  width: 120px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--clr-accent);
  opacity: 0.6;
}

/* ── TRUST BAR ───────────────────────────────────────────────── */
.trust {
  background: var(--clr-bg-alt);
  padding-block: 1.25rem;
  border-block: 1px solid var(--clr-border);
}

.trust__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 3rem;
}

.trust__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
  color: var(--clr-muted);
}

.trust__icon { font-size: 1.1rem; }

/* ── PROJECT CARDS ───────────────────────────────────────────── */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.project-card__img {
  position: relative;
  height: 200px;
  background-size: cover;
  background-position: center;
}

.project-card__img--1 {
  background: linear-gradient(135deg, #1e3a5f 0%, #0d2137 50%, #142940 100%);
}
.project-card__img--1::after {
  content: '🍽️';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.project-card__img--2 {
  background: linear-gradient(135deg, #1a2e1a 0%, #0d1f0d 50%, #122112 100%);
}
.project-card__img--2::after {
  content: '🔧';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.project-card__img--3 {
  background: linear-gradient(135deg, #2e1a2e 0%, #1f0d1f 50%, #211221 100%);
}
.project-card__img--3::after {
  content: '💅';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 1;
}
.project-card:hover .project-card__overlay { opacity: 1; }

.project-card__body { padding: 1.25rem; }

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.tag {
  display: inline-block;
  background: rgba(79, 158, 255, 0.15);
  color: var(--clr-accent);
  border-radius: 4px;
  padding: 0.15rem 0.55rem;
  font-size: 0.75rem;
  font-weight: var(--fw-semi);
}

.project-card__title {
  font-size: 1.1rem;
  font-weight: var(--fw-bold);
  margin-bottom: 0.5rem;
  color: var(--clr-white);
}

.project-card__desc {
  font-size: 0.9rem;
  color: var(--clr-muted);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.project-card__link {
  font-size: 0.875rem;
  font-weight: var(--fw-semi);
  color: var(--clr-accent);
  transition: color var(--transition);
}
.project-card__link:hover { color: var(--clr-white); }

/* ── SERVICE CARDS ───────────────────────────────────────────── */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.service-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  position: relative;
  transition:
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s ease,
    border-color 0.35s ease;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

html.js-animations #services .service-card:not(.service-card--visible) {
  opacity: 0;
  transform: translateY(32px);
  pointer-events: none;
}

html.js-animations #services .service-card.service-card--visible {
  animation: serviceReveal 0.78s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--service-stagger, 0s);
  pointer-events: auto;
}

@keyframes serviceReveal {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes serviceRevealFeatured {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(-2px);
  }
}

html.js-animations #services .service-card.service-card--featured.service-card--visible {
  animation-name: serviceRevealFeatured;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.45);
  border-color: rgba(79, 158, 255, 0.25);
}

.service-card--featured {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 1px var(--clr-accent);
  transform: translateY(-2px);
}

.service-card--featured:hover {
  transform: translateY(-8px);
  border-color: var(--clr-accent);
  box-shadow: 0 22px 56px rgba(79, 158, 255, 0.12);
}

.service-card__badge {
  position: absolute;
  top: -1px;
  right: 1.25rem;
  background: var(--clr-accent);
  color: var(--clr-bg);
  font-size: 0.72rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.service-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: inline-block;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card:hover .service-card__icon {
  transform: scale(1.08) translateY(-2px);
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: var(--fw-bold);
  color: var(--clr-white);
  margin-bottom: 0.6rem;
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-card__list li {
  font-size: 0.875rem;
  color: var(--clr-muted);
  padding-left: 1.25rem;
  position: relative;
}
.service-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-accent);
  font-weight: var(--fw-bold);
}

/* ── WHY ME ──────────────────────────────────────────────────── */
.why__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.why__text { display: flex; flex-direction: column; gap: 1rem; }

.why__text p {
  color: var(--clr-muted);
  font-size: 1rem;
}

.why__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.25rem;
  background: var(--clr-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}

.why__stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.why__stat-num {
  font-size: 1.25rem;
  font-weight: var(--fw-extra);
  color: var(--clr-white);
}

.why__stat-label {
  font-size: 0.8rem;
  color: var(--clr-muted);
}

/* floating cards */
.why__visual {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why__card {
  position: absolute;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  animation: float 4s ease-in-out infinite alternate;
}

.why__card-icon { font-size: 1rem; }

.why__card--1 { top: 5%;  left: 0;   animation-delay: 0s; }
.why__card--2 { top: 25%; right: 5%; animation-delay: 0.4s; }
.why__card--3 { top: 45%; left: 5%;  animation-delay: 0.8s; }
.why__card--4 { top: 65%; right: 0;  animation-delay: 1.2s; }
.why__card--5 { top: 82%; left: 10%; animation-delay: 1.6s; }

@keyframes float {
  from { transform: translateY(0); }
  to   { transform: translateY(-8px); }
}

/* ── CONTACT ─────────────────────────────────────────────────── */
.contact__inner {
  max-width: 680px;
  margin-inline: auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--clr-text);
}

.form-group input,
.form-group textarea {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  color: var(--clr-text);
  font-family: var(--ff-base);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(79, 158, 255, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-muted);
}

.form-note {
  font-size: 0.8rem;
  color: var(--clr-muted);
  text-align: center;
  margin-top: 0.25rem;
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: var(--fw-medium);
  color: var(--clr-muted);
  transition: color var(--transition);
}
.contact__link svg { width: 1.2rem; height: 1.2rem; }
.contact__link:hover { color: var(--clr-accent); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding-block: 1.5rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer__inner p {
  font-size: 0.85rem;
  color: var(--clr-muted);
}

.footer__links {
  display: flex;
  gap: 1.25rem;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--clr-accent); }

/* ── ANIMATIONS ─────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0.6; transform: translateX(16px); }
  to   { opacity: 1;   transform: translateX(0);    }
}

/* Elements are fully visible by default.
   The animation is a subtle cosmetic entry effect only. */
.animate-in {
  animation: fadeUp 0.80s ease-out forwards;
  opacity: 0.4;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero__inner,
  .why__inner {
    grid-template-columns: 1fr;
  }

  .hero__visual { display: none; }

  .why__visual {
    height: 220px;
  }
}

@media (max-width: 640px) {
  :root { --section-py: 3rem; }

  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 4rem 0 0 0;
    background: var(--clr-bg);
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    align-items: flex-start;
    border-top: 1px solid var(--clr-border);
    z-index: 99;
  }
  .nav__links.is-open a { font-size: 1.1rem; }

  .nav__toggle { display: flex; }

  .form-row { grid-template-columns: 1fr; }

  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links  { justify-content: center; }

  .why__visual { display: none; }
}