/* ===================================================
   STYLE.CSS — Portfolio
   Mobile-first, Semantic HTML5 compatible
   =================================================== */

/* ---- CSS Variables ---- */
:root {
  --clr-bg: #0d0d0d;
  --clr-bg2: #141414;
  --clr-surface: #1a1a1a;
  --clr-border: #2a2a2a;
  --clr-accent: #e8c97a;       /* warm gold */
  --clr-accent2: #c47a3a;      /* copper */
  --clr-text: #f0ece3;
  --clr-text-muted: #8a8070;
  --clr-white: #ffffff;

  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body: 'DM Sans', sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  2rem;
  --fs-4xl:  2.5rem;
  --fs-5xl:  3.5rem;

  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-24: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.25s ease;
}

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

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

body {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

/* ---- Section common ---- */
.section {
  padding-block: var(--sp-16);
}

.section__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-3);
  font-weight: 500;
}

.section__title {
  font-family: var(--ff-display);
  font-size: var(--fs-3xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--sp-8);
  color: var(--clr-white);
}

.section__title em {
  font-style: italic;
  color: var(--clr-accent);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-bg);
  border-color: var(--clr-accent);
}

.btn--primary:hover {
  background: var(--clr-white);
  border-color: var(--clr-white);
  color: var(--clr-bg);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-text);
  border-color: var(--clr-border);
}

.btn--ghost:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.4rem 1rem;
  font-size: var(--fs-xs);
}

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

/* ================================================================
   HEADER / NAV
   ================================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin-inline: auto;
  padding: var(--sp-4) var(--sp-6);
}

.nav__logo {
  font-family: var(--ff-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: -0.02em;
}

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

.nav__links {
  display: none;
  gap: var(--sp-6);
  align-items: center;
}

.nav__links a {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: color var(--transition);
}

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

/* Hamburger */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2);
}

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

.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); }

/* Mobile nav open */
.nav__links.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: var(--clr-bg2);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--sp-6);
  gap: var(--sp-4);
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  padding-inline: var(--sp-6);
  max-width: 1100px;
  margin-inline: auto;
  position: relative;
  gap: var(--sp-8);
}

.hero__bg-text {
  position: absolute;
  top: 50%;
  right: -1rem;
  transform: translateY(-50%);
  font-family: var(--ff-display);
  font-size: clamp(4rem, 18vw, 12rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(232,201,122,0.08);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero__greeting {
  font-size: var(--fs-sm);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-3);
}

.hero__name {
  font-family: var(--ff-display);
  font-size: clamp(var(--fs-4xl), 9vw, var(--fs-5xl));
  font-weight: 700;
  line-height: 1.05;
  color: var(--clr-white);
  margin-bottom: var(--sp-4);
}

.hero__name em {
  font-style: italic;
  color: var(--clr-accent);
}

.hero__role {
  font-size: var(--fs-lg);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-4);
  font-weight: 300;
}

.hero__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-base);
  margin-bottom: var(--sp-8);
  max-width: 480px;
  line-height: 1.8;
}

.hero__cta {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* Avatar */
.hero__avatar {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  /* justify-content: center; */
  /* margin: 0 auto; */
  align-items: center;
  gap: var(--sp-3);
}

.avatar-ring {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: conic-gradient(var(--clr-accent), var(--clr-accent2), var(--clr-accent));
  padding: 3px;
  animation: spin 8s linear infinite;
}

.avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--clr-surface);
  display: grid;
  place-items: center;
}

.avatar-emoji {
  font-size: 4rem;
  animation: spin 8s linear infinite reverse;
}

/* @keyframes spin {
  to { transform: rotate(360deg); }
} */

.hero__badge {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  color: #10b981;
  font-weight: 500;
}

.badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

/* ================================================================
   ABOUT
   ================================================================ */
.about {
  background: var(--clr-bg2);
}

.about__grid {
  display: grid;
  gap: var(--sp-12);
}

.about__text p {
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-4);
  line-height: 1.9;
}

.about__text p strong {
  color: var(--clr-accent);
  font-weight: 500;
}

.about__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.about__facts li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

.about__facts li span {
  font-size: 1.1em;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.stat-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
}

.stat-card__num {
  font-family: var(--ff-display);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.stat-card__label {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ================================================================
   SKILLS
   ================================================================ */
.skills__grid {
  display: grid;
  gap: var(--sp-4);
}

.skill-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
  transition: border-color var(--transition), transform var(--transition);
}

.skill-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
}

.skill-card__icon {
  font-size: 2rem;
  margin-bottom: var(--sp-3);
}

.skill-card__name {
  font-family: var(--ff-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--sp-2);
}

.skill-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-4);
  line-height: 1.7;
}

.skill-card__bar {
  height: 6px;
  background: var(--clr-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-card__fill {
  height: 100%;
  width: var(--pct);
  background: linear-gradient(90deg, var(--clr-accent2), var(--clr-accent));
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

/* ================================================================
   PROJECTS
   ================================================================ */
.projects {
  background: var(--clr-bg2);
}

.projects__grid {
  display: grid;
  gap: var(--sp-6);
}

.project-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-accent);
  box-shadow: var(--shadow-card);
}

.project-card__thumb {
  height: 160px;
  background: linear-gradient(135deg, var(--clr), color-mix(in srgb, var(--clr), #000 30%));
  display: grid;
  place-items: center;
  font-size: 3.5rem;
}

.project-card__body {
  padding: var(--sp-6);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.tag {
  font-size: var(--fs-xs);
  background: rgba(232,201,122,0.1);
  color: var(--clr-accent);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(232,201,122,0.2);
  font-weight: 500;
}

.project-card__title {
  font-family: var(--ff-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: var(--sp-3);
}

.project-card__desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-6);
  line-height: 1.8;
}

.project-card__links {
  display: flex;
  gap: var(--sp-3);
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact__grid {
  display: grid;
  gap: var(--sp-12);
}

.contact__desc {
  color: var(--clr-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
}

.contact__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.contact__list li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.contact__icon {
  font-size: 1.2rem;
}

.contact__list a {
  color: var(--clr-text-muted);
  font-size: var(--fs-base);
  transition: color var(--transition);
}

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

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-group label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  width: 100%;
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-text-muted);
  opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
}

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--sp-8);
  text-align: center;
}

.site-footer p {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
}

.footer__back {
  margin-top: var(--sp-2);
}

.footer__back a {
  color: var(--clr-text-muted);
  font-size: var(--fs-xs);
  transition: color var(--transition);
}

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

/* ================================================================
   RESPONSIVE — TABLET (≥ 640px)
   ================================================================ */
@media (min-width: 640px) {
  .section__title {
    font-size: var(--fs-4xl);
  }

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

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

/* ================================================================
   RESPONSIVE — DESKTOP (≥ 900px)
   ================================================================ */
@media (min-width: 900px) {
  /* Nav */
  .nav__links {
    display: flex;
  }
  .nav__toggle {
    display: none;
  }

  /* Hero */
  .hero {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .hero__content {
    flex: 1;
  }

  .hero__avatar {
    flex-shrink: 0;
  }

  .avatar-ring {
    width: 220px;
    height: 220px;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  /* Skills */
  .skills__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Projects */
  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Contact */
  .contact__grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}