/* ==========================================================
   Ianro — Portfolio Site Styles
   ========================================================== */

:root{
  --bg: #08080d;
  --bg-elev: #0e0e16;
  --glass: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.09);
  --text: #f2f2f7;
  --text-dim: #9a9aad;
  --accent-1: #7c5cff;   /* purple */
  --accent-2: #23d5ff;   /* cyan */
  --accent-3: #ff5cae;   /* pink */
  --radius: 18px;
  --max-width: 1180px;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3{
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

a{ color: inherit; text-decoration: none; }
code{ font-family: monospace; background: var(--glass); padding: 2px 6px; border-radius: 6px; }

/* ---------- background glow ---------- */
.bg-glow{
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.blob{
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  animation: float 18s ease-in-out infinite;
}
.blob-1{
  width: 480px; height: 480px;
  background: var(--accent-1);
  top: -120px; left: -100px;
}
.blob-2{
  width: 520px; height: 520px;
  background: var(--accent-2);
  top: 20%; right: -180px;
  animation-delay: -6s;
}
.blob-3{
  width: 420px; height: 420px;
  background: var(--accent-3);
  bottom: -160px; left: 30%;
  animation-delay: -12s;
}
@keyframes float{
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.08); }
}
.grid-overlay{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at top, black, transparent 75%);
}

/* ---------- navbar (iOS-style liquid glass) ---------- */
body{ padding-top: 96px; }

.navbar{
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: calc(100% - 32px);
  max-width: var(--max-width);
  border-radius: 999px;

  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.04) 60%, rgba(255,255,255,0.02));
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow:
    0 12px 36px -8px rgba(0,0,0,0.5),
    0 2px 8px rgba(0,0,0,0.25),
    inset 0 1px 0 rgba(255,255,255,0.45),
    inset 0 -1px 0 rgba(255,255,255,0.06);
  transition: border-radius 0.3s ease, top 0.3s ease;
}
/* soft diagonal sheen for a "refractive" glass feel */
.navbar::before{
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg, rgba(255,255,255,0.16) 0%, rgba(255,255,255,0) 30%, rgba(255,255,255,0) 70%, rgba(255,255,255,0.08) 100%);
  pointer-events: none;
}
.navbar.menu-open{
  border-radius: 28px;
}

.nav-inner{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo{
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon{
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.logo-text{
  font-family: 'Orbitron', var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #ffffff, #b9bfcf);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logo.small .logo-icon{ width: 20px; height: 20px; }
.logo.small .logo-text{ font-size: 1rem; }

.nav-links{
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0; padding: 0;
}
.nav-links a{
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover{ color: var(--text); }

.nav-cta{
  display: inline-block;
  padding: 9px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  font-weight: 600;
  font-size: 0.9rem;
  color: #05050a;
  white-space: nowrap;
}

.burger{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span{
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s;
}
.burger.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity: 0; }
.burger.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s;
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #05050a;
  box-shadow: 0 0 0 rgba(124,92,255,0);
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(124,92,255,0.6);
}
.btn-ghost{
  background: var(--glass);
  border-color: var(--glass-border);
  color: var(--text);
}
.btn-ghost:hover{
  background: rgba(255,255,255,0.09);
  transform: translateY(-2px);
}

/* ---------- hero ---------- */
.hero{
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 80px 0 40px;
}
.hero-inner{ max-width: 820px; }
.eyebrow{
  display: inline-flex;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.hero h1{
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 700;
}
.grad-text{
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2) 50%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub{
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 640px;
  margin-bottom: 36px;
}
.hero-actions{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stack{
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-dim);
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
}
.hero-stack i{ color: var(--accent-1); font-style: normal; }

.scroll-cue{
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-cue span{
  display: block;
  width: 22px; height: 36px;
  border: 2px solid var(--glass-border);
  border-radius: 20px;
  position: relative;
}
.scroll-cue span::before{
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  width: 4px; height: 8px;
  background: var(--accent-2);
  border-radius: 4px;
  transform: translateX(-50%);
  animation: scrollDown 1.8s ease infinite;
}
@keyframes scrollDown{
  0% { top: 6px; opacity: 1; }
  70% { top: 18px; opacity: 0; }
  100% { top: 18px; opacity: 0; }
}

/* ---------- section shared ---------- */
section{ padding: 110px 0; position: relative; scroll-margin-top: 110px; }
.section-label{
  color: var(--accent-2);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  margin-bottom: 12px;
}
.section-title{
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}
.section-sub{
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 40px;
}

/* ---------- glass card base ---------- */
.glass, .service-card, .project-card, .contact-form{
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ---------- services ---------- */
.service-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.service-card{
  padding: 32px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.service-card:hover{
  transform: translateY(-6px);
  border-color: rgba(124,92,255,0.5);
}
.service-icon{
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,92,255,0.18), rgba(35,213,255,0.18));
  color: var(--accent-2);
  margin-bottom: 20px;
}
.service-icon svg{ width: 24px; height: 24px; }
.service-card h3{ font-size: 1.15rem; margin-bottom: 8px; }
.service-card p{ color: var(--text-dim); font-size: 0.95rem; margin: 0; }

/* ---------- work / projects ---------- */
.filters{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.filter-btn{
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover{ color: var(--text); border-color: rgba(255,255,255,0.25); }
.filter-btn.active{
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #05050a;
  font-weight: 600;
  border-color: transparent;
}

.project-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card{
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease;
  opacity: 1;
  transform: scale(1);
}
.project-card:hover{ transform: translateY(-6px); border-color: rgba(35,213,255,0.4); }
.project-card.hide{ display: none; }

.project-thumb{
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: rgba(255,255,255,0.85);
}
.project-body{ padding: 22px 22px 26px; }
.project-cat{
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-bottom: 8px;
  display: block;
}
.project-card h3{ font-size: 1.15rem; margin-bottom: 8px; }
.project-card p{ color: var(--text-dim); font-size: 0.92rem; margin: 0 0 16px; }
.tag-row{ display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tag{
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--text-dim);
}
.project-link{
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.project-link:hover{ color: var(--accent-1); }

/* ---------- about ---------- */
.about-inner{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}
.about-text p{ color: var(--text-dim); }
.about-text p:last-child{ margin-bottom: 0; }
.skills-label{
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.skills-grid{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.skills-grid span{
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  font-size: 0.88rem;
}

/* ---------- contact ---------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}
.contact-form{
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row{ display: flex; gap: 16px; }
input, textarea{
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
input::placeholder, textarea::placeholder{ color: var(--text-dim); }
input:focus, textarea:focus{
  outline: none;
  border-color: var(--accent-2);
}
.form-note{ font-size: 0.85rem; color: var(--accent-2); min-height: 1em; margin: 0; }

.contact-links{
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-link{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 22px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  transition: border-color 0.2s, transform 0.2s;
}
.contact-link:hover{ border-color: rgba(124,92,255,0.5); transform: translateY(-3px); }
.contact-link span{ font-size: 0.78rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-link strong{ font-size: 1rem; font-weight: 600; }

/* ---------- footer ---------- */
.footer{
  border-top: 1px solid var(--glass-border);
  padding: 32px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.back-top{ color: var(--text-dim); transition: color 0.2s; }
.back-top:hover{ color: var(--text); }

/* ---------- scroll reveal ---------- */
.fade-in{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible{
  opacity: 1;
  transform: translateY(0);
}

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .service-grid{ grid-template-columns: repeat(2, 1fr); }
  .project-grid{ grid-template-columns: repeat(2, 1fr); }
  .about-inner, .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-links, .nav-cta{ display: none; }
  .burger{ display: flex; }
  .navbar.menu-open .nav-links{
    display: flex;
    position: absolute;
    top: calc(100% + 8px); left: 0; right: 0;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(20,20,28,0.75), rgba(10,10,16,0.85));
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 24px;
    box-shadow: 0 12px 36px -8px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.25);
    padding: 20px 24px;
    gap: 18px;
  }
  .navbar.menu-open .nav-cta{
    display: inline-flex;
    position: absolute;
    top: calc(100% + 198px);
    left: 24px;
  }
  .service-grid{ grid-template-columns: 1fr; }
  .project-grid{ grid-template-columns: 1fr; }
  .form-row{ flex-direction: column; }
  section{ padding: 80px 0; }
}