:root {
  --bg: #050816;
  --bg-alt: #0b1020;
  --card-bg: #0f172a;
  --primary: #14b8a6;
  --primary-soft: rgba(20, 184, 166, 0.12);
  --accent: #8b5cf6;
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --border-subtle: rgba(148, 163, 184, 0.4);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-soft: 0 22px 45px rgba(15, 23, 42, 0.5);
  --transition-fast: 150ms ease-out;
  --transition-med: 220ms ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top left, #1f2937 0, #020617 45%, #000 100%);
  color: var(--text-main);
  line-height: 1.6;
}

/* Layout helpers */
.container {
  width: min(1120px, 100% - 3rem);
  margin-inline: auto;
}

.section {
  padding: 6rem 0 5rem;
}

.section.alt {
  background: radial-gradient(circle at top right, #111827 0, #020617 55%);
}

.section-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.section-header {
  max-width: 640px;
}

.section-header h2 {
  font-size: 2rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Header / Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.88), transparent);
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.logo span {
  color: var(--primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.4rem;
  font-size: 0.9rem;
}

.nav-links a {
  position: relative;
  text-decoration: none;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width var(--transition-med);
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--text-main);
  transition: transform var(--transition-med), opacity var(--transition-med);
}

/* Hero */
.hero {
  padding: 5rem 0 5.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 3.2rem;
  align-items: center;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(2.3rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 0.7rem;
}

.hero-title span {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: var(--text-muted);
  max-width: 480px;
  font-size: 0.98rem;
  margin-bottom: 1.6rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-med), color var(--transition-med),
    border-color var(--transition-med), transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #0b1120;
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.6);
}

.primary-btn:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 24px 45px rgba(15, 23, 42, 0.8);
}

.ghost-btn {
  border-color: rgba(148, 163, 184, 0.6);
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.7);
}

.ghost-btn:hover {
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.9);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.badge {
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at top left, var(--primary-soft), transparent 70%);
  border: 1px solid rgba(45, 212, 191, 0.4);
  padding: 0.35rem 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
}

.hero-phone a {
  color: var(--primary);
  text-decoration: none;
}

/* Hero visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
}

.avatar-circle img {
  object-fit: cover;
  object-position: center 20%;
}

.avatar-circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #4f46e5;
}

.avatar-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 24px;
  background: radial-gradient(circle at 20% 0%, #1e293b 0, #020617 60%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-initials {
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: #e5e7eb;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.tag {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.4);
  font-size: 0.78rem;
  color: var(--text-muted);
  backdrop-filter: blur(18px);
  background: rgba(15, 23, 42, 0.8);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2.6rem;
  align-items: start;
}

.about-text p {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

.about-highlights {
  display: grid;
  gap: 1.1rem;
}

.about-card {
  background: radial-gradient(circle at top left, rgba(20, 184, 166, 0.18), transparent 65%),
    #020617;
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.55);
}

.about-card h3 {
  font-size: 0.98rem;
  margin-bottom: 0.45rem;
}

.about-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Interests */
.pill-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.2rem;
}

.pill-card {
  border-radius: 999px;
  padding: 0.85rem 1.3rem;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.5);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.65);
  transition: transform var(--transition-med), box-shadow var(--transition-med),
    border-color var(--transition-med), background-color var(--transition-med);
}

.pill-card h3 {
  font-size: 0.9rem;
}

.pill-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pill-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), #020617);
  box-shadow: 0 24px 45px rgba(15, 23, 42, 0.8);
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.5rem;
}

.skills-column h3 {
  font-size: 1rem;
  margin-bottom: 0.7rem;
}

.skill {
  margin-bottom: 0.85rem;
}

.skill-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.skill-bar {
  margin-top: 0.4rem;
  height: 7px;
  border-radius: 999px;
  background: #020617;
  overflow: hidden;
  border: 1px solid rgba(30, 64, 175, 0.75);
}

.skill-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 1s ease-out;
}

.soft-skills {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Hobbies */
.hobbies-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
}

.hobby-card {
  background: rgba(15, 23, 42, 0.94);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.2rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: transform var(--transition-med), box-shadow var(--transition-med),
    border-color var(--transition-med), background-color var(--transition-med);
}

.hobby-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 52px rgba(15, 23, 42, 0.9);
  border-color: var(--primary);
}

.hobby-icon {
  font-size: 1.6rem;
}

.hobby-card h3 {
  font-size: 0.98rem;
}

.hobby-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* Social */
.social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.social-card {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.65);
  background: rgba(15, 23, 42, 0.96);
  text-decoration: none;
  color: var(--text-main);
  transition: transform var(--transition-med), border-color var(--transition-med),
    box-shadow var(--transition-med), background-color var(--transition-med);
}

.social-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.97), #020617);
  box-shadow: 0 22px 42px rgba(15, 23, 42, 0.85);
}

.social-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
}

/* Brand colors */
.social-icon.facebook { background: #1877f2; }
.social-icon.instagram { 
  background: radial-gradient(circle at 30% 110%, #fdf497, #fd5949, #d6249f, #285aeb);
}
.social-icon.telegram { background: #229ed9; }
.social-icon.whatsapp { background: #25d366; }
.social-icon.phone { background: #64748b; }

.social-icon.fb {
  background: #0ea5e9;
}

.social-icon.ig {
  background: linear-gradient(135deg, #f97316, #ec4899, #8b5cf6);
  color: #f9fafb;
}

.social-icon.tg {
  background: #38bdf8;
}

.social-icon.wa {
  background: #22c55e;
}

.social-icon.ph {
  background: #e5e7eb;
}

.social-info h3 {
  font-size: 0.9rem;
  margin-bottom: 0.1rem;
}

.social-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.social-info a {
  color: inherit;
  text-decoration: none;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.testimonial-card {
  background: #020617;
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: "“";
  position: absolute;
  top: -1.4rem;
  right: 1rem;
  font-size: 5rem;
  color: rgba(51, 65, 85, 0.4);
}

.testimonial-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.testimonial-meta h3 {
  font-size: 0.92rem;
}

.testimonial-meta p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  background: radial-gradient(circle at top, #020617 0, #000 70%);
  padding: 1.4rem 0 1.6rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.scroll-top {
  color: var(--primary);
  text-decoration: none;
}

/* Scroll reveal animation */
.section,
.hero {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms ease-out, transform 650ms ease-out;
}

.section.visible,
.hero.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive styles */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    order: -1;
  }

  .about-grid,
  .skills-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hobbies-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .social-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 2.2rem);
  }

  .nav-links {
    position: absolute;
    inset-inline: 0;
    top: 56px;
    flex-direction: column;
    background: rgba(2, 6, 23, 0.98);
    padding: 0.8rem 1.2rem 1.1rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.9);
    transform-origin: top;
    transform: scaleY(0.8);
    opacity: 0;
    pointer-events: none;
    gap: 0.7rem;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: scaleY(1);
    transition: opacity 200ms ease-out, transform 200ms ease-out;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding-top: 3.6rem;
  }

  .section {
    padding: 4rem 0 3.5rem;
  }

  .pill-grid,
  .hobbies-grid,
  .social-grid,
  .testimonials-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* Hamburger animated state */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}