/* ==========================================================================
   Minimalist Portfolio Styles
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7f8;
  --color-text: #1c1c1e;
  --color-text-muted: #6b6b70;
  --color-border: #e7e7ea;
  --color-accent: #4f5bd5;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------------------------------- */
/* Navbar */
/* ---------------------------------- */
#mainNav {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
  padding-top: .85rem;
  padding-bottom: .85rem;
}

#mainNav.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.navbar-nav .nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 0.5rem 1rem;
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--color-accent);
}

.resume-btn {
  border-radius: 30px;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.4rem 1.1rem;
  border-width: 1.5px;
}

/* ---------------------------------- */
/* Hero */
/* ---------------------------------- */
.hero-section {
  padding-top: 160px;
  padding-bottom: 90px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.eyebrow, .section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.hero-name {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
  line-height: 1.05;
}

.hero-role {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 1.4rem;
}

.hero-text {
  max-width: 560px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.btn-dark {
  background-color: var(--color-text);
  border-color: var(--color-text);
  border-radius: 30px;
  font-weight: 500;
}
.btn-dark:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline-dark {
  border-radius: 30px;
  font-weight: 500;
  color: var(--color-text);
  border-color: var(--color-text);
}
.btn-outline-dark:hover {
  background-color: var(--color-text);
  color: #fff;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: all .2s ease;
  font-size: 1rem;
}

.social-links a:hover {
  background-color: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
  transform: translateY(-2px);
}

.portrait-wrap {
  position: relative;
  display: inline-block;
}

.portrait-img {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid var(--color-bg-alt);
  box-shadow: 0 20px 45px rgba(20, 20, 25, 0.12);
}

/* ---------------------------------- */
/* Sections (general) */
/* ---------------------------------- */
.section {
  padding: 100px 0;
}

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

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-lead {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ---------------------------------- */
/* About */
/* ---------------------------------- */
.info-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  height: 100%;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(20,20,25,0.06);
}

.info-card i {
  font-size: 1.6rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.info-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.info-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---------------------------------- */
/* Projects */
/* ---------------------------------- */
.project-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 34px rgba(20,20,25,0.08);
}

.project-thumb {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  color: #fff;
}

.thumb-1 { background: linear-gradient(135deg, #4f5bd5, #7b8cf5); }
.thumb-2 { background: linear-gradient(135deg, #2f9e6e, #59c99a); }
.thumb-3 { background: linear-gradient(135deg, #d5794f, #f0a679); }
.thumb-4 { background: linear-gradient(135deg, #5e5ce6, #9b8cf0); }
.thumb-5 { background: linear-gradient(135deg, #3aa0c4, #7fd0e8); }
.thumb-6 { background: linear-gradient(135deg, #c14f7d, #ec8bb2); }

.project-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.project-body p {
  color: var(--color-text-muted);
  font-size: 0.93rem;
  flex-grow: 1;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 1rem;
}

.tag {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 1.25rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.project-links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.project-links a:hover {
  color: var(--color-accent);
}

/* ---------------------------------- */
/* Skills */
/* ---------------------------------- */
.skill-pill {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem 0.5rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.skill-pill i {
  font-size: 1.6rem;
  color: var(--color-accent);
}

.skill-pill:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 24px rgba(20,20,25,0.06);
}

/* ---------------------------------- */
/* Contact Form */
/* ---------------------------------- */
#contactForm .form-label {
  font-weight: 500;
  font-size: 0.9rem;
}

#contactForm .form-control {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
}

#contactForm .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(79, 91, 213, 0.12);
}

/* ---------------------------------- */
/* Footer */
/* ---------------------------------- */
.footer {
  background-color: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding: 2rem 0;
  font-size: 0.9rem;
}

.footer-social a {
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
}

.footer-social a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ---------------------------------- */
/* Back to top */
/* ---------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: var(--color-text);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .25s ease;
  z-index: 999;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-accent);
}

/* ---------------------------------- */
/* Responsive tweaks */
/* ---------------------------------- */
@media (max-width: 991.98px) {
  .hero-section {
    padding-top: 130px;
    text-align: center;
  }
  .hero-text {
    margin-left: auto;
    margin-right: auto;
  }
  .social-links {
    justify-content: center;
  }
  .navbar-collapse {
    background-color: #fff;
    border-radius: 12px;
    margin-top: 0.5rem;
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
}

@media (max-width: 575.98px) {
  .section {
    padding: 70px 0;
  }
  .hero-section {
    padding-bottom: 60px;
  }
}