/* ============================================================
   JAIME AHIJADO — Portfolio Variant 1: Infrastructure & Megaprojects
   Design: Architectural precision · Earth & Steel palette
   Palette: Deep concrete #1a1c20 + Steel white + Amber accent #c8793a
   Typography: Playfair Display (serif elegance) + Barlow (clean body)
   ============================================================ */

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

:root {
  /* Colour System */
  --clr-bg:        #131416;
  --clr-bg-2:      #17191c;
  --clr-bg-3:      #1c1f23;
  --clr-surface:   #1e2126;
  --clr-surface-2: #242930;
  --clr-border:    rgba(255,255,255,0.06);
  --clr-border-2:  rgba(255,255,255,0.12);
  --clr-border-3:  rgba(255,255,255,0.20);

  /* Text */
  --clr-white:    #f0f1f3;
  --clr-silver:   #9da5b0;
  --clr-muted:    #5a6370;
  --clr-platinum: #c8cdd4;

  /* Accent: Burnt amber — concrete & steel warmth */
  --clr-accent:      #c8793a;
  --clr-accent-2:    #e09558;
  --clr-accent-dim:  rgba(200,121,58,0.12);
  --clr-accent-glow: rgba(200,121,58,0.18);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Barlow', system-ui, sans-serif;
  --font-cond:    'Barlow Condensed', system-ui, sans-serif;

  /* Spacing */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2.5rem;
  --sp-xl:  4rem;
  --sp-2xl: 7rem;

  /* Layout */
  --max-w:  1220px;
  --nav-h:  72px;

  /* Easing */
  --ease:    cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--clr-bg);
  color: var(--clr-platinum);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-muted); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-accent); }

/* ── CONTAINER ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

/* ── TAGS ── */
.tag {
  display: inline-block;
  padding: 0.22rem 0.7rem;
  font-family: var(--font-cond);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-dim);
  border: 1px solid rgba(200,121,58,0.25);
  border-radius: 1px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-cond);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
}

.btn--primary {
  background: var(--clr-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--clr-accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--clr-accent-glow);
}

.btn--outline {
  background: transparent;
  color: var(--clr-platinum);
  border: 1px solid var(--clr-border-2);
}
.btn--outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-2px);
}

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

/* ── SECTION COMMON ── */
.section {
  padding: var(--sp-2xl) 0;
}

.education, .skills, .achievements {
  background: var(--clr-bg-2);
}

/* Section header */
.section__header {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
}

.section__header-left {
  display: flex;
  align-items: baseline;
  gap: var(--sp-sm);
  flex-shrink: 0;
}

.section__num {
  font-family: var(--font-cond);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--clr-accent);
  opacity: 0.8;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  color: var(--clr-white);
  line-height: 1;
  letter-spacing: -0.01em;
}

.section__header-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--clr-border-2), transparent);
}

.section__header-tag {
  font-family: var(--font-cond);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  flex-shrink: 0;
}

/* ── REVEAL ANIMATION ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.45s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
}

.nav.scrolled {
  background: rgba(19,20,22,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--clr-border);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-shrink: 0;
}

.nav__logo-mark {
  font-family: var(--font-cond);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--clr-accent);
  width: 42px;
  height: 42px;
  border: 1px solid rgba(200,121,58,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav__logo-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.nav__logo-name {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--clr-white);
  line-height: 1;
}

.nav__logo-sub {
  font-family: var(--font-cond);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--clr-muted);
  line-height: 1;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}

.nav__link {
  font-family: var(--font-cond);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-silver);
  transition: color 0.2s;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--clr-accent);
  transition: width 0.3s var(--ease);
}

.nav__link:hover { color: var(--clr-white); }
.nav__link:hover::after { width: 100%; }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  font-family: var(--font-cond);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  border: 1px solid var(--clr-accent);
  transition: all 0.25s;
}
.nav__cta:hover {
  background: var(--clr-accent);
  color: #fff;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--clr-platinum);
  transition: all 0.3s;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
 /* background: var(--clr-bg); */
background:
  linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.78),
    rgba(0, 0, 0, 0.92)
  ),
  url('../assets/IMG_1748.jpg');

background-size: cover;
background-position: center;
background-repeat: no-repeat;
background-blend-mode: multiply;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.5;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  /* Subtle concrete texture gradient */
  background:
    radial-gradient(ellipse 60% 60% at 80% 50%, rgba(200,121,58,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(255,255,255,0.02) 0%, transparent 60%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--nav-h) + var(--sp-xl));
  padding-bottom: var(--sp-xl);
  width: 100%;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
  font-family: var(--font-cond);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-silver);
}

.hero__eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--clr-accent);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7.5rem);
  font-weight: 600;
  line-height: 0.95;
  color: var(--clr-white);
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-lg);
}

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

.hero__title--sub {
  display: block;
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-style: normal;
  color: var(--clr-silver);
  font-weight: 400;
  margin-top: 0.2em;
}

.hero__desc {
  font-size: clamp(0.92rem, 1.4vw, 1.05rem);
  color: var(--clr-silver);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: var(--sp-lg);
}

.hero__actions {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  margin-bottom: var(--sp-2xl);
}

/* Stats row */
.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--clr-border);
  flex-wrap: wrap;
}

.stat { text-align: left; }

.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--clr-white);
  line-height: 1;
}

.stat__label {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-top: 0.3rem;
}

.stat__divider {
  width: 1px;
  height: 44px;
  background: var(--clr-border-2);
}

/* Architectural corner marks */
.hero__mark {
  position: absolute;
  width: 50px; height: 50px;
  opacity: 0.35;
}

.hero__mark .mark-h {
  position: absolute;
  width: 50px; height: 1px;
  background: var(--clr-accent);
  top: 50%; transform: translateY(-50%);
}

.hero__mark .mark-v {
  position: absolute;
  width: 1px; height: 50px;
  background: var(--clr-accent);
  left: 50%; transform: translateX(-50%);
}

.hero__mark--tl { top: 90px; left: 30px; }
.hero__mark--br { bottom: 60px; right: 30px; }

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.4;
}

.hero__scroll-label {
  font-family: var(--font-cond);
  font-size: 0.58rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-silver);
}

.hero__scroll-track {
  width: 1px;
  height: 48px;
  background: var(--clr-border-3);
  position: relative;
  overflow: hidden;
}

.hero__scroll-thumb {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 40%;
  background: var(--clr-accent);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%   { top: -40%; }
  100% { top: 140%; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--sp-2xl);
  align-items: start;
}

/* Portrait */
.portrait {
  position: relative;
  width: 220px;
}

.portrait__placeholder {
  width: 220px;
  height: 280px;
  background: linear-gradient(140deg, var(--clr-surface-2, #242930) 0%, var(--clr-bg-3) 60%, rgba(200,121,58,0.08) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portrait__initials {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 600;
  color: var(--clr-accent);
  opacity: 0.25;
  user-select: none;
}

.portrait__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* When you replace the placeholder, style real images like this:
   .portrait img {
     width: 220px;
     height: 280px;
     object-fit: cover;
     object-position: center top;
     filter: grayscale(20%);
   }
*/

.portrait__frame {
  position: absolute;
  top: 14px; left: 14px;
  right: -14px; bottom: -14px;
  border: 1px solid var(--clr-accent);
  opacity: 0.35;
  pointer-events: none;
}

.about__langs {
  margin-top: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lang {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
}

.lang__flag { font-size: 1rem; }
.lang__flag__cat { font-size: 0.55rem; }

.lang__name {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--clr-white);
  line-height: 1.2;
}

.lang__level {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--clr-muted);
  line-height: 1.2;
}

/* About content */
.about__lead {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--clr-white);
  line-height: 1.6;
  margin-bottom: var(--sp-md);
}

.about__body {
  font-size: 0.93rem;
  color: var(--clr-silver);
  margin-bottom: var(--sp-sm);
  line-height: 1.75;
}

.about__pillars {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--clr-border);
}

.pillar {
  display: flex;
  gap: var(--sp-sm);
  align-items: flex-start;
}

.pillar__icon {
  width: 36px;
  height: 36px;
  background: var(--clr-accent-dim);
  border: 1px solid rgba(200,121,58,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.pillar strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.25rem;
}

.pillar p {
  font-size: 0.82rem;
  color: var(--clr-silver);
  margin: 0;
  line-height: 1.6;
}

/* ============================================================
   EDUCATION
   ============================================================ */
.edu__timeline {
  position: relative;
  padding-left: 2rem;
}

.edu__timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 14px; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--clr-accent), rgba(200,121,58,0.1));
}

.edu__item {
  position: relative;
  margin-bottom: var(--sp-xl);
}

.edu__item:last-child { margin-bottom: 0; }

.edu__dot {
  position: absolute;
  left: calc(-2rem - 4px);
  top: 16px;
  width: 9px; height: 9px;
  background: var(--clr-accent);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--clr-accent-glow);
}

.edu__card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: var(--sp-lg);
  transition: border-color 0.3s, transform 0.3s;
}

.edu__card:hover {
  border-color: var(--clr-border-3);
  transform: translateX(4px);
}

.edu__card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-md);
  margin-bottom: var(--sp-sm);
  flex-wrap: wrap;
}

.edu__card-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  flex-shrink: 0;
}

.edu__degree {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.25rem;
}

.edu__school {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--clr-silver);
}

.edu__date {
  font-family: var(--font-cond);
  font-size: 0.7rem;
  color: var(--clr-accent);
  letter-spacing: 0.04em;
  font-weight: 600;
}

.edu__location {
  font-size: 0.8rem;
}

.edu__desc {
  font-size: 0.87rem;
  color: var(--clr-silver);
  margin-bottom: var(--sp-sm);
  line-height: 1.65;
}

.edu__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--sp-sm);
}

.edu__project {
  padding-top: var(--sp-sm);
  border-top: 1px solid var(--clr-border);
  font-size: 0.8rem;
  color: var(--clr-silver);
}

.edu__project em { color: var(--clr-silver); }

.edu__project-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  font-family: var(--font-cond);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  border: 1px solid rgba(200,121,58,0.4);
  margin-right: 0.5rem;
  margin-bottom: 0.3rem;
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xl);
}

.exp__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--sp-lg);
  align-items: start;
}

.exp__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-top: var(--sp-sm);
  gap: 0.5rem;
}

.exp__date {
  font-family: var(--font-cond);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent);
  text-align: right;
  line-height: 1.4;
}

.exp__line {
  width: 1px;
  height: 100%;
  min-height: 40px;
  background: linear-gradient(to bottom, var(--clr-accent), transparent);
  margin-left: auto;
}

.exp__card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: var(--sp-lg);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.exp__card:hover {
  border-color: var(--clr-border-3);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}

.exp__card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--sp-sm);
  gap: var(--sp-sm);
  flex-wrap: wrap;
}

.exp__role {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.25rem;
}

.exp__company {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--clr-silver);
}

.exp__badge {
  flex-shrink: 0;
  padding: 0.2rem 0.8rem;
  font-family: var(--font-cond);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 1px;
}

.exp__badge--ops { background: rgba(74,144,217,0.12); color: #6ab0f5; border: 1px solid rgba(74,144,217,0.25); }
.exp__badge--eng { background: var(--clr-accent-dim); color: var(--clr-accent); border: 1px solid rgba(200,121,58,0.25); }
.exp__badge--mro { background: rgba(100,200,130,0.1); color: #80d4a0; border: 1px solid rgba(100,200,130,0.2); }

.exp__bullets {
  margin-bottom: var(--sp-sm);
  padding-left: 0;
}

.exp__bullets li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.6rem;
  font-size: 0.88rem;
  color: var(--clr-silver);
  line-height: 1.65;
}

.exp__bullets li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--clr-accent);
  font-weight: 700;
}

.exp__bullets strong {
  color: var(--clr-platinum);
  font-weight: 500;
}

.exp__impact {
  margin-bottom: var(--sp-sm);
}

.impact-badge {
  display: inline-block;
  padding: 0.25rem 0.8rem;
  font-family: var(--font-cond);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--clr-accent);
}

.exp__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills__layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--sp-xl);
  align-items: start;
}

.skills__groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

.skill-group {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: var(--sp-md);
}

.skill-group__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-cond);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-sm);
}

.skill-group__icon {
  font-size: 0.5rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-cond);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: transform 0.2s;
}

.skill-tag:hover { transform: translateY(-2px); }

.skill-tag--primary {
  color: var(--clr-white);
  background: rgba(200,121,58,0.1);
  border: 1px solid rgba(200,121,58,0.3);
}

.skill-tag--secondary {
  color: var(--clr-platinum);
  background: rgba(200,207,212,0.05);
  border: 1px solid var(--clr-border-2);
}

.skill-tag--tertiary {
  color: var(--clr-muted);
  background: transparent;
  border: 1px solid var(--clr-border);
}

/* Skill bars */
.skills__bars {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: var(--sp-lg);
  position: sticky;
  top: calc(var(--nav-h) + var(--sp-lg));
}

.skills__bars-title {
  font-family: var(--font-cond);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-md);
}

.bar-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.bar-item__label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.78rem;
  color: var(--clr-silver);
}

.bar-item__pct {
  font-family: var(--font-cond);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--clr-accent);
}

.bar-track {
  height: 2px;
  background: var(--clr-border-2);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(to right, var(--clr-accent), var(--clr-accent-2));
  transition: width 1.4s var(--ease);
  box-shadow: 0 0 8px var(--clr-accent-glow);
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

.project-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--clr-border-3);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

/* Featured card spans full width */
.project-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-card--featured .project-card__visual {
  height: auto;
  min-height: 300px;
}

/* Project visuals */
.project-card__visual {
  height: 180px;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.project-card__img {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

/* When replacing with real image, set .project-card__img to contain an <img> tag */
/* Unique gradient backgrounds */
.project-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-unmute-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 10;
  background: rgba(15, 23, 42, 0.6); /* Dark navy to match your theme */
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

.video-unmute-btn:hover {
  background: rgba(15, 23, 42, 0.9);
  border-color: #ffffff;
}

/* Style for when audio is ON (you can swap icons via JS if you want) */
.video-unmute-btn.is-unmuted {
  background: #2563eb; /* Use your primary blue color */
}
.project-card__img--1 { background: linear-gradient(135deg, #0d1829 0%, #1a3050 40%, rgba(200,121,58,0.25) 100%); }
/* .project-card__img--2 { background: linear-gradient(135deg, #0c1a10 0%, #1a3820 50%, rgba(80,180,100,0.2) 100%); } */
.project-card__img--2 {
    background-image: url('../assets/naxto1.png');
    background-size: cover;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}
/* .project-card__img--3 { background: linear-gradient(135deg, #1a1508 0%, #3a2c10 50%, rgba(200,160,50,0.2) 100%); } */
.project-card__img--3 {
    background-image: url('../assets/fotonoticia_20251209133228_1920.png');
    background-size: cover;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}
.project-card__img--4 { background: linear-gradient(135deg, #0e0e20 0%, #1e1a40 50%, rgba(120,80,200,0.2) 100%); }
/* .project-card__img--5 { background: linear-gradient(135deg, #1a100a 0%, #3a1e0e 50%, rgba(200,80,40,0.2) 100%); } */
.project-card__img--5 {
    background-image: url('../assets/hpr_cranseds.png');
    background-size: cover;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}
/*.project-card__img--6 { background: linear-gradient(135deg, #0a1520 0%, #0e2a40 50%, rgba(40,120,200,0.2) 100%); } */
.project-card__img--6 {
    background-image: url('../assets/PARTC_VelocityContourNuestro.png');
    background-size: cover;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}
.project-card__img--7 {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    background-image: url('../assets/CranSEDS_Transparent.png');
    background-size: contain;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}
.project-card__img--8 {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    background-image: url('../assets/videoteam1.jpg');
    background-size: cover;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}
.project-card__img--9 {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    background-image: url('../assets/IMG_0576.jpg');
    background-size: cover;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}
.project-card__img--10 {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    background-image: url('../assets/1713991648116.jpg');
    background-size: cover;
    background-position: center;
    /* This removes the default semi-transparent grid if you don't want it */
    background-blend-mode: normal; 
    opacity: 1;
}

.project-card__img-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.project-card__img-label {
  position: absolute;
  bottom: var(--sp-sm);
  left: var(--sp-sm);
  font-family: var(--font-cond);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(4px);
}

.project-card__source {
  position: absolute;
  top: var(--sp-sm);
  right: var(--sp-sm);
  font-family: var(--font-cond);
  font-size: 0.6rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.05em;
}

.project-card__body {
  padding: var(--sp-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
  flex-wrap: wrap;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.project-card__type {
  font-family: var(--font-cond);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  flex-shrink: 0;
  padding-top: 0.25rem;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.project-card__desc {
  font-size: 0.83rem;
  color: var(--clr-silver);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--sp-sm);
}

.project-card__outcomes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.outcome {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  font-family: var(--font-cond);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent);
  border: 1px solid rgba(200,121,58,0.35);
  background: rgba(200,121,58,0.06);
}

/* ============================================================
   ACHIEVEMENTS
   ============================================================ */
.achieve__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}

.achieve-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-accent);
  padding: var(--sp-lg);
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}

.achieve-card:hover {
  border-color: var(--clr-border-3);
  border-left-color: var(--clr-accent-2);
  transform: translateY(-3px);
}

.achieve-card__year {
  position: absolute;
  top: var(--sp-sm);
  right: var(--sp-sm);
  font-family: var(--font-cond);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--clr-muted);
}

.achieve-card__icon {
  font-size: 1.2rem;
  color: var(--clr-accent);
  margin-bottom: 0.7rem;
  display: block;
}

.achieve-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.5rem;
}

.achieve-card p {
  font-size: 0.83rem;
  color: var(--clr-silver);
  line-height: 1.6;
}

/* ============================================================
   LEADERSHIP
   ============================================================ */
.leader__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}

.leader-card {
  display: flex;
  gap: 0;
  overflow: hidden;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  transition: border-color 0.3s, transform 0.3s;
}

.leader-card:hover {
  border-color: var(--clr-border-3);
  transform: translateY(-3px);
}

.leader-card__stripe {
  width: 4px;
  flex-shrink: 0;
}

.leader-card__stripe--1 { background: var(--clr-accent); }
.leader-card__stripe--2 { background: #4a90d9; }

.leader-card__content {
  padding: var(--sp-md);
  min-height: 600px;
}
.leader-card__divider {
    border: none;
    height: 1px;
    background: rgba(255,255,255,0.15);
    margin: 1.5rem 0;
}

.leader-card__date {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.4rem;
}

.leader-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-white);
  margin-bottom: 0.2rem;
}

.leader-card__org {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--clr-muted);
  margin-bottom: var(--sp-sm);
  text-transform: uppercase;
}

.leader-card p {
  font-size: 0.82rem;
  color: var(--clr-silver);
  line-height: 1.65;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--clr-bg-2); }

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-2xl);
  align-items: start;
}

.contact__lead {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--clr-white);
  line-height: 1.7;
  margin-bottom: var(--sp-lg);
}

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

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--sp-lg);
  border: 1px solid var(--clr-border);
  overflow: hidden;
}

.contact__row {
  display: flex;
  align-items: baseline;
  gap: var(--sp-md);
  padding: 0.9rem var(--sp-md);
  border-bottom: 1px solid var(--clr-border);
  transition: background 0.2s, border-color 0.2s;
}

.contact__row:last-child { border-bottom: none; }
.contact__row:hover { background: rgba(255,255,255,0.02); }

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

.contact__row-label {
  font-family: var(--font-cond);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  width: 80px;
  flex-shrink: 0;
}

.contact__row-value {
  font-size: 0.87rem;
  color: var(--clr-silver);
  transition: color 0.2s;
}

.contact__social {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.1rem;
  font-family: var(--font-cond);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-silver);
  border: 1px solid var(--clr-border-2);
  transition: all 0.25s;
}

.social-link:hover {
  color: var(--clr-accent);
  border-color: var(--clr-accent);
}

/* Contact form */
.contact__form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  padding: var(--sp-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

.form-group {
  margin-bottom: var(--sp-md);
}

.form-group label {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  color: var(--clr-platinum);
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.25s, background 0.25s;
  resize: vertical;
  -webkit-appearance: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  background: rgba(255,255,255,0.02);
}

.form__note {
  font-family: var(--font-cond);
  font-size: 0.62rem;
  color: var(--clr-muted);
  margin-top: var(--sp-sm);
  letter-spacing: 0.02em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding: var(--sp-xl) 0 var(--sp-lg);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex-direction: column;
}

.footer__monogram {
  font-family: var(--font-cond);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--clr-accent);
  width: 44px; height: 44px;
  border: 1px solid rgba(200,121,58,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-white);
}

.footer__tagline {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.65rem;
  color: var(--clr-muted);
  letter-spacing: 0.08em;
  margin-top: 0.2rem;
}

.footer__nav {
  display: flex;
  gap: var(--sp-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__nav a {
  font-family: var(--font-cond);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  transition: color 0.2s;
}

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

.footer__copy {
  font-family: var(--font-cond);
  font-size: 0.65rem;
  color: var(--clr-muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   RESPONSIVE — TABLET ≤ 960px
   ============================================================ */
@media (max-width: 960px) {

  .nav__toggle { display: flex; }
  .nav__logo-sub { display: none; }

  .nav__links {
    display: none;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(19,20,22,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-lg);
    z-index: 999;
  }
  .nav__links.open { display: flex; }
  .nav__link { font-size: 1rem; }

  .about__layout { grid-template-columns: 1fr; }
  .portrait { margin: 0 auto; }
  .about__langs { flex-direction: row; flex-wrap: wrap; }

  .exp__item { grid-template-columns: 1fr; }
  .exp__meta {
    flex-direction: row;
    align-items: center;
    gap: var(--sp-sm);
  }
  .exp__line { display: none; }

  .skills__layout { grid-template-columns: 1fr; }
  .skills__bars { position: static; }

  .projects__grid { grid-template-columns: 1fr 1fr; }
  .project-card--featured { grid-column: auto; grid-template-columns: 1fr; }
  .project-card--featured .project-card__visual { height: 220px; }

  .achieve__grid { grid-template-columns: 1fr; }
  .leader__grid { grid-template-columns: 1fr; }

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

/* ============================================================
   RESPONSIVE — MOBILE ≤ 600px
   ============================================================ */
@media (max-width: 600px) {

  :root { --sp-2xl: 5rem; }

  .container { padding: 0 var(--sp-sm); }

  .hero__title { font-size: clamp(2.8rem, 12vw, 4.5rem); }
  .hero__title--sub { font-size: clamp(1.5rem, 6vw, 2.2rem); }
  .hero__actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }

  .hero__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-md);
  }
  .stat__divider { display: none; }

  .section__header { flex-wrap: wrap; }
  .section__header-rule { display: none; }
  .section__header-tag { display: none; }

  .skills__groups { grid-template-columns: 1fr; }

  .projects__grid { grid-template-columns: 1fr; }

  .edu__timeline { padding-left: 1.5rem; }

  .nav__logo-name { font-size: 0.75rem; }
}