/* =========================================
   KAREN SIERRA — PORTFOLIO LANDING
   ========================================= */

:root {
  --green-deep:   #1C3829;
  --green-mid:    #2D5A3D;
  --green-sage:   #5B8C6E;
  --green-light:  #A8C4B4;
  --green-mist:   #E8F0EC;
  --cream:        #F5F2ED;
  --off-white:    #FAF9F7;
  --charcoal:     #1A1E1C;
  --grey:         #6B7570;
  --grey-light:   #C5CCC8;
  --gold:         #8C7B5A;
  --gold-light:   #C4B08A;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;

  --radius:       12px;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--charcoal);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ── UTILITY ─────────────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-sage);
  margin-bottom: 0.75rem;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.section-header h2 { margin-bottom: 1rem; }

.section-desc {
  color: var(--grey);
  font-size: 1.05rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
}

h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
h3 { font-size: 1.4rem; }

p { color: var(--grey); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
p strong { color: var(--charcoal); font-weight: 500; }

/* ── BUTTONS ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--green-mid);
  color: #fff;
  border-color: var(--green-mid);
}
.btn-primary:hover {
  background: var(--green-deep);
  border-color: var(--green-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(29, 56, 41, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}

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

/* ── NAVBAR ──────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(28, 56, 41, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  color: #fff;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  transition: var(--transition);
}
.nav-links a:hover { color: #fff; }

.nav-cta {
  background: rgba(255,255,255,0.12);
  padding: 0.5rem 1.2rem;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.25) !important;
}
.nav-cta:hover { background: rgba(255,255,255,0.22) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--green-deep);
  padding: 1rem 2rem 1.5rem;
  gap: 1rem;
}
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu.open { display: flex; }

/* ── HERO ────────────────────────────────── */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--green-deep);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(45, 90, 61, 0.6) 0%, transparent 70%),
    radial-gradient(ellipse 40% 80% at 10% 80%, rgba(91, 140, 110, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 80px,
      rgba(255,255,255,0.015) 80px,
      rgba(255,255,255,0.015) 81px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 80px,
      rgba(255,255,255,0.015) 80px,
      rgba(255,255,255,0.015) 81px
    );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1140px;
  margin: 0 auto;
  padding: 8rem 2rem 5rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: flex-end;
}

.hero-text {
  display: flex;
  flex-direction: column;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 1.5rem;
}

.hero-name {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 300;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 1.5rem;
}

.hero-name em {
  font-style: italic;
  color: var(--gold-light);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── HERO PHOTO ──────────────────────────── */
.hero-photo {
  position: relative;
  align-self: flex-end;
}

.hero-photo-wrap {
  position: relative;
  width: 340px;
}

.hero-photo-wrap::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 85%;
  height: 60%;
  background: radial-gradient(ellipse at center bottom, rgba(91,140,110,0.35) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-photo-wrap img {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 1;
  mix-blend-mode: lighten;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.35));
}

.hero-photo-badge {
  position: absolute;
  bottom: 3rem;
  left: -1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(28, 56, 41, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(91,140,110,0.35);
  padding: 0.55rem 1rem;
  border-radius: 50px;
  z-index: 3;
  white-space: nowrap;
}

.hero-photo-badge span:last-child {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.75);
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--green-sage);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulseDot 2s ease-in-out infinite;
  min-width: unset !important;
  padding: 0 !important;
}

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

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 2;
}

.hero-scroll span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
}

.scroll-line {
  width: 60px;
  height: 1px;
  background: rgba(255,255,255,0.25);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gold-light);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%   { left: -100%; }
  50%  { left: 0; }
  100% { left: 100%; }
}

/* ── STATS ───────────────────────────────── */
#stats {
  background: var(--green-mid);
  padding: 4rem 2rem;
}

.stats-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem 1rem;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 300;
  color: #fff;
  line-height: 1;
}

.stat-unit {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold-light);
  vertical-align: top;
  margin-top: 0.3rem;
  display: inline-block;
}

.stat p {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-top: 0.5rem;
}

/* ── SOBRE MÍ ────────────────────────────── */
#sobre-mi {
  padding: 7rem 0;
  background: var(--off-white);
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--green-deep);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
  z-index: 2;
}

.about-card-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(196, 176, 138, 0.15);
  color: var(--gold-light);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 2px;
  border: 1px solid rgba(196, 176, 138, 0.25);
  width: fit-content;
}

.about-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.6;
  border-left: 2px solid var(--green-sage);
  padding-left: 1.2rem;
}

.about-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255,255,255,0.05);
  padding: 1rem 1.2rem;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.08);
}

.badge-icon {
  font-size: 1.4rem;
  color: var(--gold-light);
}

.about-badge strong {
  display: block;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
}
.about-badge small {
  color: rgba(255,255,255,0.45);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.about-deco {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 60%;
  height: 60%;
  background: var(--green-mist);
  border-radius: var(--radius);
  z-index: 1;
}

.about-text { padding-left: 1rem; }

.about-text h2 { margin-bottom: 1.5rem; }

.about-skills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin: 1.5rem 0 2rem;
}

.about-skills li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--charcoal);
}

.skill-dot {
  width: 6px;
  height: 6px;
  background: var(--green-sage);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── SERVICIOS ───────────────────────────── */
#servicios {
  padding: 7rem 0;
  background: var(--cream);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  padding: 2rem 1.8rem 1.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--grey-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-mid), var(--green-sage));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: 0 12px 40px rgba(29, 56, 41, 0.1);
  transform: translateY(-4px);
  border-color: var(--green-light);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green-sage);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.2rem;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

.service-card p { font-size: 0.9rem; line-height: 1.7; }

.service-arrow {
  display: inline-block;
  margin-top: 1rem;
  color: var(--green-sage);
  font-size: 1.1rem;
  transition: var(--transition);
}

.service-card:hover .service-arrow { transform: translateX(5px); }

/* ── EXPERIENCIA / TIMELINE ──────────────── */
#experiencia {
  padding: 7rem 0;
  background: var(--off-white);
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--green-mid), var(--green-light), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 3.5rem;
}
.timeline-item:last-child { margin-bottom: 0; }

.tl-dot {
  position: absolute;
  left: -2.55rem;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green-mid);
  border: 3px solid var(--off-white);
  box-shadow: 0 0 0 2px var(--green-mid);
  transition: var(--transition);
}

.timeline-item:hover .tl-dot {
  background: var(--gold);
  box-shadow: 0 0 0 2px var(--gold);
}

.tl-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--green-sage);
  text-transform: uppercase;
}

.tl-content h3 {
  color: var(--charcoal);
  font-size: 1.3rem;
  margin: 0.35rem 0 0.2rem;
}

.tl-company {
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem !important;
}

.tl-content p { font-size: 0.92rem; line-height: 1.75; }

/* ── FORMACIÓN & RECONOCIMIENTOS ─────────── */
#formacion {
  padding: 7rem 0;
  background: var(--green-deep);
}

#formacion .section-label { color: var(--green-light); }

#formacion h2 { color: #fff; }

#formacion .section-desc { color: rgba(255,255,255,0.5); }

.formacion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 1rem;
}

.form-col-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1.8rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.form-list {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.form-year {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--green-sage);
  min-width: 52px;
  padding-top: 3px;
  letter-spacing: 0.05em;
}

.form-icon {
  font-size: 0.85rem;
  color: var(--gold-light);
  min-width: 20px;
  padding-top: 3px;
}

.form-item div { display: flex; flex-direction: column; gap: 0.2rem; }

.form-item strong {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.4;
}

.form-item span {
  color: rgba(255,255,255,0.45);
  font-size: 0.78rem;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .formacion-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── CONTACTO ────────────────────────────── */
#contacto {
  padding: 7rem 0;
  background: var(--cream);
}

.contact-cols { gap: 5rem; align-items: start; }

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { margin-bottom: 2rem; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.cd-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-mist);
  color: var(--green-mid);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}

.contact-details strong {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 0.15rem;
}

.contact-details a {
  color: var(--charcoal);
  font-size: 0.95rem;
  transition: var(--transition);
}
.contact-details a:hover { color: var(--green-mid); }

/* FORM */
.contact-form {
  background: #fff;
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--grey-light);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1rem 0.6rem;
  background: var(--off-white);
  border: 1.5px solid var(--grey-light);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--charcoal);
  transition: var(--transition);
  outline: none;
  resize: none;
}

.form-group label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  font-size: 0.88rem;
  color: var(--grey);
  pointer-events: none;
  transition: var(--transition);
  background: var(--off-white);
  padding: 0 0.25rem;
}

.form-group textarea ~ label { top: 1.1rem; transform: none; }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green-sage);
  background: #fff;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -0.5rem;
  font-size: 0.72rem;
  color: var(--green-sage);
  background: #fff;
  transform: none;
}

.form-group textarea { min-height: 110px; }

.form-success {
  display: none;
  text-align: center;
  color: var(--green-mid);
  font-size: 0.88rem;
  padding: 0.5rem;
  background: var(--green-mist);
  border-radius: 4px;
}

/* ── FOOTER ──────────────────────────────── */
footer {
  background: var(--green-deep);
  padding: 2.5rem 2rem;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  color: rgba(255,255,255,0.9);
}

footer p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}
.footer-links a:hover { color: rgba(255,255,255,0.85); }

/* ── AOS ANIMATIONS ──────────────────────── */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ──────────────────────────── */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 3rem; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .stat:nth-child(2n) { border-bottom: none; }
  .stat:nth-last-child(-n+2) { border-bottom: none; }
  .about-text { padding-left: 0; }
  .about-deco { display: none; }
  .contact-cols { grid-template-columns: 1fr; }
  #experiencia .section-header { text-align: left; }
}

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    align-items: center;
    text-align: center;
  }
  .hero-photo {
    order: -1;
    display: flex;
    justify-content: center;
  }
  .hero-photo-wrap {
    width: 240px;
  }
  .hero-photo-badge {
    left: 50%;
    transform: translateX(-50%);
    bottom: 1rem;
  }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-label { text-align: center; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .about-skills { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .contact-form { padding: 1.5rem; }
  .timeline { padding-left: 2rem; }
  .hero-photo-wrap { width: 200px; }
}