/* ============================================================
   AGUSTINA ZUBELDIA — Portfolio
   styles.css
   ============================================================ */

/* ── 1. Custom Properties ── */
:root {
  --color-aqua:       #5ecfbf;
  --color-aqua-light: #a8ede5;
  --color-aqua-dark:  #3ab0a0;
  --color-aqua-pale:  #e8f9f7;
  --color-white:      #ffffff;
  --color-off-white:  #f7fffe;
  --color-text:       #1a2e2b;
  --color-text-mid:   #4a6b65;
  --color-text-light: #8ab5ae;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'DM Sans', sans-serif;

  --radius-sm: 0.3rem;
  --radius-md: 0.5rem;
  --radius-full: 2rem;

  --shadow-soft:   0 4px 20px rgba(94, 207, 191, 0.12);
  --shadow-medium: 0 8px 40px rgba(94, 207, 191, 0.16);
  --shadow-strong: 0 16px 48px rgba(94, 207, 191, 0.22);

  --transition-base: 0.3s ease;
  --transition-slow: 0.7s ease;
}

/* ── 2. Reset & Base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ── 3. Custom Cursor ── */
.cursor {
  width: 10px;
  height: 10px;
  background: var(--color-aqua);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--color-aqua);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.35s ease;
  mix-blend-mode: multiply;
}

/* ── 4. Navigation ── */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 4rem;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(94, 207, 191, 0.15);
  animation: fadeDown 0.8s ease forwards;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-aqua-dark);
  letter-spacing: 0.02em;
}

.nav__list {
  display: flex;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-mid);
  position: relative;
  transition: color var(--transition-base);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-aqua);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-aqua-dark);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

/* ── 5. Reusable Components ── */

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: background var(--transition-base),
              color var(--transition-base),
              transform 0.2s ease,
              box-shadow var(--transition-base);
}

.btn--primary {
  background: var(--color-aqua);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(94, 207, 191, 0.3);
}

.btn--primary:hover {
  background: var(--color-aqua-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(94, 207, 191, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-aqua-dark);
  border: 1.5px solid var(--color-aqua);
}

.btn--outline:hover {
  background: var(--color-aqua-pale);
  transform: translateY(-2px);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-eyebrow {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-aqua-dark);
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-text);
}

.section-title em {
  font-style: italic;
  color: var(--color-aqua-dark);
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 6. Hero ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 8rem 4rem 4rem;
  position: relative;
  overflow: hidden;
  background: var(--color-off-white);
  gap: 4rem;
}

/* Decorative background circles */
.hero__circle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-aqua-light) 0%, transparent 70%);
  opacity: 0.35;
  animation: floatCircle 12s ease-in-out infinite;
  pointer-events: none;
}

.hero__circle--1 { width: 600px; height: 600px; top: -150px; right: -100px; animation-delay: 0s; }
.hero__circle--2 { width: 300px; height: 300px; bottom: 50px;  left: 8%;   animation-delay: 4s; }
.hero__circle--3 { width: 180px; height: 180px; top: 30%;      right: 20%; animation-delay: 7s; opacity: 0.2; }

/* Hero content (left column) */
.hero__content {
  position: relative;
  z-index: 2;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-aqua-pale);
  border: 1px solid var(--color-aqua-light);
  color: var(--color-aqua-dark);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.3s forwards;
}

.hero__tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-aqua);
  border-radius: 50%;
  display: inline-block;
}

.hero__name {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--color-text);
  opacity: 0;
  animation: fadeUp 0.9s ease 0.5s forwards;
}

.hero__name em {
  font-style: italic;
  color: var(--color-aqua-dark);
}

.hero__subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-mid);
  margin-top: 1rem;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.7s forwards;
}

.hero__desc {
  margin-top: 1.8rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-mid);
  max-width: 480px;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.9s forwards;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.9s ease 1.1s forwards;
}

/* Hero photo (right column) */
.hero__photo-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.6s forwards;
}

.hero__photo-frame {
  position: relative;
  width: 340px;
  height: 420px;
}

.hero__photo-frame::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 2px solid var(--color-aqua-light);
  border-radius: var(--radius-md);
  z-index: 0;
}

.hero__photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-md);
  position: relative;
  z-index: 1;
  box-shadow: 0 20px 60px rgba(94, 207, 191, 0.2);
}

.hero__badge {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: var(--color-white);
  border: 1px solid var(--color-aqua-light);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.2rem;
  box-shadow: var(--shadow-medium);
  z-index: 2;
}

.hero__badge-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-aqua-dark);
  line-height: 1;
}

.hero__badge-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.hero__badge2 {
  position: absolute;
  top: -16px;
  right: -24px;
  background: var(--color-aqua);
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  z-index: 2;
}

.hero__badge2 span {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-white);
  letter-spacing: 0.08em;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s ease 1.6s forwards;
}

.scroll-hint__label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.scroll-hint__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-aqua), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ── 7. About ── */
.about {
  padding: 7rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  background: var(--color-white);
}

.about__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.about__title em {
  font-style: italic;
  color: var(--color-aqua-dark);
}

.about__text p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text-mid);
  margin-bottom: 1rem;
}

.about__highlight {
  border-left: 3px solid var(--color-aqua);
  padding-left: 1rem;
  font-style: italic;
  color: var(--color-text);
  margin: 1.5rem 0;
  font-size: 1.05rem;
}

.about__cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.stat-mini {
  text-align: center;
  background: var(--color-white);
  border: 1px solid var(--color-aqua-light);
  border-radius: var(--radius-md);
  padding: 1.2rem 0.5rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-mini:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.stat-mini__num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-aqua-dark);
}

.stat-mini__label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: 0.2rem;
}

.info-card {
  background: var(--color-aqua-pale);
  border: 1px solid var(--color-aqua-light);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.6rem;
}

.info-card--dark {
  background: var(--color-text);
  border-color: transparent;
}

.info-card__label {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-aqua-dark);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.info-card--dark .info-card__label {
  color: var(--color-aqua-light);
}

.info-card__value {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-text);
  line-height: 1.5;
}

.info-card--dark .info-card__value {
  color: var(--color-white);
}

.info-card__value small {
  font-size: 0.85rem;
  color: var(--color-text-mid);
  font-family: var(--font-sans);
}

/* ── 8. Experience Timeline ── */
.experience {
  padding: 7rem 4rem;
  background: var(--color-aqua-pale);
}

.timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-aqua-light);
  transform: translateX(-50%);
}

.timeline__item {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: start;
  margin-bottom: 3rem;
}

.timeline__item--left .timeline__content  { grid-column: 1; text-align: right; padding-right: 2rem; }
.timeline__item--left .timeline__dot      { grid-column: 2; }
.timeline__item--left .timeline__empty    { grid-column: 3; }

.timeline__item--right .timeline__empty   { grid-column: 1; }
.timeline__item--right .timeline__dot     { grid-column: 2; }
.timeline__item--right .timeline__content { grid-column: 3; padding-left: 2rem; }

.timeline__dot {
  display: flex;
  justify-content: center;
  padding-top: 0.4rem;
}

.timeline__dot-inner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-aqua);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-aqua);
}

.timeline__card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.6rem;
  border: 1px solid rgba(94, 207, 191, 0.2);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-strong);
}

.timeline__period {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-aqua-dark);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.timeline__role {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}

.timeline__company {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-mid);
  margin-bottom: 0.8rem;
}

.timeline__tasks li {
  font-size: 0.85rem;
  color: var(--color-text-mid);
  line-height: 1.6;
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.25rem;
}

.timeline__tasks li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--color-aqua);
}

/* ── 9. Services ── */
.services {
  padding: 7rem 4rem;
  background: var(--color-white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.service-card {
  background: var(--color-aqua-pale);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  border: 1px solid rgba(94, 207, 191, 0.2);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base),
              background var(--transition-base);
  cursor: default;
  opacity: 0;
  transform: translateY(30px);
}

.service-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
  border-color: var(--color-aqua);
  background: var(--color-white);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  transition: background var(--transition-base);
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 0.8rem;
}

.service-card__desc {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-text-mid);
}

/* ── 10. Skills ── */
.skills {
  padding: 7rem 4rem;
  background: var(--color-text);
  color: var(--color-white);
}

.skills .section-eyebrow { color: var(--color-aqua-light); }
.skills .section-title   { color: var(--color-white); }

.skills__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.skill-bar {
  margin-bottom: 1.8rem;
}

.skill-bar__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.skill-bar__name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-white);
}

.skill-bar__pct {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-aqua-light);
}

.skill-bar__track {
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-aqua), var(--color-aqua-light));
  border-radius: 2px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills__tools-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-aqua-light);
  margin-bottom: 1.2rem;
  font-weight: 500;
}

.tools-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-content: start;
}

.tool-chip {
  background: rgba(94, 207, 191, 0.12);
  border: 1px solid rgba(94, 207, 191, 0.25);
  color: var(--color-aqua-light);
  font-size: 0.78rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
  cursor: default;
}

.tool-chip:hover {
  background: rgba(94, 207, 191, 0.22);
}

/* ── 11. Education ── */
.education {
  padding: 6rem 4rem;
  background: var(--color-off-white);
}

.education__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.edu-card {
  background: var(--color-white);
  border: 1px solid var(--color-aqua-light);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.edu-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.edu-card__year {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-aqua-dark);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.edu-card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 0.3rem;
}

.edu-card__inst {
  font-size: 0.85rem;
  color: var(--color-text-mid);
  line-height: 1.5;
}

.edu-card__grade {
  display: inline-block;
  margin-top: 0.7rem;
  background: var(--color-aqua-pale);
  color: var(--color-aqua-dark);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
}

/* ── 12. Contact ── */
.contact {
  padding: 7rem 4rem;
  background: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-aqua-light) 0%, transparent 70%);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.25;
  pointer-events: none;
}

.contact__desc {
  font-size: 1rem;
  color: var(--color-text-mid);
  max-width: 460px;
  margin: 1rem auto 2.5rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.contact-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--color-off-white);
  border: 1px solid var(--color-aqua-light);
  color: var(--color-text);
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform 0.2s ease;
}

.contact-chip:hover {
  border-color: var(--color-aqua);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}
@media (max-width: 960px) {
  .nav__logo {
    font-size: 1rem;
  }

  .nav__list {
    display: none;
  }
}

/* ── 13. Footer ── */
.footer {
  padding: 2rem 4rem;
  background: var(--color-text);
  border-top: 1px solid rgba(94, 207, 191, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-aqua-light);
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

/* ── 14. Animations ── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes floatCircle {
  0%,  100% { transform: translate(0, 0) scale(1); }
  33%        { transform: translate(20px, -30px) scale(1.05); }
  66%        { transform: translate(-15px, 20px) scale(0.97); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* ── 15. Responsive ── */
@media (max-width: 960px) {
  /* Nav */
  .nav { padding: 1.2rem 1.5rem; }
  .nav__list { gap: 1.2rem; }
  .nav__link { font-size: 0.7rem; }

  /* Hero */
  .hero {
    grid-template-columns: 1fr;
    padding: 7rem 1.5rem 5rem;
    gap: 2.5rem;
  }
  .hero__photo-wrap { order: -1; }
  .hero__photo-frame { width: 240px; height: 300px; }

  /* About */
  .about {
    grid-template-columns: 1fr;
    padding: 5rem 1.5rem;
    gap: 3rem;
  }

  /* Experience */
  .experience { padding: 5rem 1.5rem; }
  .timeline::before { left: 20px; }
  .timeline__item {
    grid-template-columns: 40px 1fr;
  }
  .timeline__item--left .timeline__content,
  .timeline__item--right .timeline__content {
    grid-column: 2;
    text-align: left;
    padding-left: 1.5rem;
    padding-right: 0;
  }
  .timeline__item--left .timeline__dot  { grid-column: 1; grid-row: 1; }
  .timeline__item--right .timeline__dot { grid-column: 1; grid-row: 1; }
  .timeline__empty { display: none; }

  /* Services */
  .services { padding: 5rem 1.5rem; }
  .services__grid { grid-template-columns: 1fr; }

  /* Skills */
  .skills { padding: 5rem 1.5rem; }
  .skills__layout { grid-template-columns: 1fr; gap: 3rem; }

  /* Education */
  .education { padding: 5rem 1.5rem; }
  .education__grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact { padding: 5rem 1.5rem; }

  /* Footer */
  .footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    padding: 1.5rem;
  }
}