/* ==========================================================================
   Aprajita Divya — Climate Specialist Portfolio
   ========================================================================== */

:root {
  --color-forest: #1B4332;
  --color-forest-light: #2D6A4F;
  --color-sage: #40916C;
  --color-mint: #52B788;
  --color-leaf: #74C69D;
  --color-pale: #B7E4C7;
  --color-mist: #D8F3DC;
  --color-cream: #F8FAF8;
  --color-white: #FFFFFF;
  --color-charcoal: #1A1A2E;
  --color-gray: #5C6B65;
  --color-gray-light: #8A9A94;
  --color-border: rgba(27, 67, 50, 0.12);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-sm: 0 2px 8px rgba(27, 67, 50, 0.06);
  --shadow-md: 0 8px 32px rgba(27, 67, 50, 0.1);
  --shadow-lg: 0 16px 48px rgba(27, 67, 50, 0.14);
  --shadow-glow: 0 0 80px rgba(82, 183, 136, 0.25);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-charcoal);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--color-forest);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(248, 250, 248, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-forest);
}

.nav__logo-icon {
  font-size: 1.25rem;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray);
  border-radius: var(--radius-full);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-forest);
  background: rgba(82, 183, 136, 0.12);
}

.nav__link--cta {
  background: var(--color-forest);
  color: var(--color-white) !important;
  margin-left: 0.5rem;
}

.nav__link--cta:hover {
  background: var(--color-forest-light);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-forest);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn--primary {
  background: var(--color-forest);
  color: var(--color-white);
  border-color: var(--color-forest);
}

.btn--primary:hover {
  background: var(--color-forest-light);
  border-color: var(--color-forest-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-forest);
  border-color: var(--color-forest);
}

.btn--outline:hover {
  background: var(--color-forest);
  color: var(--color-white);
}

.btn--block {
  width: 100%;
}

.btn--loading .btn__text {
  opacity: 0;
}

.btn--loading .btn__loader {
  display: block;
}

.btn__loader {
  display: none;
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Social Links
   ========================================================================== */

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(27, 67, 50, 0.08);
  color: var(--color-forest);
  transition: all var(--transition);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.social-link:hover {
  background: var(--color-forest);
  color: var(--color-white);
  transform: translateY(-2px);
}

.social-link--lg {
  width: 48px;
  height: 48px;
}

.social-link--lg svg {
  width: 22px;
  height: 22px;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 2rem) 0 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-mist) 50%, rgba(183, 228, 199, 0.4) 100%);
  z-index: 0;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.hero__orb--1 {
  width: 500px;
  height: 500px;
  background: var(--color-leaf);
  top: -10%;
  right: -5%;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: var(--color-sage);
  bottom: 10%;
  left: -10%;
}

.hero__orb--3 {
  width: 300px;
  height: 300px;
  background: var(--color-pale);
  top: 40%;
  left: 30%;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: rgba(27, 67, 50, 0.08);
  color: var(--color-sage);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-forest);
  margin-bottom: 1.25rem;
}

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

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-gray);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__socials {
  display: flex;
  gap: 0.75rem;
}

.hero__image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero__image-glow {
  position: absolute;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 40%;
  background: radial-gradient(ellipse, rgba(82, 183, 136, 0.35) 0%, transparent 70%);
  filter: blur(20px);
}

.hero__image {
  position: relative;
  max-height: 75vh;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(27, 67, 50, 0.15));
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-gray-light);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
  z-index: 1;
}

.hero__scroll svg {
  width: 20px;
  height: 20px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sage);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-forest);
  line-height: 1.2;
  max-width: 640px;
}

.section-header--center .section-title {
  margin-left: auto;
  margin-right: auto;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--color-gray);
  max-width: 560px;
  margin-top: 1rem;
}

/* ==========================================================================
   About
   ========================================================================== */

.about {
  background: var(--color-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__text p {
  font-size: 1.0625rem;
  color: var(--color-gray);
  margin-bottom: 1.25rem;
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__stats {
  display: grid;
  gap: 1.25rem;
}

.stat-card {
  padding: 1.5rem;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-card__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-forest);
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat-card__label {
  font-size: 0.9375rem;
  color: var(--color-gray);
  font-weight: 500;
}

/* ==========================================================================
   Expertise
   ========================================================================== */

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

.expertise-card {
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-leaf);
}

.expertise-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.expertise-card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 0.75rem;
}

.expertise-card__desc {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.6;
}

/* ==========================================================================
   Resume
   ========================================================================== */

.resume {
  background: var(--color-white);
}

.resume__layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
}

.timeline-item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item__marker {
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 12px;
  height: 12px;
  background: var(--color-mint);
  border: 3px solid var(--color-pale);
  border-radius: 50%;
}

.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 1.25rem;
  bottom: 0;
  width: 2px;
  background: var(--color-pale);
}

.timeline-item__date {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-sage);
  margin-bottom: 0.375rem;
}

.timeline-item__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 0.25rem;
}

.timeline-item__org {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-gray);
  margin-bottom: 0.5rem;
}

.timeline-item__desc {
  font-size: 0.9375rem;
  color: var(--color-gray-light);
}

.resume-card {
  padding: 1.5rem;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 1.25rem;
}

.resume-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.resume-card__list li {
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  color: var(--color-gray);
}

.resume-card__list li strong {
  display: block;
  color: var(--color-charcoal);
  font-weight: 600;
}

.resume-card__list li span {
  font-size: 0.875rem;
  color: var(--color-gray-light);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  padding: 0.375rem 0.875rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-forest);
}

/* ==========================================================================
   Blog
   ========================================================================== */

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

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.blog-card__link {
  display: block;
  height: 100%;
}

.blog-card__image {
  height: 180px;
  background: var(--blog-gradient, linear-gradient(135deg, var(--color-forest) 0%, var(--color-sage) 100%));
  display: flex;
  align-items: flex-start;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.blog-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.blog-card__category {
  position: relative;
  z-index: 1;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.blog-card__body {
  padding: 1.5rem;
}

.blog-card__date {
  font-size: 0.8125rem;
  color: var(--color-gray-light);
  margin-bottom: 0.5rem;
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-gray);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.blog-card__read {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-sage);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-mist) 100%);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact__desc {
  font-size: 1.0625rem;
  color: var(--color-gray);
  margin: 1rem 0 2rem;
}

.contact__details {
  margin-bottom: 2rem;
}

.contact__detail {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  color: var(--color-forest);
  transition: color var(--transition);
}

.contact__detail:hover {
  color: var(--color-sage);
}

.contact__detail svg {
  width: 20px;
  height: 20px;
}

.contact__socials {
  display: flex;
  gap: 0.75rem;
}

.contact-form {
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-charcoal);
  background: var(--color-cream);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-mint);
  box-shadow: 0 0 0 4px rgba(82, 183, 136, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #E63946;
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: #E63946;
  margin-top: 0.375rem;
  min-height: 1.25rem;
}

.form-status {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: center;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(82, 183, 136, 0.15);
  color: var(--color-forest);
}

.form-status.error {
  display: block;
  background: rgba(230, 57, 70, 0.1);
  color: #C1121F;
}

#submit-btn {
  position: relative;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding: 2.5rem 0;
  background: var(--color-forest);
  color: rgba(255, 255, 255, 0.8);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-white);
}

.site-footer__copy {
  font-size: 0.875rem;
}

.site-footer__socials {
  display: flex;
  gap: 0.75rem;
}

.site-footer .social-link {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.site-footer .social-link:hover {
  background: var(--color-white);
  color: var(--color-forest);
}

/* ==========================================================================
   Blog Article Pages
   ========================================================================== */

.article-header {
  padding: calc(var(--header-height) + 3rem) 0 3rem;
  background: linear-gradient(135deg, var(--color-forest) 0%, var(--color-sage) 100%);
  color: var(--color-white);
}

.article-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  transition: color var(--transition);
}

.article-header__back:hover {
  color: var(--color-white);
}

.article-header__back svg {
  width: 16px;
  height: 16px;
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.article-header__category {
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.article-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  max-width: 720px;
}

.article-content {
  padding: 4rem 0 6rem;
  background: var(--color-white);
}

.article-content__inner {
  max-width: 720px;
  margin: 0 auto;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-forest);
  margin: 2.5rem 0 1rem;
}

.article-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-forest);
  margin: 2rem 0 0.75rem;
}

.article-content p {
  font-size: 1.0625rem;
  color: var(--color-gray);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

.article-content ul,
.article-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--color-gray);
}

.article-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.article-content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background: var(--color-cream);
  border-left: 4px solid var(--color-mint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-forest);
}

/* ==========================================================================
   Animations
   ========================================================================== */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__socials {
    justify-content: center;
  }

  .hero__image-wrap {
    order: -1;
  }

  .hero__image {
    max-height: 50vh;
  }

  .hero__scroll {
    display: none;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__stats {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: 1rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.875rem;
  }

  .nav__link--cta {
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .section {
    padding: 4rem 0;
  }

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

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

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

  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .contact-form {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .stat-card__number {
    font-size: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}