/* ==========================================================================
   Andrea Ong-Potapov Portfolio — Light Editorial Design
   ========================================================================== */

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

:root {
  --color-bg: #FAFAF8;
  --color-bg-alt: #F2F0EC;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #5A5A58;
  --color-text-tertiary: #8A8A86;
  --color-accent: #2C2C2C;
  --color-accent-hover: #4A4A48;
  --color-border: #E2E0DC;
  --color-border-light: #EDEBE7;
  --color-highlight: #C9A96E;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1200px;
  --max-width-narrow: 780px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.2; }

h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; color: var(--color-text-tertiary); }

p { max-width: 65ch; }
p + p { margin-top: 1.2em; }

.text-large { font-size: 1.25rem; line-height: 1.65; color: var(--color-text-secondary); }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }
.container--narrow { max-width: var(--max-width-narrow); margin: 0 auto; padding: 0 var(--space-md); }

section { padding: var(--space-xl) 0; }


/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.nav.scrolled { border-bottom-color: var(--color-border-light); }

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.2rem var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo img {
  height: 32px;
  width: auto;
  display: block;
}

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

.nav__link {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-highlight);
  transition: width var(--transition);
}

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

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  margin: 6px 0;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero__content { max-width: 800px; }

.hero__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-highlight);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.hero h1 { margin-bottom: var(--space-md); }

.hero__text {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 600px;
}

.hero__cta {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover { background: var(--color-accent-hover); }

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

.btn__arrow {
  transition: transform var(--transition);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* --- Section Headers --- */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header h4 { margin-bottom: var(--space-xs); }
.section-header h2 { margin-top: 0.5rem; }

/* --- Case Studies Grid --- */
.case-studies-grid {
  display: grid;
  gap: var(--space-md);
}

.case-study-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  max-width: 1200px;
}

.case-study-card:hover {
  border-color: var(--color-border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.06);
}

.case-study-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.case-study-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-study-card:hover .case-study-card__image img {
  transform: scale(1.03);
}

.case-study-card__content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-study-card__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.skill-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-border-light);
  background: var(--color-bg);
}

.case-study-card h3 { margin-bottom: 0.5rem; }

.case-study-card__subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.case-study-card__overview {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.case-study-card__link {
  margin-top: auto;
  padding-top: var(--space-md);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.case-study-card__link span { transition: transform var(--transition); }
.case-study-card:hover .case-study-card__link span { transform: translateX(4px); }

/* --- Blog Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.blog-card:hover {
  border-color: var(--color-border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.06);
}

.blog-card__image {
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-card:hover .blog-card__image img { transform: scale(1.03); }

.blog-card__content { padding: var(--space-md); }

.blog-card__date {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 0.75rem;
}

.blog-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.blog-card__subtitle {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-sm);
}

/* --- Coaching --- */
.coaching {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.coaching__hero {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.coaching__tagline {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.coaching__hero h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.coaching__intro {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
}

.coaching__intro h3 {
  margin-bottom: var(--space-sm);
}

.coaching__intro p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
}

.coaching__what-i-can-do {
  margin-bottom: var(--space-xl);
}

.coaching__what-i-can-do h3 {
  margin-bottom: var(--space-md);
}

.coaching__what-i-can-do p {
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: var(--space-sm);
}

.coaching__target-audience {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg);
  border-left: 3px solid var(--color-highlight);
}

.coaching__target-audience h4 {
  margin-bottom: 0.75rem;
}

.coaching__target-audience ul li {
  color: var(--color-text-secondary);
  padding: 0.3rem 0 0.3rem 1.25rem;
  position: relative;
}

.coaching__target-audience ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-highlight);
  font-weight: bold;
}

.coaching__programs {
  margin-bottom: var(--space-xl);
}

.coaching__program {
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
}

.coaching__program h3 {
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.coaching__program-desc {
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.coaching__outcomes {
  margin-bottom: var(--space-md);
}

.coaching__outcomes h4 {
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.coaching__outcomes ul li {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  padding: 0.35rem 0 0.35rem 1.25rem;
  position: relative;
}

.coaching__outcomes ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-highlight);
  font-weight: bold;
}

.coaching__pricing {
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.coaching__pricing h4 {
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.pricing-tiers {
  padding-left: 0;
}

.pricing-tiers li {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  padding: 0.4rem 0;
  list-style: none;
}

.pricing-tiers strong {
  color: var(--color-text);
  font-weight: 500;
}

.coaching__follow-up {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-light);
}

.coaching__follow-up p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
  font-style: italic;
}

.coaching__testimonials-section {
  margin-bottom: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.coaching__testimonials-section h3 {
  text-align: center;
  margin-bottom: var(--space-lg);
}

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

.coaching__testimonial {
  padding: var(--space-md);
  background: var(--color-bg);
  border-left: 3px solid var(--color-highlight);
}

.coaching__testimonial p {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.coaching__testimonial footer {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.coaching__testimonial strong {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-style: normal;
  color: var(--color-text);
}

.coaching__testimonial span {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-style: normal;
  color: var(--color-text-tertiary);
}

.coaching__cta {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
}

.coaching__cta p {
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
  margin: 0 auto var(--space-md);
  max-width: 600px;
}

@media (max-width: 768px) {
  .coaching__tagline { font-size: 1.1rem; }
}

/* --- About / Bio --- */
.about {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

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

.about__image {
  position: sticky;
  top: 8rem;
}

.about__image img {
  width: 300px;
  height: 300px;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 50%;
  filter: grayscale(10%);
}

.about__content h2 { margin-bottom: var(--space-md); }

.about__intro {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.about__body p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

.about__skills {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.about__skills h4 { margin-bottom: var(--space-sm); }

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skills-list .skill-tag {
  background: var(--color-bg);
}

/* --- Contact --- */
.contact { text-align: center; }

.contact h2 { margin-bottom: var(--space-sm); }
.contact .text-large {
  margin: 0 auto var(--space-lg);
  max-width: 500px;
}

.contact-form {
  max-width: 520px;
  margin: 0 auto;
  text-align: left;
}

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

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus { border-color: var(--color-text); }

.form-group textarea { resize: vertical; min-height: 140px; }

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

.contact__alt {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.contact__alt p {
  font-size: 0.9rem;
  color: var(--color-text-tertiary);
  margin: 0 auto;
}

.contact__alt a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.contact__alt a:hover { border-color: var(--color-text); }

/* --- Footer --- */
.footer {
  padding: var(--space-lg) 0 var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
}

.footer__social {
  display: flex;
  gap: 1.5rem;
}

.footer__social a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  transition: color var(--transition);
}

.footer__social a:hover { color: var(--color-text); }

/* --- Case Study Detail --- */
.detail-hero {
  padding-top: 8rem;
  padding-bottom: var(--space-lg);
}

.detail-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-lg);
  transition: color var(--transition);
}

.detail-hero__back:hover { color: var(--color-text); }

.detail-hero h1 { margin-bottom: var(--space-sm); }

.detail-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.detail-hero__meta-item h4 { margin-bottom: 0.3rem; }
.detail-hero__meta-item p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
}

.detail-content { padding-bottom: var(--space-xl); }

.detail-content__section {
  margin-bottom: var(--space-lg);
}

.detail-content__section h3 {
  margin-bottom: var(--space-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.detail-content__section p {
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
}

.detail-content__section ul {
  list-style: disc;
  padding-left: 1.5rem;
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
}

.detail-content__section li {
  margin-bottom: 0.4rem;
}

.detail-content__demonstrates {
  background: var(--color-bg-alt);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.detail-content__demonstrates h4 { margin-bottom: var(--space-sm); }

.detail-content__demonstrates li {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  padding: 0.4rem 0;
  padding-left: 1rem;
  position: relative;
}

.detail-content__demonstrates li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  background: var(--color-highlight);
}

/* --- Blog Detail --- */
.blog-detail__image {
  margin-bottom: var(--space-lg);
  border: 1px solid var(--color-border-light);
}

.blog-detail__image img {
  width: 100%;
}

.blog-detail__content p {
  color: var(--color-text-secondary);
  font-size: 1.08rem;
  line-height: 1.8;
}

.blog-detail__content a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.3s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Image Placeholders --- */
.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .case-study-card { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .about__image { position: static; max-width: 400px; }
}

@media (max-width: 768px) {
  section { padding: var(--space-lg) 0; }
  .hero { min-height: 80vh; }

  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    width: 240px;
    max-width: 80vw;
    height: auto;
    background: var(--color-surface);
    flex-direction: column;
    justify-content: flex-start;
    gap: 1.5rem;
    padding: var(--space-md) var(--space-lg);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-left: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    box-shadow: -4px 4px 24px rgba(0, 0, 0, 0.12);
    border-bottom-left-radius: 8px;
    z-index: 200;
  }

  .nav__links.open { transform: translateX(0); }

  .nav__toggle { display: block; z-index: 300; }

  .nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 150;
  }

  .nav__overlay.open { opacity: 1; visibility: visible; }

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

  .footer__inner { flex-direction: column; gap: var(--space-sm); text-align: center; }

  .hero__cta { flex-direction: column; }
  .hero__cta .btn { text-align: center; justify-content: center; }

  .detail-hero__meta { flex-direction: column; gap: var(--space-sm); }
}

@media (max-width: 480px) {
  :root { --space-md: 1.25rem; }
  .case-study-card__content { padding: var(--space-md); }
}

/* --- Password Gate --- */
.password-gate {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.password-gate__box {
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.password-gate__icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  opacity: 0.4;
}

.password-gate__box h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.password-gate__box p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.password-gate__form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.password-gate__input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-text);
  text-align: center;
  letter-spacing: 0.2em;
  transition: border-color var(--transition);
}

.password-gate__input:focus {
  outline: none;
  border-color: var(--color-highlight);
}

.password-gate__input.error {
  border-color: #c0392b;
  animation: shake 0.3s ease;
}

.password-gate__error {
  font-size: 0.85rem;
  color: #c0392b;
  min-height: 1.2em;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* --- Print --- */
@media print {
  .nav, .contact-form, .footer__social, .btn { display: none; }
  body { background: white; color: black; }
  section { padding: 1rem 0; }
}