/* ===========================
   CSS RESET & ROOT VARIABLES
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:      #F5F2EC;
  --ink:     #1A1814;
  --ink2:    #6B6760;
  --accent:  #C84B2F;
  --card:    #EDEAE2;
  --border:  rgba(26, 24, 20, 0.12);
  --stripe:  #635BFF;
  --paypal:  #003087;
  --serif:   'DM Serif Display', Georgia, serif;
  --sans:    'DM Sans', sans-serif;
  --mono:    'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}


/* ===========================
   NAVIGATION
   =========================== */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
  transition: transform 0.3s ease;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink2);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.nav-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--ink);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.mobile-menu.open { display: flex; }

.mobile-link {
  padding: 1rem 1.5rem;
  text-decoration: none;
  color: var(--ink);
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

.mobile-link:hover { color: var(--accent); }


/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-size: 0.875rem;
  font-family: var(--sans);
  font-weight: 400;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  text-align: center;
}

.btn:hover {
  background: var(--ink);
  color: var(--bg);
}

.btn-fill {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-fill:hover {
  background: #A33A20;
  border-color: #A33A20;
  color: #fff;
}

/* Stripe button */
.btn-stripe {
  background: var(--stripe);
  color: #fff;
  border-color: var(--stripe);
  font-size: 0.8rem;
  padding: 0.65rem 1rem;
}

.btn-stripe:hover {
  background: #4f49d4;
  border-color: #4f49d4;
  color: #fff;
}

/* PayPal button */
.btn-paypal {
  background: var(--paypal);
  color: #fff;
  border-color: var(--paypal);
  font-size: 0.8rem;
  padding: 0.65rem 1rem;
}

.btn-paypal:hover {
  background: #001f5c;
  border-color: #001f5c;
  color: #fff;
}


/* ===========================
   HERO
   =========================== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 88vh;
  border-bottom: 1px solid var(--border);
}

.hero-left {
  padding: 5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-right: 1px solid var(--border);
}

.hero-tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.2s forwards;
}

.hero-name {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.35s forwards;
}

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

.hero-desc {
  font-size: 1.05rem;
  color: var(--ink2);
  max-width: 380px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.5s forwards;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.65s forwards;
}

.hero-right {
  padding: 5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual {
  width: 320px;
  height: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  position: relative;
  opacity: 0;
  animation: fadeIn 1s ease 0.8s forwards;
}

.avatar-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--bg);
}

.hero-visual-name {
  font-family: var(--serif);
  font-size: 1.3rem;
}

.hero-visual-role {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink2);
  letter-spacing: 0.08em;
}

.hero-visual-badge {
  position: absolute;
  bottom: -1px;
  right: -1px;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 0.4rem 0.8rem;
  letter-spacing: 0.06em;
}


/* ===========================
   SECTION SHARED
   =========================== */
section { border-bottom: 1px solid var(--border); }

.section-inner { padding: 5rem 3rem; }

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::after {
  content: '';
  height: 1px;
  background: var(--border);
  flex: 1;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

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


/* ===========================
   ABOUT
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--ink2);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.skills-heading {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.skills-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.skill-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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


/* ===========================
   PROJECTS
   =========================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
}

.project-card {
  padding: 2rem;
  border-right: 1px solid var(--border);
  transition: background 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.project-card:last-child { border-right: none; }
.project-card:hover { background: var(--card); }

.project-num {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.project-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--ink2);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  color: var(--ink2);
  letter-spacing: 0.06em;
}


/* ===========================
   COURSES
   =========================== */
.courses-sub {
  color: var(--ink2);
  font-size: 1rem;
  margin-bottom: 3rem;
  margin-top: -0.5rem;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.course-card {
  background: #fff;
  border: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s;
}

.course-card:hover {
  border-color: rgba(26, 24, 20, 0.3);
}

.course-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.course-type {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
}

.course-type.video {
  background: #EEF2FF;
  color: #4338CA;
}

.course-type.ebook {
  background: #F0FDF4;
  color: #166534;
}

.course-type.coaching {
  background: #FFF7ED;
  color: #9A3412;
}

.course-badge {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.6rem;
  background: var(--accent);
  color: #fff;
}

.course-badge.limited {
  background: #1A1814;
}

.course-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  line-height: 1.2;
}

.course-desc {
  font-size: 0.875rem;
  color: var(--ink2);
  line-height: 1.6;
}

.course-includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.course-includes li {
  font-size: 0.8rem;
  color: var(--ink2);
  padding-left: 1rem;
  position: relative;
}

.course-includes li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.course-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.price-amount {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--ink);
}

.price-original {
  font-size: 0.875rem;
  color: var(--ink2);
  text-decoration: line-through;
}

.price-label {
  font-size: 0.8rem;
  color: var(--ink2);
}

.course-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Guarantee bar */
.guarantee {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  background: #F0FDF4;
}

.guarantee-icon {
  font-size: 1.2rem;
  color: #166534;
  flex-shrink: 0;
}

.guarantee p {
  font-size: 0.875rem;
  color: var(--ink2);
}

.guarantee strong {
  color: var(--ink);
  font-weight: 500;
}


/* ===========================
   TIMELINE
   =========================== */
.timeline { display: flex; flex-direction: column; }

.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.timeline-item:last-child { border-bottom: none; }

.timeline-date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink2);
  letter-spacing: 0.04em;
  padding-top: 0.2rem;
}

.timeline-role {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.875rem;
  color: var(--ink2);
  line-height: 1.6;
}


/* ===========================
   CONTACT
   =========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.contact-title em {
  font-style: italic;
  color: var(--accent);
}

.contact-sub {
  color: var(--ink2);
  font-size: 0.9rem;
  max-width: 340px;
}

.contact-links { display: flex; flex-direction: column; }

.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--ink);
  font-size: 1rem;
  transition: color 0.2s;
}

.contact-link:first-child { border-top: 1px solid var(--border); }
.contact-link:hover { color: var(--accent); }

.contact-link-arrow {
  font-size: 1.2rem;
  transition: transform 0.2s;
}

.contact-link:hover .contact-link-arrow {
  transform: translate(4px, -4px);
}


/* ===========================
   FOOTER
   =========================== */
footer {
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink2);
  letter-spacing: 0.05em;
}


/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}


/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .courses-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .nav-menu-btn { display: block; }

  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-right { display: none; }
  .hero-left { padding: 3rem 1.5rem; min-height: 80vh; justify-content: center; border-right: none; }

  .section-inner { padding: 3rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-card { border-right: none; border-bottom: 1px solid var(--border); }
  .project-card:last-child { border-bottom: none; }

  .timeline-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }

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