/* ============================================
   DESIGN SYSTEM
   ============================================ */
:root {
  --color-line: rgba(255, 255, 255, 0.45);
  --color-line-strong: rgba(255, 255, 255, 0.7);
  --color-text: #ffffff;
  --color-text-dim: #ffffff;
  --color-glass: rgba(0, 0, 0, 0.35);
  --color-glass-strong: rgba(0, 0, 0, 0.45);
  --border: 2px solid var(--color-line);

  --font-heading: 'Antonio', sans-serif;
  --font-body: 'Archivo Narrow', sans-serif;
}

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

html {
  scroll-behavior: auto;
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

body {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-text);
  background: #000;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

canvas {
  display: block;
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0b0b0b;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-inner {
  text-align: center;
  width: min(400px, 80vw);
}

.preloader-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-text-dim);
  display: block;
  margin-bottom: 1.875rem;
}

.preloader-bar-track {
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.15);
}

.preloader-bar-fill {
  width: 0%;
  height: 100%;
  background: #fff;
  transition: width 0.1s linear;
}

.preloader-percent {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 3.125rem;
  color: #fff;
  display: block;
  margin-top: 1.25rem;
  letter-spacing: -1px;
}

.preloader-note {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.35);
  display: block;
  margin-top: 1.5rem;
}

/* ============================================
   F1 HERO SECTION
   ============================================ */
#f1-hero {
  position: relative;
  height: 1200vh;
}

#ambient-canvas {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110%;
  height: 110%;
  filter: blur(40px) saturate(1.3);
  z-index: 0;
  pointer-events: none;
}

#f1-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 1;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, black 8%, black 92%, transparent 100%);
}

/* ============================================
   SCROLL PANELS (Overlays on F1 Canvas)
   ============================================ */
.scroll-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  padding: 5vh 0;
}

#panel-hero {
  opacity: 1;
  visibility: visible;
}

.scroll-panel.active {
  pointer-events: auto;
}

.panel-inner {
  max-height: 88vh;
  overflow-y: auto;
  scrollbar-width: none;
}

.panel-inner::-webkit-scrollbar {
  display: none;
}

.panel-inner {
  -webkit-overflow-scrolling: touch;
}

/* Layout Variations */
.panel-center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.panel-left {
  width: min(810px, 92vw);
  margin-right: auto;
  margin-left: clamp(2.5rem, 6vw, 6.25rem);
}

.panel-right {
  width: min(810px, 92vw);
  margin-left: auto;
  margin-right: clamp(2.5rem, 6vw, 6.25rem);
}

.panel-center-wide {
  width: min(1200px, 95vw);
  text-align: center;
}

/* ============================================
   PANEL TYPOGRAPHY
   ============================================ */
.panel-label {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--color-text-dim);
  display: block;
  margin-bottom: 1.25rem;
}

.panel-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(3.125rem, 8.75vw, 5.625rem);
  text-transform: uppercase;
  letter-spacing: -2px;
  line-height: 0.9;
  color: #fff;
  margin-bottom: 2.2rem;
}

/* ============================================
   PANEL 1: HERO
   ============================================ */
.hero-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(5rem, 18vw, 12.5rem);
  text-transform: uppercase;
  letter-spacing: -4px;
  line-height: 0.85;
  color: #fff;
}

.hero-line {
  width: 100px;
  height: 2px;
  background: var(--color-line-strong);
  margin: 1.875rem 0;
}

.hero-role {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  text-transform: uppercase;
  letter-spacing: 8px;
  color: var(--color-text-dim);
}

/* ============================================
   PANEL 2: ABOUT
   ============================================ */
.panel-box {
  border: var(--border);
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 2.5rem;
  margin-bottom: 1.875rem;
}

.panel-box p {
  font-size: 1.375rem;
  line-height: 1.7;
  color: var(--color-text);
}

.panel-box p + p {
  margin-top: 1.25rem;
}

.stat-row {
  display: flex;
  gap: 0;
  border: var(--border);
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.stat-item {
  flex: 1;
  padding: 1.875rem 1.5rem;
  text-align: center;
  border-right: var(--border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 3.4rem;
  letter-spacing: -1px;
  color: #fff;
  display: block;
}

.stat-text {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-dim);
  display: block;
  margin-top: 0.45rem;
}

/* ============================================
   PANEL 3: EXPERIENCE
   ============================================ */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.exp-card {
  border: var(--border);
  border-bottom: none;
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.875rem 2.2rem;
}

.exp-card:last-child {
  border-bottom: var(--border);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.45rem;
}

.exp-company {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.75rem;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: #fff;
}

.exp-location {
  font-size: 1rem;
  color: var(--color-text-dim);
  margin-left: 0.625rem;
}

.exp-period {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-dim);
}

.exp-role {
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-line-strong);
  display: block;
  margin-bottom: 0.95rem;
}

.exp-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
}

.exp-highlights li {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--color-text-dim);
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.exp-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 3px;
  background: var(--color-line-strong);
}

/* ============================================
   PANEL 4: PROJECTS
   ============================================ */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.proj-card {
  border: var(--border);
  border-bottom: none;
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 2.2rem 2.5rem;
}

.proj-card:last-child {
  border-bottom: var(--border);
}

.proj-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.875rem;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 0.625rem;
}

.proj-period {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-dim);
  display: block;
  margin-bottom: 0.75rem;
}

.proj-desc {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-dim);
  margin-bottom: 0.95rem;
}

.proj-impact {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.95rem;
  padding-left: 0.95rem;
  border-left: 2px solid var(--color-line-strong);
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.proj-tags span {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.45rem 1.05rem;
  border: var(--border);
  color: var(--color-text-dim);
}

/* ============================================
   PANEL 5: SKILLS
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: var(--border);
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.skill-block {
  padding: 1.875rem;
  border-right: var(--border);
  border-bottom: var(--border);
}

.skill-block:nth-child(3n) {
  border-right: none;
}

.skill-block:nth-child(n+4) {
  border-bottom: none;
}

.skill-block h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.375rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 1.05rem;
}

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

.skill-pills span {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.375rem 0.875rem;
  border: var(--border);
  color: var(--color-text-dim);
  transition: border-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   PANEL 6: EDUCATION & CERTS
   ============================================ */
.edu-card {
  border: var(--border);
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.875rem 2.2rem;
  margin-bottom: 0.95rem;
}

.edu-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.7rem;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 0.5rem;
}

.edu-institution {
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-dim);
}

.edu-desc {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-dim);
  margin-top: 0.75rem;
}

.cert-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0.95rem;
}

.cert-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.125rem 1.5rem;
  border: var(--border);
  border-bottom: none;
  background: var(--color-glass);
}

.cert-item:last-child {
  border-bottom: var(--border);
}

a.cert-item {
  text-decoration: none;
  transition: background 0.3s ease;
}

a.cert-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.cert-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  text-transform: uppercase;
  color: #fff;
}

.cert-detail {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-dim);
  padding: 0.3rem 0.75rem;
  border: var(--border);
}

/* ============================================
   PANEL 7: CONTACT
   ============================================ */
.contact-headline {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(4.375rem, 17.5vw, 10rem);
  text-transform: uppercase;
  letter-spacing: -4px;
  line-height: 0.85;
  color: #fff;
}

.contact-email {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1.5rem;
  letter-spacing: 2px;
  color: var(--color-text-dim);
  border-bottom: 2px solid var(--color-line);
  padding-bottom: 0.375rem;
  margin-bottom: 3.125rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.contact-email:hover {
  color: #fff;
  border-color: #fff;
}

.contact-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.contact-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border: var(--border);
  color: var(--color-text-dim);
  transition: color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.contact-links a:hover {
  color: #fff;
  border-color: #fff;
  transform: translateY(-3px);
}

.contact-phone {
  overflow: hidden;
  transition: width 0.4s ease, border-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.phone-icon {
  flex-shrink: 0;
}

.phone-number {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 2px;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  margin-left: 0;
  transition: width 0.4s ease, opacity 0.3s ease, margin-left 0.3s ease;
}

.contact-phone:hover {
  width: auto !important;
  padding: 0 1.5rem;
}

.contact-phone:hover .phone-number {
  width: 180px;
  opacity: 1;
  margin-left: 0.75rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* --- Tablet (768px and below) --- */
@media (max-width: 768px) {
  .panel-left,
  .panel-right {
    width: 92vw;
    margin-left: 4vw;
    margin-right: 4vw;
  }

  .panel-center-wide {
    width: 96vw;
  }

  .panel-inner {
    max-height: 85vh;
  }

  .panel-title {
    font-size: clamp(2.25rem, 7vw, 3.5rem);
    margin-bottom: 1.5rem;
  }

  .panel-box {
    padding: 1.5rem;
    margin-bottom: 1.25rem;
  }

  .panel-box p {
    font-size: 1.15rem;
    line-height: 1.6;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .stat-item {
    padding: 1.25rem 0.75rem;
  }

  .stat-text {
    font-size: 0.85rem;
    letter-spacing: 1px;
  }

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

  .skill-block:nth-child(3n) {
    border-right: var(--border);
  }

  .skill-block:nth-child(2n) {
    border-right: none;
  }

  .skill-block:nth-child(n+4) {
    border-bottom: var(--border);
  }

  .skill-block:nth-child(n+5) {
    border-bottom: none;
  }

  .skill-block {
    padding: 1.25rem;
  }

  .exp-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .exp-card {
    padding: 1.25rem 1.5rem;
  }

  .exp-highlights li {
    font-size: 1.05rem;
  }

  .proj-card {
    padding: 1.5rem;
  }

  .proj-title {
    font-size: 1.5rem;
  }

  .proj-desc {
    font-size: 1.1rem;
  }

  .proj-impact {
    font-size: 1rem;
  }

  .edu-card {
    padding: 1.25rem 1.5rem;
    margin-bottom: 0.75rem;
  }

  .edu-card h3 {
    font-size: 1.4rem;
  }

  .cert-item {
    padding: 0.875rem 1rem;
  }

  .cert-name {
    font-size: 1.1rem;
  }

  .cert-detail {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
  }

  .contact-email {
    font-size: 1.2rem;
    margin-bottom: 2rem;
  }

  .contact-links a {
    width: 56px;
    height: 56px;
  }
}

/* --- Mobile (480px and below) --- */
@media (max-width: 480px) {
  .panel-inner {
    max-height: 82vh;
  }

  .panel-label {
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
  }

  .panel-title {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
    margin-bottom: 1rem;
    letter-spacing: -1px;
  }

  .hero-name {
    font-size: clamp(3rem, 14vw, 5rem);
    letter-spacing: -2px;
  }

  .hero-role {
    font-size: clamp(0.85rem, 2.5vw, 1.1rem);
    letter-spacing: 4px;
  }

  .hero-line {
    width: 60px;
    margin: 1.25rem 0;
  }

  /* About panel */
  .panel-box {
    padding: 1.125rem;
    margin-bottom: 1rem;
  }

  .panel-box p {
    font-size: 1rem;
    line-height: 1.55;
  }

  .stat-row {
    flex-direction: column;
  }

  .stat-item {
    padding: 1rem 0.75rem;
    border-right: none;
    border-bottom: var(--border);
  }

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

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

  .stat-text {
    font-size: 0.8rem;
  }

  /* Experience */
  .exp-card {
    padding: 1rem 1.125rem;
  }

  .exp-company {
    font-size: 1.35rem;
  }

  .exp-role {
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    margin-bottom: 0.65rem;
  }

  .exp-highlights li {
    font-size: 0.95rem;
    line-height: 1.45;
    margin-bottom: 0.35rem;
  }

  /* Projects */
  .proj-card {
    padding: 1.125rem;
  }

  .proj-title {
    font-size: 1.3rem;
    margin-bottom: 0.375rem;
  }

  .proj-period {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
  }

  .proj-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0.65rem;
  }

  .proj-impact {
    font-size: 0.9rem;
    margin-bottom: 0.65rem;
  }

  .proj-tags {
    gap: 0.4rem;
  }

  .proj-tags span {
    font-size: 0.8rem;
    padding: 0.3rem 0.7rem;
  }

  /* Skills */
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .skill-block {
    border-right: none !important;
    border-bottom: var(--border) !important;
    padding: 1rem;
  }

  .skill-block:last-child {
    border-bottom: none !important;
  }

  .skill-block h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
  }

  .skill-pills span {
    font-size: 0.8rem;
    padding: 0.3rem 0.625rem;
  }

  /* Education */
  .edu-card {
    padding: 1rem 1.125rem;
    margin-bottom: 0.5rem;
  }

  .edu-card h3 {
    font-size: 1.25rem;
  }

  .edu-institution {
    font-size: 0.9rem;
  }

  .edu-desc {
    font-size: 1rem;
    margin-top: 0.5rem;
  }

  /* Certifications */
  .cert-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.375rem;
    padding: 0.75rem 1rem;
  }

  .cert-name {
    font-size: 1rem;
  }

  .cert-detail {
    font-size: 0.75rem;
  }

  /* Contact */
  .contact-headline {
    font-size: clamp(2.75rem, 13vw, 4.375rem);
    letter-spacing: -2px;
  }

  .contact-email {
    font-size: 1rem;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
  }

  .contact-links {
    gap: 1rem;
  }

  .contact-links a {
    width: 48px;
    height: 48px;
  }

  .contact-links a svg {
    width: 18px;
    height: 18px;
  }
}

/* --- Small mobile (360px and below) --- */
@media (max-width: 360px) {
  .panel-inner {
    max-height: 80vh;
  }

  .hero-name {
    font-size: clamp(2.5rem, 13vw, 3.5rem);
  }

  .panel-title {
    font-size: 1.5rem;
  }

  .panel-box p {
    font-size: 0.9rem;
  }

  .stat-number {
    font-size: 1.75rem;
  }

  .exp-company {
    font-size: 1.2rem;
  }

  .exp-highlights li {
    font-size: 0.875rem;
  }

  .proj-title {
    font-size: 1.15rem;
  }

  .proj-desc {
    font-size: 0.875rem;
  }

  .cert-name {
    font-size: 0.9rem;
  }

  .contact-headline {
    font-size: clamp(2.25rem, 12vw, 3rem);
  }
}