@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

:root {
  --bg: #070707;
  --surface: #111111;
  --surface-strong: #181818;
  --text: #f5f5f5;
  --muted: #b4b4b4;
  --accent: #fbff00;
  --accent-dark: #b1b100;
}

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

html {
  font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #151515 0%, #090909 55%, #000 100%);
  color: var(--text);
}

body.modal-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}


/* =========================================
   NAVBAR
========================================= */

.navbar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 32px;
  background: rgba(0, 0, 0, 0.9);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1rem;
}

.logo {
  width: 40px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover {
  background: rgba(251, 255, 0, 0.18);
  transform: translateY(-1px);
}

.nav-links a.active {
  background: var(--accent);
  color: #000000;
}


/* =========================================
   GENERAL
========================================= */

main {
  width: min(1180px, 90%);
  margin: 0 auto;
  padding: 40px 0 80px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 18px;
}


/* =========================================
   HOME / HERO
========================================= */

.hero {
  min-height: calc(100vh - 84px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 80px 24px;
}

.hero h1 {
  font-size: clamp(2.8rem, 4vw, 4.8rem);
  line-height: 1.02;
  margin-bottom: 20px;
}

.hero p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}


/* =========================================
   GENERAL CARDS
========================================= */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.card {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
}

.card h2 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.card p {
  color: var(--muted);
  line-height: 1.75;
}


/* =========================================
   PAGE CONTENT
========================================= */

.page-content {
  width: min(860px, 90%);
  margin: 40px auto;
  padding: 0 24px;
}

.page-content h1 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.page-content p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-content a {
  color: var(--accent);
}


/* =========================================
   SECTION HEADINGS
========================================= */

.featured {
  margin-top: 100px;
}

.section-heading {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 40px;
}

.section-heading .eyebrow {
  margin-bottom: 8px;
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.1;
  margin-bottom: 10px;
}

.section-heading>p:last-child {
  color: var(--muted);
}


/* =========================================
   SHEET MUSIC
========================================= */

.sheetmusic-page {
  width: min(1180px, 90%);
  margin: 0 auto;
  padding: 70px 0 100px;
}

.sheetmusic-header {
  text-align: center;
  margin-bottom: 45px;
}

.sheetmusic-header h1 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.1;
  margin-bottom: 12px;
}

.sheetmusic-header>p:last-child {
  color: var(--muted);
  max-width: 650px;
  margin: 0 auto;
}


/* SEARCH */

.sheet-search {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.sheet-search input {
  width: min(600px, 100%);
  padding: 15px 20px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  outline: none;
  font: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.sheet-search input::placeholder {
  color: #777;
}

.sheet-search input:focus {
  border-color: rgba(251, 255, 0, 0.6);
  background: rgba(255, 255, 255, 0.07);
}


/* GRID */

.sheet-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}


/* CARD */

.sheet-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease,
    background 0.25s ease;
}

.sheet-card:hover {
  transform: translateY(-6px);
  border-color: rgba(251, 255, 0, 0.45);
  background: rgba(255, 255, 255, 0.06);
}


/* IMAGE */

.sheet-image {
  width: 100%;
  height: 320px;
  overflow: hidden;
  background: #0b0b0b;
}

.sheet-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 15%;
  transition: transform 0.35s ease;
}

.sheet-card:hover .sheet-image img {
  transform: scale(1.03);
}


/* CARD INFO */

.sheet-info {
  padding: 22px;
}

.difficulty {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(251, 255, 0, 0.12);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sheet-info h3 {
  margin-top: 14px;
  margin-bottom: 3px;
  font-size: 1.3rem;
}

.sheet-info p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}


/* VIEW BUTTON */

.sheet-button {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #000;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.sheet-button:hover {
  background: #ffffff;
  transform: translateX(3px);
}


/* NO RESULTS */

.no-results {
  display: none;
  text-align: center;
  color: var(--muted);
  padding: 50px;
}


/* =========================================
   SHEET MUSIC CTA
========================================= */

.sheet-cta {
  margin: 80px 0;
  padding: 55px 30px;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
}

.sheet-cta h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 12px;
}

.sheet-cta>p:not(.eyebrow) {
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 25px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  background: var(--accent);
  color: #000;
  border-radius: 10px;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.cta-button:hover {
  background: #ffffff;
  transform: translateY(-2px);
}


/* =========================================
   PDF POPUP
========================================= */

.pdf-modal {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: none;
  padding: 30px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
}

.pdf-modal.open {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdf-window {
  width: min(1200px, 100%);
  height: min(90vh, 950px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #101010;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.7),
    0 0 30px rgba(251, 255, 0, 0.08);
}

.pdf-header {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 22px;
  background: #0b0b0b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pdf-header h2 {
  font-size: 1.25rem;
}

.pdf-header span {
  color: var(--accent);
  font-size: 0.8rem;
}

.close-pdf {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: white;
  font-size: 1.7rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.close-pdf:hover {
  background: var(--accent);
  color: #000;
}

.pdf-toolbar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 10px 18px;
  background: #151515;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.85rem;
}

.pdf-controls,
.page-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pdf-tool {
  min-width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.pdf-tool:hover {
  background: var(--accent);
  color: #000;
}

.download-button {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: 9px;
  background: var(--accent);
  color: #000;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

.download-button:hover {
  background: white;
  transform: translateY(-1px);
}

.pdf-viewer {
  flex: 1;
  overflow: auto;
  padding: 30px;
  background: #252525;
  text-align: center;
}

.pdf-page {
  display: block;
  max-width: none;
  margin: 0 auto 25px;
  background: white;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.45);
}

.pdf-error,
.pdf-loading {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--muted);
  text-align: center;
}

.pdf-error h3 {
  color: white;
  margin-bottom: 10px;
}

.pdf-error small {
  margin-top: 10px;
  max-width: 600px;
  word-break: break-word;
  opacity: 0.6;
}

.pdf-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(128, 128, 128, 0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: pdfSpin 0.8s linear infinite;
  margin-bottom: 15px;
}

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


/* =========================================
   ABOUT PAGE
========================================= */

.about-hero {
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 20px;
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: "♪  ♫  ♪  ♬  ♪";
  position: absolute;
  font-size: 100px;
  letter-spacing: 50px;
  opacity: 0.035;
  transform: rotate(-8deg);
  white-space: nowrap;
  pointer-events: none;
}

.about-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.about-hero h1 {
  font-size: clamp(50px, 8vw, 100px);
  line-height: 0.95;
  margin: 15px 0 30px;
}

.about-hero h1 span,
.about-final h2 span {
  opacity: 0.45;
}

.about-hero p:not(.eyebrow) {
  max-width: 600px;
  margin: 0 auto 30px;
  font-size: 18px;
  color: var(--muted);
}

.about-scroll-button,
.composer-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid currentColor;
  border-radius: 999px;
  text-decoration: none;
  color: inherit;
  background: transparent;
  cursor: pointer;
  transition: 0.25s ease;
}

.about-scroll-button:hover,
.composer-button:hover {
  transform: translateY(-3px);
  background: rgba(128, 128, 128, 0.12);
}


/* =========================================
   ABOUT SECTIONS
========================================= */

.about-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 110px 25px;
}

.about-section .section-heading {
  margin-bottom: 70px;
}

.why-section {
  max-width: 1200px;
}


/* =========================================
   ABOUT TIMELINE
========================================= */

.timeline {
  position: relative;
  max-width: 800px;
  margin: auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
}

.timeline-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  top: 35px;
  right: -7px;
  z-index: 2;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -7px;
}

.timeline-card {
  padding: 25px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  transition: 0.3s ease;
}

.timeline-card:hover {
  transform: translateY(-5px);
  border-color: rgba(251, 255, 0, 0.35);
}

.timeline-card span {
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.8;
}

.timeline-card h3 {
  margin: 10px 0;
}

.timeline-card p {
  color: var(--muted);
  line-height: 1.6;
}


/* =========================================
   WHY CONCERTOI CARDS
========================================= */

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.about-card {
  padding: 35px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  transition: 0.35s ease;
}

.about-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(251, 255, 0, 0.35);
}

.about-card-icon {
  font-size: 35px;
  margin-bottom: 20px;
}

.about-card h3 {
  margin-bottom: 10px;
}

.about-card p {
  color: var(--muted);
  line-height: 1.6;
}


/* =========================================
   COMPOSER CARD
========================================= */

.composer-section {
  max-width: 1100px;
  margin: auto;
  padding: 40px 25px 120px;
}

.composer-card {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.composer-card h2 {
  font-size: clamp(35px, 5vw, 60px);
  margin: 10px 0;
}

.composer-card p {
  color: var(--muted);
}

.composer-symbol {
  font-size: 220px;
  line-height: 1;
  opacity: 0.06;
  pointer-events: none;
}


/* =========================================
   COMPOSER POPUP
========================================= */

.composer-modal {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 9999;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.composer-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.composer-popup {
  position: relative;
  width: min(550px, 90vw);
  max-height: 85vh;
  overflow-y: auto;
  padding: 50px;
  background: #111111;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 25px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.7),
    0 0 30px rgba(251, 255, 0, 0.06);
  text-align: center;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.25s ease;
}

.composer-modal.open .composer-popup {
  transform: translateY(0) scale(1);
}

.composer-popup h2 {
  font-size: 45px;
  line-height: 1.1;
  margin: 10px 0 20px;
}

.composer-popup p:not(.eyebrow) {
  max-width: 450px;
  margin: 0 auto 15px;
  color: var(--muted);
  line-height: 1.7;
}

.composer-close {
  position: absolute;
  top: 12px;
  right: 15px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: white;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s ease, color 0.2s ease;
}

.composer-close:hover {
  background: var(--accent);
  color: #000;
}


/* =========================================
   ABOUT FINAL
========================================= */

.about-final {
  text-align: center;
  padding: 130px 25px;
}

.about-final h2 {
  font-size: clamp(45px, 7vw, 85px);
  line-height: 1;
  margin: 15px 0 25px;
}

.about-final>p:last-child {
  color: var(--muted);
}


/* =========================================
   SCROLL REVEAL
========================================= */

.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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


/* =========================================
   CONCERTOI — CONTACT PAGE
========================================= */

.contact-page {
  width: min(1180px, 90%);
  margin: 0 auto;
  padding-bottom: 100px;
}


/* =========================================
   CONTACT HERO
========================================= */

.contact-hero {
  position: relative;
  min-height: 55vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.contact-hero::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(251, 255, 0, 0.055);
  filter: blur(110px);
  pointer-events: none;
}

.contact-hero-notes {
  position: absolute;
  right: 8%;
  top: 20%;
  font-size: 180px;
  line-height: 1;
  opacity: 0.035;
  transform: rotate(15deg);
  pointer-events: none;
}

.contact-hero h1 {
  position: relative;
  font-size: clamp(3.2rem, 8vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  margin-bottom: 30px;
}

.contact-hero h1 span {
  display: block;
  color: var(--accent);
}

.contact-hero>p:last-child {
  position: relative;
  max-width: 620px;
  color: var(--muted);
  font-size: 1.05rem;
}


/* =========================================
   CONTACT SECTION
========================================= */

.contact-section {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 25px;
  align-items: stretch;
}


/* =========================================
   FORM CARD
========================================= */

.contact-form-card {
  padding: 42px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.contact-form-card:hover {
  border-color: rgba(251, 255, 0, 0.2);
}

.contact-form-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 35px;
}

.contact-form-top .eyebrow {
  margin-bottom: 5px;
}

.contact-form-top h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.1;
}

.contact-form-icon {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: var(--accent);
  color: #000;
  font-size: 1.8rem;
  box-shadow: 0 0 30px rgba(251, 255, 0, 0.12);
}


/* =========================================
   FORM
========================================= */

.modern-contact-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.contact-input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-field label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #d5d5d5;
}


/* =========================================
   INPUTS
========================================= */

.contact-field input,
.contact-field select,
.contact-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 13px;
  background: rgba(0, 0, 0, 0.28);
  color: var(--text);
  outline: none;
  font: inherit;
  transition: border-color 0.2s ease, background 0.2s ease,
    box-shadow 0.2s ease, transform 0.2s ease;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: #666;
}


/* =========================================
   TOPIC DROPDOWN — FIXED
========================================= */

.contact-field select {
  appearance: auto;
  -webkit-appearance: auto;
  cursor: pointer;

  /* Makes the closed dropdown clearly visible */
  background-color: #111111;
  color: #ffffff;

  /* Keep the dropdown readable */
  min-height: 52px;
}

.contact-field select option {
  background-color: #111111;
  color: #ffffff;
  padding: 12px;
}

.contact-field select option:checked {
  background-color: #fbff00;
  color: #000000;
}

.contact-field select:focus {
  border-color: var(--accent);
  background-color: #111111;
  color: #ffffff;
}


/* =========================================
   TEXTAREA
========================================= */

.contact-field textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.6;
}


/* =========================================
   FOCUS
========================================= */

.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  border-color: rgba(251, 255, 0, 0.7);
  background: rgba(251, 255, 0, 0.025);
  box-shadow: 0 0 0 3px rgba(251, 255, 0, 0.06);
  transform: translateY(-1px);
}


/* =========================================
   SEND BUTTON
========================================= */

.contact-send {
  width: 100%;
  margin-top: 5px;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: none;
  border-radius: 13px;
  background: var(--accent);
  color: #000;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease,
    box-shadow 0.2s ease;
}

.contact-send span {
  font-size: 1.2rem;
  transition: transform 0.2s ease;
}

.contact-send:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.contact-send:hover span {
  transform: translateX(4px);
}

.contact-send:active {
  transform: translateY(0);
}

.contact-send:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}


/* =========================================
   SIDE CARDS
========================================= */

.contact-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-side-card,
.contact-quick-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 25px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.035);
  transition: transform 0.25s ease, border-color 0.25s ease,
    background 0.25s ease, box-shadow 0.25s ease;
}

.contact-side-card:hover {
  transform: translateY(-5px);
  border-color: rgba(251, 255, 0, 0.35);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.side-card-icon,
.quick-number {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  background: rgba(251, 255, 0, 0.1);
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 700;
}

.contact-side-card span,
.contact-quick-card span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: var(--accent);
}

.contact-side-card h3,
.contact-quick-card h3 {
  margin: 4px 0;
  font-size: 1.15rem;
}

.contact-side-card p,
.contact-quick-card p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.contact-side-card strong {
  margin-left: auto;
  font-size: 1.2rem;
  opacity: 0.5;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.contact-side-card:hover strong {
  opacity: 1;
  transform: translate(3px, -3px);
}

.contact-quick-card {
  align-items: flex-start;
  flex: 1;
}

.contact-quick-card .quick-number {
  font-size: 1.5rem;
}


/* =========================================
   FAQ
========================================= */

.contact-faq {
  margin-top: 140px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}

.faq-heading h2 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  margin: 10px 0 20px;
}

.faq-heading>p:last-child {
  color: var(--muted);
  max-width: 350px;
  line-height: 1.7;
}

.faq-list {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-list details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-weight: 600;
  transition: color 0.2s ease;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary:hover {
  color: var(--accent);
}

.faq-list summary span {
  color: var(--accent);
  font-size: 1.5rem;
  transition: transform 0.25s ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  color: var(--muted);
  line-height: 1.7;
  padding: 0 40px 22px 5px;
}


/* =========================================
   FINAL SECTION
========================================= */

.contact-final {
  position: relative;
  margin-top: 150px;
  padding: 100px 25px;
  text-align: center;
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at center,
      rgba(251, 255, 0, 0.07),
      transparent 60%);
}

.contact-final::before {
  content: "♫";
  position: absolute;
  left: 7%;
  top: 10%;
  font-size: 130px;
  opacity: 0.025;
  transform: rotate(-15deg);
  pointer-events: none;
}

.contact-final::after {
  content: "♪";
  position: absolute;
  right: 7%;
  bottom: 5%;
  font-size: 150px;
  opacity: 0.025;
  transform: rotate(15deg);
  pointer-events: none;
}

.contact-final h2 {
  position: relative;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 15px 0 25px;
}

.contact-final h2 span {
  color: var(--accent);
}

.contact-final>p:not(.eyebrow) {
  color: var(--muted);
  margin-bottom: 30px;
}

.contact-final-button {
  position: relative;
  display: inline-flex;
  padding: 13px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}

.contact-final-button:hover {
  background: #fff;
  transform: translateY(-3px);
}


/* =========================================
   SUCCESS POPUP
========================================= */

.contact-popup {
  position: fixed;
  inset: 0;
  z-index: 10000;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 20px;

  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.contact-popup.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.contact-popup-box {
  position: relative;

  width: min(500px, 94vw);

  padding: 45px 35px;

  background: #111111;

  border: 1px solid rgba(255, 255, 255, 0.14);

  border-radius: 26px;

  text-align: center;

  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.75),
    0 0 40px rgba(251, 255, 0, 0.07);

  transform: translateY(20px) scale(0.97);

  transition: transform 0.25s ease;
}

.contact-popup.open .contact-popup-box {
  transform: translateY(0) scale(1);
}

.contact-popup-icon {
  width: 70px;
  height: 70px;

  display: flex;
  align-items: center;
  justify-content: center;

  margin: 0 auto 20px;

  border-radius: 50%;

  background: var(--accent);
  color: #000;

  font-size: 2rem;
  font-weight: 800;

  box-shadow: 0 0 35px rgba(251, 255, 0, 0.15);
}

.contact-popup-box h2 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 10px 0 15px;
}

.contact-popup-box p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 25px;
}

.contact-popup-close {
  position: absolute;

  top: 12px;
  right: 14px;

  width: 40px;
  height: 40px;

  border: none;
  border-radius: 50%;

  background: transparent;
  color: white;

  font-size: 28px;
  line-height: 1;

  cursor: pointer;

  transition: background 0.2s ease, color 0.2s ease;
}

.contact-popup-close:hover {
  background: var(--accent);
  color: #000;
}

.contact-popup-button {
  padding: 12px 25px;

  border: none;
  border-radius: 999px;

  background: var(--accent);
  color: #000;

  font-weight: 700;

  cursor: pointer;

  transition: transform 0.2s ease, background 0.2s ease;
}

.contact-popup-button:hover {
  background: #fff;
  transform: translateY(-2px);
}


/* =========================================
   FOOTER
========================================= */

.site-footer {
  padding: 24px 32px;
  background: rgba(255, 255, 255, 0.04);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  width: min(1180px, 90%);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-inner a {
  color: var(--accent);
}


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

@media (max-width: 850px) {

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

  .sheet-card {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
  }

  .pdf-modal {
    padding: 10px;
  }

  .pdf-window {
    height: 95vh;
    border-radius: 14px;
  }

  .pdf-toolbar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .pdf-viewer {
    padding: 15px;
  }

  .contact-page {
    width: 92%;
  }

  .contact-hero {
    min-height: 50vh;
  }

  .contact-section {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 30px 22px;
  }

  .contact-input-row {
    grid-template-columns: 1fr;
  }

  .contact-faq {
    grid-template-columns: 1fr;
    gap: 45px;
    margin-top: 90px;
  }

  .contact-final {
    margin-top: 90px;
    padding: 75px 20px;
  }
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 760px) {

  .navbar {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
  }

  .nav-links {
    justify-content: center;
    gap: 10px;
  }

  main {
    padding: 28px 0 60px;
  }

  .hero {
    padding: 60px 18px;
  }

  .page-content {
    margin: 28px auto;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}


/* =========================================
   ABOUT MOBILE
========================================= */

@media (max-width: 700px) {

  .about-hero {
    min-height: 70vh;
    padding: 80px 20px;
  }

  .about-hero::before {
    font-size: 60px;
    letter-spacing: 25px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding-left: 40px;
    padding-right: 0;
  }

  .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 4px;
    right: auto;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

  .composer-card {
    padding: 40px 25px;
  }

  .composer-symbol {
    display: none;
  }

  .composer-popup {
    width: min(550px, 94vw);
    padding: 40px 25px;
  }

  .composer-popup h2 {
    font-size: 36px;
  }
}


/* =========================================
   CONTACT MOBILE
========================================= */

@media (max-width: 500px) {

  .contact-hero h1 {
    font-size: 3.2rem;
  }

  .contact-hero-notes {
    font-size: 120px;
    right: -10%;
  }

  .contact-form-top {
    align-items: flex-start;
  }

  .contact-form-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .contact-side-card,
  .contact-quick-card {
    padding: 20px;
  }

  .faq-list summary {
    font-size: 0.9rem;
  }

  .contact-popup-box {
    padding: 40px 25px;
  }
}