:root {
  --black: #0e0e10;
  --charcoal: #1a1a1d;
  --red: #ff5757;
  --red-dark: #e23e3e;
  --white: #ffffff;
  --gray-100: #f5f5f7;
  --gray-300: #d4d4d8;
  --gray-500: #8a8a93;
  --radius: 14px;
  --max-width: 1180px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.55;
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--gray-100);
}

.section-dark {
  background: var(--black);
  color: var(--white);
}

.eyebrow {
  display: inline-block;
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 10px;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
}

h3 {
  font-size: 22px;
}

p {
  color: var(--gray-500);
  margin: 0 0 16px;
}

.section-dark p {
  color: var(--gray-300);
}

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.cta-banner .container {
  max-width: 600px;
  text-align: center;
}

.cta-banner h2 {
  margin-bottom: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

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

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

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

.btn-dark {
  background: var(--black);
  color: var(--white);
}

.btn-dark:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-block {
  width: 100%;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 14, 16, 0.92);
  backdrop-filter: blur(8px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img {
  height: 36px;
}

.nav-logo .nav-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--white);
  font-weight: 600;
  font-size: 14.5px;
  opacity: 0.85;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--red);
}

.nav-links a.active {
  opacity: 1;
  color: var(--red);
}

.nav-cta {
  display: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 26px;
  cursor: pointer;
}

@media (min-width: 860px) {
  .nav-cta {
    display: inline-flex;
  }
}

@media (max-width: 859px) {
  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }
}

@media (max-width: 380px) {
  .nav-logo .nav-logo-text {
    font-size: 15px;
  }
}

/* Hero */
.hero {
  background: radial-gradient(circle at 20% 20%, #2a2a2f, var(--black) 60%);
  color: var(--white);
  padding: 110px 0 90px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
}

.hero h1 span {
  color: var(--red);
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 18px;
  color: var(--gray-300);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-badges {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
  color: var(--gray-300);
  font-size: 14px;
  font-weight: 600;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Services grid */
.grid {
  display: grid;
  gap: 24px;
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

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

@media (max-width: 980px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--white);
  border: 1px solid #ececef;
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #fff0f0;
  color: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.card p {
  margin-bottom: 0;
  font-size: 15px;
}

/* Why us */
.why-list {
  display: grid;
  gap: 22px;
}

.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-item .num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-item h4 {
  margin-bottom: 4px;
  font-size: 17px;
}

.why-item p {
  margin: 0;
  font-size: 14.5px;
}

.why-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 860px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* Gallery */
.filters {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 2px solid #e4e4e7;
  background: var(--white);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  color: var(--black);
  transition: all 0.15s ease;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media (max-width: 860px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--gray-100);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item .tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(14, 14, 16, 0.78);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  text-transform: capitalize;
}

.gallery-note {
  text-align: center;
  margin-top: 28px;
  font-size: 14px;
  color: var(--gray-500);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.86);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 12px;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  color: var(--white);
  font-size: 32px;
  cursor: pointer;
  background: none;
  border: none;
}

/* Testimonials */
.testimonial {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid #ececef;
}

.stars {
  color: #ffb400;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-author strong {
  display: block;
  font-size: 14.5px;
}

.testimonial-author span {
  font-size: 13px;
  color: var(--gray-500);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid #e4e4e7;
  padding: 18px 0;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
}

.faq-q .plus {
  font-size: 22px;
  color: var(--red);
  transition: transform 0.2s ease;
}

.faq-item.open .plus {
  transform: rotate(45deg);
}

.faq-a {
  display: none;
  margin-top: 10px;
  font-size: 14.5px;
}

.faq-item.open .faq-a {
  display: block;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}

.contact-info-item .ic {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 87, 87, 0.12);
  color: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.social-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-row a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.social-row a:hover {
  background: var(--red);
  border-color: var(--red);
}

form.contact-form {
  background: var(--white);
  color: var(--black);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 560px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid #e4e4e7;
  font-size: 14.5px;
  font-family: inherit;
  background: var(--white);
  color: var(--black);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--red);
}

.field textarea {
  resize: vertical;
  min-height: 110px;
}

.field-hint {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--gray-500);
}

.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.form-status {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  display: none;
}

.form-status.show {
  display: block;
}

.form-status.success {
  color: #0a8a4a;
}

.form-status.error {
  color: var(--red-dark);
}

/* Footer */
.footer {
  background: var(--black);
  color: var(--gray-300);
  padding: 50px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (max-width: 700px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer h4 {
  color: var(--white);
  font-size: 15px;
  margin-bottom: 14px;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer li {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer li a:hover {
  color: var(--red);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  font-size: 13px;
  text-align: center;
  color: var(--gray-500);
}

/* Sticky CTA on mobile */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--black);
  padding: 12px 20px;
  display: none;
  z-index: 60;
  box-shadow: 0 -8px 20px rgba(0, 0, 0, 0.2);
}

@media (max-width: 700px) {
  .sticky-cta {
    display: flex;
  }
}