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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #ffffff;
  color: #0a0a0a;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --black:    #0a0a0a;
  --white:    #ffffff;
  --accent:   #0EE7E5;
  --gray-50:  #f8f8f8;
  --gray-100: #f0f0f0;
  --gray-300: #cccccc;
  --gray-500: #888888;
  --gray-700: #444444;

  --font-display: 'Syne', sans-serif;
  --font-body:    'Inter', sans-serif;

  --max-w:       1200px;
  --pad-x:       clamp(1.5rem, 5vw, 2.5rem);
  --section-y:   clamp(5rem, 10vw, 9rem);
  --radius:      4px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.3s var(--ease-out);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.d-only { display: none; }
@media (min-width: 768px) { .d-only { display: inline; } }

/* Section labels */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gray-500);
  display: block;
  margin-bottom: 1rem;
}

.eyebrow--light {
  color: rgba(255,255,255,0.5);
}

/* Section titles */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.9rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--black);
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 1rem;
  color: var(--gray-500);
  margin-top: 0.75rem;
  font-weight: 400;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2.2rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  border-radius: 2px;
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}

.btn--ghost:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.06);
}

.btn--accent {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
  font-weight: 700;
}

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

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

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

/* ============================================================
   AOS (custom — lightweight scroll reveal)
   ============================================================ */
[data-aos] {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-aos="fade-up"]    { transform: translateY(36px); }
[data-aos="fade-left"]  { transform: translateX(36px); }
[data-aos="fade-right"] { transform: translateX(-36px); }

[data-aos].aos-animate {
  opacity: 1;
  transform: translate(0);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.35rem var(--pad-x) 1.35rem 1.5rem;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--white);
  transition: color var(--transition);
}

.nav.scrolled .nav__logo {
  color: var(--black);
}

.nav__logo-white,
.nav__logo-black {
  height: 72px;
  width: auto;
  display: block;
}

.nav__logo-black {
  display: none;
}

.nav.scrolled .nav__logo-white {
  display: none;
}

.nav.scrolled .nav__logo-black {
  display: block;
}

.nav__links {
  display: none;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .nav__links {
    display: flex;
  }
}

.nav__links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after { width: 100%; }

.nav.scrolled .nav__links a { color: var(--gray-700); }
.nav.scrolled .nav__links a:hover { color: var(--black); }

.nav__cta {
  border: 1.5px solid rgba(255,255,255,0.3);
  padding: 0.5rem 1.2rem;
  border-radius: 2px;
  color: var(--white) !important;
  transition: border-color var(--transition), background var(--transition) !important;
}

.nav__cta::after { display: none !important; }

.nav__cta:hover {
  border-color: var(--white) !important;
  background: rgba(255,255,255,0.08) !important;
}

.nav.scrolled .nav__cta {
  color: var(--black) !important;
  border-color: var(--black) !important;
}

.nav.scrolled .nav__cta:hover {
  background: var(--black) !important;
  color: var(--white) !important;
}

/* Hamburger */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

@media (min-width: 900px) {
  .nav__toggle { display: none; }
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}

.nav.scrolled .nav__toggle span { background: var(--black); }

.nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-100);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile ul {
  padding: 1.5rem var(--pad-x) 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.nav__mobile a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  transition: color var(--transition);
}

.nav__mobile a:hover { color: var(--gray-500); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  will-change: transform;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,0,0,0.88) 0%,
    rgba(0,0,0,0.72) 38%,
    rgba(0,0,0,0.28) 65%,
    rgba(0,0,0,0.05) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  padding-top: 8rem;
}

.hero__eyebrow {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1.5rem;
  display: block;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--white);
  max-width: 14ch;
  margin-bottom: 1.75rem;
}

.hero__headline-accent {
  font-style: normal;
  color: var(--accent);
}

.hero__sub {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  font-weight: 300;
  color: rgba(255,255,255,0.68);
  line-height: 1.75;
  max-width: 46ch;
  margin-bottom: 2.75rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  right: var(--pad-x);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  transition: opacity var(--transition);
}

.hero__scroll:hover { opacity: 0.8; }

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--white));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.15); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--white);
  margin-top: clamp(2rem, 5vw, 4rem);
}

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

.about__image-side {
  overflow: hidden;
}

.about__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.about__content-side {
  background: var(--white);
  display: flex;
  align-items: center;
  padding: clamp(3rem, 6vw, 7rem) clamp(2rem, 5vw, 5rem);
}

.about__content {
  max-width: 560px;
}

.about__text {
  font-size: 0.975rem;
  line-height: 1.85;
  color: var(--gray-700);
  margin-bottom: 1.1rem;
}

.about__text:last-of-type { margin-bottom: 2rem; }

.about__pillars {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pillar__line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--black);
}

.pillar__text {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--black);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding-block: var(--section-y);
  background: var(--gray-50);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5px;
  border: 1.5px solid var(--gray-100);
  border-radius: 6px;
  overflow: hidden;
}

@media (min-width: 600px) {
  .services__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1000px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.svc-card {
  background: var(--white);
  padding: 2.4rem 2rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.svc-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  transition: background var(--transition);
}

.svc-card:hover {
  background: var(--gray-50);
}

.svc-card:hover::before {
  background: var(--black);
}

.svc-card--highlight::before {
  background: var(--accent);
}

.svc-card--highlight:hover::before {
  background: var(--accent);
}

.svc-card__icon {
  width: 36px;
  height: 36px;
  color: var(--black);
  margin-bottom: 1.4rem;
}

.svc-card__icon svg {
  width: 100%;
  height: 100%;
}

.svc-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--black);
  margin-bottom: 0.65rem;
}

.svc-card__text {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--gray-500);
}

/* ============================================================
   METHOD
   ============================================================ */
.method {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 70vh;
}

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

.method__image-side {
  overflow: hidden;
  display: flex;
  align-items: stretch;
}

.method__image-side img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: unset;
}

.method__content-side {
  background: var(--white);
  display: flex;
  align-items: center;
  padding: clamp(3rem, 6vw, 7rem) clamp(2rem, 5vw, 5rem);
}

.method__content {
  max-width: 500px;
}

.method__intro {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin: 1.2rem 0 2.8rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.step {
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
}

.step__num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 2.4rem;
  padding-top: 2px;
}

.step__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.step__text {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--gray-500);
}

/* ============================================================
   RESULTS
   ============================================================ */
.results {
  padding-block: var(--section-y);
  background: var(--white);
}

.results__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

@media (min-width: 700px) {
  .results__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.result-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.result-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s var(--ease-out);
}

.result-card:hover img {
  transform: scale(1.04);
}

.result-card__tag {
  position: absolute;
  bottom: 0.9rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--black);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 0.35rem 0.9rem;
  white-space: nowrap;
  border-radius: 1px;
}

/* ============================================================
   TESTIMONIAL
   ============================================================ */
.testimonial {
  padding-block: var(--section-y);
  background: var(--black);
}

.testimonial__inner {
  display: flex;
  justify-content: center;
}

.testimonial__img {
  width: 100%;
  max-width: 720px;
  border-radius: 4px;
  display: block;
}

/* ============================================================
   DIFFERENTIALS
   ============================================================ */
.diff {
  padding-block: var(--section-y);
  background: var(--gray-50);
}

.diff__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

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

.diff__content { max-width: 540px; }

.diff__list {
  margin-top: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.diff__list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.6;
}

.diff__dash {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--black);
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 1rem;
}

.diff__image-wrap {
  position: relative;
}

.diff__img {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  border-radius: var(--radius);
  margin-inline: auto;
  filter: grayscale(15%);
  transition: filter 0.5s var(--ease-out);
}

.diff__image-wrap:hover .diff__img {
  filter: grayscale(0);
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cta-final__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-final__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: grayscale(30%);
}

.cta-final__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0,0,0,0.93) 0%,
    rgba(0,0,0,0.80) 50%,
    rgba(0,0,0,0.65) 100%
  );
}

.cta-final__content {
  position: relative;
  z-index: 1;
  padding-block: clamp(5rem, 10vw, 8rem);
  text-align: center;
}

.cta-final__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0.8rem 0 1.6rem;
}

.cta-final__sub {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,0.6);
  max-width: 52ch;
  margin-inline: auto;
  line-height: 1.8;
  margin-bottom: 2.8rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--black);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.footer__body {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: flex-start;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

@media (min-width: 700px) {
  .footer__body {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer__name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--white);
}

.footer__role {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
  text-transform: uppercase;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
}

.footer__nav a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: rgba(255,255,255,0.9);
}

.footer__instagram {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer__instagram:hover {
  color: var(--white);
}

.footer__instagram svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 2rem;
}

@media (min-width: 700px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__cref,
.footer__copy {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.05em;
}

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 599px) {
  .hero__headline {
    font-size: clamp(2.4rem, 10vw, 3.2rem);
  }

  .hero__actions {
    flex-direction: column;
  }

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

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

  .method__image-side {
    min-height: 320px;
  }
}

@media (max-width: 899px) {
  .method__content-side {
    padding: 3rem var(--pad-x);
  }

  .diff__grid {
    flex-direction: column;
  }

  .footer__body {
    gap: 2rem;
  }
}

/* ============================================================
   SCROLL-LINKED ACCENT LINE (top of page on hero exit)
   ============================================================ */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  z-index: 200;
  width: 0%;
  transition: width 0.1s linear;
}