/* ============================================================
   DILYS CONSULTING — GLOBAL STYLESHEET
   Colour system: #3D0667 (purple) | #FFFFFF (white) | #000000 (black) | #D9D9D9 (divider)
   No red. No orange. No tints. Four values only.
   ============================================================ */

/* ─── CUSTOM PROPERTIES ───────────────────────────────────── */
:root {
  --purple:    #3D0667;
  --purple-deep: #4a0880;
  --white:     #FFFFFF;
  --black:     #000000;
  --divider:   #D9D9D9;
  --text-body: #1a1a1a;

  /* Typography scale — fluid */
  --fs-hero:   clamp(52px, 6.5vw, 96px);
  --fs-h1:     clamp(40px, 5vw, 80px);
  --fs-h2:     clamp(30px, 3.5vw, 52px);
  --fs-h3:     clamp(22px, 2.5vw, 36px);
  --fs-h4:     clamp(18px, 1.8vw, 24px);
  --fs-body:   clamp(16px, 1.1vw, 18px);
  --fs-small:  clamp(13px, 0.9vw, 15px);
  --fs-over:   clamp(11px, 0.8vw, 13px);

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 140px);
  --inner-max:   1200px;
  --gutter:      clamp(24px, 5vw, 80px);

  /* Motion */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --dur:       0.6s;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--fs-body);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select {
  font: inherit;
  border: none;
  background: none;
  outline: none;
}

/* ─── INNER WRAPPER ───────────────────────────────────────── */
.inner {
  width: 100%;
  max-width: var(--inner-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ─── OVERLINE ────────────────────────────────────────────── */
.overline {
  display: block;
  font-size: var(--fs-over);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.overline--light  { color: rgba(255,255,255,0.55); }
.overline--dark   { color: var(--purple); }
.overline--white  { color: rgba(255,255,255,0.55); }

/* ─── SCROLL REVEAL ───────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  }
  [data-reveal][data-delay="1"] { transition-delay: 0.1s; }
  [data-reveal][data-delay="2"] { transition-delay: 0.2s; }
  [data-reveal][data-delay="3"] { transition-delay: 0.3s; }
  [data-reveal][data-delay="4"] { transition-delay: 0.4s; }
  [data-reveal][data-delay="5"] { transition-delay: 0.5s; }
  [data-reveal].in-view {
    opacity: 1;
    transform: none;
  }
}

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s;
  border: 2px solid transparent;
  border-radius: 0;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* On dark/purple bg: transparent fill, white border, white text at rest. Hover: white fill, purple text */
.btn-light {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-light:hover {
  background: var(--white);
  color: var(--purple);
  border-color: var(--white);
}

/* On light/white bg: transparent fill, purple border, purple text at rest. Hover: purple fill, white text */
.btn-dark {
  background: transparent;
  color: var(--purple);
  border-color: var(--purple);
}
.btn-dark:hover {
  background: var(--purple);
  color: var(--white);
  border-color: var(--purple);
}

/* ─── NAVIGATION ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.35s var(--ease-out), padding 0.35s var(--ease-out), box-shadow 0.35s;
}
.nav.scrolled {
  background: var(--purple);
  padding-top: 14px;
  padding-bottom: 14px;
  box-shadow: 0 2px 24px rgba(0,0,0,0.18);
}
.nav__logo img {
  height: 180px;
  width: auto;
}
.nav.scrolled .nav__logo img {
  height: 120px;
  width: auto;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav__links a {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.85;
  transition: opacity 0.2s;
}
.nav__links a:hover { opacity: 1; }
.nav__lang {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__lang button {
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.5;
  cursor: pointer;
  padding: 2px 6px;
  transition: opacity 0.2s;
}
.nav__lang button.active,
.nav__lang button:hover { opacity: 1; }
.nav__lang span { color: rgba(255,255,255,0.3); font-size: 11px; }

/* ─── HERO ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: radial-gradient(ellipse at 60% 40%, var(--purple-deep) 0%, var(--purple) 65%);
  display: flex;
  align-items: center;
  padding-top: 240px;
  padding-bottom: var(--section-pad);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 80%, rgba(255,255,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 880px;
}
.hero__logo {
  margin-bottom: 56px;
}
.hero__logo img {
  height: clamp(52px, 5vw, 72px);
  width: auto;
}
.hero__overline {
  color: rgba(255,255,255,0.55);
  margin-bottom: 24px;
}
.hero__headline {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 32px;
}
.hero__body {
  font-size: clamp(17px, 1.4vw, 21px);
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 48px;
}
.hero__cta { }

/* ─── SECTION: PROBLEM ────────────────────────────────────── */
.problem {
  background: var(--white);
  padding: var(--section-pad) 0;
}
.problem__header {
  margin-bottom: 72px;
}
.problem__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--black);
  max-width: 640px;
}
.problem__statements {
  border-top: 1px solid var(--divider);
}
.problem__statement {
  padding: 36px 0;
  border-bottom: 1px solid var(--divider);
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 24px;
  align-items: start;
}
.problem__num {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--purple);
  letter-spacing: 0.06em;
  padding-top: 6px;
}
.problem__text {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--black);
  letter-spacing: -0.01em;
}
.problem__closing {
  margin-top: 64px;
  max-width: 680px;
  font-size: clamp(17px, 1.4vw, 20px);
  color: #444;
  line-height: 1.65;
}

/* ─── SECTION: SERVICES ───────────────────────────────────── */
.services {
  background: var(--purple);
  padding: var(--section-pad) 0;
}
.services__header {
  margin-bottom: 72px;
}
.services__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 640px;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.services__area {
  padding: 48px 40px 48px 0;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.services__area:not(:last-child) {
  border-right: 1px solid rgba(255,255,255,0.15);
  margin-right: 40px;
}
.services__area-title {
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  line-height: 1.25;
}
.services__area-body {
  font-size: var(--fs-body);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

/* ─── SECTION: APPROACH ───────────────────────────────────── */
.approach {
  background: var(--white);
  padding: var(--section-pad) 0;
}
.approach__header {
  margin-bottom: 72px;
}
.approach__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--black);
  max-width: 640px;
  margin-bottom: 48px;
}
.approach__pullquote {
  font-size: clamp(26px, 3vw, 44px);
  font-weight: 800;
  color: var(--purple);
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 800px;
  padding: 48px 0;
  border-top: 3px solid var(--purple);
  border-bottom: 3px solid var(--purple);
  margin-bottom: 80px;
}
.approach__shapes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--divider);
}
.approach__shape {
  padding: 48px 40px 48px 0;
  border-bottom: 1px solid var(--divider);
}
.approach__shape:not(:last-child) {
  border-right: 1px solid var(--divider);
  margin-right: 40px;
}
.approach__shape-title {
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--black);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.approach__shape-body {
  font-size: var(--fs-body);
  color: #444;
  line-height: 1.7;
}
.approach__closing {
  margin-top: 56px;
  font-size: clamp(17px, 1.4vw, 20px);
  color: #444;
  max-width: 640px;
  line-height: 1.65;
}

/* ─── SECTION: CLIENTS ────────────────────────────────────── */
.clients {
  background: var(--purple);
  padding: var(--section-pad) 0;
}
.clients__header {
  margin-bottom: 72px;
}
.clients__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 780px;
}
.clients__list {
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 72px;
}
.clients__type {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  font-size: clamp(20px, 2vw, 30px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 20px;
}
.clients__type::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
  flex-shrink: 0;
}
.clients__statement {
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 800;
  color: rgba(255,255,255,0.5);
  letter-spacing: -0.01em;
  margin-bottom: 56px;
}
.clients__cta { }

/* ─── SECTION: CONTACT ────────────────────────────────────── */
.contact {
  background: var(--white);
  padding: var(--section-pad) 0;
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}
.contact__info { }
.contact__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 28px;
  line-height: 1.15;
}
.contact__body {
  font-size: var(--fs-body);
  color: #444;
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 440px;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact__detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact__detail-label {
  font-size: var(--fs-over);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple);
}
.contact__detail-value {
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--black);
}
.contact__detail-value a {
  transition: opacity 0.2s;
}
.contact__detail-value a:hover { opacity: 0.65; }

/* Form */
.form { }
.form__group {
  margin-bottom: 24px;
}
.form__label {
  display: block;
  font-size: var(--fs-over);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 8px;
}
.form__input,
.form__textarea {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-bottom: 1.5px solid var(--divider);
  background: transparent;
  font-size: var(--fs-body);
  color: var(--black);
  transition: border-color 0.2s;
  border-radius: 0;
  -webkit-appearance: none;
}
.form__input:focus,
.form__textarea:focus {
  border-bottom-color: var(--purple);
}
.form__input::placeholder,
.form__textarea::placeholder {
  color: #bbb;
}
.form__textarea {
  resize: vertical;
  min-height: 120px;
}
.form__submit {
  margin-top: 8px;
}
.form__success {
  display: none;
  padding: 20px 24px;
  background: rgba(61,6,103,0.06);
  border-left: 3px solid var(--purple);
  font-size: var(--fs-body);
  color: var(--purple);
  font-weight: 600;
  margin-top: 20px;
}
.form__error {
  display: none;
  padding: 16px 24px;
  background: rgba(0,0,0,0.04);
  border-left: 3px solid var(--black);
  font-size: var(--fs-small);
  color: var(--text-body);
  margin-top: 16px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ─── SECTION: ABOUT HERO ─────────────────────────────────── */
.page-hero {
  background: radial-gradient(ellipse at 60% 40%, var(--purple-deep) 0%, var(--purple) 65%);
  padding: clamp(240px, 18vw, 280px) 0 var(--section-pad);
}
.page-hero__overline {
  color: rgba(255,255,255,0.55);
  margin-bottom: 24px;
}
.page-hero__headline {
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 800px;
}

/* ─── SECTION: WHO WE ARE ─────────────────────────────────── */
.who {
  background: var(--white);
  padding: var(--section-pad) 0;
}
.who__header {
  margin-bottom: 64px;
}
.who__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--black);
  max-width: 700px;
  margin-bottom: 48px;
}
.who__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.who__body p {
  font-size: var(--fs-body);
  color: #444;
  line-height: 1.75;
}
.who__body p:first-child {
  grid-column: 1 / -1;
  font-size: clamp(18px, 1.5vw, 22px);
  color: var(--black);
  font-weight: 500;
}

/* ─── SECTION: APPROACH PHASES ────────────────────────────── */
.phases {
  background: var(--purple);
  padding: var(--section-pad) 0;
}
.phases__header {
  margin-bottom: 72px;
}
.phases__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 640px;
  margin-bottom: 20px;
}
.phases__intro {
  font-size: var(--fs-body);
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  line-height: 1.7;
}
.phases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.phases__phase {
  padding: 48px 56px 48px 0;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  align-items: start;
}
.phases__phase:nth-child(odd) {
  border-right: 1px solid rgba(255,255,255,0.15);
}
.phases__phase-number {
  font-size: var(--fs-small);
  font-weight: 800;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.08em;
  padding-top: 4px;
}
.phases__phase-title {
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.phases__phase-body {
  font-size: var(--fs-body);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* ─── SECTION: CONTACT PROMPT ─────────────────────────────── */
.contact-prompt {
  background: var(--white);
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--divider);
}
.contact-prompt__headline {
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 20px;
  max-width: 600px;
}
.contact-prompt__body {
  font-size: var(--fs-body);
  color: #444;
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 40px;
}

/* ─── FOOTER ──────────────────────────────────────────────── */
.footer {
  background: var(--purple);
  padding: clamp(38px, 4.8vw, 60px) 0 clamp(24px, 3vw, 36px);
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 20px;
  align-items: start;
}
.footer__logo img {
  width: 180px;
  min-width: 180px;
  height: auto;
  filter: brightness(0) invert(1);
}
.footer__tagline {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
  margin-top: 12px;
}
.footer__col-title {
  font-size: var(--fs-over);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
}
.footer__contact p,
.footer__contact a {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
  display: block;
}
.footer__contact a:hover { color: var(--white); }
.footer__group a {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.75);
}
.footer__group a:hover { color: var(--white); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer__copy {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.35);
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .services__grid,
  .approach__shapes {
    grid-template-columns: 1fr;
  }
  .services__area:not(:last-child),
  .approach__shape:not(:last-child) {
    border-right: none;
    margin-right: 0;
    padding-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
  }
  .approach__shape:not(:last-child) {
    border-bottom-color: var(--divider);
  }
  .phases__grid {
    grid-template-columns: 1fr;
  }
  .phases__phase:nth-child(odd) {
    border-right: none;
  }
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 960px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .who__body {
    grid-template-columns: 1fr;
  }
  .who__body p:first-child {
    grid-column: auto;
  }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__logo img {
    height: 100px;
  }
  .nav.scrolled .nav__logo img {
    height: 72px;
  }
  .hero__headline {
    letter-spacing: -0.015em;
  }
  .problem__statement {
    grid-template-columns: 32px 1fr;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  :root {
    --gutter: 20px;
    --section-pad: 64px;
  }
  .btn {
    padding: 14px 28px;
    font-size: 12px;
  }
  .nav__logo img {
    height: 72px;
  }
  .nav.scrolled .nav__logo img {
    height: 56px;
  }
}

/* ─── UTILITY ─────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}