/* ============================================
   StillWater Agency — Dark Premium Style
   Ultra-dark | Subtle whites | Rounded | Glass
   ============================================ */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black: #000000;
  --black-light: #0a0a0a;
  --white: #ffffff;
  --white-02: rgba(255, 255, 255, 0.02);
  --white-03: rgba(255, 255, 255, 0.03);
  --white-05: rgba(255, 255, 255, 0.05);
  --white-08: rgba(255, 255, 255, 0.08);
  --white-10: rgba(255, 255, 255, 0.1);
  --white-15: rgba(255, 255, 255, 0.15);
  --white-20: rgba(255, 255, 255, 0.2);
  --white-30: rgba(255, 255, 255, 0.3);
  --white-40: rgba(255, 255, 255, 0.4);
  --white-60: rgba(255, 255, 255, 0.6);
  --white-80: rgba(255, 255, 255, 0.8);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
}

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

body {
  font-family: var(--font);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.15rem; }

p {
  font-size: 1rem;
  color: var(--white-40);
  line-height: 1.7;
  max-width: 65ch;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

.section {
  position: relative;
  padding: 6rem 0;
}

/* Section Label (pill badge) */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background: var(--white-03);
  border: 1px solid var(--white-08);
  font-size: 0.8rem;
  color: var(--white-60);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--white-80);
}

.section-heading {
  margin-bottom: 1rem;
}

.section-description {
  margin-bottom: 3rem;
  max-width: 40rem;
}

.section-header-center {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header-center .section-description {
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background-color: var(--white-80);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white-20);
}

.btn--outline:hover {
  background-color: var(--white-10);
  transform: translateY(-2px);
}

.btn--ghost {
  background-color: var(--white-05);
  color: var(--white);
  border: 1px solid var(--white-20);
}

.btn--ghost:hover {
  background-color: var(--white-10);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
}

.btn--arrow::after {
  content: '\2192';
  margin-left: 0.25rem;
  transition: transform var(--transition);
}

.btn--arrow:hover::after {
  transform: translateX(4px);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--white-08);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.nav__logo span {
  font-weight: 300;
  color: var(--white-60);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.85rem;
  color: var(--white-60);
  transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
}

.nav__cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  background-color: var(--white);
  color: var(--black);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.nav__cta:hover {
  background-color: var(--white-80);
}

/* Mobile Menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.nav__hamburger span {
  width: 22px;
  height: 1.5px;
  background-color: var(--white);
  transition: var(--transition);
}

.nav__hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.02) 0%, transparent 70%),
              radial-gradient(ellipse at 70% 50%, rgba(255,255,255,0.015) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero__canvas-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__title-main {
  display: block;
  background: linear-gradient(to bottom, var(--white), var(--white-80));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero__title-sub {
  display: block;
  color: var(--white-40);
  font-weight: 300;
  font-size: clamp(1.5rem, 4vw, 3rem);
  letter-spacing: -0.01em;
  margin-top: 0.25rem;
}

.hero__description {
  font-size: 1.1rem;
  color: var(--white-40);
  margin-bottom: 2.5rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Cards (glass style) */
.card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--white-02);
  border: 1px solid var(--white-08);
  transition: var(--transition);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--white-05), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
  pointer-events: none;
}

.card:hover {
  border-color: var(--white-15);
  transform: translateY(-4px);
}

.card:hover::before {
  opacity: 1;
}

.card__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  position: relative;
}

.card__text {
  font-size: 0.9rem;
  color: var(--white-40);
  line-height: 1.6;
  position: relative;
}

/* Grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Stats */
.stat {
  text-align: center;
  padding: 2rem 1rem;
}

.stat__number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__label {
  font-size: 0.85rem;
  color: var(--white-40);
}

/* Page Header */
.page-header {
  padding: 9rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center top, rgba(255,255,255,0.03) 0%, transparent 70%);
  pointer-events: none;
}

.page-header .section-label {
  margin-left: auto;
  margin-right: auto;
}

.page-header p {
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

/* Testimonial */
.testimonial {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--white-02);
  border: 1px solid var(--white-08);
}

.testimonial__stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.testimonial__star {
  width: 16px;
  height: 16px;
  color: var(--white);
}

.testimonial__quote {
  font-size: 1rem;
  font-style: italic;
  color: var(--white-60);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.testimonial__author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--white);
}

.testimonial__role {
  font-size: 0.8rem;
  color: var(--white-40);
}

/* Form */
.form__group {
  margin-bottom: 1.25rem;
}

.form__label {
  display: block;
  font-size: 0.8rem;
  color: var(--white-60);
  margin-bottom: 0.5rem;
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--white-10);
  background-color: var(--white-05);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  outline: none;
}

.form__textarea {
  border-radius: var(--radius-lg);
  min-height: 150px;
  resize: vertical;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--white-30);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: var(--white-30);
  background-color: var(--white-08);
}

.form__select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__select option {
  background: #111;
  color: var(--white);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  background: var(--white-03);
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  border: 1px solid var(--white-08);
  cursor: pointer;
  transition: var(--transition);
}

.portfolio-item:hover {
  border-color: var(--white-15);
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__category {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--white-40);
  margin-bottom: 0.5rem;
}

.portfolio-item__title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
}

/* Blog Card */
.blog-card {
  border-radius: var(--radius-lg);
  background: var(--white-02);
  border: 1px solid var(--white-08);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--white-15);
  transform: translateY(-4px);
}

.blog-card__image {
  aspect-ratio: 16/9;
  background: var(--white-03);
}

.blog-card__body {
  padding: 1.75rem;
}

.blog-card__meta {
  font-size: 0.75rem;
  color: var(--white-40);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.blog-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.blog-card__excerpt {
  font-size: 0.85rem;
  color: var(--white-40);
  line-height: 1.6;
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white-60);
}

.blog-card__link:hover {
  color: var(--white);
  gap: 0.75rem;
}

/* Marquee */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  padding: 2.5rem 0;
  border-top: 1px solid var(--white-08);
  border-bottom: 1px solid var(--white-08);
}

.marquee__inner {
  display: inline-flex;
  animation: marquee 35s linear infinite;
}

.marquee__item {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  padding: 0 1.5rem;
  color: var(--white-10);
}

.marquee__item span {
  color: var(--white-40);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Team */
.team-member {
  text-align: center;
}

.team-member__photo {
  width: 100%;
  aspect-ratio: 1;
  background: var(--white-03);
  border-radius: var(--radius-lg);
  border: 1px solid var(--white-08);
  margin-bottom: 1.25rem;
}

.team-member__name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.team-member__role {
  font-size: 0.85rem;
  color: var(--white-40);
}

/* Value item */
.value-item {
  padding: 2rem 0;
  border-top: 1px solid var(--white-08);
}

.value-item h4 {
  margin-bottom: 0.75rem;
}

.value-item p {
  font-size: 0.9rem;
}

/* Service list */
.service-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.service-list li {
  font-size: 0.9rem;
  color: var(--white-40);
  padding-left: 1.5rem;
  position: relative;
}

.service-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--white-60);
  font-weight: 700;
}

/* Process step */
.process-step {
  padding: 2rem 0;
  border-top: 1px solid var(--white-08);
}

.process-step__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white-08);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.process-step h4 {
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.9rem;
}

/* Image placeholder */
.img-placeholder {
  background: var(--white-03);
  border-radius: var(--radius-lg);
  border: 1px solid var(--white-08);
  aspect-ratio: 4/3;
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--white-08);
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: 6rem 0;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.02), transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  margin: 0 auto 2.5rem;
  text-align: center;
}

/* Footer */
.footer {
  border-top: 1px solid var(--white-08);
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand p {
  color: var(--white-40);
  font-size: 0.85rem;
  margin-top: 1rem;
  max-width: 28ch;
}

.footer__heading {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white-40);
  margin-bottom: 1.25rem;
}

.footer__links li {
  margin-bottom: 0.65rem;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--white-40);
  transition: var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid var(--white-08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--white-40);
}

.footer__socials {
  display: flex;
  gap: 1.5rem;
}

.footer__socials a {
  color: var(--white-40);
  font-size: 0.8rem;
  transition: var(--transition);
}

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

/* Filter buttons */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* FAQ accordion */
.faq-item {
  border-radius: var(--radius-lg);
  background: var(--white-02);
  border: 1px solid var(--white-08);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.faq-item__question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.faq-item__question:hover {
  background: var(--white-02);
}

.faq-item__arrow {
  transition: transform var(--transition);
  color: var(--white-60);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.faq-item.open .faq-item__arrow {
  transform: rotate(180deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-item__answer {
  max-height: 200px;
}

.faq-item__answer p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9rem;
}

/* Two-col layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.two-col--reversed .two-col__media {
  order: -1;
}

/* Contact info */
.contact-info-item {
  margin-bottom: 2.5rem;
}

.contact-info-item a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  border-bottom: 1px solid var(--white-20);
  padding-bottom: 2px;
}

.contact-info-item a:hover {
  border-color: var(--white);
}

/* Newsletter form */
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 420px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-form .form__input {
  max-width: 280px;
  flex: 1;
}

/* Scroll animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }

  .nav__links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--black);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 999;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__link {
    font-size: 1.25rem;
  }

  .nav__cta {
    padding: 0.75rem 2rem;
    font-size: 1rem;
  }

  .nav__hamburger {
    display: flex;
    z-index: 1001;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .two-col--reversed .two-col__media {
    order: 0;
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
  }

  .page-header {
    padding: 7rem 0 3rem;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
}