/* ============================================
   Custom Properties
   ============================================ */
:root {
  --color-bg: #faf8f5;
  --color-bg-alt: #f2ede8;
  --color-text: #2c2926;
  --color-text-light: #6b6560;
  --color-accent: #a0674b;
  --color-accent-hover: #8a5640;
  --color-accent-light: rgba(160, 103, 75, 0.08);
  --color-white: #ffffff;
  --color-border: #e2dcd6;

  --font-family: 'DM Sans', system-ui, -apple-system, sans-serif;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.5rem;
  --fs-xl: 2rem;
  --fs-2xl: 2.75rem;
  --fs-3xl: 3.5rem;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 50%;

  --shadow-sm: 0 1px 3px rgba(44, 41, 38, 0.06);
  --shadow-md: 0 4px 16px rgba(44, 41, 38, 0.08);
  --shadow-lg: 0 8px 32px rgba(44, 41, 38, 0.1);

  --header-height: 4rem;
  --max-width: 72rem;

  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

/* ============================================
   Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--spacing-md);
}

.section {
  padding-block: var(--spacing-2xl);
}

.section__title {
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: var(--fs-base);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

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

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--full {
  width: 100%;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(250, 248, 245, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.header--scrolled {
  border-bottom-color: var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.nav__menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-light);
  position: relative;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

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

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--header-height);
  background: url('assets/hero-bg.jpg') center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.hero__title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

/* ============================================
   About
   ============================================ */
.about {
  background-color: var(--color-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  max-width: 56rem;
  margin-inline: auto;
}

.about__image-wrapper {
  display: flex;
  justify-content: center;
}

.about__image {
  width: 220px;
  height: 220px;
  border-radius: var(--radius-full);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.about__text .section__title {
  text-align: left;
}

.about__name {
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.about__intro {
  font-size: var(--fs-base);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.about__intro strong {
  color: var(--color-text);
  font-weight: 500;
}

.about__personal {
  font-size: var(--fs-base);
  font-style: italic;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  line-height: 1.8;
}

/* ============================================
   Services
   ============================================ */
.services {
  background-color: var(--color-bg);
}

.services__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  max-width: 56rem;
  margin-inline: auto;
}

.services__card {
  flex: 0 1 16rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition);
}

.services__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.services__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.services__title {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================
   Contact
   ============================================ */
.contact {
  background-color: var(--color-white);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 56rem;
  margin-inline: auto;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form__input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input::placeholder {
  color: var(--color-text-light);
  opacity: 0.6;
}

.form__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form__textarea {
  resize: vertical;
  min-height: 8rem;
}

.form__status {
  font-size: var(--fs-sm);
  min-height: 1.5rem;
}

.form__status--success {
  color: #4a7c59;
}

.form__status--error {
  color: #b44a4a;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  color: var(--color-accent);
}

.contact__info-label {
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.contact__info-value {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}

a.contact__info-value:hover {
  color: var(--color-accent);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding-block: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.footer__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-sm);
  color: var(--color-text-light);
}

.footer__top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: all var(--transition);
}

.footer__top:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============================================
   Responsive — Tablet (768px+)
   ============================================ */
@media (min-width: 48rem) {
  .hero {
    background-attachment: fixed;
  }

  .section__title {
    font-size: var(--fs-2xl);
  }

  .about__grid {
    grid-template-columns: auto 1fr;
  }

  .contact__grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

/* ============================================
   Responsive — Mobile (<768px)
   ============================================ */
@media (max-width: 47.99rem) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(75vw, 20rem);
    height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition);
  }

  .nav__menu.open {
    right: 0;
  }

  .nav__menu.open ~ .nav__overlay {
    opacity: 1;
    pointer-events: all;
  }

  .nav__link {
    font-size: var(--fs-lg);
  }

  .hero {
    background-position: 60% center;
  }

  .hero__title {
    font-size: var(--fs-2xl);
  }

  .services__card {
    flex-direction: row;
    flex: 1 1 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
    align-items: center;
    text-align: left;
  }

  .services__icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    margin-bottom: 0;
  }

  .services__icon svg {
    width: 20px;
    height: 20px;
  }
}

/* Menu overlay for mobile */
.nav__overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 999;
}

/* Hamburger animation */
.nav__toggle.active .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active .nav__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}