/* ===================================
   NITY Hair Studio - Custom Styles
   =================================== */

/* --- CSS Variables --- */
:root {
    --color-coral-50: #FFF5F0;
    --color-coral-100: #FFE5D9;
    --color-coral-200: #FFCCB3;
    --color-coral-300: #FFA880;
    --color-coral-400: #FF7F4F;
    --color-coral-500: #F97316;
    --color-coral-600: #EA580C;
    --color-coral-700: #C2410C;
    
    --color-charcoal-900: #1C1917;
    --color-charcoal-800: #292524;
    --color-charcoal-700: #44403C;
    --color-charcoal-600: #57534E;
    --color-charcoal-500: #78716C;
    --color-charcoal-400: #A8A29E;
    --color-charcoal-300: #D6D3D1;
    --color-charcoal-200: #E7E5E4;
    --color-charcoal-100: #F5F5F4;
    --color-charcoal-50: #FAFAF9;
    
    --color-white: #FFFFFF;
    --color-black: #000000;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-charcoal-800);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
    list-style: none;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-coral-500);
    color: var(--color-white);
    padding: 8px 16px;
    z-index: 100;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-charcoal-900);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-coral-500);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-charcoal-600);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-coral-500);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    background: var(--color-coral-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--color-charcoal-800);
    border: 2px solid var(--color-charcoal-300);
}

.btn--outline:hover {
    border-color: var(--color-coral-500);
    color: var(--color-coral-500);
    transform: translateY(-2px);
}

.btn--white {
    background: var(--color-white);
    color: var(--color-coral-600);
    box-shadow: var(--shadow-md);
}

.btn--white:hover {
    background: var(--color-charcoal-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn--outline-white:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn--large {
    padding: 18px 36px;
    font-size: 1.125rem;
}

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

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-charcoal-200);
    transition: all var(--transition-base);
}

.navbar__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-charcoal-900);
}

.navbar__logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-coral-400), var(--color-coral-600));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.navbar__link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-charcoal-600);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-coral-500);
    transition: width var(--transition-base);
}

.navbar__link:hover {
    color: var(--color-coral-500);
}

.navbar__link:hover::after {
    width: 100%;
}

.navbar__cta {
    padding: 10px 24px;
    font-size: 0.9375rem;
}

.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.navbar__toggle-icon {
    width: 24px;
    height: 2px;
    background: var(--color-charcoal-800);
    transition: all var(--transition-base);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(2) {
    opacity: 0;
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon: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: linear-gradient(135deg, 
        var(--color-coral-100) 0%, 
        var(--color-coral-200) 25%,
        var(--color-coral-300) 50%,
        var(--color-coral-400) 75%,
        var(--color-coral-500) 100%
    );
}

.hero__bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 120px 24px 80px;
}

.hero__badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-coral-600);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--color-charcoal-900);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero__title-accent {
    font-style: italic;
    color: var(--color-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(44, 44, 44, 0.85);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(44, 44, 44, 0.6);
    font-size: 0.875rem;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

/* --- Sections --- */
.section {
    padding: 100px 0;
}

/* --- Services --- */
.services {
    background: var(--color-charcoal-50);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-charcoal-200);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-coral-200);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-coral-100), var(--color-coral-200));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-coral-600);
    margin-bottom: 24px;
}

.service-card__title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.service-card__description {
    color: var(--color-charcoal-600);
    line-height: 1.7;
}

/* --- About --- */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about__image-wrapper {
    position: relative;
}

.about__image {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about__image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--color-coral-300);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.about__content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about__text {
    color: var(--color-charcoal-600);
    line-height: 1.8;
    font-size: 1.0625rem;
}

.about__highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 8px;
}

.highlight {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.highlight svg {
    color: var(--color-coral-500);
    flex-shrink: 0;
    margin-top: 2px;
}

.highlight span {
    font-size: 0.9375rem;
    color: var(--color-charcoal-700);
    font-weight: 500;
}

/* --- Gallery --- */
.gallery {
    background: var(--color-white);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    cursor: pointer;
}

.gallery__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(28, 25, 23, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery__overlay span {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.gallery__item:hover .gallery__img {
    transform: scale(1.08);
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--color-charcoal-900), var(--color-charcoal-700));
    padding: 100px 0;
}

.cta-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 64px;
}

.cta-card__content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cta-card__content .section-tag {
    color: var(--color-coral-300);
}

.cta-card__title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-white);
}

.cta-card__text {
    color: var(--color-charcoal-300);
    font-size: 1.125rem;
    line-height: 1.7;
    max-width: 500px;
}

.cta-card__actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* --- Contact --- */
.contact {
    background: var(--color-charcoal-50);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact__text {
    color: var(--color-charcoal-600);
    line-height: 1.8;
    font-size: 1.0625rem;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 8px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-detail__icon {
    width: 56px;
    height: 56px;
    background: var(--color-white);
    border: 1px solid var(--color-charcoal-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-coral-500);
    flex-shrink: 0;
}

.contact-detail__label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-charcoal-400);
    margin-bottom: 4px;
}

.contact-detail__value {
    font-size: 1.0625rem;
    color: var(--color-charcoal-800);
    font-weight: 500;
}

.contact-detail__value a {
    transition: color var(--transition-fast);
}

.contact-detail__value a:hover {
    color: var(--color-coral-500);
}

/* --- Contact Form --- */
.contact__form-wrapper {
    background: var(--color-white);
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-charcoal-200);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-charcoal-700);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--color-charcoal-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-charcoal-800);
    background: var(--color-white);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-coral-400);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}

.form-input::placeholder {
    color: var(--color-charcoal-400);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--color-coral-100), var(--color-coral-50));
    border: 1px solid var(--color-coral-200);
    border-radius: var(--radius-sm);
    color: var(--color-coral-700);
    font-weight: 500;
}

.form-success svg {
    color: var(--color-coral-500);
    flex-shrink: 0;
}

/* --- Footer --- */
.footer {
    background: var(--color-charcoal-900);
    color: var(--color-charcoal-300);
    padding: 80px 0 40px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer__logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-coral-400), var(--color-coral-600));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
}

.footer__tagline {
    color: var(--color-charcoal-400);
    line-height: 1.7;
    max-width: 280px;
}

.footer__heading {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__list li a {
    color: var(--color-charcoal-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer__list li a:hover {
    color: var(--color-coral-400);
}

.footer__bottom {
    border-top: 1px solid var(--color-charcoal-700);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer__bottom p {
    font-size: 0.875rem;
    color: var(--color-charcoal-500);
}

/* --- Mobile Menu --- */
@media (max-width: 1023px) {
    .navbar__toggle {
        display: flex;
    }

    .navbar__nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-charcoal-200);
        padding: 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .navbar__nav.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar__menu {
        flex-direction: column;
        gap: 20px;
    }

    .navbar__cta {
        width: 100%;
        text-align: center;
    }
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .about__grid,
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about__image {
        height: 500px;
    }

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

    .cta-card {
        grid-template-columns: 1fr;
        padding: 48px 32px;
        text-align: center;
    }

    .cta-card__text {
        margin: 0 auto;
    }

    .cta-card__actions {
        justify-content: center;
    }

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

@media (max-width: 640px) {
    .section {
        padding: 80px 0;
    }

    .hero__content {
        padding: 100px 20px 80px;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
    }

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

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

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

    .contact__form-wrapper {
        padding: 32px 24px;
    }

    .cta-card {
        padding: 40px 24px;
    }

    .cta-card__actions {
        flex-direction: column;
    }

    .cta-card__actions .btn {
        width: 100%;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

/* --- Animations --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

/* Ensure content is visible without JS */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}