/* ===================================
   STRAVISOR - Professional Website Styles
   Color Palette: Slate Blue, Blue, Black, White
   =================================== */

/* --- CSS Custom Properties --- */
:root {
    /* Primary Colors */
    --color-slate-blue: #6B7FA3;
    --color-slate-blue-light: #8B9FBF;
    --color-slate-blue-dark: #4A5F7A;

    /* Blue Spectrum */
    --color-blue-deep: #1E3A5F;
    --color-blue-primary: #2C5282;
    --color-blue-light: #4A7AB8;
    --color-blue-accent: #3D6BA8;

    /* Neutrals */
    --color-black: #0D1117;
    --color-black-soft: #1A1F26;
    --color-gray-dark: #2D333B;
    --color-gray: #6E7681;
    --color-gray-light: #A8B1BD;
    --color-white: #FFFFFF;
    --color-off-white: #F8FAFC;
    --color-cream: #F1F5F9;

    /* Functional Colors */
    --color-text-primary: var(--color-black);
    --color-text-secondary: var(--color-gray);
    --color-text-light: var(--color-white);
    --color-background: var(--color-white);
    --color-background-alt: var(--color-off-white);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(13, 17, 23, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(13, 17, 23, 0.1), 0 2px 4px -1px rgba(13, 17, 23, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(13, 17, 23, 0.1), 0 4px 6px -2px rgba(13, 17, 23, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(13, 17, 23, 0.1), 0 10px 10px -5px rgba(13, 17, 23, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Header Height */
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* --- Container --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-black);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__header--light {
    color: var(--color-white);
}

.section__header--light .section__title,
.section__header--light .section__subtitle {
    color: var(--color-white);
}

.section__subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-slate-blue);
    margin-bottom: var(--spacing-sm);
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section__description {
    font-size: 1.125rem;
    color: var(--color-gray-light);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

.btn--outline:hover {
    background-color: var(--color-white);
    color: var(--color-blue-deep);
}

.btn--white {
    background-color: var(--color-white);
    color: var(--color-blue-deep);
    border-color: var(--color-white);
}

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

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

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background-color: transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background-color: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

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

.nav__logo {
    display: flex;
    align-items: baseline;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.nav__logo sup {
    font-size: 0.625rem;
    margin-left: 2px;
}

.logo-text {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav__link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: var(--spacing-sm) 0;
}

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

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

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

.nav__toggle,
.nav__close {
    display: none;
    color: var(--color-white);
    padding: var(--spacing-sm);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-blue-deep) 50%, var(--color-slate-blue-dark) 100%);
    z-index: -1;
}

.hero__background::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(107, 127, 163, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(44, 82, 130, 0.2) 0%, transparent 50%);
}

.hero__background::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__container {
    padding-top: var(--header-height);
    width: 100%;
}

.hero__content {
    max-width: 800px;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: var(--spacing-xl);
}

.hero__title .highlight {
    color: var(--color-slate-blue-light);
}

.hero__description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* --- Definition Section --- */
.definition {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-off-white);
}

.definition__card {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--color-slate-blue);
}

.definition__header {
    display: flex;
    align-items: baseline;
    margin-bottom: var(--spacing-sm);
}

.definition__word {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-blue-deep);
}

.definition__trademark {
    font-size: 0.875rem;
    color: var(--color-slate-blue);
    margin-left: 4px;
    vertical-align: super;
}

.definition__pronunciation {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.pronunciation__phonetic {
    font-size: 1.125rem;
    color: var(--color-gray);
    font-style: italic;
}

.pronunciation__audio {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--color-cream);
    color: var(--color-slate-blue);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pronunciation__audio:hover {
    background-color: var(--color-slate-blue);
    color: var(--color-white);
}

.definition__type {
    font-size: 0.9375rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.definition__content {
    margin-bottom: var(--spacing-xl);
}

.definition__text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-black-soft);
    margin-bottom: var(--spacing-md);
}

.definition__text:last-child {
    margin-bottom: 0;
}

.definition__etymology {
    font-size: 0.9375rem;
    color: var(--color-gray);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-cream);
}

.definition__etymology strong {
    color: var(--color-slate-blue-dark);
}

/* --- About Section --- */
.about {
    padding: var(--spacing-4xl) 0;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about__text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-cream);
}

.stat {
    text-align: center;
}

.stat__number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-blue-primary);
    display: inline;
}

.stat__suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-slate-blue);
}

.stat__label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-top: var(--spacing-xs);
}

.about__image {
    position: relative;
}

.about__image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-slate-blue-dark) 0%, var(--color-blue-deep) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    gap: var(--spacing-md);
}

.about__image-placeholder span {
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.9;
}

/* --- Services Section --- */
.services {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-blue-deep) 0%, var(--color-black) 100%);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-slate-blue);
    transform: translateY(-4px);
}

.service-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--color-slate-blue);
    border-radius: var(--radius-md);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.service-card__description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

/* --- Approach Section --- */
.approach {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-off-white);
}

.approach__timeline {
    max-width: 800px;
    margin: 0 auto;
}

.approach__step {
    display: flex;
    gap: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-2xl);
}

.approach__step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 35px;
    top: 70px;
    width: 2px;
    height: calc(100% - 70px);
    background: linear-gradient(to bottom, var(--color-slate-blue), var(--color-cream));
}

.approach__step:last-child {
    padding-bottom: 0;
}

.approach__number {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-blue-primary) 0%, var(--color-slate-blue) 100%);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
}

.approach__content {
    flex: 1;
    padding-top: var(--spacing-md);
}

.approach__title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.approach__description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-dark);
}

/* --- CTA Section --- */
.cta {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-slate-blue) 0%, var(--color-slate-blue-dark) 100%);
}

.cta__content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta__description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
}

/* --- Contact Section --- */
.contact {
    padding: var(--spacing-4xl) 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact__intro {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-2xl);
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.contact__method-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    color: var(--color-slate-blue);
    flex-shrink: 0;
}

.contact__method-content {
    display: flex;
    flex-direction: column;
}

.contact__method-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.contact__method-value {
    font-size: 1rem;
    color: var(--color-black);
    font-weight: 500;
}

.contact__method-value:hover {
    color: var(--color-blue-primary);
}

/* Contact Form */
.contact__form {
    background-color: var(--color-off-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-black);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-blue-primary);
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

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

.form__select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236E7681' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding-top: var(--spacing-3xl);
}

.footer__top {
    display: flex;
    justify-content: space-between;
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--color-gray-dark);
}

.footer__logo {
    display: flex;
    align-items: baseline;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__logo sup {
    font-size: 0.625rem;
    margin-left: 2px;
}

.footer__tagline {
    font-size: 0.9375rem;
    color: var(--color-gray);
    max-width: 300px;
    line-height: 1.6;
}

.footer__links {
    display: flex;
    gap: var(--spacing-4xl);
}

.footer__column {
    min-width: 150px;
}

.footer__heading {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

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

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

.footer__list a:hover {
    color: var(--color-slate-blue-light);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) 0;
}

.footer__copyright {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.footer__legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer__legal a {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.footer__legal a:hover {
    color: var(--color-slate-blue-light);
}

/* --- Responsive Design --- */

/* Tablet Landscape */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .about__grid {
        gap: var(--spacing-2xl);
    }

    /* Reduce section padding on tablet */
    .definition,
    .about,
    .services,
    .approach,
    .cta,
    .contact {
        padding: var(--spacing-3xl) 0;
    }

    .section__header {
        margin-bottom: var(--spacing-2xl);
    }
}

/* Tablet Portrait */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    /* Reduce section padding further on tablet portrait */
    .definition,
    .about,
    .services,
    .approach,
    .cta,
    .contact {
        padding: var(--spacing-2xl) 0;
    }

    .section__header {
        margin-bottom: var(--spacing-xl);
    }

    /* Mobile Navigation */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--color-black);
        padding: var(--spacing-4xl) var(--spacing-2xl);
        transition: right var(--transition-base);
        z-index: 1001;
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }

    .nav__link {
        font-size: 1.125rem;
        padding: var(--spacing-sm) 0;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__close {
        display: flex;
        position: absolute;
        top: var(--spacing-lg);
        right: var(--spacing-lg);
    }

    /* Hero */
    .hero {
        min-height: calc(100vh - 20px);
        padding: var(--spacing-xl) 0;
    }

    .hero__content {
        padding-top: var(--spacing-2xl);
    }

    .hero__title {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
        margin-bottom: var(--spacing-lg);
    }

    .hero__description {
        font-size: 1rem;
        margin-bottom: var(--spacing-xl);
        line-height: 1.6;
    }

    .hero__buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero__buttons .btn {
        width: 100%;
        padding: 1rem 1.5rem;
    }

    .hero__scroll {
        display: none;
    }

    /* Definition */
    .definition__card {
        padding: var(--spacing-xl);
        border-radius: var(--radius-lg);
    }

    .definition__word {
        font-size: 1.75rem;
    }

    .definition__text {
        font-size: 1rem;
        line-height: 1.7;
    }

    .definition__etymology {
        font-size: 0.875rem;
    }

    /* About */
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about__image {
        order: -1;
    }

    .about__image-placeholder {
        aspect-ratio: 16/9;
    }

    .about__text {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    .about__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
        margin-top: var(--spacing-xl);
        padding-top: var(--spacing-xl);
    }

    .stat__number {
        font-size: 1.75rem;
    }

    .stat__suffix {
        font-size: 1.5rem;
    }

    .stat__label {
        font-size: 0.75rem;
    }

    /* Services */
    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .service-card {
        padding: var(--spacing-xl);
    }

    .service-card__icon {
        width: 50px;
        height: 50px;
        margin-bottom: var(--spacing-md);
    }

    .service-card__icon svg {
        width: 24px;
        height: 24px;
    }

    .service-card__title {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-sm);
    }

    .service-card__description {
        font-size: 0.875rem;
        line-height: 1.6;
    }

    /* Approach */
    .approach__step {
        gap: var(--spacing-lg);
        padding-bottom: var(--spacing-xl);
    }

    .approach__step:not(:last-child)::before {
        left: 27px;
        top: 55px;
        height: calc(100% - 55px);
    }

    .approach__number {
        width: 55px;
        height: 55px;
        font-size: 1rem;
    }

    .approach__content {
        padding-top: var(--spacing-sm);
    }

    .approach__title {
        font-size: 1.125rem;
    }

    .approach__description {
        font-size: 0.9375rem;
    }

    /* CTA */
    .cta__title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }

    .cta__description {
        font-size: 1rem;
        margin-bottom: var(--spacing-xl);
    }

    /* Contact */
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .contact__intro {
        font-size: 1rem;
        margin-bottom: var(--spacing-xl);
    }

    .contact__methods {
        gap: var(--spacing-lg);
    }

    .contact__method {
        gap: var(--spacing-md);
    }

    .contact__method-icon {
        width: 44px;
        height: 44px;
    }

    .contact__form {
        padding: var(--spacing-xl);
    }

    .form__group {
        margin-bottom: var(--spacing-md);
    }

    .form__input,
    .form__select,
    .form__textarea {
        padding: 0.75rem 1rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Footer */
    .footer {
        padding-top: var(--spacing-2xl);
    }

    .footer__top {
        flex-direction: column;
        gap: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }

    .footer__tagline {
        max-width: 100%;
    }

    .footer__links {
        flex-wrap: wrap;
        gap: var(--spacing-xl);
    }

    .footer__column {
        min-width: 140px;
    }

    .footer__heading {
        margin-bottom: var(--spacing-md);
    }

    .footer__list {
        gap: var(--spacing-sm);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        padding: var(--spacing-lg) 0;
    }

    .footer__legal {
        gap: var(--spacing-lg);
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Further reduce section padding on small mobile */
    .definition,
    .about,
    .services,
    .approach,
    .cta,
    .contact {
        padding: var(--spacing-xl) 0;
    }

    .section__header {
        margin-bottom: var(--spacing-lg);
    }

    .section__title {
        font-size: 1.5rem;
    }

    .section__subtitle {
        font-size: 0.75rem;
    }

    /* Hero adjustments */
    .hero__title {
        font-size: 1.5rem;
        line-height: 1.25;
    }

    .hero__description {
        font-size: 0.9375rem;
    }

    /* Definition */
    .definition__card {
        padding: var(--spacing-lg);
    }

    .definition__word {
        font-size: 1.5rem;
    }

    .pronunciation__phonetic {
        font-size: 1rem;
    }

    .pronunciation__audio {
        width: 32px;
        height: 32px;
    }

    .definition__text {
        font-size: 0.9375rem;
    }

    /* Stats - stack on very small screens */
    .about__stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .stat {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--color-cream);
    }

    .stat:last-child {
        border-bottom: none;
    }

    /* Approach - simplified timeline */
    .approach__step {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding-bottom: var(--spacing-lg);
    }

    .approach__step:not(:last-child)::before {
        display: none;
    }

    .approach__number {
        width: 45px;
        height: 45px;
        font-size: 0.875rem;
    }

    .approach__content {
        padding-top: 0;
    }

    .approach__title {
        font-size: 1rem;
    }

    .approach__description {
        font-size: 0.875rem;
    }

    /* Service cards */
    .service-card {
        padding: var(--spacing-lg);
    }

    /* Contact */
    .contact__form {
        padding: var(--spacing-lg);
    }

    /* CTA */
    .cta__content {
        padding: 0 var(--spacing-sm);
    }

    /* Footer */
    .footer__links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .footer__column {
        min-width: auto;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero__title {
        font-size: 1.375rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }

    .definition__card {
        padding: var(--spacing-md);
    }
}

/* --- Utility Classes --- */
.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;
}

/* --- Animation Classes --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}