* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Be Vietnam Pro", sans-serif;
  color: #17191d;
  background: #fff;
  overflow-x: hidden;
}

.fw-800 {
  font-weight: 800;
}

.navbar {
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1000;
}

.navbar-brand {
  font-size: 1.35rem;
  letter-spacing: -0.5px;
  color: #17191d;
}

.navbar-brand > span:last-child {
  color: #087f8c;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 11px;
  margin-right: 7px;
  background: #087f8c;
  color: #fff;
  font-size: 16px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: #555 !important;
  padding: 9px 14px !important;
}

.nav-link:hover,
.nav-link.active {
  color: #087f8c !important;
}

.btn-primary {
  background: #087f8c;
  border-color: #087f8c;
  box-shadow: 0 12px 25px rgba(8, 127, 140, 0.2);
}

.btn-primary:hover {
  background: #056b76;
  border-color: #056b76;
  transform: translateY(-1px);
}

.hero-section {
  padding: 160px 0 105px;
  background:
    radial-gradient(circle at 80% 25%, #e5f6f4 0, transparent 27%),
    linear-gradient(180deg, #fafaff 0, #fff 100%);
  position: relative;
}

.hero-section:after {
  content: "";
  position: absolute;
  right: -150px;
  bottom: -180px;
  width: 500px;
  height: 500px;
  border: 1px solid #e5f6f4;
  border-radius: 50%;
  pointer-events: none;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #087f8c;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1.7px;
  margin-bottom: 16px;
}

.eyebrow span {
  width: 28px;
  height: 2px;
  background: #087f8c;
}

.hero-section h1 {
  font-size: clamp(3rem, 6vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: -4px;
  font-weight: 800;
  margin: 0 0 24px;
}

.hero-section h1 em {
  font-style: normal;
  color: #087f8c;
}

.hero-copy {
  max-width: 560px;
  color: #666d78;
  font-size: 1.05rem;
  line-height: 1.8;
}

.mini-stats {
  display: flex;
  gap: 42px;
}

.mini-stats div {
  display: flex;
  flex-direction: column;
}

.mini-stats strong {
  font-size: 1.55rem;
}

.mini-stats small {
  color: #888;
  font-size: 0.72rem;
  margin-top: 3px;
}

.hero-visual {
  min-height: 520px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-card {
  position: relative;
  width: min(430px, 90%);
  height: 340px;
  border-radius: 30px;
  background: linear-gradient(145deg, #1b1d27, #30334a);
  box-shadow: 0 35px 80px rgba(30, 27, 60, 0.22);
  padding: 28px;
  color: #fff;
  z-index: 3;
  transform: rotate(-3deg);
}

.card-top,
.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-top {
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: #aaa;
}

.card-bottom {
  font-size: 0.78rem;
  color: #aaa;
}

.card-bottom strong {
  font-size: 1.1rem;
  color: #73d4cb;
}

.chart {
  height: 225px;
  position: relative;
  margin: 10px 0 5px;
  display: flex;
  align-items: end;
  gap: 15px;
  padding: 15px;
  border-bottom: 1px solid #4b4d5b;
}

.bar {
  width: 13%;
  border-radius: 9px 9px 0 0;
  background: linear-gradient(180deg, #73d4cb, #087f8c);
  opacity: 0.9;
}

.b1 {
  height: 32%;
}

.b2 {
  height: 47%;
}

.b3 {
  height: 42%;
}

.b4 {
  height: 72%;
}

.b5 {
  height: 93%;
}

.chart-line {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 92px;
  height: 80px;
  border-top: 2px solid #fff;
  transform: skewY(-12deg);
  opacity: 0.85;
}

.floating-card {
  position: absolute;
  z-index: 5;
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  padding: 14px 17px;
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(20, 20, 50, 0.12);
  font-size: 0.8rem;
}

.floating-card i {
  width: 39px;
  height: 39px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #e5f6f4;
  color: #087f8c;
  font-size: 18px;
}

.floating-card div {
  display: flex;
  flex-direction: column;
}

.floating-card small {
  color: #888;
  margin-top: 3px;
}

.people {
  left: 0;
  top: 105px;
}

.mission {
  right: 0;
  bottom: 105px;
}

.ring {
  position: absolute;
  width: 370px;
  height: 370px;
  border: 1px solid #c8e7e4;
  border-radius: 50%;
  z-index: 1;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
  z-index: 0;
}

.orb-1 {
  width: 85px;
  height: 85px;
  right: 6%;
  top: 6%;
  background: #9eddd8;
}

.orb-2 {
  width: 48px;
  height: 48px;
  left: 6%;
  bottom: 9%;
  background: #ffd88c;
}

.section-pad {
  padding: 110px 0;
}

.section-title {
  font-size: clamp(2.3rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -2px;
  font-weight: 800;
}

.section-title span {
  color: #087f8c;
}

.section-desc {
  color: #707680;
  line-height: 1.8;
}

.info-card {
  height: 100%;
  padding: 34px;
  border: 1px solid #eeeef3;
  border-radius: 25px;
  transition: 0.3s;
  background: #fff;
}

.info-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 22px 55px rgba(30, 25, 60, 0.08);
}

.info-card.featured {
  background: #087f8c;
  color: #fff;
  border-color: #087f8c;
}

.info-card.featured p {
  color: #e5e1ff;
}

.icon-box {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: #f0eeff;
  color: #087f8c;
  display: grid;
  place-items: center;
  font-size: 23px;
  margin-bottom: 50px;
}

.featured .icon-box {
  background: rgba(255, 255, 255, 0.17);
  color: #fff;
}

.info-card h3 {
  font-size: 1.35rem;
}

.info-card p {
  color: #737985;
  line-height: 1.75;
  margin-bottom: 0;
}

/* =================================
   SURVEY - KHẢO SÁT BIM
   ================================= */

.survey-section {
  background: #ffffff;
}

.survey-intro {
  max-width: 680px;
  margin-top: 15px;
}

.survey-card {
  height: 100%;
  background: #ffffff;
  border: 1px solid #e5eeee;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 15px 45px rgba(20, 70, 75, 0.06);
  transition: all 0.35s ease;
}

.survey-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 25px 60px rgba(8, 127, 140, 0.13);
}

/* HÌNH SURVEY */

.survey-image {
  width: 100%;
  height: 430px;
  background: #f1f5f5;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.survey-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.5s ease;
}

.survey-card:hover .survey-image img {
  transform: scale(1.02);
}

/* NỘI DUNG */

.survey-content {
  padding: 28px 30px 32px;
}

.survey-number {
  color: #087f8c;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.survey-content h3 {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 10px 0 12px;
}

.survey-content h3 span {
  color: #087f8c;
}

.survey-content p {
  color: #737985;
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

/* MOBILE */

@media (max-width: 767px) {
  .survey-image {
    height: 360px;
  }

  .survey-content {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .survey-image {
    height: 300px;
  }
}

/* ==============================
   SỨ MỆNH & TẦM NHÌN
   ============================== */

.vm-section {
  background: #fafaff;
  overflow: hidden;
}

.vm-heading {
  max-width: 720px;
  margin: 0 auto 55px;
}

.vm-heading .section-desc {
  max-width: 620px;
}

/* Card chung */
.vm-card {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 480px;

  background: #ffffff;
  border: 1px solid #ededf3;
  border-radius: 32px;

  overflow: hidden;
  margin-bottom: 28px;

  box-shadow: 0 18px 55px rgba(25, 22, 60, 0.055);

  transition: all 0.35s ease;
}

.vm-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 65px rgba(25, 22, 60, 0.1);
}

/* ==============================
   HÌNH ẢNH
   ============================== */

.vm-image {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: #eeeeee;
}

.vm-image img {
  width: 100%;
  height: 100%;

  display: block;

  object-fit: cover;

  transition: transform 0.6s ease;
}

.vm-card:hover .vm-image img {
  transform: scale(1.05);
}

/* Nhãn trên ảnh */
.image-label {
  position: absolute;

  left: 24px;
  bottom: 24px;

  padding: 11px 17px;

  border-radius: 50px;

  background: rgba(20, 20, 25, 0.78);

  backdrop-filter: blur(10px);

  color: white;

  font-size: 12px;
  font-weight: 800;

  letter-spacing: 1.3px;
}

.image-label i {
  margin-right: 7px;
}

/* ==============================
   NỘI DUNG
   ============================== */

.vm-content {
  padding: 65px 58px;

  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Số 01 / 02 */
.vm-number {
  color: #087f8c;

  font-size: 12px;
  font-weight: 800;

  letter-spacing: 2px;

  margin-bottom: 20px;
}

/* Tiêu đề */
.vm-content h3 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);

  line-height: 1.05;

  letter-spacing: -2px;

  font-weight: 800;

  margin-bottom: 22px;
}

.vm-content h3 span {
  color: #087f8c;
}

/* Đoạn mô tả */
.vm-content > p {
  color: #737985;

  line-height: 1.85;

  max-width: 500px;

  margin-bottom: 25px;
}

/* Danh sách */
.vm-content ul {
  list-style: none;

  padding: 0;
  margin: 0;

  display: grid;

  gap: 12px;
}

.vm-content li {
  font-size: 14px;

  font-weight: 600;

  color: #3d4047;
}

.vm-content li i {
  color: #087f8c;

  font-size: 17px;

  margin-right: 9px;
}

/* ==============================
   TẦM NHÌN
   Đảo vị trí ảnh
   ============================== */

.vision-card {
  grid-template-columns: 0.95fr 1.05fr;
}

.vision-card .vm-content {
  order: 1;
}

.vision-card .vm-image {
  order: 2;
}

/* ==============================
   HIỆU ỨNG NHẸ
   ============================== */

.vm-image::after {
  content: "";

  position: absolute;

  inset: 0;

  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.18));

  pointer-events: none;
}

/* ==============================
   RESPONSIVE TABLET
   ============================== */

@media (max-width: 991px) {
  .vm-card {
    grid-template-columns: 1fr 1fr;
  }

  .vm-content {
    padding: 45px 35px;
  }

  .vm-content h3 {
    font-size: 2.5rem;
  }
}

/* =================================
   ĐỐI TÁC BIM VIỆT NAM
   ================================= */

.partners-section {
  background: #f6fafa;
}

.partners-intro {
  max-width: 680px;
  margin-top: 15px;
}

/* CARD ĐỐI TÁC */

.partner-card {
  height: 180px;
  padding: 25px;
  background: #fff;
  border: 1px solid #e5eeee;
  border-radius: 22px;

  display: flex;
  align-items: center;
  justify-content: center;

  transition: all 0.3s ease;
}

.partner-card:hover {
  transform: translateY(-6px);
  border-color: #087f8c;
  box-shadow: 0 18px 45px rgba(8, 127, 140, 0.12);
}

/* LOGO */

.partner-card img {
  max-width: 85%;
  max-height: 105px;
  width: auto;
  height: auto;
  object-fit: contain;

  filter: grayscale(20%);
  opacity: 0.9;

  transition: all 0.3s ease;
}

.partner-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

/* MOBILE */

@media (max-width: 767px) {
  .partner-card {
    height: 150px;
    padding: 18px;
  }

  .partner-card img {
    max-width: 90%;
    max-height: 80px;
  }
}

@media (max-width: 480px) {
  .partner-card {
    height: 130px;
    border-radius: 18px;
  }

  .partner-card img {
    max-height: 65px;
  }
}

/* ==============================
   RESPONSIVE MOBILE
   ============================== */

@media (max-width: 767px) {
  .vm-card,
  .vision-card {
    display: flex;

    flex-direction: column;
  }

  .vm-image {
    order: 0 !important;

    min-height: 300px;

    height: 300px;
  }

  .vm-content {
    order: 1 !important;

    padding: 42px 28px;
  }

  .vm-content h3 {
    font-size: 2.2rem;

    letter-spacing: -1px;
  }
}

/* ==============================
   MOBILE NHỎ
   ============================== */

@media (max-width: 480px) {
  .vm-image {
    min-height: 240px;

    height: 240px;
  }

  .vm-content {
    padding: 32px 22px;
  }

  .vm-content h3 {
    font-size: 1.9rem;
  }

  .vm-content > p {
    font-size: 14px;
  }

  .image-label {
    left: 15px;
    bottom: 15px;

    font-size: 10px;

    padding: 9px 13px;
  }
}

.services-section {
  background: #f6f6f9;
}

.service-list {
  background: #fff;
  border-radius: 28px;
  padding: 8px 28px;
  box-shadow: 0 20px 60px rgba(20, 20, 50, 0.05);
}

.service-item {
  display: grid;
  grid-template-columns: 45px 1fr 35px;
  align-items: center;
  gap: 16px;
  padding: 27px 0;
  border-bottom: 1px solid #ececf1;
}

.service-item:last-child {
  border-bottom: 0;
}

.service-item > span {
  font-size: 0.8rem;
  color: #a2a4ad;
  font-weight: 700;
}

.service-item h4 {
  font-size: 1.05rem;
  margin: 0 0 7px;
}

.service-item p {
  font-size: 0.8rem;
  color: #81858e;
  margin: 0;
}

.service-item > i {
  font-size: 18px;
  color: #087f8c;
}

.team-card {
  text-align: center;
  padding: 35px 25px;
  border: 1px solid #eeeef3;
  border-radius: 25px;
  transition: 0.3s;
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 45px rgba(30, 25, 60, 0.07);
}

.avatar {
  width: 115px;
  height: 115px;
  border-radius: 35px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 2.4rem;
  font-weight: 800;
}

.avatar-1 {
  background: linear-gradient(145deg, #6958ff, #9b90ff);
}

.avatar-2 {
  background: linear-gradient(145deg, #ffb84d, #ff7b7b);
}

.avatar-3 {
  background: linear-gradient(145deg, #23b8a5, #7bdacb);
}

.team-card h4 {
  margin-bottom: 5px;
}

.team-card p {
  color: #888;
  font-size: 0.85rem;
}

.socials {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.socials i {
  width: 33px;
  height: 33px;
  border: 1px solid #eee;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #777;
}

.cta-section {
  padding: 30px 0 110px;
}

.cta-box {
  padding: 65px 70px;
  border-radius: 32px;
  background: #17191d;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  position: relative;
  overflow: hidden;
}

.cta-box:after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border: 1px solid #3c3e47;
  border-radius: 50%;
  right: -60px;
  top: -140px;
}

.cta-box .eyebrow {
  color: #aaa;
}

.cta-box .eyebrow:before {
  content: "";
  width: 25px;
  height: 2px;
  background: #087f8c;
}

.cta-box h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -2px;
  line-height: 1.05;
  margin: 0;
}

.cta-box .btn {
  position: relative;
  z-index: 2;
}

.cta-box .btn:hover {
  background: #eee;
}

footer {
  background: #f6f6f9;
}

.footer-copy {
  max-width: 400px;
  color: #777;
  line-height: 1.8;
  font-size: 0.9rem;
}

footer h6 {
  font-weight: 800;
  margin-bottom: 18px;
}

footer a:not(.navbar-brand) {
  display: block;
  text-decoration: none;
  color: #777;
  font-size: 0.84rem;
  margin-bottom: 12px;
}

footer a:hover {
  color: #087f8c;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social span {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: #fff;
  display: grid;
  place-items: center;
  color: #087f8c;
}

footer hr {
  border-color: #ddd;
  margin: 38px 0 22px;
}

@media (max-width: 991px) {
  .navbar {
    padding: 12px 0;
  }

  .hero-section {
    padding-top: 125px;
  }

  .hero-section h1 {
    letter-spacing: -2px;
  }

  .hero-visual {
    min-height: 470px;
  }

  .people {
    left: 2%;
  }

  .mission {
    right: 2%;
  }

  .cta-box {
    padding: 45px 35px;
  }
}

@media (max-width: 575px) {
  .hero-section {
    padding-bottom: 65px;
  }

  .mini-stats {
    gap: 20px;
  }

  .mini-stats strong {
    font-size: 1.25rem;
  }

  .hero-visual {
    min-height: 390px;
  }

  .visual-card {
    height: 270px;
    padding: 20px;
  }

  .chart {
    height: 165px;
  }

  .floating-card {
    padding: 10px;
  }

  .floating-card small {
    font-size: 0.65rem;
  }

  .people {
    top: 55px;
  }

  .mission {
    bottom: 45px;
  }

  .ring {
    width: 290px;
    height: 290px;
  }

  .section-pad {
    padding: 75px 0;
  }

  .cta-section {
    padding-bottom: 75px;
  }

  .cta-box {
    display: block;
    padding: 40px 28px;
  }

  .cta-box .btn {
    margin-top: 28px;
  }
}

/* BIM VIỆT NAM - bổ sung */
.rules-section {
  background: #f6fafa;
}
.rule-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 18px;
  padding: 27px 0;
  border-bottom: 1px solid #e4eeee;
}
.rule-item:last-child {
  border-bottom: 0;
}
.rule-number {
  font-size: 0.8rem;
  font-weight: 800;
  color: #087f8c;
}
.rule-item h4 {
  font-size: 1.05rem;
  margin: 0 0 8px;
}
.rule-item p {
  font-size: 0.86rem;
  color: #737985;
  line-height: 1.75;
  margin: 0;
}
.profile-section {
  padding: 30px 0 110px;
}
.profile-box {
  position: relative;
  overflow: hidden;
  padding: 65px 70px;
  border-radius: 32px;
  background: linear-gradient(135deg, #087f8c, #075f69);
  color: #fff;
}
.profile-box:after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  right: -80px;
  top: -170px;
}
.profile-box .eyebrow {
  color: #d5fffb;
}
.profile-box .eyebrow span {
  background: #fff;
}
.profile-box h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -2px;
  margin: 0 0 18px;
  font-weight: 800;
}
.profile-box h2 span {
  color: #b9fff8;
}
.profile-box p {
  max-width: 650px;
  color: #dcf7f5;
  line-height: 1.8;
  margin: 0;
}
.profile-box .btn {
  position: relative;
  z-index: 2;
}
.bim-building .building-top {
  color: #087f8c;
}
@media (max-width: 767px) {
  .profile-box {
    padding: 40px 28px;
  }
  .rule-item {
    grid-template-columns: 45px 1fr;
  }
}

/* =================================
   THÀNH VIÊN NÒNG CỐT
   ================================= */

.members-section {
  background: #fafcfc;
}

.members-intro {
  max-width: 650px;
  margin-top: 15px;
}

.core-member-card {
  background: #ffffff;
  border: 1px solid #e5eeee;
  border-radius: 28px;
  overflow: hidden;
  height: 100%;
  transition: all 0.35s ease;
  box-shadow: 0 15px 45px rgba(20, 70, 75, 0.06);
}

.core-member-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 60px rgba(8, 127, 140, 0.14);
}

/* Ảnh thành viên */

.member-image {
  width: 100%;
  height: 360px;
  overflow: hidden;
  background: #eef5f5;
}

.member-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.core-member-card:hover .member-image img {
  transform: scale(1.04);
}

/* Thông tin */

.member-info {
  padding: 28px 30px 30px;
}

.member-role {
  display: inline-block;
  color: #087f8c;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.member-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.member-info p {
  color: #737985;
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

/* Mạng xã hội */

.member-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.member-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid #e1eeee;
  display: grid;
  place-items: center;
  color: #087f8c;
  text-decoration: none;
  transition: 0.25s;
}

.member-social a:hover {
  background: #087f8c;
  color: #ffffff;
  border-color: #087f8c;
}

/* Mobile */

@media (max-width: 767px) {
  .member-image {
    height: 330px;
  }

  .member-info {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .member-image {
    height: 300px;
  }
}

/* =================================
   LOGO BIM VIỆT NAM
   ================================= */

.bim-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.bim-logo img {
  width: 125px;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Mobile */

@media (max-width: 575px) {
  .bim-logo img {
    width: 100px;
  }
}